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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 is the pH of oxygenated blood?

Question 1 of 20

2. What percentage of water is present in blood plasma?

Question 2 of 20

3. What gives RBCs their red color?

Question 3 of 20

4. Where are RBCs produced?

Question 4 of 20

5. What is the primary function of WBCs?

Question 5 of 20

6. How many platelets are present per cubic millimeter of blood?

Question 6 of 20

7. What transports hormones in the body?

Question 7 of 20

8. Which blood group is known as the universal donor?

Question 8 of 20

9. Who can receive blood from any blood group?

Question 9 of 20

10. What instrument measures blood pressure?

Question 10 of 20

11. What is the normal systolic blood pressure range?

Question 11 of 20

12. What condition is characterized by high blood pressure?

Question 12 of 20

13. Who discovered the A, B, O blood groups?

Question 13 of 20

14. What is the branch of medical science dealing with blood study called?

Question 14 of 20

15. Why does the upward and downward movement of the diaphragm occur consecutively?

Question 15 of 20

16. What protein in blood helps in clotting?

Question 16 of 20

17. How much blood is pumped by the heart per beat?

Question 17 of 20

18. What is the typical lifespan of RBCs?

Question 18 of 20

19. Which blood component distributes water throughout the body?

Question 19 of 20

20. What is observed as National Voluntary Blood Donation Day?

Question 20 of 20

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