| 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 |
I’m Nitesh Brithwal Nanu , An Indian Engineer who is passionate about technology , current affairs , general Knowledge & programming . Constantly learning and experiencing new things.
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