Top 50 Everyday Science GK Questions and Answer Most Repeated MCQs in Exams

1. The ozone layer acts as a natural filter and protects us from……………..:

2. Dry air contains how much percentage of oxygen gas:

3. Which of the following is the mixture of smoke and fog:

4. The largest external organ in the human body is……:

5. How much time sunlight takes to reach Earth?

6. Which of the following is the hardest natural mineral:

7. A type of infectious disease that spreads over significant geographical areas and affects a large number of people like AIDS is known as:

8. Which of the following transmission medium is the fastest:

9. Who gave the concept of the solar system……….:

10. The car batteries contain up to 50 percent of………..:

11. A widespread outbreak of an infectious disease that affects many people at the same time is known as:

12. The sun consists of which of the following gases:

13. Choose the correct three elements which are essential ingredients for plant growth:

14. Choose the correct association between a cause and the disease:

15. Choose the main component of bones…:

16. Which gas is used in fire extinguishers……?

17. Choose the correct association between a disease and cause:

18. …………………….is the best source of Vitamin D:

19. What is the main cause of ozone depletion?

20. The human body is composed of around………………..bones at the time of birth:

21. One of the most pleasant natural smell after the rain is caused by which bacteria:

22. Choose the correct body temperature of normal human:

23. Who gave the idea of Big bang theory….?

24. The average life span of human red blood cells is about:

25. Choose the correct unit of Work:

26. …………………….plays an important role in blood clotting:

27. Choose the universal blood donor group………..:

28. The average life span of platelets is about……:

29. Choose the correct association between a disease and its cause:

30. Which of the following is the most abundant element in the universe:

31. The Earth revolves around the sun from…………:

32. The average adult human body is composed of……………..:

33. Which of the following disease caused by Mosquito bite?

34. Which of the following planet is also known as “Red Planet”

35. Lack of Vitamin C in the human body causes…………..:

36. Which of the following is the largest planet in the solar system?

37. Which of the following human organ produces insulin?

38. Which of the following lenses is used to correct the long sight:

39. In humans total numbers of chromosomes are…………:

40. The main function of hemoglobin is………..:

41. The average life span of bacteria is about:

42. The main control center of our body is…..:

43. A balloon rises and floats in the air because it contains…………..:

44. Dengue fever is caused by…..?

45. CPU stands for…….:

46. Biogas (Gobar Gas) is primarily composed of………..:

47. The chemical formula of natural salt that we use in cooking is:

48. The average adult human body contains……………..:

49. Sui gas is primarily composed of………..:

50. Choose the coldest planet in the universe: