General Knowledge__Science

Question Answer The theory of relativity was propounded by Albert Einstein The principal metal used in manufacturing steel is Iron An alimeter is used for measuring Altitude 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's first 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 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 Indian Satellite 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