1. The HIV virus weakens the immunity of a person because it destroys

2. Valve between the left ventricle and Aorta?

3. Gestalt psychology attempted to discover

4. Most stars are at what point in their life cycles?

5. Which of the following is a property of water?

6. The distance in pitch between any two tones is called

7. Which nutrients provide energy?

8. Exercise frequency refers to

9. A doctor who specializes in skin diseases

10. Which one of the following statements with regard to the winter solstice is correct?

11. Which of the following statements about water is false?

12. Water covers _______________ % of the Earths surface.

13. Which of these groups is the smallest level of classification?

14. Through which microscope were cells first observed?

15. The genetic material of HIV consists of

16. Polypeptides are assembled from

17. Igneous rocks are classified based upon their

18. The talk test can be used to measure the

19. ow many commands are there in the Indian Navy?

20. Which one of the following industries is the biggest consumer of water in India?

21. While landing what type of tyres are used in an Aircraft?

22. The outermost layer of the earth is called

23. In what year was pluto devoted to a draft planet?

24. What are sources of energy during exercise?

25. Which group in an ecosystem performs photosynthesis?

26. Which one of the following gases is released mostly from landfills in urban areas?

27. Cuscuta is an example of

28. What is constellation?

29. Hormone that helps regulate calcium balance

30. Which is an example of a physical change?

31. Consumers that eat both plants and animals are

32. Mortar is a mixture of

33. Why does a black board appears black in colour?

34. The most important thing in backing a motor vehicle is

35. Lutheranism is an example of a Christian

36. As water is cooled from 4 deg C to 0 deg C its density

37. Which is an example of an endothermic reaction?

38. A persistent infection is one in which

39. The fish that can taste with its whole body?

40. A rotating column of air is called

41. Which describes a clinical psychologist?

42. An enzyme speeds up a reaction by

43. What stage occurs after cytokinesis?

44. Which of the following elements were not found in Lothal as archaeological remains?

45. Lacto-ovo vegetarians would not eat

46. The place where the river meets the sea is called

47. What is the term for classifying and grouping organisms?

48. Which of the following processes would release energy?

49. The most productive ecosystem in the biosphere is

50. Which gases in the atmosphere absorb ultraviolet radiation?