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Practice the [USA] CURRENT AFFAIRS MCQ GENERAL SCIENCE quiz to improve your knowledge and exam readiness.

1. The Sun is a/an

2. The average adult has a blood volume of about ___ liters.

3. The most abundant element in the universe is

4. The most abundant element in the Earths crust is

5. Each day human body breathe in ___ liters of air.

6. Deficiency of Vitamin-D results in

7. The SI unit of pressure is

8. The most densest substance on the Earth is

9. A camera uses a ____ to form an image.

10. Which from the following is NOT a conductor?

11. Sound waves are ____ waves.

12. The lifespan of White Blood Cells is ___ day(s).

13. The fluid part of blood is known as

14. X-rays were discovered by

15. The speed of light is

16. During winter in cold countries, the ____ is mixed to melt the ice on the icy roads.

17. In a very low temperature which from the following will freeze at last?

18. The nearest planet to the Earth is

19. The planet that moves round the Sun at the highest speed is

20. In general, Comets have _____ orbits.

21. GPS is an abbreviation for

22. Oxidation is a chemical reaction involving the

23. At night, Plants intake _____ and release ______.

24. Urine is produced in

25. Blood is cleaned by

26. The position of an element in the Periodic Table is determined by its _____ number.

27. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in ___ of sea water.

28. The planet which is easily visible from the Earth is

29. In the solar system, the Great Spot is on the planet

30. The Great Spot is a

31. Quartz is a crystalline mineral composed of Silicon and _____ atoms.

32. The bodyguard of the Earth is _____ that save the Earth from many Comets and Asteroids.

33. 1 light year =

34. The planets visible to us without using a telescope are

35. According to Big Bang Theory, the Universe began about ________ billion years ago.

36. Biosensor is used to measure?

37. Einsteins famous equation which states that mass and energy are interchangeable is

38. The SI unit of electric current is

39. The principal constituent of the atmosphere of the Earth is

40. What is Dry Ice?

41. Which are the three primary colours?

42. Digestion of food is completed in the

43. Carrot is good source of vitamin

44. For proper formation of teeth, _______ is essential.

45. Deficiency of ________ causes loss of appetite and poor growth

46. ______ is the partial or complete wasting away of a part of a body.

47. Which of the following statements is true about drug Imodium?

48. Hypovolaemia can be treated by:

49. Effects of having Thiamine deficiency are:

50. When the Cardiac output decreased?