Basic Biology Everyday Science Test Online

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Question 1

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

Answer

Carbohydrates

Question 2

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

Answer

Mitochondria

Answer

Golgi apparatus

Question 3

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

Answer

Cerebellum

Answer

Medulla oblongata

Answer

Hypothalamus

Question 4

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

Question 5

5. Which blood cells carry oxygen?

Answer

White blood cells

Answer

Red blood cells

Question 6

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

Answer

Capillaries

Answer

Arterioles

Question 7

7. Which organ produces insulin?

Question 8

8. What is the study of cells called?

Answer

Physiology

Question 9

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

Question 10

10. Which organ regulates body temperature?

Question 11

11. The functional unit of the kidney is called:

Answer

Glomerulus

Question 12

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

Question 13

13. Which blood cells help fight infections?

Answer

Red blood cells

Answer

White blood cells

Question 14

14. Which organ in the body stores bile?

Answer

Gallbladder

Question 15

15. Which gas is released during photosynthesis?

Answer

Carbon dioxide

Question 16

16. Which blood group is the universal donor?

Answer

O negative

Question 17

17. Which pigment gives green color to plants?

Answer

Hemoglobin

Answer

Chlorophyll

Question 18

18. Which blood group is the universal recipient?

Answer

AB positive

Question 19

19. Which blood cells help in clotting of blood?

Question 20

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

Question 21

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

Answer

Capillaries

Question 22

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

Answer

Respiration

Answer

Photosynthesis

Question 23

23. Which vitamin deficiency causes scurvy?

Question 24

24. What is the study of tissues called?

Answer

Physiology

Question 25

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

Question 26

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

Question 27

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

Answer

Respiration

Answer

Photosynthesis

Answer

Transpiration

Question 28

28. Which blood component carries nutrients and hormones?

Question 29

29. Which vitamin deficiency causes night blindness?

Question 30

30. Which vitamin is essential for blood clotting?

Question 31

31. Which part of the cell controls all activities?

Answer

Mitochondria

Question 32

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

Question 33

33. Which is the basic unit of life?

Question 34

34. Which system transports oxygen and nutrients in humans?

Answer

Digestive system

Answer

Circulatory system

Answer

Nervous system

Answer

Excretory system

Question 35

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

Question 36

36. Which gas is essential for respiration in humans?

Answer

Carbon dioxide

Question 37

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

Question 38

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

Question 39

39. Which protein in red blood cells carries oxygen?

Answer

Hemoglobin

Question 40

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

Question 41

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

Question 42

42. Which organelle is responsible for protein synthesis?

Answer

Mitochondria

Answer

Chloroplast

Question 43

43. Which gas do humans exhale during respiration?

Answer

Carbon dioxide

Question 44

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

Question 45

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

Question 46

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

Question 47

47. 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 48

48. Which organ purifies blood and also stores glycogen?

Question 49

49. The study of heredity and variation is called:

Answer

Morphology

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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Maan Ali

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