LDC QUESTIONS 6

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

2. World AIDS day is observed on
December 1

3. Television was started in the year
1959.

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

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

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

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

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

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

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


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

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

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

14. Rainbow is caused due to
Refraction and dispersion .

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

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

17. What drug does tobacco contain
Nicotine.

18. What does talcum power consists of
Magnesium silicate.

19. The main consistent of gobar gas
Methane.

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

21. The largest flower in the world?
Rafflesia

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

23. The colouring substance present in bile
Bilirubin.

24. The hormones helps to ripen fruits.
Ethylene.

25. Milk is an example of
suspension.

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

27. Who discovered Natural Radioactivity?
Henry Becquerel

28. The acid present in oranges
citric acid

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

30. The material used in the manufacture of lead pencils
graphite.

31. Which bird found in New Zealand is uable to fly and has hair instead of feathers and a very
long beak
Kiwi.

32. Who found out Radio Activity?
Henry Becquerel

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

34.What is always contained in amalgams?
Mercury

35.Decimel system of number originated in:
India

36.Father of cloning:
Dr.IanWilmut

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

38.Hydrogen Bomb is based on:
Nuclear fusion

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

40.Diamond is the purest form of
Crystalline rock

41.The exact copy of a written or printed message is transmitted todistant places through adevice attached to a telephone. What isit called?
Fax

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

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

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

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

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

47.The most abundant substance on earth is :
Water

48.The unit of power is:
Watt

49.The world famous mineral region in India:
Chotanagpur

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

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