Basic Biology Everyday Science Test Online

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Question 1

1. Which is the master gland of the human body?

Question 2

2. Which gas is released during photosynthesis?

Answer

Carbon dioxide

Question 3

3. Which vitamin deficiency causes night blindness?

Question 4

4. Which gas do humans exhale during respiration?

Answer

Carbon dioxide

Question 5

5. Which organ produces insulin?

Question 6

6. Which part of the brain controls balance and posture?

Answer

Cerebellum

Answer

Medulla oblongata

Answer

Hypothalamus

Question 7

7. Which system transports oxygen and nutrients in humans?

Answer

Digestive system

Answer

Circulatory system

Answer

Nervous system

Answer

Excretory system

Question 8

8. Which organ in humans is responsible for pumping blood?

Question 9

9. Which is the largest gland in the human body?

Question 10

10. Which organ regulates body temperature?

Question 11

11. Which vitamin is essential for healthy bones and teeth?

Question 12

12. Which organ in the body stores bile?

Answer

Gallbladder

Question 13

13. Which is the longest bone in the human body?

Question 14

14. Which part of the respiratory system is the site of gas exchange?

Question 15

15. The process by which plants make food is called:

Answer

Respiration

Answer

Photosynthesis

Answer

Transpiration

Question 16

16. Which vitamin deficiency causes scurvy?

Question 17

17. Which organelle is called the “powerhouse of the cell”?

Answer

Mitochondria

Answer

Golgi apparatus

Question 18

18. Which organ purifies blood and also stores glycogen?

Question 19

19. Which pigment gives green color to plants?

Answer

Hemoglobin

Answer

Chlorophyll

Question 20

20. The process of breakdown of food in the body is called:

Answer

Respiration

Answer

Photosynthesis

Question 21

21. The study of heredity and variation is called:

Answer

Morphology

Question 22

22. The structural and functional unit of the nervous system is:

Question 23

23. Which blood group is the universal recipient?

Answer

AB positive

Question 24

24. The functional unit of the kidney is called:

Answer

Glomerulus

Question 25

25. Which part of the plant absorbs water and minerals?

Question 26

26. Which blood vessel carries blood away from the heart?

Answer

Capillaries

Question 27

27. Which organ filters old red blood cells and helps immunity?

Question 28

28. Which blood component carries nutrients and hormones?

Question 29

29. Which protein in red blood cells carries oxygen?

Answer

Hemoglobin

Question 30

30. Which part of the cell controls all activities?

Answer

Mitochondria

Question 31

31. Which blood cells carry oxygen?

Answer

White blood cells

Answer

Red blood cells

Question 32

32. Which vitamin is produced in the skin in presence of sunlight?

Question 33

33. Which blood cells help in clotting of blood?

Question 34

34. Which blood cells help fight infections?

Answer

Red blood cells

Answer

White blood cells

Question 35

35. Which is the basic unit of life?

Question 36

36. Which biomolecule is the main source of energy for the human body?

Answer

Carbohydrates

Question 37

37. Which blood vessel carries blood back to the heart?

Answer

Capillaries

Answer

Arterioles

Question 38

38. What is the study of cells called?

Answer

Physiology

Question 39

39. Which vitamin is essential for blood clotting?

Question 40

40. Which is the largest organ in the human body?

Question 41

41. Which organ is responsible for voice production in humans?

Question 42

42. What is the study of tissues called?

Answer

Physiology

Question 43

43. Which organ is responsible for filtering blood in the human body?

Question 44

44. Which gas is essential for respiration in humans?

Answer

Carbon dioxide

Question 45

45. Which organelle is responsible for protein synthesis?

Answer

Mitochondria

Answer

Chloroplast

Question 46

46. Which type of blood cells are known as “soldiers of the body”?

Question 47

47. Which is the smallest bone in the human body?

Question 48

48. What is the main function of the large intestine?

Answer

Absorption of nutrients

Answer

Absorption of water

Answer

Production of enzymes

Answer

Digestion of fats

Question 49

49. Which blood group is the universal donor?

Answer

O negative

Question 50

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Total Questions:	50
Time Allowed:	25 Minutes
Total Marks:	50
How to Attempt Test:	Please choose the right Option in MCQ-type question.
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Basic Biology Everyday Science Test Online

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Everyday Science Basic Biology Test

Basic Biology Everyday Science Practice Mcqs Online

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