Important Facts of General Science
1. Full form of AIDS is – ==> Acquired Immune Deficiency Syndrome.
2. Chemical technology dealing with the conversion of base metals into gold is – ==> Alchemy.
3. Subtances produced by micro-organism that kill or prevent growth of other micro-organism is called – ==> Antibiotics.
4. Substances which react with acids to form salts is called – ==> Base.
5. The ancient oriental art of growing trees in dwarf form is called ==> Bonsai.
6. What is the unit of heat – ==> Calorie.
7. The ability of a body to resist tension or compression and to recover its original shape and size when the stress is removed is called ==> Elasticity.
8. The negatively charged particles which revolve around the nucleus of the atom in certain orbits is called ==> Electron.
9. The branch of biology dealing with study of Heredity is – ==> Genetics
10. Kwashiorkor is caused due to the deficiency of – ==> Protein.
11. Optical illusion often witnessed in deserts when the objects on the surface of the earth at
12. The branch of science which deals with study of nature and properties of light is called- ==> Optics.
13. The scale used to measure the magnitudes of earthquakes is called – ==> Richter scale.
14. The heat required to raise the temperature of 1 kg of a substance through one degree Celsius is called ==> Specific heat.
15. The speed greater than the speed of sound is called ==> Supersonic speed.
16. Volatile substance that incapacitates for a time by powerfully irritating the eyes, provoking tears is called ==> Tear gas.
17. Who is the inventor of Dynamite ==> Alfred B. Nobel.
18. Who discovered life in plants ==> Jagadish Chandra Bose.
19. The unit used to measure loudness of sound is – ==> Decibel.
20. The smallest part of an element that can take part in a chemical reaction is called ==> Atom.
21. Substances used for destroying or stopping growth of micro-organisms in living tissue is Called ==> Antiseptic.
22. Water that does not form lather with soap easily is called – ==> Hard water.
23. The lines drawn on maps joining the places having same barometric pressure is called ==> Isobars.
24. Lymph differs from blood in not having ==> Red Blood Corpuscles.
25. Universal receivers can receive blood from ==> Groups O, A, B and AB
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