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MCQ Chapter 11 General Science Class 8 Maharashtra Board

MCQ For All Chapters – General Science Class 8

Human Body and Organ System

1. What are organs and organ systems made up of?

Question 1 of 20

2. Which organ system is NOT mentioned in the document?

Question 2 of 20

3. What is the collective term for vital processes essential to living beings?

Question 3 of 20

4. What gas is absorbed by hemoglobin during external respiration?

Question 4 of 20

5. What is the process of exchanging gases between cells and tissue fluid called?

Question 5 of 20

6. In cellular respiration, what is oxidized to release energy?

Question 6 of 20

7. How many ATP molecules are produced in cellular respiration as per the equation?

Question 7 of 20

8. What filters air in the respiratory system?

Question 8 of 20

9. What prevents food particles from entering the windpipe?

Question 9 of 20

10. Where are the lungs located in the body?

Question 10 of 20

11. What is the role of alveoli in the lungs?

Question 11 of 20

12. What causes air to move into the lungs during inhalation?

Question 12 of 20

13. What is the size of the human heart compared to?

Question 13 of 20

14. What type of muscles make up the heart?

Question 14 of 20

15. How many chambers does the human heart have?

Question 15 of 20

16. Which blood vessels carry blood away from the heart?

Question 16 of 20

17. Why do veins have valves?

Question 17 of 20

18. What is the function of capillaries?

Question 18 of 20

19. What is the average number of heart beats per minute in a healthy person?

Question 19 of 20

20. What sound is NOT associated with a heartbeat?

Question 20 of 20

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