Science Quiz Chemistry Universe Earth Planets Solar System Space Research Technology Mathematics V-One Books Seena Narayanan M

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CHEMISTRY 1. A base that is soluble in water is known as …………. Alkali 2. Albinism is caused by which enzyme? Tyrosinace 3. What is the percentage of helium in the sun? 12.9% 4. What is the meaning of the Latin word Oleum? ​Oil 5. What are the chemical substances used to produce Aquaregia? ​Concentrated hydrochloric acid and nitric acid 6. In Greek language there is element which means ‘liquid silver’. Which one is that? ​Mercury 7. What is the other name of Potassium nitrate? ​Salt petre 8. How many atoms are there in the molecules of sugar? ​Forty five C12 H22 O11 9. What is the percentage of nitrogen in the sun? ​0.02% 10. What is heavy water? ​A compound of heavy hydrogen and oxygen 11. What is drikold? ​Dry ice (solid carbon dioxide) 12. Which is the substance used in sugar industry to change the colour and

purify sugar? ​charcol 13. Which is the radioactive element seen in Kerala? ​Thorium 14. What is the meaning of detergent? ​Cleansing agent 15. Name two rare gases: Neon, argon 16. Name the liquid in which phosphorus is dissolved: ​Carbon di sulphide 17. From which substance is polythene made? ​Ethyline 18. What is percentage of hydrogen in the sun? ​87% 19. Which one is known as tear-gas? ​Benzenyl chloride 20. What is darvau? ​Artificial fibre like hair 21. The symbol of mercury is Hg. From which word is it taken? ​ rom hydrargyors Its meaning is liquid silver. Hydoer=water, F Argyros=silver 22. Which are the components of marble? ​Calcium, carbon, oxygen 23. What is the percentage of Oxygen in stars? ​0.03% 24. The lead of the pencil which we use to write is made of what substances?

​Graphite, gray 25. What is the specific gravity of copper? ​8.95 26. Which is the rarest metal available on earth? ​Rodium 27. Which is the chemical manure seen in free state in Chilie? ​Sodium nitrate 28. Which substance is known as epsum salt? ​Magneisum sulphate 29. What is the chemical formula of tin? ​Sn 30. Poison gas was used in a war for the first time. When? ​In 1789 in Boer War 31. Which is the gas having the smell of rotten egg? ​Hydrogen sulphide 32. Which is the lightest metal? ​Lithium 33. What is the chemical name soda water? ​Carbonic Acid 34. Which is the salt used to make ink? ​Ferrous sulphate 35. Which is the liquid known as ‘Super liquid’? ​Helium liquid 36. Which is first atomic reactor in Asia? ​Apsara (Tharapur nuclear power station, Mumbai)

37. Which nation stands first in the production of manganese? ​Russia 38. What is the meaning of the word atom? ​Indivisible Atom comes from the Greek word atomos 39. Which is the metal contained in vitamin B12? ​Cobalt 40. Which is the purest form of coal? ​Anthracite. It contains 90% carbon and burns without much smoke 41. In which states seashore is monazite seen in plenty? ​Kerala 42. Which is the origin of energy in the animal body? ​Glucose 43. Which is the first artificial paint? ​Perkin’s Mauveince. This was produced in an attempt to make quinine 44. What is the chemical component of silk? ​Protein molecules 45. What is the use of phenol besides a disinfectant? ​Used to make plastics and paints 46. What is the percentage of carbon in stars? ​0.01% 47. What is the chemical name of fertilizer ‘muriate of potash’? ​Potassium chloride 48. Which is the organic gas used for cutting and welding metals ​Acetylene

49. What is terylene? ​Polyester fibre 50. Excess glucose is stored in the liver. In which form? ​Glycogen 51. Which is first chemical fibre made? ​Nylon 52. What is the chemical name of Marble? ​Calcium carbonate 53. Which is the steel used to make blade? ​High carbon steel 54. What elements did H.Davy discovery? ​Magnesium, barium, calcium 55. What are the components of kerosene oil? ​Carbon, hydrogen 56. What is the philosophers wool? ​Zinc Oxide it is also known as Chinese white. This is used as a pigment 57. What is the percentage of nitrogen in stars? ​0.01% 58. Which is the lightest gas? ​Hydogen 59. What is nitinol? ​An alloy of nickel and titanium 60. What is solder? ​An Alloy of tin

61. What is the chemical name of dynamite? ​Glyceryl trinitrate 62. Who prepared chloroform as anaesthetic? ​James Sympson 63. Which is the world’s only monazite producing country? ​India 64. What is aqua fortis? ​Nitric acid. It means strong water 65. Why does ice float on water? ​Because the density of ice is less than water 66. Which is the main component of natural gas? ​Methane 67. What is the chemical name of ‘Plaster of Paris’? ​Calcium sulphate 68. What is the percentage of carbon monoxide in coal gas? ​6-8% 69. Which is the acid seen in lime fruit? ​Citric acid 70. Which element has the maximum density in normal temperature? ​Osmium 71. What is the old name of ammonium carbonate? ​Sal volatile 72. What is the percentage of hydrogen in stars? ​81.76% 73. What are the main elements of the sun?

​Hydrogen, helium 74. What is the percentage of helium in stars? ​18.17% 75. Which is the artificial fibre caused in arthritis? ​Rohvyl 76. What is the chemical name for rat poison? ​Zinc phosphate 77. What is the chemical formula of gold? ​Au 78. Vitamin C is an acid. What is the name of the acid? ​Ascorbic Acid 79. Which is the only metal in the form of liquid? ​Mercury 80. Which is the liquid having the maximum density? ​Mercury 81. What is the percentage of nitrogen contained in the air around us? ​78% 82. What are the two metals purified by distillation? ​Mercury, Zinc 83. Which illness is treated by radioactive cobalt? ​Cancer 84. How many grams of sodium are there in one kilogram of sea water? ​10.6 85. What happens when white phosphorus is kept opened in air? ​It will fume and burn

86. Who discovered formic acid? ​J. Roy 87. Which is the acid that does not contain oxygen? ​Hydrochloric acid 88. Which is the metal that burns in water? ​Sodium 89. Which is the artificial fibre used in making fish net? ​Nylon 90. What is amalgam? ​Mixiture of mercury with another metal 91. What is the peculiarity of hydrogenated oil? ​The oil loses its original smell 92. Which is the element essential for burning? ​Oxygen 93. Which is the gas that dissolves most in water? ​Ammonia 94. Which is the gas that fumes in air? ​Hydrogen chloride 95. Who established that water is the oxide of hydrogen? ​Cavendish 96. What is the chemical name of mothball? ​Naphthelene 97. Which is the rare metal used in the manufacturing of paints? ​Titanium 98. Which is the most active element found in nature?

​Flourine 99. Where is the white phosphorus kept? ​In Water 100. Which is the salt required for fireworks? ​Potassium nitrate 101. Which is the element in solid state having the lowest density? ​Lithium 102. Which metal is costlier than gold? ​Platinum 103. Which is the man-made first artificial fibre? ​Rayon 104. Which is the acid in tamarind fruit? ​Tartaric Acid 105. What is the common name of diluted acetic acid? ​Vinegar 106. What is quick lime? ​Calcium Oxide 107. What is the chemical formula of rubber? ​C5 H8 108. What is the chemical name of gypsum? ​Calcium Sulphate 109. 90% of the total matter of the Universe is possessed by a particular element. Which is that element? ​Hydrogen 110. Which is the gas contained in the smoke of vehicle?

​Carbon monoxide 111. Name the instrument which is used to measure radioactivity? ​Geiger Muller Counter 112. Which is the leading country in the production of mica? ​India 113. Which metal is seen in plenty on earth’s surface? ​Aluminium 114. What is Pyrolysis? ​ he chemical decomposition of a substance caused by heating it to T a high temperature in the ​Absence of air 115. Name the scientists who made Mercury Thermometer? ​Celsius, Fahrenheit, Romer 116. What is Geochemistry? ​ he study of the substances of the earth, including the seas and the T atmosphere 117. What is Celluloid? ​Name for the first synthetic plastic material developed in 1869. 118. Name the laboratory where the first atom bomb was made? ​Los Almose(America) 119. There is a Compound known in the name of an ancient Egyptian God. Which is that? ​Ammonia the God was Amen, or Aun 120. What are the components of salt petre? ​Potassium, nitrogen, oxygen 121. When was the first hydrogen bomb experimented? Where?

​On 1st November 1952 in Marshall island 122. Name the persons who got nobel prizes for discovering penicillin? ​Alexander Fleming, Flory 123. Which is the Indian institute that conducts research in artificial fibre? Where is it? ​SASMIRA (Silk and Art Silk Mills Research Association) it is Mumbai 124. What is metallurgy? ​Art of working metals especially of extracting metals from their ores 125. What is the importance of the book ‘The Silent Spring’ by Rachel Carson? I​ t attracted world attention to the terrible environmental pollution created by pesticides 126. What is invar? I​ t is an alloy made of iron, nickel and carbon which expands only very slightly by heat. This is ​Often used in the manufactures of scientific instruments and clocks 127. What is RDX? ​Research and Development Explosive (Cyclotrim- ethylin trinitrate) 128. Which is the substance known as ‘super cooled’ liquid? ​Glass 129. A famous chemist lost Nobel Prize by one vote. Still his name became eternal in chemistry. Who was that? ​Mendeleyev, The Russian chemist the 101st element is named after him

130. Name the acid which is used to write and draw in the glass? ​Hydroflouric acid 131. What are the components of brass? ​Copper and zinc 132. What are the elements contained in gun metal? ​Copper, lead, Zinc 133. Who invented the making of soda water? ​Joseph Priestly an 18th century British scientist who also invented oxygen 134. What is the ‘Montriol Protocol’? ​An international agreement to partially reduce the production of CFC (Chloroflouro carbons) ​Which destroys the ozone 135. What is the chemical name of clay? ​Aluminium silicate 136. When the astronauts landed on the moon, they happened to find some materials which are not seen on earth. One of the materials was named ‘Armalcolite’. How was this name carried? ​The name Armocolite was coined from the names of the astronauts who landed on the moon. ​ARM strong Aldrin Collines 137. Which is the chemical used for purifying water? ​Bleaching powder 138. Which is the barometer without any fluid? ​Aneroid barometer 139. Name the element which India used for nuclear explosion? ​Plutonium 140. What are the chemicals used for producing metal fibre? ​Aluminium, plastic 141. Which is the first nuclear reactor indigenously constructed in India? ​Poornima (Kalpakkam) 142. Which is the cloth made metal fibre? ​Orris 143. What is the chemical formula of sulphuric acid? ​H2SO4 144. Why is copper added to gold?

​ o make it hard T 145. Which is the ore used for the large scale production of iron? ​Haematite 146. What are the components of magnalium? ​Magnesium, aluminium 147. What are the main rays released by the radioactive elements? ​Alpha, Beta, Gamma 148. Which is the chemical substance contained in smelling salt? ​Ammonium Carbonate 149. Which is the substance used to make smoke screen in the war front? ​White Phosphorus 150. What is the expansion of DNA? ​Deoxyribo nucleic acid 151. What is the old name for hydrochloric acid? ​Muriatic acid 152. What is the white vitriol? ​Zinc sulphate 153. Which is the most valuable of all gems and the hardest of all substances? ​Diamond 154. Which is the brightest form of carbon? ​Diamond 155. Which is the ore used to extract aluminium? ​Bauxite 156. Which is the acid seen in curd? ​Lactic acid 157. Which is the first element in periodic table? ​Hydragon 158. Which are the elements contained in sugar? ​Carbon, hydragon, oxygen 159. Brass and bronze are alloys. Which is the common element contained in both? ​copper 160. What is amalgamation? ​Compounding or mixing a metal with mercury 161. Who invented uranium a radioactive element? ​German scientist M.H Klaproth in 1789 162. What are Silanes?

​ ilicon hydrides S 163. Which is the gas formed when carbon monoxide and nitrogen are mixed? ​Producer gas 164. Who invented aspirin? ​Herman Dreser 165. Which is known as the whitest element? ​Titanium dioxide

PHYSICS 1. Which is the unit to measure supersonic speed? MAC 2. In electricity how many watts makes one horse power? ​745.70 3. Theoretically, the minimum possible temperature is 0 K. What is its similar centigrade (Celsius)? ​273.160C 4. Who invented the calculating machine? ​Blaisc Pascal 5. 100’C is equal to how much degree Fahrenheit? ​2120 6. How is energy produced in the sun? ​By nuclear fusion 7. What is the atmospheric temperature above absolute zero? ​3000C 8. Which is the instrument to measure the force of electric current? ​Ammeter 9. Which is the unit of heat? ​Calorie 10. Which is the non-metal that conducts electricity? ​Graphite 11. Which alloy is suitable for making permanent magnet?

​ teel S 12. What is the name of an electrode having positive charge? ​Anode 13. Who is the father of electricity? ​Michael Faraday 14. Which is the poisonous gas produced when PVC is burned? ​Dioxin 15. What is the voltage in the domestic electricity supply line? ​230 volts 16. What is the commercial unit of the electric charge? ​Kwh 17. Which is the gas used in ice plant? ​Ammonia 18 . In electric iron which is the substance used to make the coil? ​Nichrome 19. Which is the element without neutron? ​Hydrogen 20. Which scientist proved that there are seven colours in the sunlight? ​Issac Newton 21. Deuterium is the natural isotope of which element? ​Hydrogen 22. Which is the unit force? ​Newton 23. Who is the first philosopher to use sundial? ​Anaxy Mander 24. Which was the fuel used in the first atomic bomb? ​Uranium 235 25. Which are the rays having less wave length than infrared rays? ​Gamma Rays 26. What is the minimum required time for an artificial satellite to orbit the earth? ​90 minutes 27. Cyclotron is a device used in atomic reactors to increase the velocity of irons. Who invented it? ​E.O. Lawrence 28. What is the temperature equal to 2730 Kelvin?

0​ 0 centigrade 29. Who developed quantum theory? ​Max Planck. In 1918 he got Nobel prize for this 30. Sound is not heard in the moon. Why? ​There is no atmosphere in the moon 31. What is the use anemometer? ​It is used for measuring the speed of airflow 32. What are the nuclear reactors in Trombay? ​Apsara, Syrus, Serlina, Purnima,Dhruva 33. What is the full form of ‘Purnima’? ​Plutonium Reactor for Neutronic Investigations in Multiplying Assemblies 34. ‘Newton pit’ is one of the many pits in the moon. What is its importance? ​The deepest pit in the moon. 35. During the invention of radioactivity, two physicists who were engaged in the investigations about it, Died of leukemia owing to the impact of their research. Who were they? ​Marie Curie and her daughter Juliot Curie. Both of there are Nobel prize winners 36. What is absolute zero? ​The state of temperature (-2730C) 37. In the ‘German Silver’ (an alloy) how much silver is present? ​No silver at all. It is an alloy of copper, zinc and nickel 38. Which is the new material designed instead of tungsten which is used as filament in electric bulb? What is the peculiarity? Galium nitrate. It consumers only one fifth of energy compound to tungsten. Besides it is brighter and has hundred times longevity. 39. What are the metals used in transistors? ​Germanium, silicon, celinium 40. In a diesel engine high heat is required to burn the fuel, How is it made possible? ​By compressing the air in the cylinder 41. What is sonar? ​It is a device or system for detecting and locating objects submerged in water by means of

r​ eflected sound waves 42. Why is the ordinary microscope is called optical microscope? ​Because ordinary microscope works with the help of light ie, optics 43. What is walkie-talkie? ​A wireless radio device to transmit and receive radio messages to short distances in one or ​more frequencies. It is usually used by traffic police in cities. 44. The unit for measuring the intensity of sound wave is associated with the name of a scientist. A unit is equal to 1/10 of bel. Which is that unit? Who is the scientist? ​The unit is decibel. The name of the scientist is Alexander Graham bel. 45. How is echo formed? ​Owing to the reflection of sound 46. The unit of (electrical) power is Watt. Why is it called ‘Watt’? ​‘Watt’ was named after James Watt who invented steam engine. He is the formulator of Horse ​Power (HP) which is equal to 746 watts 47. What is the use of kryometer? ​For measuring very low temperature 48. Which is the law involved in the function of rockets? ​Newton’s third low of motion 49. What is the basics principle behind submarines? ​Principles of buoyancy by Archimedes 50. Why are the radiowaves called Hertz waves? ​Because it was invented by Henrich Rudolph Hertz 51. How is artificial diamond produced? ​By heating graphic upto 30000C in very high pressure 52. What is ‘dead weight tonnage’ (DWT)? ​The weight of a ship including all the articles it carries 53. When the running vehicles is abruptly stopped, the passenger falls ahead. Why? ​Because of the inertia of the passenger 54. What is the use of Periscope? ​To view the objects above the surface of water 55. When was Atomic Power Commission established in India?

1​ 948 56. What is the device that changes electrical energy into mechanical energy? ​Electric motor 57. Which is the device that changes mechanical energy into electrical energy? ​Dynamo 58. What is the name of the instrument in which microwaves were first produced? ​Magnetron 59. Name the electrode that is connected to the negative pole of the battery? ​Cathode 60. Which is the electrolyte used for nickel plating? ​Nickel Ammonium sulphate 61. In which electrode are non-metallic components collected during electrolysis? ​Anode 62. Which is the colour of light emitted by hydrogen discharge lamps? ​Blue 63. What is the unit used to measure electrical resistance? ​Ohm 64. What is the name given to the total number of protons in the nucleus of an atom? ​Atomic number 65. The nucleus of which atom is equivalent to an alpha particle? ​Helium 66. Who made and activated the first nuclear reactor? Enrico Fermi 67. In which year was Apsara, the first nuclear reactor in Asia activated? ​1956 68. What is the fuel used in Purnima-1 reactor? ​Plutoniuum 69. What is the phenomenon by which a soap bubble appears to have different colours when sunlight on it ? ​Interference 70. Which is the medium in which refraction of light in the maximum? ​Diamond

71. Where is the biggest solar plant in the world? ​California 72. Which was the first submarine that ran using nuclear power? ​Nautilus 73. What are the stable subatomic particle occurring in an atomic nucleus? ​Proton and Neutron 74. Which is the force that hold protons and neutrons together in a nucleus? ​Electronic force 75. Which is the artificially made first nucleus? ​Oxygen-17 76. Who discovered the existence of nucleus in an atom? When? ​Rutherford in 1911 77. Which is the moving particle in an atom? ​Electron 78. What is the colour of the sky when viewed from the moon? ​Black 79. What kind of energy is stored in a capacitor? ​Electrostatic 80. Which is the unit for measuring the intensity of sound wave? ​Decibel 81. Which is the substance used as refrigerant in fridges? ​Frion-12 82. What are the three basic colours? ​Red, Blue, Green 83. Who formulated the theory that there are only three basic colours? When? ​Thomas in Young 1807 84. What is the unit of energy? ​Erg 85. Who invented X-ray? When? ​William Roentgen in 1895 86. What is the name of the scientist who used the word ‘electric’ for the first time? ​Gilbert 87. What happens when water is cooled 4”C to 0”C? ​Expands 88. Which is the device that has used Pascal’s law?

​ ydrolic press H 89. Which wave has the most wave length? ​Radio wave 90. Which scientific principle has been used in the brakes of vehicles? ​Friction 91. By what name is the temperature below 13000C known as? ​White heat 92. What is the peculiarity of jet engines? ​They are reactive engines 93. Who invented printing? ​J. Guttenberg 94. Which company introduced the digital watches for the first time? ​Favour Leauba 95. Which instrument changes electrical energy into heat energy? ​Electrical heater 96. What is the unit of mass? ​Kilogram 97. Why does the hydrogen-filled balloon burst when it reaches very high? ​Pressure inside the balloon is greater atmospheric pressure 98. Which light ray that the has the capacity to cut metals? ​Laser 99. Which is the colour ray that travels at the lowest speed through glass? ​Violet 100. What is the specific gravity of water? ​1 101. Name the scientist who gave leadership to the first atom bomb experiment of India: ​Dr. Raja Ramanna 102. What is the charge of nucleus in an atom? ​Positive 103. Which is the instrument to measure the pressure and density of liquids and gases? ​Manometer 104. Which is the instrument that is used to show that Archimedis principle is applicable to gases also? ​Baroascope

105. Name the Indian scientist who got Nobel prize for physics: ​C.V Raman 106. Who invented electric bulb? ​Thomas Alva Edison 107. Which branch of medicine proved that electricity helps the growth of bones? ​Electro therapy 108. Which is the gas filled in electric bulb? ​Argon 109. Who is the father of the concept ‘atom’? ​John dalton 110. Who invented photo electric effect? ​Hertz 111. What is the speed of sound in air? ​340 metre/second 112. ‘Raman Research Institute’ is named after C.V Raman in which city it is situated? ​Banglore 113. What is the name of the cells that change sunlight into electric energy? ​Photo voltaic cells 114. The silvering in a vacuum flask reduces the loss of heat. How? ​Through radiation 115. What kind of lens is used in the eye defect, astigmatism? ​Cylindrical lens 116. What is the energy received from one gram of matter? ​9 x 10 Jule 117. Who discovered neutron? ​James Chadwick 118. Which is the alloy having the least metal expansion? ​Invar steel 119. Which is the first instrument that man used? ​Stone 120. Which is the instrument take photograph in mist and darkness? ​Infrare campera 121. What type of mirror is used in the motor vehicles to see the vehicles from behind?

​ onvex C 122. Which is the instrument used to change alternating current (AC) into direct current (DC)? ​Rectifier 123. Which is the biggest shipyard in India? ​Kochi shipyard 124. Who was the first chairman of Atomic Power Commission? ​Homi J. Bhabha 125. Who was the first establish lift (elevator) system in the world? ​Leonardo La Vinci 126. Why is there is a loud explosion when electric bulb burst’s? ​Because air rushes suddenly into the vacuum space of the bulb. 127. Where did printing start for the first time? ​Germany 128. How much horse-power energy does the sun radiate in one square feet? ​15,000 129. Where is the first radio telescope in the world? ​Manchester England 130. Name the element which India used for the first nuclear explosion? ​Plutonium 131. Who invented bifocal lens? ​Benjamin Franklin 132. Which is the metal through which X-ray does not pass? ​Lead 133. Which is the material that becomes soft when heated and becomes hard when cooled? ​Thermoplastic 134. Which is the nearest Nuclear Power Station to Kerala? ​Kalpakkam 135. Which is the Vitamin produced in our body by ultra violet rays in the sun? ​Vitamin D 136. Who invented adding machine? When? ​Wilbelm Schickard (Germany) 1625 137. Which is the unit of magnetic flux? ​Webber 138. What is Venturi tube?

I​ t is tube with narrow middle and wider ends to measure flow of liquids and their pressure. ​(names after G.B Venturi (1746-1822), Italian physicist 139. What is the use of planimeter? ​For mechanically measuring the area of a plane figure 140. Name the scientist who discovered radioactivity: ​Antoine Henri Becquerel 141.What is the use of an altimeter? ​To measure height 142. The physicist who wrote the book ‘The atom’ got nobel prize in 1937. What is this name? ​Blaise Pascal 143. When did India start television broadcast? ​1959 144. Which is the primary energy source of the earth? ​Sun 145. Which is the isotope that is used to determine the antiquity of very old objects? ​Carbon-14 146. What is carbon dating? ​Method of estimating the date of death of very old objects by finding out the measure of ​A particular type of carbon (carbon 14) still present in them. 147. What carbon-12? ​A stable isotope of carbon which comprises 99% of naturally occurring carbon 148. Name the alloy which is used to bore rock? ​Manganese steel 149. Which is the instrument that is used to defect the presence of electric charge? ​Electroscope 150. What is the name of atoms having the same atomic number but different mass number? ​Isotope 151. If bulb light and yellow light are mixed on a screen what will be the colour that we get? ​Green

152. Name the scientist who launched rocket for the first time on experimental basis: ​Robert H Godard 153. Who started the publication of ‘Indian Journal of physics? ​C.V Raman 154. At Which temperature does water have maximum density? ​4”C 155. What is the weight of one litre air in normal atmospheric pressure? ​1.3 gm 156. What is theodolite? ​A surveying instrument for measuring horizontal and vertical angles of heights and distances 157. What is the use of an electro encephalograph? ​To test the working of brain cells 158. ‘Little boy’ reminds one of a horrible destructor. What is it? ​The euphemistic name for the first atom bomb showered on Hiroshima 159. Why are radio waves called Hertz waves? ​Because it was invented by Henrich Rudolph Hertz. He invented radio waves which is the ​Part of electro magnetic waves. 160. The clocks which show accurate time in winter becomes slow in summer. Why? ​In summer the pendulum expands 161. It is easier to swim in sea water than in river water. Why? ​Since salt water has more density its upward pressure is more 162. What is the reason for the use of tungsten in electronic valves? ​The high melting point and high resistibility of tungsten 163. Ice floats in water, but lies at bottom in arrack. Why? ​Because ice has less density than water and more density than arrack 164. Who invented aeroplane? When? ​Orville and Wibur Weight (USA) in 1903 165. Albert Einstein got Nobel prize in 1921 for physics on a treatise. Which was the subject? ​Photo Eelctric effect

166. Which is the instrument used for measuring velocity and pressure of wind? ​Anemometer 167. Even before the invention of wireless by Marconi, an Indian scientist in 1895 proved that bell can be tolled using electric magnetic waves. Who was that? ​Jagadeesh Chandra Bose 168. How many electrons are there in hydrogen atom? ​One 169. What is the distance travelled by light in one nano (one thousand millionth) second? ​One foot (12”) 170. What type of lens do our eyes have? ​Convex lens 171. Which sound is faster than the speed of sound? ​Supersonic sound 172. Who made the first atomic reactor? ​Enrico fermi 173. Which is the atmosphere that reflects radio waves? ​Ionosphere 174. Which is the device used for testing the concentration of sugar in solution? ​Saccharimeter 175. Which is the common element in both Nichrome and German Silver? ​Nickel 176. Who discovered electron? ​J.J Thomson, in 1897 177. Who was the first to develop battery which produce electric charge? ​Alexandro Volta 178. At what temperature does heavy water has the most density? ​11.60C 179. When was the first optical microprocessor, which used light instead of electricity developed? ​In 1988 180. Pascal is the unit of what? ​Pressure 181. Who is the inventor of atomic theory?

​ emocratis D 182. What is the common name given to gases which cannot be changed into liquid form? ​Ideal gases 183. Which fundamental particle of atom having no change but having the same weight of a proton found in the nuclei of all element except hydrogen? ​Neutron 184. Who proved that light travels faster than sound? ​Olace Romer 185. Which is the glass that darkens in sunlight and lighten in darkness? ​Photo chromic glass 186. Who designed atomic power policy in India? ​Indian Atomic Energy Commission 187. What is the speed of light? ​300000 km/second 188. Which is the liquid used in Volta cell? ​Diluted sulphuric acid 189. Who formulated the Celsius scale? ​Andrews Celsius 190. Who proved first that there is a medium of either everywhere in the universe? ​Aristole 191. When we see movie how many pictures are falling on the screen in a second? ​24-39 pictures 192. Hydrogen bomb is based on which phenomenon? ​Nuclear fusion 193. It is characteristic of liquid drops to be spherical shapes what is its reason? ​Surface tension 194. Which is the colour that absorbs all light waves? ​Black 195. Which are the metals used in solar battery? ​Germanium, Silicon, Celinium 196. What is the use of a Hypsometer?

​ or measuring altitudes by noting the boiling point of water F 197. In what form does the sound waves travels in air? ​Longitudinal waves 198. Which is the crystal used to make ultrasonic waves? ​Quartz crystal 199. Why does a straight stick seem to be curved in water? ​Because of diffraction 200. Which is the instrument for determining the freezing point of a liquid? ​Cryosscope 201. Which is the uranium isotope seen most in nature? ​U218 202. Which is the metal that reflects light rays most? ​Aluminium 203. Who was the first to create artificial vacuum? ​Torry seli 204. How many kilograms make a metric tonne? ​1000 205. Name the scientist who stated that atom has an inner structure and who discovered the electron inside the atom? ​J.J Thomson 206. What is the length of a nautical mile? ​About 2,025 yards (1,852 metres) 207. How many degree Fahrenheit makes 00C? ​32”F 208. Which device is used to escape at the time of a plane accident? ​Parachute 209. Which is the colour in the centre of a rainbow? ​Green 210. What is the method of measuring wind speed without using an instrument? ​Beaufort scale 211. Which gas is responsible for the ‘Green House Effect’ in the atmosphere? ​Carbon dioxide 212. The a fuel made a beginning for industrial revolution. Which was that

fuel? ​ oal C 213. Name the scientist who invented that the gases in the atmosphere absorb heat coming from the sun? ​Joseph Fourier 214. Who found that molecules can be separated by passing electricity through electrolytes? ​Michael Faraday 215. Which was the first city destroyed by nuclear explosion? ​Hiroshima (Japan) 216. When heated, a material attains gaseous state directly from solid state. Which is that material? ​Camphor 217. What is the distance between broad guage railway tracks? ​1.676 metre 218. What is the distance between metre guage railway tracks? ​1 metre 219. What are calipers? ​Compasses with legs suitable for measuring the inside or outside diameter of bodies 220. What is Coulomb the unit of? ​Electric charge 221. What is ‘Zero Energy’? ​The energy that exists in atom is zero Energy 222. Who invented the pendulum of clock? ​Galileo 223. Who artificially produced radio isotopes? ​Irene Curie, Frederick Juliot 224. What is the name of the sound having frequency more than 30000 hertz? ​Supersonic 225. Which colour will we get when red, blue and green light rays are combined together? ​White 226. Why does ship float on water? ​Because the weight of the water which the ship displaces is less than the weight of the ship 227. What is ‘absolute zero’?

​ he temperature at which the atoms of a matter becomes still T (-273 C or 00K) 228. Who invented Bunsen Bumer? When? ​A.R. Wllhelm Von Bunsen(Germany) in 1855 229. It is easier to lift a heavy stone in water Why? ​Because water applies upward pressure on things immersed in water. 230. Which is the device that changes light energy into electric energy? ​Photo electric cell 231. What is the use of a thermostat? ​This apparatus regulates temperature automatically 232. Which is the metal used in storage batteries? ​Lead 233. When an iron rod is struck several times with a hammer, the rod gets heated. Why? ​Because, the speed of motion of the molecules in the rod increases 234. Which part of our body does radiation harms the most? ​Marrow in the bone 235. Who is the inventor of ‘Ohm’s Law’? ​George Simon Ohm 236. Which is the fourth state of matter? ​Plasma 237. When oil catches, fire it cannot be extinguished by water. Why? ​Water is heavier than oil. So water goes down and oil burns coming upward 238. Who was the first to prove that atom can be broken? ​Rutherford 239. Where did measurements in metric system start usage? What? ​In France in 1791 240. Is melting ice, a chemical change or physical change? ​Physical change 241. Who was the first to make electric magnet? ​William Sturjor 242. Which is the largest single car factory in the world? ​The Volks Wagenwerk at Woltsburg, Germany. It has capacity for 4600 vehicles daily. 243. Which is the thermometer that is used to find continuous changes in 0

temperature? ​Thermo electric thermometer (thermo couple) 244. Why do we feel hot when covered with a blanket in writer? ​Blanket prevents heat from escaping from the heat 245. Why are gaps left in between railway tracks? ​To avoid bending when it expands due to heat 246. A body feels heavier in equator than in polar regions. Why? ​In equator regions force of gravity is more 247. What is nucleonic? ​The branch of science and technology concerned with atomic nuclei and nucleons especially the ​Exploitation of nuclear power 248. What is the most important advantage of sodium vapor lamp? ​It requires less electricity 249. Ice has no colour. But snow is white. Why? ​Since light reflects from various surfaces of each crystals in the ice, snow seems to be white 250. What is India’s position in wind-power-producing nations in the world? ​India is the fifth largest wind power producing nation after Germany, USA, Spain and Denmark. ​Installed capacity is 1617MW 251. What were the first words spoken over telephone? Who spoke them? ​The first words were: Mr. Watson, come here; I want you”. Alexander Graham Bell was addressing Thomson Watson on March 7, 1876 252. What is the use of a stroboscope? ​For observing periodic motion by throwing light at intervals on a rotating body 253. Who invented atomic bomb? When? ​J. Robert Oppenheimer (USA) in 1945 254. Why is oil filled in the transformers which are used electricity distribution network? ​To absorb heat 255. What is the limit of audible frequency of sound for human beings? ​From 20 hertz to 200000 hertz 256. Which is the first artificial element that than made? Who made it?

​ eptunium in 1940 N 257. A crystal of 318 kg has been made in pyramid shape in the Lawrence National Laboratory in USA To which salt does the crystal belong? ​This crystal is of potassium di hydrogen phosphate. It took 52 days to bring it up 258. What is electrodynamics? ​The branch of mechanics dealing with electricity induced motion. 259. If somebody wants to see his full image in the mirror, what should be the least size of the mirror? ​At least half the size of the on looker 260. Which is the car, free from pollution? Electric car. The fuel of this car is the electricity stored in the battery. Battery should be recharged after running 100km 261. From where is the origin of the world ‘automobile’? ​From France Automobile is a combination of the Greek word ‘auto’ (self) and French word ​‘mobile’ (moving) 262. What are the two metals that melt at very low temperature? ​Galium melts at 29.78”C and Caesium melts 28.4”C 263. Which is the most powerful microscope prevalent today? ​Scanning Tunnelling Microscope. A minute object can be seen in it ten times crore in size 264. Who is the inventor of bicycle? When? ​Kirkpatrick Macmillan (Britain) in 1839-40 265. NMR Scanner is widely used now in our hospitals. What is its full form? ​Nuclear Magnetic Resonance 266. What is lignite? ​A soft brown low quality coal 267. There is a research institute in Kolkata after the name of Meghanath Saha who was an Indian Physicist and parliament member. What is its name? ​Saha Institute of Nuclear Physics 268. What is the scientific name of Photostat? Who invented it? ​Xerography. This is why it is called Xerox copying. C.F Carrison (USA) invented it in 1938

269. Marie Curie and her husband Pierre Curie were awarded the Nobel Prize in 1903 for the discovery Of radioactivity. How was Pierre’s ‘tail’ Curie formed? ​ The lovable husband Pierre added ‘Curie’ in his wife’s name to his own name 270. Hydrogen-filled balloon slowly rises to the sky in the morning. But by noon the same balloon rises Quickly to the sky. Why? ​At noon the air becomes light due to heat. So air rises quickly 271. What is the name of the instrument for measuring variations in the gravitation field in different parts Of the earth? ​Gravimeter 272. What is the law contained in the working of rockets? ​Newton’s ‘third law of motion’ 273. What is the name of the instrument for measuring the humidity of air or gas? ​Hygrometer 274. Name the scientist who was elected to British Parliament in 1689? ​Sir Issac Newton 275. Who invented the Cellophane? When? ​J. Branderberger (Switzerland) in 1908 276. Who made the first ever parachute jump? ​Jaqres Garnerin, in 1797 277. Name the Greek philosopher who for the first time made study about magnetism? ​Thales (BC 624-546) 278. What is a femto second? A femto second is millionth of billionth of a second. It is to a second what a second is to 32 million years.

THE UNIVERSE 1. Who maintained that the earth was at the centre of the universe and that the planets, sun, and stars moved around it? ​Pholemy

2. Who put forward the theory that the earth revolves on its axis and that the sun, not the earth, is the centre of the planetary system? ​Copernicus 3. They are formations of innumerable stars grouped together by force of gravity. What are they? Glaxies 4. Which is the farthest visible object in space? Andromeda galaxy 5. The largest indistinguishable galaxy formation. What is this called? Super galaxy 6. They are formed by gravitational contraction from vast clouds of galactic gas and dust. What are they? Stars 7. What is the density of stars? Upto 1,000 hydrogen atoms per cubic centimeters 8. What is distance from the earth to the sun? 149600000 km 9. The distance to sun is how many light minutes? 8.3 light minutes 10. How much time is required light to reach the earth from the sun?

8 minutes 11. How many stars are for the normally visible? 5776 12. Which star is the nearest to earth? Sun 13. How long is the sun from the centre of galaxy? 33000 light year 14. Who are the inventors of the signs of zodiac? Babilonians 15. What is the maximum length of galaxy? 100000 light year 16. What is the diameter of the sun? 1392000 km 17. What is the approximate age of the sun? 500 crore years 18. Which is the element that contains the most in the sun? Hydrogen 19. In which state substance exists in the sun? Plasma 20. How heavier is the weight of the sun than the earth?

33 lakhs times 21. What is the gravitational force of the sun? 28 times more than that of the earth 22. What is the diameter of the sun’s orbit? 60000 light year 23. What is the outermost layer of the sun is called? Corona 24. What is the innermost layer in the sun is called? Photosphere 25. What is the region known in between the corona and photosphere? Chromosphere 26. They are dust clouds in outer space. They are vast and distant. Normally they are composed of dust (about 2%) hydrogen and other elements found in stars. What are they? Nebulae 27. Which is the important pulsating nebulae? Hublind, Toury 28. They are far bigger and heavier than the sun. They have very high internal temperature. What are they? Super Giant Novae Stars 29. It is the largest and most massive star. It is 300 times greater than the sun. What is its name?

Betelgeuse 30. When did the most luminous Nova appear? In 1572 31. It is the brightest star which is six million times brighter than the sun. What is its name? Sinius 32. This is the most famous comet which reaches the solar system in every 76- 3 years. What is its name? Halley’s comet 33. Which is the nearest star visible to naked eye? Alpha Centauri 34. Which is the largest comet? Holmes comet 35. Which scientist made detailed study of Nova? Tycho Brahe 36. Which is the most helpful star to know direction? Polestar 37. Who is the progenitor of the theory of the ‘evolution of universe’? Gamov 38. The stars seen in the sky are divided into how many groups? 88

39. This great man improved the telescope and was the first person to use it for astronomical observations. What is his name? Galileo 40. Who was the first to give evidence to the theory that the universe is expanding always? Edwin P Hubble 41. Name the great mathematician who found the 48 stars families in the galaxy for the first time and gave them names? Pholemy 42. Name the Indian astronomer who challenged the famous ‘Big Bang’ theory regarding the evolution of universe? Jayanth V. Narlikkar 43. What is the time required for the sun for sun for one revolution on its own axis? 25.4 days 44. It was an Indian astronomer who stated for the first time that the earth revolves on its own axis. Who was that? Aryabhatta 45. What is the temperature of the sun’s center? 350000C 46. It is a kind of energy radiation, consisting of atomic nuclei that reach the earth from outer space. What is it? Cosmic rays

47. They are fast rotating neutron stars. They send out radio waves in a regular frequency. What are they? Pulsars 48. They are the mysterious heavenly bodies which may be mistaken to be stars on first observation. It is classified as radio galaxies. What are they? Quasars 49. Who invented telescope? Who improved it? Who made more powerful telescope for the first time than of the existing one? Hans Lippershey invented telescope. Galileo improved upon it. Sir Issac Newton made more powerful telescope 50. Name the scientists who gave detailed information about nebulae: Charles Medier, W.Herschel, R. Milkovsky, L.H Aller Barman, Van Mannar 51. Where is the largest refractor telescope situated? At Yerkes observatory in Chicago University (USA) 52. Who discovered Radio Telescope? Who developed? When? Karl Jansky in 1931. Gorte Reber developed it in 1937 53. Which is the earliest work on Astronomy? Aryabhatian 54. Who stated that planets are originated from the collision of the sun and comet? George Jusde Buffon

55. Who are the ancient Indian astronomers? Brhma, Vasishta, Atri, Manu, Pulasthya, Lomesa, Saunaka, Garga, Kasypa, Parasara, Vyasa, Narada, Bhrigu, Chyavna, Aryavhatta, Chaskaracharya 56. Who are the ancient astronomers of the West? Ptolemy, Copernicks, Tycho Brahe, Kepler, Galileo, Issac Newton, David Habrecius, Simon Moraes 57. Where is the largest reflector telescope situated? At Mount Semirodriki in Mount Caucasus, Russia. It is installed at s height of 2080 m. 58. After the sun which is the nearest star to the earth? Proxima Centuri 59. What is Van Allen Belt? This is the ozone region of the ionosphere. Van Allen Belt keeps away the ions and poisonous gases in the other space. U.S scientist Van Allen discovered it in 1958. 60. Which is the famous astronomical observatory that India built in 17th century? Jaipur Janmanther. This was built by Jaipur king Jai Sing-II 61. What is the name given to the small dense hot star that has reached the last stage of its life? White dwarf 62. What is the unit of distance of stars? Light year

63. What is the name given to the orbital movement of a planet around another? Revolution 64. Where is the solar observatory situated in India? Ahamedabad 65. Name the famous astronomer who became a parliament member in 1951: Meghanath Saha 66. Which is the branch of science that studies the position of man in the universe? Anthrospic Cosmology 67. Which are the six planets that could be seen with naked eyes? Mercury, Venus, Mars, Jupiter, Saturn, Earth 68. Who is the Greek philosopher known as the father of astronomy? Aristole 69. Plato’s views on the universe were based on the ideas of a Greek mathematician. Whose? Pythagoras 70. Who propounded the idea ‘Black hole’? John Archibald (USA) 71. Scientist say that there is matter I n the universe which is not yet discovered. What is the name given to it?

Dark matter 72. What is the name given to a large constellation in the southern sky? Hydra 73. From what does the ozone layer in the atmosphere protect the earth? Ultra Violet Rays 74. What percentage of water is filled with the surface of earth? 71% 75. For which discovery did Subramaniam Chandrasekhar get nobel prize? For the theory about white dwarfs 76. Which is the star that is changing into gas? Nova 77. Which is the element that is present the most in the galaxy? Hydrogen 78. Which is the eclipse that occurs only in the new moon? Solar eclipse 79. What is the difference between a star, satellite and a planet? Star is celestial body having its own light. Satellite is a secondary body that revolves round the planet. Planet it also a celestial body which revolves round the sun in elliptical orbit.

80. What is the name given to the aurora of southern hemisphere? Aurora Australis 81. How is energy produced in the sun? Due to nuclear fusion. Here four hydrogen atoms are combined to form one helium atom 82. What is the life span of an ordinary star? 100 crore years 83. What is the name given to the bright spot on the sun? Facula 84. Who is the Greek philosopher who prophesied in B.C 585 solar Eclipse through modern calculations? Thales 85. In which year was western astronomy included in Indian syllabus? 1917

THE EARTH 1. Give the superficial area, land surface and water surface of the earth: Superficial area: 510100500 sq km, land surface: 148950800 sq km Water surface: 361149700 sq km 2. Which known as satellite of earth? Moon 3. Which is the planet having all the circumstances for the existence of life?

Earth 4. What is the shape of the earth? Earth is not a true sphere, but flattered at the poles and hence an oblate 5. How old is the earth? 460 crore years 6. Which are the metals that have formed the core of the earth? Iron and nickel 7. The outer surface of the earth is divided into how many layers? What are they? Into 4 they are Lithosphere, Hydrosphere, Atmosphere and Biosphere 8. What is lithosphere? The entire top crust of the earth which includes not only the land surface but also the ocean floor 9. What is hydrosphere? Water surface which includes the oceans, lakes and rivers. It rests on the Lithosphere 10. What is atmosphere? The blanket of air that envelops the earth, itmcovers both the land surfa e and the water surface 11. What is biosphere? The sphere of life which spreads over all the three other spheres –

lithosphere, hydrosphere and atmosphere 12. Who first assessed the mass of the earth? When? Dr. Nevil Mas Kelyne (Scotland) in 1764 13. The surface of the earth is divided into different zones based on the amount of sunlight received throughout the year. What are these zones called? Climatic regions 14. Which are the three climate regions? Torrid zlone, temperate zone, frigid zone 15. Into how many layers is the atmosphere divided on the basis of the distance from the surface of the earth? What are they? Six layers they are Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere and Ionosphere 16. Which layer of the atmosphere is in constant contact with the earth’s surface? Troposphere 17. Which is the layer just above the Troposphere? Stratosphere 18. What is the total weight of air in the atmosphere? 6x1015 tons 19. What is the thickness of the atmosphere? Upto a height of 960 km from the earth

20. Which is the layer of the atmosphere which prevents the flow of the fatal ultra violet radiation from reaching the earth? Ionosphere 21. Which is the magnetic layer above the ionosphere? Magnetosphere 22. What is the pressure of the earth’s atmosphere at sea level? 1.04561 kg per sqcm (The pressure varies with temperature) 23. Which is the major component of gases of the first 96 km of the atmospheric air? Nitrogen 78.1% 24. What are different kinds of rocks found on the earth? Igneous rocks, sedimentary rocks, metamorphic rocks 25. Which is the highest place on the earth? Everest 26. What is the name given to the circles which vertically cross the equator? Longitude 27. Which is the innermost part of the earth? Molten core 28. What is meant by the force of gravity of the earth? The force which attracts the bodies towards the centre of the earth

29. What is geothermal energy? It is the natural thermal energy of the interior core of the earth 30. Where is the lowest point of earth’s land surface? The shoes of Dead sea which is below 1300 ft 31. Name the mountain ranges in India: The Himalayas, the Vindhya mountains, the Satpura mountains, the Western ghats and the Eastern ghats 32. Name the mountain range in Antartica? The Trans-Antarctican range 33. Which are the chief mountain ranges of Asia? The Himalayas, the Karakorum, the Kuenlen, the Altai, the Yablonai, the Stannovai, the Tienshen, the Hindush, the Sulaiman, the Karthar, the Caucasus, the Arakan coma and the Pegu yoma 34. Which are the chief mountain ranges of Europe? The Alps, the Carpathian, the Ural, the Transalpine and the Pyranees 35. Which are the chief mountain ranges of America? The Rockies, the Andes and the Appalachian ranges 36. What are the chief mountains of Africa? The Atlas, the Ruwenzori and the Kilimanjaro 37. Which is the major mountain range of Australia?

The Great Eastern mountains or the Australian Alps 38. Which is the tallest peak in India? Nandadevi (25,645 ft) in the Himalayas 39. Which is the tallest peak in Africa? Mount Kilimanjaro 40. Which is the tallest peak in Europe? Mount Blanc in the Alps 41. Which is the tallest peak in Australia? Mount Kosciusko (height 2230 m) 42. Which is the tallest peak in America? Mount Aconcaggua (height 7021 M) 43. How many active volcanoes are there in the world? About 850 (Many of them are submarine) 44. Which is the highest active volcano? Volcano Antofalla (6450 m) in Argentina 45. What is the name given to a volcano that does not burst out for a long time but could burst out any time? Dormant Volcano 46. What is the name given to a volcano from which no molten metal or fire comes out as they are exhausted inside the mountain? Dead Volcano

47. How was the name ‘volcano’ formed? The name volcano is derived from the now dormant volcano island (from the God of fire vulcanus) in the Mediterranean. 48. Which explosion is considered to be the strongest? The volcanic eruption of Krakaoa, an island between Jawa and Sumatra in Indonesia on 27th Aug 1883. The island was destroyed completely. 49. How is the earthquake measured? By using the Richter scale and Mercalli scale 50. This scale is used to measure the total energy released during the earthquake measures? Richter scale 51. This scale (devised in 1902) is used to assess the efforts of a quake at a particular place, rather than to measure the overall power. What is this called? Mercalli scale 52. Which is the worst earthquake disaster ever recorded so far? In the Shensi, Shansi and Honan provinces of China on Feb.2, 1556. More than 830,000 people were killed in this earthquake. 53. It is a part of the sea or the ocean projecting into a land area. What is it? Bay 54. What is a gulf? A smaller bay

55. It is a marshy place near the sea which is covered by the sea occasionally. What is it called? Rann 56. What is the name given to the narrow sea between land areas? Strait 57. This sea lies between the Arabian peninsula and Turkish peninsula. It is between Israel and Syria. Which is this sea? Dead sea 58. Why is the Dead sea called so? The extreme salinity and the density do not allow the water animals like the fish to live in it. 59. It is said that a person can stay afloat on the dead sea. Why? How many oceans are there in the world? What are they? The density of the water in the dead sea is so great that a person can stay afloat on it 60. Which is the biggest ocean? Four. They are: the Pacific ocean, the Atlantic ocean, the Indian ocean and the Arctic ocean 61. Which are the longest rivers in the world? The Pacific ocean (63.8 million sq. mile) 62. Which are the longest rivers in the world? The Amazon and and the Nile 63. Which are the major rivers of the Indian subcontinent?

Indus, Ganges, Brahmaputra, Narmada, Tapti, Mahanadi, Godaveri Krishna and Ka 64. This canal is built between Asia and Africa connecting Red sea and the Mediterranean sea. Which is this canal? Panama canal 65. Which is the largest fresh water lake in the world? Suez canal 66. Which is the holiest lake in the world? Lake superior of USA 67. It is the holy lake of Sikhs. The Golden Temple of Sikhs is situated on it. What is its name? Manas Sarowar in the Kailas Ranges in Tibet 68. Which is the most beautiful lake in India? Amritsaras 69. Which is the largest man-made lake in India? Dal lake of Srinagar in Kashmir 70. Which is the highest lake in South India? The Narmada Sagar 71. Name the largest group of lakes on earth: The lake in Ooty in Tamil Nadu 73. What are the climatic zones?

They are the five great lakes of North America namely Superior, Michigan, Huron, Eeric and Ontario 74. What are the hottest place in the world? Dallol, Ethiopia. Here the annual mean temperature is 34.4”c 75. On which day of the year is the distance between sun and earth is the lest? January 3 76. What is the time difference between IST and GMT? 51/2 hours 77. Which is the biggest desert in the world? Shara in North Africa (8,400,000 sq km) 78. Which is the only continent that does not have desert? Europe 79. The average depth of the deepest ocean in the world is 14000ft (21 1 /2 miles). Which is this ocean? Pacific Ocean 80. Which is the largest continent of the world? Asia 81. Which is the smallest continent of the world? Australia 82. Which is the largest country in the world?

Russia 83. Which is the smallest country in the world? Vatican 84. Which country is known as the land of thousand lakes? Finland 85. Which country is known as the land of midnight sun? Norway 86. Which country is known as the gift of the Nile? Egypt 87. Which country is known as the land of rising sun? Japan 88. Which country is called the sick man of Asia? Mynamar 89. Which country is known as the sick man of Europe? Turkey 90. Which country is known as the land of white elephants? Thailand 91. Which is the largest country in Europe? France 92. The border of an Asian country is adjacent to 11 foreign nations.

Which is that country? China 93. Which country mines the most gold in the world? South Africa 94. Which country mines the most coal in the world? America 95. Upto how many kilometers the rain clouds seen from the earth? About 1.5 km 96. In which state, the monsoon starts in India? Kerala 97. On which day of the year is the distance between sun and earth the most? July 4 98. What is the reason for thinking that there is large quantity of iron in the core of earth? The magnetic property of the earth 99. In deserts many creatures live under the soil. Why? To protect themselves from extreme heat 100. The forest known as ‘black forest’ is situated in which European country? Germany

101.

Which is the longest river in the Europe?

Volga 102. An Indian state has 90% forest of its total area. Which is that state? Arunachal Pradesh 103. The hot regions in between Tropic of Cancer and Tropic of Capricorn is known in which name? The tropics 104.

Which is the city of seven mountains?

Rome 105.

Which is the key of Pacific ocean?

Singapore 106.

Which is the most populated island in India?

Vypin 107.

Which country is known as the island of pearl’s?

Bahrain 108.

Which is the biggest peninsula in the world?

Arabia 109.

In which earth’s region are coral reefs seen?

The tropics 110.

In which earth’s region are day and night equal?

In equator 111. Who introduced the ‘Plate tectonic’ theory that continents move little by little? Alfred Wagner 112. What is the name given to the sub-soil which remains below freezing point throughout the year as in polar regions? Permafrost 113. What is the name given to a line drawn on a map through places having the same amount of bright sunshine? Isohol 114.

Which country mines the most silver?

Mexico 115. In Artic circle which are the two days that experiences 24 hours night and 24 hours day? June 21 (night) December 22 (day) 116.

How much portion of the earth does the deserts cover?

1/5 117.

Which is the largest cave in the world?

National Park Cave (America) 118.

Who discovered the south polar continent Antartica?

James Cook 119.

An Indian state has no forest at all. Which is that state?

Goa 120. An island is believed to have vanished in Atlantic ocean as a result of an earthquake that happened 12000 years ago. Which is that Island? Atlantis

MAN 1. What is man? ​ Man or homo sapiens is the most developed primate and the highest creature in the evolutionary series. 2. Which Greek philosopher’s doctrine is “Man is the measure of all things”? Protagoras (480-411 B.C) 3. What is the average weight of a new-born child? 2.6 kg 4. ​ How many bones are there in the human body? ​206 5. How many muscles are there in a human body? 639 6. What is the biotechnology to find out of the foetal abnormalities of a pregnant woman? Amniocentesis 7. How many times the human heart’s valve closes and open’s a day? 100,000 times

8. The first test tube baby was born in which country? When ? Britain on 25th July 1978 9. What is the minimum quantity of oxygen required in the atmosphere for the existence of man? 6.9% 10. How many bones are there in human foot? 26 11. What is the length of human intestine? 7.5 meter 12.What is the weight of the heart of a healthy man? 250-300 13.What is the normal temperature of human body? ​37-37.2”C 14. What is the weight of a human brain? 15. About how many sweat glands are there in the human body? 20 lakhs 16. In the human body, which tube connects the middle ear to the throat? The Eustachian tube 17. Name the complex in females resulting from an attachment to the father, that involves unconscious rivalry with the mother? The Electra complex 18. Which complex in males results from an attachment to the mother

and antagonism to the father? The Oedipus complex 19. The disease ‘encephalitis is an inflammation of which part of the human body? Brain 20. In earlier days, which disease was known as consumption? Tuberculosis 21. What is the science of the heart, its physiology an pathology called? Cardiology 22. What is Lyssophobia? Morbid fear of insanity 23. Which disease used to be known as ‘jail fever’ because it was frequent in prisons? Typhus 24. What is hypnophobia? Morbid fear of sleep or of falling asleep 25. What is amnesia? Loss of impairment of memory 26. When does a new born baby breathe for the first time? When beginning to cry

27. What is tendon? Strong muscular cord connecting muscles to bones 28. Today there are mainly seven systems of treatment prevalent in the world. What are they? Allopathy, Ayurveda, Homeopathy, Sidha, Unani, Nature Cure and Acupuncture 29. ‘ELISA’ test is done to find out which disease? What is its fulform? To find out AIDS disease. The full form is ‘Enzyme Linked Immuno Sorbent Assay’ 30. What is the disease bruxism? Habitual grinding of teeth in sleep 31. Who discovered oral polio vaccine? Albert Bruce Sabin 32. Why there is a delay in inventing a vaccine against AIDS? AIDS virus incessantly changes its configuration. So it is impossible to produce antibody against this virus. 33. How is urine is produced even when there is no intake of water? As a result of the metabolism that always takes place in the body a little water will be produced. This water goes out as urine 34. What is the name given to the protrusion of some abdominal organ through an intestine? Hernia

35. Which is the smallest muscle in the body? Gluteus maximus 36. Which is the carbohydrate that is kept in the liver? Glycogen 37. Which is the flattened circular organ in the uterus of pregnant eutherian mammals nourishing and maintaining the foetus through the umbilical cord and expelled after birth? Placenta 38. Which is the biggest gland in the human body? Liver 39. What is the human nail made up of? Protein 40. Which is the germ responsible for malaria? Plasmodium 41. Which part is known as ‘power house’ in the human body? Brain 42. Who was the first to prove that heart can be transplanted by way of surgery? Christian Bernad 43. Which is the biggest and smallest cells in human body? The biggest cell is female egg and smallest is sperm in males

44. Who discovered genes associated with cancer? When ? Robert Weinberg & others (USA) in 1982 45. Which part if the human body is made of mandible and maxilla? Chin 46. What is the full form of STD that denotes veneral diseases? Sexually Transmitted Diseases 47. Which is the chemical factor that gives yellow colour to urine? A pigment known as urochrome 48. Which is the most effective test to determine AIDS disease? Western Blot Test 49. When was AIDS reported in the world first? When? In 1981 in Sanfransisco 50. Which year was AIDS reported in India first? In 1986 51. Which is the world AIDS day? December 1 52. What is the weight of the liver of a healthy man? 1200-1500 gm 53. Who is the fittest member of a family to donate kidney? Identical Twin

54. Who invented cryo-surgery? When? Henry Swan (USA) in 1953 55. How many neurons are there in the brain? 1400 crores 56. Which is the major factor of chromosomes? Genes 57. In our body there is a small tube near the caecum, a part of the large intestine. It does not have any particular function. Which is that organ? Vermiform Appendix 58. Name the disease that is caused by the increase in the number of the white blood corpuscles: 59. Which is the factor in sunlight that tans to the skin? Ultra violet ray 60. Which is the substance that supplies food to cells? Haemoglobin 61. What does human body mainly consist of? How much? Water 65% 62. What is known as ‘shock’ treatment? Electro Convulsive therapy 63. Name the two colours that confuse the colours blinded people? Green and red

64. Which is the biggest organ in our body? Skin 65. The first artificial heart was transplanted in man in 1982. What was the name of that heart? What is the name of that doctor who transplanted it? Name of the heart Javick-7, Name of the doctor Dr.William Depress (USA) 66. What is the name of the bio-engineer who designed ‘Jarvick-7’, the first artificial heart transplanted in man? Robert Jarvick 67. Otolaryngology deals with which branch of medicine? ENT (Ear, nose, throat) 68. Though tail disappeared from man, a portion which represents tail still exists in human body. What is the name of it? Coccyx 69. Which is the hormone that increases the quantity of sugar in blood? Glucagone 70. Which is the organ in human body that destroys the damaged red blood corpuscels? Spleen 71. Which is the organ in human body that described as ‘Sweet bread’? Pancereas

72. Which is the functional basic factor of chromosome? Gene 73. Which part of the body does not have nucleus? Liver 74. Which is the sugar contained in milk? Lactose 75. Which is the country famous for acupuncture treatment? China 76. Which is the nerve that sends impulses from eyes to brain? Optic nerve 77. What is the technical name for jaundice? Viral hepatitis 78. Which is of the vitamin lost when healed? Vitamin C 79. Who compared the human cell to a factory? George Gamo 80. Who was the first to prepare small pox vaccine? Edward Jenner 81. Which substances regulate the chemical action in the body? Enzymes

82. Which organ in the produces the largest quantity enzymes? Liver 83. Who produced the artificial gene? H.G Khorana 84. What is the number of chromosomes in the human cell? 23 pairs 85. What is the membranes that covers the heart called? Pericardium 86. Which American scientist has worked on the functions of the vagus nerve in the heart? Ottolovi in 1921 87. What is responsible for the transmission of messages in the body? Acetyl Cholaine 88. What is the function of the spinal cord? It carries the messages from the brain to various parts of the body 89. Which is the chemical produced in the neuron? Acetyl Cholaine 90. What is meant by neuron? Nerve cell 91. Which is the nervous system that controls functioning of the body

at sleep? Autonomous Nervous system 92. Which is the part of the brain that controls motor function? Cerebellum Cortex 93. Which is the centre inside the heart that induces heart beats? Pacemaker 94. Which is the chemical that retards heart beats? Acetyl Cholaine 95. What is the state called in which one cannot see clearly, the horizontal and vertical lines simultaneously? Astigmatism 96. What is the name given to the treatment of disease by the administration of chemicals? Chemotherapy 97. What is coagulation? The clotting of blood outside the body 98. How much blood does the body have? Average 5 litres 99. What are the enzymes in pancreatic juice? Trypsin, amylase, lipse 100.Which are the four main groups of blood? A,B, AB,O

101.What is the name given to the wave motion of small intestine? Peristalsis 102 .What is the name difference between an antiseptic and an antibiotic? Antiseptic stops the growth of germs and antibiotic destroys the germs completely 103. Which is the first antibiotic medicine? ​ ​Penicillin, this wa invented by Alexander Fleming 104. How many bones are there in human skull? ​ ​22 105. Which is the major salt that is dissolved in human sweat? ​ ​Sodium Chloride 106. What is the name given to the localized formation of pus in cavity produced by the break down of tissues? ​Abscess 107. Which is the hormone produced by Pyloric glands? ​Gastrin 108. What are the constituents of saliva? ​Water, mucin, mineral salts ptyalin 109. How many salivary glands are there? ​3 pairs 110. Which are the salivary glands? ​Parotit glands, sub-maxillary and sub-lingual glands 111. From where are the cells produced? ​Form the bone marrow 112. What are the constituents of blood? ​Plasma, erythrocytes (red blood cells), Lecocytes (white blood cells) and thrombocytes ​(platelets) 113. It is large complex molecule. It is synthesized in the developing red cells and has an iron containing complex called heam. What is it it? ​Haemoglobin 114. How many chromosomes are there in a body cell? ​23 pairs one of each pair derived from the father and the other from

the mother 115. Which are the three main groups of carbohydrates? ​Monosaccharides, disaccharides and polysaccharides 116. Which hormone is involved in the water regulation of the body? ​ADH (Anti-diuretic hormone) released by the posterior pituitary 117. It is an eye defect in which the object closer to the eye can be seen properly but the object by a distance will be blurred. What is this called? ​Myopia 118. What is used before the sports events to determine sex? ​Barbody test 119. What is normal pulse rate? 70-72 n man and 78-82 in woman 120.Who invented typhus vaccine? When? J. Nicolle 121. What does a red blood cell contain? ​Red blood cell contains haemoglobin which carries oxygen through the body 122.

What is the principle function of bile?

To regulate the process of digestion 123. How many sweat glands are there in human body? What do they contain? About 2 million sweat glands. They contain 99% water with a little sodium chloride 124.

Which part of the body secretes the hormone insulin?

Islets of Langerhans. It regulates blood glucose level 125.

Who is known as the father of immunology?

Emil Von Behring 126.

What is the reason for the cancer in the mouth of those

who chew betel? Polycyclic hydrocarbon 127. typhoid?

Which is the effective medicine in the treatment of

Chloromycatin 128.

Which are the diseases caused by mosquitoes?

Filaria, malaria 129.

Which radio isotope is used to find out thyroid cancer?

Iodine-131 130.

Which is the first medical university of India?

Vijayawads 131.

Who discovered the Rh factor in human blood?

Karl Land Steiner 132. India?

In which year was the first test tube baby born in

1986 133. Which is the gas used for making the patient unconscious in surgery and in other purposes? Nitrous oxide 134.

Which vitamin is produced with the help of sunlight?

Vitamin D

135.

From where did the use of tobacco originate?

America 136. How much percent of blood does a healthy human body have? 8% 137. Which country printed first on the cigarette pack that ‘Smoking is injurious to health’? America 138. How many days are the life span of a red blood corpuscle? 120 139. Which hormone controls the quantity of calcium hum or an blood? Parahormone 140.

What beats 35 million times a year?

Human heart 141.

Which vitamin is also known as tocopherol?

Vitamin E 142.

Whooping cough is caused by bacteria or virus?

Bacteria 143.

What is mastectomy?

Removal of a breast

144.

Blood group O can receive from which group?

Only O 145.

How many bones are there in the vertebra of a man?

33 146.

Which part of the brain is the source of thought?

Cerebrum 147.

How many pairs of spinal cords are there in our body?

31 148.

Which is the element contained in Vitamin B12?

Cobalt 149. body?

How many quantity of Vitamin C is required for our

30 microgram 150. Penicillin and ampicillin are in the same antibiotic group. But there is a major difference between these two. What is it? ​Penicillin is available from nature and ampicillin is artificially made 151.

What is the function of spinal cord?

It sends messages from brain to different parts of the body 152.Which organ is affected by malaria? ​Spleed 153. body?

How much quantity of Vitamin B12 is required for our

Dialy 1 microgram 154.

Who discovered the genes associated with cancer?

Robert Weinberg and others (USA) in 1982 155.

Why do we sneeze?

This is a reflex action of the body to expel foreign bodies that enter inside the nose 156.

Those who are deaf by birth also become dumb. Why?

A baby becomes able to speak when he makes sound initiating what he hears. Since those who are deaf cannot hear anything they cannot imitate sound. 157. Besides tongue, which is the organ that we use to know the taste of blood? Nose. This is why we feel tasty when we have nasal congestion 158.

Where are the blood cells formed in the human body?

In the marrow inside the bones 159. Who is the author of ‘Origin of Species’, and ‘Natural Selection’? Charles Darwin 160. Which substance regulates the chemical activities of our body? Enzyme 161. In our skin there is a gland which produces a secretion that helps to give softness and shining to hair and skin. What is its name?

​Sebum 162. Which is the disease caused by the deficiency of vitamin D? Ricket 163.

Which is the hardest part in human body?

Enamel of tooth 164. What is the ordinary name which the doctors call as ‘alopecia’? Baldness 165.

Which is the liquid in blood?

Plasma 166.

Which is the major nutrient in ground nut?

Protein 167.

At what temperature is blood kept in the blood bank?

40C 168.

What is the full form of B.C.G vaccine?

Bacillus Calmette Guerin. ( in this Calmette and Guerin are the names of the scientists who discovered the vaccine) 169.

Human body is made of nearly how many elements?

20 elements 170. organ?

Hair and nail in the body is produced by of which

Of skin 171. Iron particle in the food is absorbed through which part of the body? Duodenum 172. What is the name of the great scientific project to find out the order of base pairs in the D.N.A of human gene? ​Human Genome Project 173. What is the name given to the removal of uterus through surgery? Hysteroctomy 174.Which is the gland that keeps the balance of water and salt in human body? Adrenal gland 175.When did WHO (World Health Organisation) come into existence? 7 April 1948 176. Who is the scientist known as the father of modern surgery? ​Dr. Joseph Lister 177. Which is the country that have the most of the skin disease? ​Australia 178. Which is the easiest and safest method to know the sex of foetus? ​Ultra sound test 179. What is the important function of bile? ​To regulate the digestive process 180. Which is the gland that secretes tears? ​Lachrymal gland 181. Which is the disease caused by the deficiency of vitamin B1? ​Beriberi 182. What protects the foetus from jerks? ​Amniotic fluid 183. What is the maximum longevity of the cells in the skin? ​7 days 184. What is the antidote to snake’s venom?

​ ntivenin A 185. What is the disease due to the lack of protein? ​Kwarshirkor 186. The lack of which vitamin is responsible for night blindness and lack of sight? ​Vitamin A 187. What is the name given to the temporary stiffening of the body soon after death, usually Within 12-36 hours? ​Rigormortis 188. What is the name given to the disorder in the muscles causing intermittent spasms by a malfunction of the parathyroid glands and a consequent calcium deficiency? ​Tetany 189. What is the name of the graph of electric current that flows through the heart? ​E.C.G (Electro Cardio Gram) 190. Which is the hormone that produces breast milk? ​Proclatin 191.Which gland is associated with the immunity in children? ​Thymus gland 192. What is the food of hookworm? ​Blood 193. What was the earlier name of AIDS? ​Gay Related Immune Deficiency (GRID) 194. It is very important part inside our body. Even though more than half of it is cut away, it will grow itself again within months. Which is that part of the body? ​Liver 195. Which is the biggest salivary gland? ​Parotid gland 196. How much blood pass through our kidneys daily? ​Average 170 litre 197. What is the approximate weight of the left and right lungs of an healthy man?

​ eft 550 gm, right 600 gm L 198. What is the normal eye pressure of a person? What is the name given to the disease resulting from increased pressure within the eye-ball, causing loss of sight in the long run? ​15-22 mm mercury, Glucoma 199. The cosmetic surgery known as phinoplasty is done on which part of the body? ​On nose 200. Kidney is made of nephron unit, How many nephrons are there in each kidney? ​10,00,000 201. In the labyrinth of the ear there is a fluid which helps to send impulses to the audio nerves. What is its name? ​Perilymph 202. Calciferol is which vitamin? ​Vitamin D 203. Name the Austrian psychiatrist who founded psychoanalysis? ​Sigmund Freud 204. What is the responsible for the sex change in human beings? ​Chromosomes 205. Which is the major enzyme that helps the digestion of protein in the human body? ​Rennin 206. Which is the fat responsible for heart disease? ​Cholesterol 207. Which is the leading gland in the body? ​Pituitory gland 208. Which is the disease caused by the deficiency of insulin? ​Diabetics 209. What is the name given to the man craving for alcohol? ​Dipsomania 210. Which is the carbohydrate that cannot be digested by the digestive system of man? ​Cellulose

211. Who prepared small pox vaccine for the first time? ​Edward Jenner 212. In which year did International immunization programme start in India? ​1985 213. Who invented penicillin? ​Alexander Fleming 214. Who discovered virus for the first time? ​Ivanovsky 215. In which country did nursing start for the first time? ​Germany 216. In which country was AIDS was reported for the first time? When? ​In USA, in 1981 217. Which vitamin helps to clot the blood? ​Vitamin K 218. In 1994 one of the Indian cities were affected with plague. Which was that city? ​Surath in Gujarat 219. Which is the disease caused by the deficiency of vitamin C? ​Scurvy 220. Who invented gene therapy in man? ​Martin Clive 221. Which factor of tobacco makes cancer? ​Polycyclic aromatic hydrocarbon 222. Where is bile collected in human body? ​Gall blader 223. Who discovered that there are 46 chromosomes in human cells? ​Herbert Ivans 224. Which part of the body is affected by hepatitis? ​Liver 225. What is the difference between hepatitis A and hepatitis B? ​Hepatits A is a virus, Hepatits transmitted through food and drink. Hepatitis B is a virus ​Hepatitis causing inflammation of the liver, transmitted through infected blood or Hypodermic syringe etc. 226. Which disease is known as Hansen’s disease?

​ eprosy L 227. When did World Health Assembly declare that the world was free of small pox? ​July 25, 1978 228. Which is the hormone responsible for femininity? ​Oestrogen 229. What is the percentage of water in human bone? ​25% 230. Which is the hormone that increases blood pressure and the absorption of water by the kidneys? ​Vasopressin 231. Which is the hormone that prepares our body to face dangerous situations? ​Adrenalin 232. What is the quantity of water in human blood? ​80% 233. What is the quantity of water in a woman’s breast milk? ​80% 234. It was in 1893 that a hormone was first discovered in human body. Which was that hormone? ​Adrenalin 235. Goitre is caused by the malfunction of which gland? ​Thyroid 236. Which is the metal contained in hemoglobin? ​Iron 237. What is the disease in which the outer part of the brain becomes swollen? ​Meningitis 238. From where did the word ‘protein’ originate? ​From Greek ‘protos’ meaning ‘first’ 239. Which is the name given to the branch of study dealing with the health and care of elderly people? ​Geriatrics

240. What happens when there is partial or complete blockage in the blood circulation in coronary artery? ​Heart attack 241. What is the technical name given to the removal of tissue or build from a living body for Diagnostic examination? ​Biopsy test 242. Who invented oral contraceptive pills? When? ​Gregory Pincus (USA) in 1955 243. Name the Russian scientist who discovered ‘Conditional Reflex? ​Ivan Pavlov 244. It is a group of hormones secreted inside the brain and nervous system. They activate the body’s opiate receptors resulting in an analgesic effect. What is this hormone? ​Endorphin 245. Which is the biggest blood vessel in the human body? ​Iorta 246. Who is the ancient Indian physician considered to be the father of plastic surgery? ​Susruthan 247. From which animal was the Rh factor first extracted? ​Monkey 248. Which is the cancer commonly seen related to smoking? ​Lung cancer 249. Which part of the body is affected the most by alcohol? ​Liver 250. What kind of animal was ‘dolly’ which was created through cloning? ​Sheep 251. What is the acid formed in the stomach? ​Hydrochloric acid 252. Which is the hormone that grows mustache and makes baldness in man? ​Testosterone 253. What will be the length when all the blood vessels in the human body are added together?

1​ .200,000 km 254. What is BSE (Bovine Spongiform Encephalopathy)? ​A brain disease in cattle, also known as mad-cow disease 255. Which is the hormone that induces to increase the quantity of acid in stomach? ​Gastrin 256. Which is the colourless blood cell containing a nucleus whose function is to make antibodies And to remove cell debris? ​White blood corpuscle 257. Which part of human body remains undamaged even after thousand years? ​tooth 258. Which is the gland that controls the quantity of calcium in blood? ​Parathyroid gland 259. Which branch of medicine deals with childbirth and associated processes? ​Obstetric 260. Who discovered insulin for diabetes? When? ​Banting & Best (Canada) in 1921 261. How many blood red cells are there in human body? ​In man 25 lakh crores in woman 17 lakh crores 262. Proteins are made of which chemical substance? ​Amino Acids 263. What is the name of the graph that records the electric waves in human body? ​Electro Encephalo Gram(EEG) 264. When did World Health Organisation come into existence? ​7 April 1948 265. Which is the stone commonly seen in kidney? ​Calcium oxalate 266. What is the major component of the bone and tooth? ​Calcium phosphate 267. Which is the branch of biology relating to blood? ​Haematology 268. What is the name given for the membranous sack enclosing the heart?

​ ericardium P 269. Which corpuscle is larger? ​White corpuscle 270. Which is the vitamin contained in large quantity in gooseberry? ​Vitamin C 271. What is the normal method of the body to control temperature? ​Sweating 272. Which organ produces sperm? ​Testicles 273. How big is the cell in human body? ​From 10 to 100 micron 274. Which is the hormone produced by thyroid gland that controls the speed of metabolic activities in the body? ​Thyroxine 275. Which is the system of curing diseases that Samuel Hanniman founded in 1796? ​Homeopathy 276. What is the technical name for the disease German measles? ​rubella 277. How many amino acids are there in the body? ​20 278. Which is the vitamin kept in liver? ​Vitamin A 279. There are a lot of useful bacteria living in our body. Where do they live? ​In the large intestine 280. What is the average length of cessophagus? ​25 cm 281. What is the total quantity of iodine in the body? ​About 50 mg 282. When is World Health Day? ​April 7 283. Which blood group is seen among most of the people? ​O positive 284. What is the normal blood pressure of man? ​From 100/70 mm mercury to 140/90 mm mercury

285. Which is the metal contained in psychiatric drugs? ​Lithium 286. What is the heart beat of healthy man in one minute? ​72 times 287. What is the name of the arteries that supply blood to the heart? ​Coronary arteries 288. In India what is the main reason for blindness? ​Cataract 289. In our country there is legal validity to abort pregnancy according to MTP (Medical Termination of Pregnancy Act). This can be done up to how many weeks? ​20 weeks 290. How many salivary glands are there in the human body? ​3 pairs 291. Which enzyme in salive changes carbohydrate into maltose? ​Ptyalin 292. Parkinsons disease is caused by the retardation in the production of which chemical substance in the brain? ​Dopamine 293. Protein is consisted of which elements? ​Carbon, hydrogen, oxygen, nitrogen 294.Who discovered vitamin D? When? ​Mc Collum (USA) in 1o25 295. Which are the parts in the human body that grow throughout the life? ​Hair and nail 296. It is an inheritable disease usually affecting only males because of a deficiency of factor 8. What is the name of this disease? ​Haemophilia 297. What is the difference between histology and histopathology? ​Histology is the microscopic study of normal tissues of the body. Histopathology is the Microscopic study of tissues which are affected by tissues 298. They are small non-nucleated oval or round cells. They are capable of

sticking together and Prevent bleeding by forming a physical barrier. What are they? ​Thrombocytes 299. 12 million people are suffering from this disease worldwide. It is a progressive, degenerative disease of the brain in which brain cells die and are not replaced. What is this disease? ​Alzheimer’s disease

PLANTS 1. Who is considered to be the father of botany? ​Theofrastus 2. Which is the substance that gives pleasant smell to pineapple? ​Ethyl Butyrate 3. A plant kept in a dark cell tends to grow into the direction of light. What is the reason behind this phenomenon? ​Phototropism 4. Which is the form of sugar found in fruits? ​Fructose 5. Which is the bacteria in the soil that can absorb nitrogen? ​Acetobactor 6. Which are the plants known as cleaning workers in the nature? ​Fungi 7. What is the name of this system in which a tree is dwarfed by special methods of cultivation and grown in a pot? Where did this originate? ​Bonsai, originated in Japan 8. Which is the chemical substance that makes chilly pungent? ​Capasaicin 9. Which is the group of plants having no flowers or seeds? ​Cryptogam 10. From where do plants get carbon dioxide? ​From atmosphere 11. Which is the gas that plants use for making food? ​Carbon dioxide 12. Which is the birth place of mango tree?

I​ ndia 13. How many kinds of plants are there in the world? ​More than 3,50,000 14. Which is the spice that India produces most? ​pepper 15. Who proved that there are bacteria which are useful to man? ​Louis Pasteur 16. Which is the acid contained in gooseberry? ​Ascorbic Acid 17. A most important spice having medicinal properties is widely cultivated in Kerala. Which is that? ​pepper 18. In which plant group is bamboo includes? ​grass 19. Which is the plant that grows quickest? ​Bamboo 20. In India 75% of the spices comes from one particular state. Which is that state? ​Kerala 21. Which is the birth place of coffee? ​Arabia 22. In which plant group is cactus included? ​Xerophytes 23. In Dutch language there is a flower meaning ‘turban’. The shape of the flower is an upside down turban. Which is that flower? ​Tulip 24. Tulip is the national flower of which country? ​Holland 25. Which is the state that produces sugarcane the most? ​Tamil Nadu 26. Who introduced the cashewnut tree? ​Portugese 27. Which is the birth place of cashewnut tree? ​Brazil 28. In the production of sugar which place India has got among the world

nations? ​ econd S 29. Which is the biggest rain forest in India? ​Silent valley 30. An enzyme which helps digestion is amply seen in pineapple. Which is that? ​Bromaline 31. From which tree do we get turpentine? ​Pine 32. India’s 90% of rubber is produced in Kerala. Which are the other two important states that cultivate rubber? ​Tamil Nadu, Karnataka 33. Which is the state that stands first in the production of cotton cultivation? ​Punjab 34. Which is the birth place of rice? ​South East Asia 35. What is the scientific name of rice? ​Orisa Sativa 36. Where is international Rice Research Institute (RRI) situated? ​Los Banos (Philippines) 37. Which is the birth place of potato and tomato? ​Peru 38. Which water plant has no flowers? ​Hydrilla 39. Which is the single cell plant that changes its shape in accordance with its living circumstances? ​Astabularia 40. Who is the father of biology? ​Aristotle 41. Which plant has the biggest leaf? ​Victoria regia it is in the lotus family 42. Which is the cereal crop cultivated in large areas in India? ​Rice but wheat is produced most 43. Why does it itch when we cut elephant yam? ​Because of the presence of calcium oxalate

44. What is the name given to the analysis of natural growth of rings in trees? ​Dendro- chronology 45. What is the name given to a plant, especially a fungus, that feeds on dead and decomposing organic Matter? ​Barley 47. What is the scientific name of coconut? ​Cocos nucifera 48. In which country is groundnut produces the most? ​India 49. What is the longevity of olive trees? ​More than 1000 years 50. Which is the smallest plant? ​Single celled algae 51. Which is the world’s largest flower? ​Rafflesia, a parasitic plant has the largest flower. It grows up to 1 meter in diameter 52. Which is the smallest flowering in plant? ​Wolfia Angusta which is flowing in water. Its width is 0.5 mm 53. From where is the origin of plant? ​From sea 54. In which form does plants absorb iron salts? ​Ferrous bi carbonate 55. Where is the Central Drug Research Institute situated? ​Lucknow 56. Which is the major coffee producing state? ​Karnataka 57. Which is the intoxicating substance contained in coffee? ​Caffeine 58. Which is the plant containing menthol? ​Peppermint 59. From which part of the cotton plant we get cotton fibre? ​From seed 60. In the Bible there is a description about ‘manna’. In which plant group it is included? ​Lichens

61. Which acid does apple contain? ​Malic acid 62. Where is India’s biggest tea plantation situated? ​Kakkajan (Assam) 63. Which hormone is responsible for the blossoming of plants? ​Florigin 64. Which are the plants that produce most attractive flowers among plant kingdom? ​Orchids 65. Which is the flower that we use as food? ​Cauliflower 66. What is the name given to the phenomenon consisting of two or more embryos on the same seed of flowering plants? ​Polyembryony 67. On which leaves does silkworms feed? ​Mulberry 68. Which is India’s first biosphere reserve? ​Nilgiri 69. What do we call an expanse of grassland dotted with trees or bushes or without trees, found in hot countries especially in Africa? ​Savanna 70. Which part of the gives us jute? ​Stem 71. What is the name given to the part of Botany relating to structure of seeds and seed vessels? ​Carpology 72. Which is the substance that bacteria defecate in human body? ​Toxin 73. Which is the bacteria that turn milk into curd? ​Lacto bacillus 74. Which is the plant that eats small insects swimming on the surface of water? ​Utricularia 75. Which is the plant that travels? ​Clamidomonous

76. There is unicellular algae in the sea. What is its name? ​Diatom 77. After eating gooseberry when we drink water feel a kind of sweetness. What are the compounds Responsible for this sweetness? ​Polyphenolic compounds 78. Which is the plant that does disperses through water? ​Cerbera odollam 79. Which is the plant that collects food in its trunk? ​Sugar cane 80. Which is the element seen most in plants? ​Carbon 81. Which are the colors that take major part in photosynthesis? ​Blue, red 82. What is the substance responsible for the poisonous content of tapioca? ​Cynide 83. Which is the official flower of Kerala? ​Cassia 84. Which is the food produced most in India? ​Mango 85. Which part of onion is used for eating? ​Stem 86. The seed of herb Datura contains a medicine of alkaloid. Which is that? ​Atropin 87. What is the percentage of forest in Kerala? ​28.18% 88. Which is the crop planted in April or May before the monsoon and gathered in the autumn? ​Karif 89. Which is the crop gathered in the spring usually wheat, battery and tobacco? ​Rabi 90. What is Cuttack famous for? ​Central Rice Research Institute 91. Where is the Sugarcane Breeding Research Institute situated? ​Coimbatore

92. Which is the major state that produces ‘basmati’ rice? ​Uttar Pradesh 93. Which is the state that produces cashewnut the most? ​Kerala 94. What is the name given to an organism living on another and benefiting at the expense of the other? ​Parasite 95. A camivorous pitcher plant eats insects by trapping then in its leaf. What is its name? ​Nepenthes 96. What is the name given to hastening the development of seeds and seeding in treating them in various ways before planting by subjecting them to low temperature? ​Vernalisation 97. The tallest and heaviest tree in the world has a height of 83 meters and a weight of 2145 tonnes. Its thickness is 24.11 meter and is 4000 years old. What is the name of this tree and where is it situated? ​Sequoia Dendron gigantium in California 98. What is the name given to the process of cell germination in a sterile medium? ​Tissue culture 99. Name a plant having no chlorophyll: ​Mushroom 100. Which are the agents of pollination in plants? ​Wind, water, insects and birds 101. Which is the plant that depends upon the roots of other plants for food? ​Sandal tree 102. Which is the tree that means ‘the date fruit of India’ in Arabic? ​Tamarind 103. Which is the tree that gives out the most oxygen? ​Baniyan tree 104. Which is one of the plants necessary for rayon industry? ​Bamboo 105. Which is the plant that gives indication of metal deposit in the soil? ​Californian Emoltia

106. Which is the pigment responsible for the color of flowers? ​Anthocyanin 107. What is the name given to fine tubular outgrowths as branches of main roots? ​Root hair 108.Where is the Central Laboratory situated that gives ‘Agmark’? ​Nagpur 109. Which is India’s greatest institution that gives agricultural loans to farmers? ​NABARD 110. Which is the plant that use ammonia directly? ​Paddy 111. Which is the algae that astronauts take with them? ​Chlorella 112. Where is the birth place of the sunflower? ​Central America 113. According to Ayurvedic concept which is the best among the fruits of the creeping plants? ​Gourd 114. Which is the official tree of Kerala? ​Coconut tree 115. There is an algae which produces a chemical substance which is able to resist fire. Which is that? ​Diatom 116. Which agricultural production is known as ‘black gold’? ​Pepper 117. In Kerala which tree is considered to be India’s tree in ‘heaven’? ​Coconut tree 118. Which is the state that produces silk the most? ​Karnataka 119. Which is the plant responsible for the green color of pond’s water? ​Chlorella 120. What is scientific name of mango? ​Mangifera indica 121. Among jute, flax, coir and cotton which one is able to resist sea water? ​Coir 122.The aromatic underground stem of a plant is used as a spice and yellow

dye. Which is that? ​Turmeric 123. Where is the Central Institute of Technology situated? ​Lucknow 124. Where is the biggest banian tree in the world situated? In the National Botonical garden of Kolkkatta. It occupies one and half acres and has more than 1800 supporting roots 125. What is amber? ​Mineralised resin of extinct pine trees 126. When apple is cut and kept open, it becomes brown. Why? ​The ferrouns iron in apple becomes ferric iron 127. Name the world famous Keralite scientist who made a beginning in ethno botany in Indian? ​Dr. E.K janaky Ammal (1897-1984) born in Telichery 128. Which is the most nutritious fruit? ​Avocado grown in America. Its calories value is 740. The calorie value of cucumber is ​Just 73 129. Which plant reproduces by the leaf? ​The air plant 130. Which place has India got in the production of coconut? ​Third place 131. Which is the plant that is capable of fermenting carbohydrates used in brewing and baking? ​A single celled fungi called yeast 132. What kind of bacterium is usually found in hay? ​Clostridium 133. Which is a parasitic plant having no leaves? ​Malarchy 134. Name the natural dye that we get from lichen which is a combination of fungus and algae? ​Litmus 135. Which is the activity of plants that helps to reduce the quantity of carbon dioxide in the air? ​Photosynthesis

136. Which is the hormone contained in tender coconut water? ​Cytokinin 137. Which are the chemicals that prevent the growth of bacteria? ​Antiseptics 138. Name a plant which disperses by bursting? ​Peas 139. Which are the two countries that use water weeds as food? ​China, Japan 140. Which element of metal is contained in chlorophyll? ​Magnesium 141. Which is the plant that reduces its crop when bloomed? ​Sugar cane 142. Which is the birth place of coconut? ​Malaysia 143. Which is the gas that leaves let out at night? ​Carbondioxide 144. In which color of sunlight does photosynthesis take place the least? ​Yellow 145. How many percentage of forest is required for the climatical and geographical stability of region? ​33.33% 146. Which is the largely produced edible oil in India? ​Groundnut oil 147. What is the name given to the art of cultivating fruits, vegetables, flowers etc? ​Horticulture 148. What is the name given to the cultivation of forest trees, or the management of woodland to produce Limber? ​Silviculture 149. Which state is the major producer of groundnut? ​Gjjarat 150. What is the name given to the art of growing plants in sand, gravel, etc. or chemical solutions with nutrients but without soil? ​Hydroponics 151.What is the reason of color change when banana ripers?

​Because chloroplasts change into chromoplasts 152. How many kind of fungi (funguses) are there? ​More than 80,000 153. A plant without leaf, stem and roots it doesn’t bloom. It cannot make food independently. It feeds on organic matters. Yeast, mushroom etc are included in this. Which is this plant? ​Fungus 154. Which is the lifeless part of a plant cell? ​The cell wall made of cellulose 155. What is the peculiarity of drosera plant? ​The sundew genus of insectivorous plants 156. Which are the most known of funguses? ​Mushrooms 157. Give the name of a plant which collects water in its leaf pits? ​Till and sia 158. From where does the desert plants receive water as there is no rain in the deserts? ​From atmosphere 159. Which are the unicellular plants? ​Bacteria, yeast 160. Where is the ‘National Dairy Research Institute’ situated? ​Karnal (Hariyana) 161. A world famous Keralite scientist gave leadership for ‘Green Revolution’ in India. What is this name? ​M.S Swaminathan 162. Which is the acid that is added to rubber milk for solidifying? ​Formic acid 163. Which tree gives us the biggest fruit? ​Jack tree 164. From urea used as manure, which is the major nutritional element that plants receive? ​Nitrogen 165. Which is the fruit that is cultivated the most in India? ​Apple 166. How much calorie is contained in 100 gm of tender coconut water?

1​ 74 calorie 167. Which is the cereal crop that increased the most as the result of the ‘Green Revolution’? ​Wheat 168. In the production of cereal crops which state stands first? ​Uttar Pradesh 169. Which is the crop that originated in Peru and Brazil but is being chiefly cultivated in India? ​Ground nut 170. Where is the Forest Research Institute situated? ​Dehradoon 171. Which is the major state that produce jute? ​West Bengal 172. Which is the peculiarity of the plant Victoria lily? ​The biggest leaf in the world is of this plant 173. What is the difference between night blooming and day blooming flowers? ​Night blooming flowers have pure white color and extreme aroma 174. According to the theory of evolution, which group of plants in the evolutionary state decorates higher position? ​Blooming plants 175. Which is the chemical that gives smell flowers? ​Ester 176. Which is the chief source of iodine? ​Brown algae 177. Which is the chemical responsible for the pesticide property of honey? ​Hydrogen peroxide 178. A drug ‘quinine’ is used to treat malaria. From which tree is quinine obtained? ​Cinhona 179. Nearly how many years before did cashewnut tree reach Kerala? ​450 180. What is the name of the Indian scientist who tried to find out that plants too have feelings? ​J.C Bose 181. What is the name of the scientist who proved that bacteria is a plant?

Karl Wilhem Von Nigol 182. Which is the alkaloid contained in tea? ​Theine 183. Where did clove start to be used as spice crop for the first time? ​In chine 184. What is the name of the scientist who detected the bacteria that causes leprosy? ​G.R Hansen 185. Who discovered bacteria? When? ​Leeuwenhock (Netherlands) in 1683 186. Which is the acid contained in orange? ​Citric acid 187. Which is the birth place of orange? ​China 188. Which is the national flower of India? ​Lotus 189. Which is the substance that gives green color to leaves? ​Chlorophyll 190. A vegetable which we commonly use collects food in its leaves. Which is this plant? ​Cabbage 191. From which part of the plant jute id obtained? ​From stem 192. When it rains in summer a particular smell rises from the soil. Which carbonic compound is responsible for this? ​Humus 193. Which is the birth place of tamarind? ​Africa 194. Who introduced the system of scientific classification of plants? ​Carolous Linaes 195. Which is the birth place of papaya? ​America

THE SOLAR SYSTEM 1. What is the sun, the planets around the sun and the satellites around the

planets are jointly called? ​Solar system 2. Why does the planets in the solar system move in a regulated path? ​Because of the gravitational force of attraction of the sun 3. What is the average distance from the earth to the sun: (a) When the sun is neared to the earth? (b) When the sun is at the longest distance from the earth? ​(a) 1470970000 km (b) 152099000 km 4. What is cosmic year? ​The revolution of the solar system around the centre of the milky way. Time takes for one revolution is 230 million years. 5. What are sun spots? ​The black dots appear on the sun 6. When was the largest sun spot detected? What is its size? ​On 8th April 1974. It covered an area of 7000 millions sq miles 7. What is the temperature at the core of the sun where the nuclear reaction takes place? ​Around 15 million “K 8. What is solar eclipse? What is its duration? ​When the sun, the Earth and the Moon come in a straight line with the moon in the middle, the people of earth will not be able to see the sun clearly for a short time. This is called solar eclipse ​Its duration is 7 m 31 seconds 9. What are planets? ​Planets are heavenly bodies (including earth) within the solar system, which revolve round the ​Sun in definite orbits. 10. How many planets are there? Which are they? ​Nine, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto 11. What is the difference between a star and a planet? ​Stars give of heat and light whereas planets do not 12. Which is the largest planet in the solar system? What is its diameter? ​Jupiter, diameter 143000 km

13. Which is the hottest planet? ​Venus (10000F) 14. Which is the coldest planet? ​Pluto 15. Which is the heaviest planet? ​Jupiter 16. Which is the lightest planet? ​Mercury 17. Which is the brightest planet? ​Venus 18. Which is the nearest planet to the sun? ​Mercury 19. What is the diameter of the sun? ​60000 light year 20. What is the mass of the sun? ​332946 times than the earth 21. Which are the four planets in the solar system smaller than the earth? ​Mercury, Venus, Mars, Pluto 22. Which are the four planets in the solar system greater than the earth? ​Jupiter, Saturn, Uranus, Neptune 23. Who was the first to prove the Copernican theory of solar system? ​Kepler 24. Which is the largest satellite in the solar system? ​Titan (The satellite of Saturn) 25. Who made the first recorded prophecy of eclipse in the history? ​Thales, the Greek philosopher in BC 585 26. Which are the planets that do not have satellites? ​Mercury, Venus 27. Which is the only heavenly body in the solar system that has its own brightness? ​Sun 28. Which is the only satellite that is proved to have atmosphere? ​Titan (the satellite of Saturn) 29. Which is the planet with the least mass? ​Mercury 30. Which is the fastest orbiting planet?

​ ercury M 31. What is the diameter of Mercury? ​4880 km 32. Which planet revolves round the sun in the shortest time? ​Mercury 33. Which are the satellites of Mercury? ​It has no satellites 34. What is the mass of the Mercury? ​1/8 part of that of the Earth 35. Which is the brightest planet next to sun and moon? ​Venus 36. Which planet is the closed to earth? ​Venus 37. What is the temperature in the Venus? ​About 462”C 38. Which is the planet that rotates backward? ​Venus 39. Where is the orbit of the Venus? ​Between the earth and Mercury 40. When was the information from the Venus first sent to the earth as radio waves? ​14 December 1962 (By Mariner -2 of USA) 41. When did Mars-2 of Russia land on the Mars? ​7 December 1971 42. Which space craft conducted the test series by America to gather data regarding the Mars? ​Mariner 43. Which are the satellites of Mars? ​Deimos, Phobos 44. Which is known as the red planet? ​Mars 45. Which planets atmosphere is similar to that of earths? ​Mars 46. What is the weight of the Mars? ​1/10 of that of the earth 47. Who discovered the existence of water vapour in the Mars?

​ uggins (1867) H 48. Who detected the dark areas on the surface of the Mars? ​W.H. Pickering 49. Which are the mountains seen in Mars? ​The great Marian mountain, Nix Olympic (a volcanic mountain) 50. The snows of the Mars are transformed into water vapour without melting into liquid. Why? ​Because the temperature and pressure are very low 51. Which one of the satellites of the Jupiter was the first to be discovered? Who discovered it? ​Discovered by Galileo in 1610 52. How many satellite are there for the Jupiter? ​16 53. What is the diameter of the Jupiter? ​142 km 54. Which are the gaseous mixture that envelops the Jupiter? ​Helium, Hydrogen, Ammonia, Methane 55. Which is the second largest planet? ​Saturn 56. What is the diameter of the Saturn? ​12070 km 57. How many satellites are there for Saturn? ​21 58. Who first observed the Saturn through a telescope? ​Galileo 59. Which is the biggest satellite of the Saturn? ​Titan 60. What is the time required for the radio message sent from the Saturn to reach the earth? ​86 minutes 61. Who discovered the Uranus? ​Sir William Herschel (Britain) in 1781 62. What is the diameter of the Uranus? ​51800 km 63. What is the name of the space vehicle sent to the Uranus by America? When? ​Voyager 2, on 20 August 1977

64. How many satellites are there around Uranus? What are they? ​5. They are Ariel, Umbriel, Titania, Oberon and Miranda 65. Who discovered the Neptune? When? ​Leverrier (France) and Adams (England) on 23 Sept 1845 66. What is the distance of the Neptune from the sun? ​4496.5 million km 67. What is the diameter of the Neptune? ​49500 km 68. How many satellites does the Neptune have? ​Four 69. What is the temperature of the Neptune? ​33”F 70. When was the Pluto discovered? By whom? ​In 1930 by William Tombaugh at Lowell Observatory (U.S.A) 71. Which is the outermost planet in the Solar system? ​Pluto 72. What is the diameter of Pluto? ​3000 km 73. Which is the planet with the largest elliptical shape? ​Pluto 74. What are asteroids? ​They are group of tiny planets numbering about 45000 which revolve round the sun in between ​The orbits of the Mars and the Jupiter 75. Who discovered the largest asteroids ‘Ceres’? ​Giuseppe Piazzi (Italian) 76. Which is the only satellite of earth? ​The moon 77. Who proclaimed first that the moon is a planet like the earth? ​Galileo 78. What is the diameter of the Moon? ​34750 km 79. What is the size of the Moon? ​About 1/5 of the size of the earth 80. What is the distance between the Earth and the Moon? ​(a) 356410 km (b) 407696 km 81. What is the weight of the moon?

1​ /8 of the Earth 82. Which are the highest mountains on the Moon? ​(1) Liebnitz Mountains (35,000 ft) it is higher than Everest (2) Descarts Highlands (25638 ft) 83. What is the day time temperature and the night temperature on the moon? ​Day time: rises upto 1000 C. Night: comes down to minus 1800 C 84. What is the time required by the moon for one revolution around the earth? ​271/2 days 85. What is the time required by the moon to rotate on its own axis? ​291/2 days 86. Which is the deepest crater in the moon? ​Newton crates 87. When the earth comes between the sun and the moon, the shadow of the earth falls on the moon. What is this phenomenon called? ​Lunar eclipse 88. What is the average distance (from centre to centre) from the Earth to the Moon? ​384400 km 89. What is the date on which man landed on the Moon? ​21 July 1969 90. What is the unknown mineral found in Moon? It is named after whom? ​Armalcolite. It was named after the astronauts Armstrong, Aldrin, Collins and the name of the ​Area Tranquillititis.

SPACE RESEARCH 1. What is the significance of international Geophysical year? ​It is this period that the major space travels and researches have been initiated 2. Name the first nation which sent an artificial satellites into the orbit? ​Russia 3. Who was the first American launched in a spaceship? ​John H. Geln

4. When did man reach the space for the time? ​12 April 1961 5. Who are the space couples? ​Andrin Nikaloyyev and Valentina Tereshkova 6. Who was the first lady that reached the space? ​Valentina Tereshgkova, June 16 1963 7. Which is the great joint space programme sponsored by Russia and America? ​Apollo-17 Soyac-19 were sent into the orbit on 15th July 1975 8. When did man first on the moon? ​July 21 1969 9. Who was the first cosmonaut? ​Yuri Gagarin. He later died in a jet plane crash near Moscow on 27th March 1968 10. Name the first Indian who reached space: ​Rakesh Sharma (1984) 11. Who is the father of space science? ​Konstantine Tsialkovsky (Russia) 12. Name the first man who died (23 April 19867) amidst space travel? ​Colonel Komerov 13. Which is the first artificial satellite put into orbit? When? ​Sputnik (Russia) on 4 Oct 1957 14. Name the first American who entered space: ​Allan Shepherd on 5 May 1961 15. Which is the first animal that reached space? ​The dog named Laika (November 1957) 16. Who is the oldest cosmonaut? ​Dr. William Thornton (USA) 17. Who is the first man to walk in space? ​Aleksey A Leonov (Russia) on 18 March 1965 18. Who spent the longest time in space? ​Russian cosmonauts Vladmir Jitov and Musa Manarov. They spent 366 days 19. Which rocket sent ‘Insat 1A’ into the orbit? ​Delta 3910 of of NASA 20. Name the first man who walked on the moon: ​Niel Armstrong followed by Aldrin on 21 July 1969

21. Which was the vehicle used for landing on the moon? ​Apollo-11 22. Name the first unmanned space vehicle which landed in the moon: ​Luna-9 (Russia) on 31 Jan. 1966 23. Which unmanned space vehicle fetched rock pieces from the moon? ​Luna-16 on 12 Sept 1970 24. When did China launch the first ‘Space Physics Experiment Satellite’? ​23 Sept 1981 with a single carrier rocket 25. When was the first American rocket launched? ​16 March 1926 26. Which satellite approached the Jupiter and conducted experiments for the first time? ​Pioneer-30 (USA) on 3 Dec 1973 27. Which is the first artificial satellite launched to the Mars? ​Mars III (Russia-1971) 28. Which was the first artificial satellite launched to the Venus? ​Venus-3 (Russia-1966) 29. When was the American space shuttle ‘Challenger’ launched? ​18 June 1983 30. Which is the first communication satellite? ​Echo (USA) 31. Which nation launched Skylab-2 and Skylab-3? ​USA 32. Name the year in which magnetic observations were started in Mumbai and Thiruvananthapuram? ​1841 33. In which year was the solar observatory in Kodaikanal founded? ​1829 34. In which year was the Meteorology Department founded? ​1875 35. In which year was atmosphere observations using balloons started? ​1964 36. When was the administrative control of TERLS (Thumba Equatorial Launching Station) entrusted to Physics Research Laboratory, Ahmedabad)? ​Nov. 1963 37. In which year old a team of UN scientists visit Thumba?

​1964 38. When was the Meteorological unit founded in Bangalore Science Institute? By Whom? ​1940 By Dr. Homi Bhaba 39. When and where was the Tata Institute of Fundamental Research founded? ​At Mumbai in 1958 40. When was ‘Thumba Equatorial Rocket Launching Station’ dedicated to UN as an international Institution? ​2 Feb 1968 41. In which year was ISRO (Indian Space Research Organisation) formed? ​1969 42. Who designed the primary blue print of the Indian Space Programme? ​Dr. Homi Jahangir Bhaba 43. Which developed the primary blue print of the Indian Space programme? ​Dr. Vikram Sarabhai 44. When was Vikram Earth Station (Satellite Communication Ground Station) near Puna founded? ​1971 45. Who was the first to see craters in moon? ​Galileo 46. Where is the headquarters of ISRO (Indian Space Research Organization) situated? ​Banglore 47. Which is the location of Vikram Sarabhai Space Centre? ​Thumba in Thiruvananthapuram 48. When was the first orbit launched from Thumba? ​21 Nov 1963 49. When was the Indian made rocket ‘Rohini’ launched from Thumba? ​20 Nov 1967 50. When was the first satellite of India, ‘Aryabhatta’ launched? ​10 April 1975 51. From where was ‘Aryabatta’ launched? ​From Russia by a Russian Vehicle 52. Which country gave the technical advice for the developing and launching of Aryabhatta?

​ ussia R 53. Which was India’s second satellite? ​Bhaskara 54.What was the weight of Bhaskara? ​444 kg 55. What was the time taken by Bhaskara for one revolution around the earth? ​92 minutes 56. When was India’s third satellite Rohini launched? From where? ​July 1980 from Sriharikotah 57. What is the name of the first test communication satellite of India? ​APPLE (Ariane Passenger Pay Load Experiment) 58. When was APPLE launched? ​19 June 1981 59. Which rocket led APPLE to space? ​Ariane (carrier rocket for European Space Agency) 60. Which satellite first relayed television? ​Telstar 61. Which is the first artificial satellite of America? When did it reach the orbit? ​Explorer-1 on 31 Jan 1958 62. In which year was Physical Laboratory in Ahmedabad founded? By whom? ​In 1948 by Dr. Sarabhai & R. Ramanathan 63. Which is the first American space ship that landed in moon? ​Surveyor-1 64. Which was the first space ship that landed in Mars? ​Viking 65. Which is the birth place of V-2 rocket? ​Germany 66. Name the first cosmonaut who walked in space (in 1956)? ​Alexliyonov 67. What is the time required for a radio wave to reach the earth from moon? ​1.28 second 68. A space ship which was launched in 1972 has left behind the solar system so as not to return. Which is that space ship?

​ ioneer-10 P 69.What is the major difference between remote sensing satellite and communication satellites? ​Remote sensing satellites travel in the orbit closer to the earth’s surface. Communication Satellites travel far away orbits 70. Yuri Gagarin, the first man to reach space, saw more than one sunset in one day. What is the reason? ​Earth requires one day to revolve itself for one time. Yuri Gagarin rounded the earth more than once in a day. So he could see more one sunset. 71. How do the travelers in the space communicate to one another? ​Through radio messages 72. Which is the institution in India that undertakes the control of satellite after their launching? ​The Master Control Facility in Hassan in Karnataka 73. What is the major reason for selecting Thumba as the centre for launching rockets? ​Thumba is an equatorial region. Most of the experiments in Thumba are concerned with the magnetic properties of earth. 74. Which is the biggest rocket that has been used for launching satellites? ​Saturn -5 75. Which are the space shuttles of America? ​Columbia, Discovery, Atlantis 76. After Valentina Tereshkova, who was the second female cosmonaut? ​Svetlana Savitskaya (Russia) 19 Aug 1982 77. When was Freighter the first automatic space craft of Soviet Union, launched? ​20 Jan 1978 78. What was the name of Rakesh Sharma’s space vehicle? ​Soyuz T-11 79. Who was the first man to drive a vehicle in the moon? ​James Irwin 80. Which is the first thing made in the space? ​Plastic pearl 81. Name the only geologist who reached in the moon?

​ arrison H Schmit H 82. Which was the satellite used for education programmes in India? ​ATS-6 83. Which nation launched satellite for the first time among Asian countries? ​Japan 84. From which language the word ‘rocket’ orginated? ​Italian 85. Which fuel is used to launch rocket? ​Either one of these liquid hydrogen, liquid oxygen, nitrous oxide 86. Which place is known as India’s space harbor? ​Sreeharikotta 87. Who was the first to launch rocket? ​Robert Hutchings 88. Thousand years ago a country made rocket using gunpowder as fuel. Which was that country? ​China 89. By this time Hubble telescope has sent 4.2 lakh pictures to the earth and has held 3200 scientific studies. When was Hubble telescope launched to the space? ​24 April 1990 90. The first organization of astronauts was formed in 1927. In which country? ​Germany

TECHNOLOGY 1. Which is the first company that manufactured type writer? ​Remington 2. Who invented the first practical type writer? ​Christopher Showls 3. What is the ‘FM’ radio? ​Frequency Modulation 4. When was the printogram introduced? ​In August 1956 5. When was the first telegraph line introduced in India? ​1851 6. When was the first telephone exchange opened in India? ​1881 (Kolkatta)

7. When did the telex system come into being? ​24th June 1963 8.Where was the lift system introduced in India for the first time? ​At Kolkatta Rajbhavan 9. The building ‘Pantheon’ constructed in temple style architecture in AD 126 still exists. Where is it? ​Rome 10. Who invented the telephone? ​Alexander Grahambel (1876) 11.When was the satellite communication system introduced? ​On 2nd February 1971 at Arvi near Poona 12. Which was the first artificial satellite launched for telecommunication? ​Telstar 13. What is the name of the telescope which is set up in space? ​Hubble space telescope 14. Where did the first correct television broadcast start? ​At Alexandra Palace in London, in 1936 15. Who were the advocates of architectural ‘Post modernism’? ​Robert Ventury & Charles Marine 16. Where did the cell phone service start for the first time on commercial basis? ​Chicago 17. What are the three kinds of switching instruments in telephone? ​Manual Electro Mechanical Electronic 18. Which is the free E-mail website under the ownership of Microsoft company? ​Hotmail 19. Which is the first commercial communication satellite in the world? ​Intelsat-1 20. Which is the medium of satellite communication? ​Microwave 21. Which are the three kinds of media in telephone? ​Metallic line, Radio optical, Fibre cable 22. Who mad the beginning for architecture? When? ​Egyptian’s in B.C 3000 23. What is the name of the system of taking most modern three dimensional

pictures in photography? ​Holography 24. When did P&T department start in India? ​15th December 1959 25. What is the name given to the use of biological processes in the field of industry and medicines especially antibiotics? ​Biotechnology 26. What is the peculiarity of a nuclear clock? ​It is the most accurate. 17 crore years will take to have a second’s difference 27. When was the radio broadcasting started in India? ​In 1927 at Mumbai & Kolkatta 28. What is telecommunication integration? ​Doing different works in the same line 29. What was the invention that made a great change in the field of telecommunication? ​Digital transmission 30. Which is the company that developed mouse for the first time? ​Xerox 31. Name the scientist and science fiction writer who is also the inventor of the word ‘Robotics’: ​Issac Assimov 32. Which are the major factors that change the sound in telephone to electric wave and the electric wave into sound wave? ​Microphone, loudspeaker 33. Which is the biggest man made structure that we can see viewing from an aeroplane? ​The Great Wall of China 34. Give three examples for terminal instruments: ​Telephone, fax machine, computer terminal 35. Which is the latest invention in scanners? ​NMR (Nuclear Magnetic Resonance) 36. Which are the precursors of telephone? ​Megaphone, speaking tube 37. Where was the first telephone exchange established?

​ ewheaven,Connecticut (USA) N 38. In India between which cities was STD connection established for the first time? ​Lucknow - Kanpur 39. ‘Telex’ is the short form of two words. What are they? ​Telegraph & Exchange 40. What are the services available through internet? ​E- mail, World Web Wide (www), Telenet, FTP, Internet relay chat 41. In TV which part changes video signals into pictures? ​Picture tube 42. Which cooking stove is the fastest one so far discovered? ​Microwave oven 43. Who invented television? When? ​John Legie Baird(Britain) in 1926 44. Where was the first optical fibre cable was established in the world? When? ​California in 1977 45. Who found the radio waves in space in 1931? ​Karl G. Janski 46. What does the VHS in video denote? ​Video Home System 47. Public telephones were set up in railway stations for the first time in a European city. Where? When? ​Paris in 1907 48. What is the name of the aeroplane which travels faster than sound in the air? ​Supersonic plane 49. Silicon dioxide is known in another name which is very popular today. What is that name? ​Quartz 50. What is the speed of jelecon signals? ​About the speed of light 51. In India where did the first cellular phone system begin? ​Kolkkatta 52. When did the renaissance of Roman architecture take place?

​ uring the reign of emperor Constantine (AD 280-337) D 53. ‘Small is Beautiful’ is a famous book on technology and environment. Who is the author? ​E.F Schumaker 54. Cyberspace is the space in which electronic communication takes place over computer networks. What are the other names of this? ​Infoban Information Super Highway 55. What is Wi-Fi? ​It is open standard technology that enables you to build wireless connectivity between laptops and ​local area networks

MATHEMATICS 1. Who is known as the father of modern mathematics? ​Rene Decarthe 2. In roman numerals 100 is represented by what? ​C 3. Algebra was developed and propagated in Europe by the Muslim Moors of North Africa. The word algebra was originated from their name? ​Aljaber 4. The numeral 1729 is mentioned with the name of an Indian mathematician. What is his name? ​Sreenivasa Ramanujan 5. What are Indo-Arabic numerals and Roman numerals? ​Indo-Arabic numerals are in the series 1,2,3……. Roman numerals are in the series I,II,III,IV,V 6. Mathematics is the queen of science and the theory of numbers is the queen of mathematics. Who made this statement? ​Karl Fredriech Gouse 7. Which is the last numeral discovered in the world? ​Zero 8. Numbers neigh the world. Who made this opinion? ​Pythagorus 9. Who invented a calculating machine for the first time in the world?

​ laise Pascal B 10. Who is the mathematician known as the ‘Euclid of India’? ​Bhaskaracharya 11. Name the English mathematician who found the genius of Sreenivaramanujan? ​G.H.Hardy 12. Who is the Indian mathematician known as machine brain? ​Sakuntala Devi 13.Who found for the first time that the value of (pi)is 22/7 (3.14)? ​ tolemy of Alexandria (AD 160-165) P 14. From where did the word mathematics originals? ​From the Greek word ‘Mathematica’ which means ‘learned things’ 15. How much is a billion? ​In Britain 1012 In America 109 16. Who found the mathematical symbol = (is equal to)? ​Robert Recorde 17. How many thousands are there in one crore? ​10,000 18. What is the name given to the Chinese children’s puzzle box with seven squares? ​Tamgram 19. Who is the author of the mathematical book Leelavathi written in 12th century? ​Bhaskaracharya 20. In Roman numerical system 1000 is represented by what? ​M 21.What is the double of 1/8? ​1/4 22. Who invented Logarithm? ​John Napier 23. In the numerical system of ancient Chinese civilization a numeral was not included. Which was that numeral? ​O 24. Who is the father of geometry?

​ uclid E 25. Among the authors, who were instrumental in transmitting Indian mathematical knowledge from Arab sources to Europe. Who was the most famous? ​Leonardo of Pisa (AD 1202) 26. What is a figure enclosed by straight lines called? ​Polygon 27. A duodecagon has how many sides? ​12 28. What is the name given to the solid shape that has four equal triangles as faces? ​Tetrahedron 29. Who invented the first mechanical calculator? ​Wilhelm Schickard 30. Who opinioned that ‘no man can be a perfect poet unless he has no knowledge of mathematical? ​John Dryden 31. 1 is the 10% of what? ​10% of 10 32. Which was the most ancient instrument used for calculation? ​Abacus 33. Can you make 100 using five ones? ​111-11=100 34. What is a googol? ​Ten raised to the power of hundred (10100) 35. A clock takes 10 seconds to strike 6. How many seconds it will take to strike 12? ​22 36. Who found the positive (+) and negative (-) symbols in 1489? ​Johan Widman 37. Who found the first electronics calculating? ​John V. Atnasof 38. Where is the Institution School of Mathematics and Computer information Sciences’ situated? ​Hyderabad 39. ‘Ramanujan Institute of Mathematical Science’ is a famous mathematical research centre of India.

Where is it? ​Chennai 40. There is a long queue in front of the ticket counter of a theatre. When counted from both sides Rajeev is the 30th person. Then how many persons were there in the queue? ​99 41. Name the person who is known as the Adam of mathematics’ who has contributed the most to mathematical formulas ​J.J. Silverster 42. ‘Principia Mathematica’ is written by Bertrand Russel in collaboration with A.N whitehead in which year it was published? ​1910 43. Who founded ‘Indian Statistical Institute’ of Kolkatta? ​P.C Mahanalobis 44. Which mathematical branch of studies was formed in the background of Second world war? ​Operation Research 45. It a clock strikes only at hours, how many times it will strike in a day? ​156 46. Which is the biggest numeral that can be made using the digits 0,1,2 only once? ​210=1024 47. Which is the system developed by ancient Egyptians to represent figures and words? ​Hieroglyphics 48. What is the difference between the biggest numeral having 6 digits and the smallest numeral having 7 digits? ​1 49. There are some ladies in a car. They are two mothers two daughter, one grandmother, and one grand daughters, one grandmother, and one granddaughter. What is the minimum number of ladies in the car? ​3

50. Who used the sy mbol +(plus) and minus(-) for the first time? ​G.H.Hardy 51. Rajan types 50 words per minute and Raman types 40 words per minute. How many minutes are required to type 360 words by both? ​4 minutes 52. The price of a paper having 1 metre length and 1 metre breadth is 1 rupee. Then what will be the price of a paper having 2 metres length and 2 metres breadth? ​4 rupees 53. Name the first mathematician who was elected to the ‘Fellow of the Royal Society’ in London? ​Sreenivasa Ramanujan 54. Rajan used to go to his office on foot. One day when he walked at the speed of 3 km per hour he reached the office 10 minutes late. Next day when he increased his speed by 1 km he reached 10 minutes earlier. Then how long is the office from his house? ​4 km 55. What is the name given to a quadrilateral whose two sides are parallel and the other two are nonparallel? ​Trapezoid