Question Bank – 2

1. The first effective vaccine against polio was prepared by
Ans: Jonas E. Salk.

2. World AIDS day is observed on
Ans: December 1

3. Television was started in the year
Ans: 1959.

4. Where is the national Environment Engineering Research Institute located?
Ans: Nagpur.

5. National Science day is observed on 28th February to commemorate
Ans: The day of declaration of Raman Effect.

6. The science dealing with the study of the heart and its diseases is known as
Ans: Cardiology.

7. When was the first Atomic Energy Commission set up in India?
Ans: August10, 1948

8. India conducted the first nuclear explosion in the year
Ans: May 18, 1974.

9. What does the abbreviation ANERT stand for
Ans: Agency for non-conventional Energy and Rural Technology

10. The scientist who discovered that the earth revolves round the sun
Ans: Copernicus.

11. ECG is an instrument used in the study of
Ans: Heart.

12. Ecology is the branch of science which deals with
Ans: Balance of Nature

13. The district in which the central root research institute is situated.
Ans: Thiruvananthapuram

14. Rainbow is caused due to
Ans: Refraction and dispersion .

15. What is the full form of LPG?
Ans: Liquified Petroleum Gas.

16. Leaves are green due to the presence of
Ans: Chlorophyll.

17. What drug does tobacco contain
Ans: Nicotine.

18. What does talcum power consists of
Ans: Magnesium silicate.

19. The main consistent of gobar gas
Ans: Methane.

20. A gland known as the gland of emergency
Ans: Adrenal gland.

21. The largest flower in the world?
Ans: Rafflesia

22. The smallest bone in the human body?
Ans: Stapes.

23. The colouring substance present in bile
Ans: Bilirubin.

24. The hormones helps to ripen fruits.
Ans: Ethylene.

25. Milk is an example of
Ans: Suspension.

26. Which sector in India uses coal in maximum quantity?
Ans: Thermal plants.

27. Who discovered Natural Radioactivity?
Ans: Henry Becquerel

28. The acid present in oranges
Ans: Citric acid

29. The density of water is maximum in
Ans: 4 degree Centigrade.

30. The material used in the manufacture of lead pencils
Ans: Graphite.

31. Which bird found in New Zealand is uable to fly and has hair instead of feathers and a very long beak
Ans: Kiwi.
32. Who found out Radio Activity?
Ans: Henry Becquerel

33.The instrument which is used for measuring blood pressure?
Ans: Spygmomanometer

34.What is always contained in amalgams?
Ans: Mercury

35.Decimel system of number originated in:
Ans: India

36.Father of cloning:
Ans: Dr.IanWilmut

37.According to WHO, the disease which causes the death of the largest number of people today is:
Ans: Tuberculosis

38.Hydrogen Bomb is based on:
Ans: Nuclear fusion

39. Liquefied Petroleum Gas consists of mainly:
Ans: Methane, Butane andPropane

40.Diamond is the purest form of
Ans: Crystalline rock

41.The exact copy of a written or printed message is transmitted to
distant places through adevice attached to a telephone. What is it called?
Ans: Fax

42.The energy possessed by the water collected in the reservoir of a dam
Ans: Potential Energy

43.Bleaching powder is produced by passing chlorine over this substance:
Ans: Solid slaked lime

44.The most important raw material for generation of power in India:
Ans: Coal

45.Maximum yield of milk is obtained from ----variety of cows
Ans: Red Sindhi

46.Deforestation causes the following:
Ans: Drought,flood and soil erosion

47.The most abundant substance on earth is :
Ans: Water

48.The unit of power is:
Ans: Watt

49.The world famous mineral region in India:
Ans: Chotanagpur

50.The gas which causes acid rain industrial area:
Ans: Sulphurdioxide