| No. | Question | Answer | 
|---|
| 01 | The theory of relativity was propounded by | Albert Einstein | 
| 02 | The principal metal used in manufacturing steel is | Iron | 
| 03 | An altimeter is used for measuring | Altitude | 
| 04 | Oology is the study of | Birds eggs | 
| 05 | Radioactivity was discovered by | Henry Bacquerel | 
| 06 | The metal used in storage batteries is | Lead | 
| 07 | The instrument used to measure the relative humidity of air is | Hygrometer | 
| 08 | Barometer was invented by | Torricelli | 
| 09 | The unit of power is | Watt | 
| 10 | Radium was discovered by | Marie and Pierrie Curie | 
| 11 | The existence of isotopes was discovered by | Frederick Soddy | 
| 12 | Dynamo was invented by | Michael Faraday | 
| 13 | The nuclear reactor was invented by | Enrico Ferni | 
| 14 | The law of gravitation was propounded by | Sir Isaac Newton | 
| 15 | Crescograph was invented by | J.C.Bose | 
| 16 | Crescograph is used to measure the | Rate of growth of a plant | 
| 17 | Galileo’sfirst scientific discovery was | Pendulum | 
| 18 | Microscope was invented by | Aaton Van Leewen Hock | 
| 19 | The scientist who is known as father of modern biology is | Aristotle | 
| 20 | The first person to see a cell under microscope was | Robert Hooke | 
| 21 | The smallest flowering plant is | Worffia | 
| 22 | The four blood groups were discovered by | Karl Landsteiner | 
| 23 | Sodium was discovered by | Sir Humphry Davy | 
| 24 | The atomic number of oxygen is | Eight | 
| 25 | The basic building blocks of proteins are | Amino acids | 
| 26 | The botanical name of the cotton plant is | Gossipium Hirsutum | 
| 27 | An Electroscope is used to | Detect charges on a body | 
| 28 | The unit of loudness is | Phon | 
| 29 | An ammeter is used to measure | Electric current | 
| 30 | Plant that eat insects are called | Insectivorous plants | 
| 31 | Fruits that are formed without fertilization are called | Parthenocarpic | 
| 32 | Plants that flower only once in their lifetime are called | Mono carpic | 
| 33 | The botanical name for rice is | Oryza Sativa | 
| 34 | Penicillin is obtained from | Mould | 
| 35 | The largest tree in the world is | Seguoia Gigantica | 
| 36 | Herpetology is the study of | Reptiles | 
| 37 | Entomology is the study of | Insects | 
| 38 | Ornithology is the study of | Birds | 
| 39 | Ichtyology is the study of | Fishes | 
| 40 | Osteology is the study of | Bones | 
| 41 | The botanical name for brinjal is | Solanum melongenal | 
| 42 | The botanical name for onion is | Allium Cepa | 
| 43 | The study of sound is called | Acoustics | 
| 44 | The study of heavenly bodies is called | Astronomy | 
| 45 | The study of tissues is called | Histology | 
| 46 | Electric Lamp was invented by | Thomas alva Edison | 
| 47 | The fear of crowd is called | Ochlophobia | 
| 48 | The fear of books is called | Bibliophobia | 
| 49 | The fear of going to bed is called | Clinophobia | 
| 50 | The symbol of gold is | Au | 
| 51 | The symbol of sodium is | Na | 
| 52 | The symbol of Sr stands for | Strontium | 
| 53 | The symbol Rb stands for | Rubidium | 
| 54 | The symbol Md stands for | Mendelevium | 
| 55 | Calcium sulphate is commonly called | Plaster of Paris | 
| 56 | Sodium carbonate is commonly called | Washing Soda | 
| 57 | Sodium chloride is commonly known as | Common Salt | 
| 58 | The chemical name of Chloroform is | Trichloromethane | 
| 59 | The chemical name of baking powder is | Sodium bicarbonate | 
| 60 | The chemical name of bleaching powder is | Calcium hypochlorite | 
| 61 | The formula HCL stands for | Hydrochloric Acid | 
| 62 | The formula H2SO4 stands for | Sulphuric Acid | 
| 63 | The formula CHCI3 stands for | Trichloromethane | 
| 64 | The formula H2O2 stands for | Hydrogen peroxide | 
| 65 | A fungus which can only survive on other living organisms is called | Obligate Parasite | 
| 66 | A plant which lives in the dark is called | Scotophyte | 
| 67 | A plant adapted to live in dry places is called a | Xerophyte | 
| 68 | A plant adapted for growth in water is called a | Hydrophyte | 
| 69 | Bifocal lens was invented by | Benjamin Franklin | 
| 70 | Cement was invented by | Joseph Aspdin | 
| 71 | Laser was invented by | Dr.Charles H.Townes | 
| 72 | Electromagnet was invented by | William Sturgeon | 
| 73 | Rayon was invented by | Sir Joseph Swann | 
| 74 | Thermostat is an instrument used for regulating | Constant temperature | 
| 75 | The science of organic forms and structures is known as | Morphology | 
| 76 | Phycology is the study of | Algae | 
| 77 | Tata Institute of Fundamental Research was established in | 1945 | 
| 78 | CSIR stands for | Council of Scientific and Industrial Research | 
| 79 | ISRO stands for | Indian Space Research Organisation | 
| 80 | The first human being to land on moon was | Neil Armstrong | 
| 81 | The first Indian in space was | Rakesh Sharma | 
| 82 | ISAC stands for | ISRO Satellite Centre | 
| 83 | VSSC stands for | Vikram Sarabhai space Centre | 
| 84 | The headquarters of ISRO is located at | Bangalore | 
| 85 | VSSC is located at | Thiruvananthapuram | 
| 86 | ISAC is located at | Bangalore | 
| 87 | National Science Centre is located at | New Delhi | 
| 88 | Central Tobacco Research Institute is located at | Rajahmundry | 
| 89 | Indian Institute of Horticultural Research is located at | Bangalore | 
| 90 | The Atomic Energy Commission was set up in | August 1948 | 
| 91 | The first IndianSatellite was | Aryabhatta | 
| 92 | The first Indian Satellite was launched in the year | 1975 | 
| 93 | ASLV stands for | Augmented Satellite Launch Vehicle | 
| 94 | INSAT stands for | Indian National Satellite | 
| 95 | The fear of women is known as | Gynophobia | 
| 96 | The fear of men is known as | Androphobia | 
| 97 | The scientist who developed the Quantum theory was | Max Plonck | 
| 98 | The steam engine was invented by | James Watt | 
| 99 | The botanical name of tea is | Camellia Sinensis | 
| 100 | Logarithms were devised by | John Napier | 
| 101 | The acid used in a car battery is | Sulphuric acid | 
| 102 | The system for writing by blind people was invented by | Louis Braille | 
| 103 | The parachute was used for the first time by | J.P.Blanchard | 
| 104 | The German physicit who first demonstrated the existence of Radio waves was | Henrich Hertz | 
| 105 | The instrument that records the intensity of earthquakes is | Seismograph | 
| 106 | The laws of floating bodies was discovered by | Archimedes | 
| 107 | The density of milk is measured by a | Lactometer | 
| 108 | Fountain pen was invented by | L.E.Waterman | 
| 109 | The instrument used to measure the pressure of gases is the | Monometer | 
| 110 | Bhaskara I was a famous | Astronomer | 
| 111 | The first atomic power station established in India was the | Tarapore Atomic Power Station | 
| 112 | The role of heredity was demonstrated by | Mendel | 
| 113 | The instrument used to measure the concentration of salt water is the | Salinometer | 
| 114 | Spectroscopy is the study of | Anders John Angstrom | 
| 115 | Dactylography is the study of | Finger Prints | 
| 116 | A tangent galvanometer is used to study the | Strength of direct current | 
| 117 | The fruit of Oak is called | Acron | 
| 118 | ZETA stands for | Zero Energy Thermonuclear Assembly | 
| 119 | The formula C6H5OH stands for | Phenol | 
| 120 | Michael Faraday worked as an assistant under another scientist whose name was | Sir Humphry Davy | 
| 121 | Vulcanised rubber was invented by | Charles Goodyear | 
| 122 | The symbol Zn stands for | Zinc | 
| 123 | The symbol He stands for | Helium | 
| 124 | Celluloid was invented by | A.Parker | 
| 125 | Glider was invented by | Sir George Caley | 
| 126 | Safety matches was invented by | J.E.Lundstrom | 
| 127 | Radio valve was invented by | Sir J.A.Fleming | 
| 128 | Space Applications Centre is located at | Ahmedabad | 
| 129 | Atomic Energy Commission is located at | Mumbai | 
| 130 | Dynamics is the study of | Movements of bodies | 
| 131 | Statics is the study of | Forces acting on bodies at rest | 
| 132 | Mechanics is the study of | Forces acting on bodies | 
| 133 | Zoology is the study of | Animal life | 
| 134 | Botany is the study of | Plant life | 
| 135 | Psychology is the study of | Human mind | 
| 136 | The first American to orbit earth was | John H.Glen | 
| 137 | The electro-cardiograph was invented by | William Einthoven | 
| 138 | The molecular formula of cane sugar is | C12H22O11 | 
| 139 | A compound which contains only hydrogen and Carbon is called a | Hydrocarbon | 
| 140 | The liquid used to preserve specimens of plans and animals is | Formalin | 
| 141 | The law of segregaton was propounded by | Mendel | 
| 142 | Auriscope is used to detect | Ear disorders | 
| 143 | The three states of matter are | Solid,liquid and gas | 
| 144 | The scientific name for blood platelets is | Thrombocytes | 
| 145 | The response of a plant to heat is called | Thermotropism | 
| 146 | The response of a plant to touch is called | Trigmotropism | 
| 147 | The symbol Zr stands for | Zirconium | 
| 148 | Nickel was discovered by | Cronstledt | 
| 149 | Manganese was discovered by | Gahn | 
| 150 | The common name for pottasium carbonate is | Potash | 
| 151 | Bismuth was discovered by | Valentine | 
| 152 | The biggest plant seed is | Cocodemer | 
| 153 | Toxicology is the study of | Poisons | 
| 154 | Virology is the study of | Viruses | 
| 155 | Paleontology is the study of | Fossils | 
| 156 | Calorimeter is used to measure | Quantity of heat | 
| 157 | Chronometer was invented by | John Harrison | 
| 158 | Stethoscope was invented by | William Stockes | 
| 159 | Spinning frame was invented by | Sir Richard Arkwright | 
| 160 | Al stands for | Aluminium | 
| 161 | Gd stands for | Gadolinium | 
| 162 | Ir stands for | Iridium | 
| 163 | Bi stands for | Bismuth | 
| 164 | The Chemical formula of sodium bicarbonate is | NaHCO3 | 
| 165 | The chemical formula of common salt is | Nacl | 
| 166 | The chemical formula of washing soda is | Na2CO3,IOH2O | 
| 167 | The chemical formula of lime soda is | CaCO3 | 
| 168 | The chemical formula of chloroform is | CHcl3 | 
| 169 | The study of grasses is known as | Agrostology | 
| 170 | The study of antiquities is known as | Archaeology | 
| 171 | The study of the duration of life is known as | Chronobiology | 
| 172 | The study of bacteria is known as | Bacteriology | 
| 173 | Nylon was invented by | Dr.Wallace H.Carothers | 
| 174 | Electric razor was invented by | Jacob Schick | 
| 175 | The symbol of silver is | Ag | 
| 176 | The symbol of silicon is | Si | 
| 177 | The symbol of titanium is | Ti | 
| 178 | Calcium oxide is commonly known as | Quick lime | 
| 179 | A deviation of light passing from one medium to another is known as | Refraction | 
| 180 | An apparatus for generation of atomic energy is called a | Reactor | 
| 181 | A machine used for converting mechanical energy into electrical energy is called a | Generator | 
| 182 | The first Indian woman in space was | Kalpana Chawla | 
| 183 | The revolver was invented by | Samuel Colt | 
| 184 | The refrigerator was invented by | J.Perkins | 
 
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