Basic Biology Everyday Science Test Online

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Question 1

1. What is the study of tissues called?

Answer

Physiology

Question 2

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

Answer

Carbohydrates

Question 3

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

Question 4

4. What is the study of cells called?

Answer

Physiology

Question 5

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

Answer

Mitochondria

Answer

Golgi apparatus

Question 6

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

Answer

Capillaries

Question 7

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

Question 8

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

Answer

Cerebellum

Answer

Medulla oblongata

Answer

Hypothalamus

Question 9

9. 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 10

10. Which organ produces insulin?

Question 11

11. Which system transports oxygen and nutrients in humans?

Answer

Digestive system

Answer

Circulatory system

Answer

Nervous system

Answer

Excretory system

Question 12

12. Which organelle is responsible for protein synthesis?

Answer

Mitochondria

Answer

Chloroplast

Question 13

13. Which organ purifies blood and also stores glycogen?

Question 14

14. Which blood cells carry oxygen?

Answer

White blood cells

Answer

Red blood cells

Question 15

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

Question 16

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

Question 17

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

Answer

Respiration

Answer

Photosynthesis

Question 18

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

Answer

Respiration

Answer

Photosynthesis

Answer

Transpiration

Question 19

19. Which gas is released during photosynthesis?

Answer

Carbon dioxide

Question 20

20. Which blood component carries nutrients and hormones?

Question 21

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

Question 22

22. Which is the basic unit of life?

Question 23

23. Which blood group is the universal recipient?

Answer

AB positive

Question 24

24. Which vitamin deficiency causes night blindness?

Question 25

25. Which blood cells help in clotting of blood?

Question 26

26. Which gas is essential for respiration in humans?

Answer

Carbon dioxide

Question 27

27. Which organ in the body stores bile?

Answer

Gallbladder

Question 28

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

Question 29

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

Question 30

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

Question 31

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

Question 32

32. Which part of the cell controls all activities?

Answer

Mitochondria

Question 33

33. Which blood group is the universal donor?

Answer

O negative

Question 34

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

Question 35

35. Which vitamin deficiency causes scurvy?

Question 36

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

Question 37

37. Which vitamin is essential for blood clotting?

Question 38

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

Question 39

39. Which gas do humans exhale during respiration?

Answer

Carbon dioxide

Question 40

40. Which pigment gives green color to plants?

Answer

Hemoglobin

Answer

Chlorophyll

Question 41

41. The study of heredity and variation is called:

Answer

Morphology

Question 42

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

Question 43

43. Which blood cells help fight infections?

Answer

Red blood cells

Answer

White blood cells

Question 44

44. Which organ regulates body temperature?

Question 45

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

Question 46

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

Answer

Capillaries

Answer

Arterioles

Question 47

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

Question 48

48. Which protein in red blood cells carries oxygen?

Answer

Hemoglobin

Question 49

49. The functional unit of the kidney is called:

Answer

Glomerulus

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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