Question Paper
Class / Subject: Class 8 (ICSE) · Science
Chapter: Chapter 23 — Chapter 23: The Circulatory System
Time Allowed: 32 minutes
Max Marks: 16
1. How many chambers does the heart have? [1]
(A) Four
(B) Two
(C) Six
(D) One
2. What are the heart's chambers called? [1]
(A) Atria and ventricles
(B) Only atria
(C) Only ventricles
(D) Neither
3. What do arteries carry? [1]
(A) Oxygenated blood from the heart
(B) Deoxygenated blood to the heart
(C) Only water
(D) Nothing
4. What do veins carry? [1]
(A) Deoxygenated blood to the heart
(B) Oxygenated blood from the heart
(C) Only water
(D) Nothing
5. What connects arteries and veins? [1]
(A) Capillaries
(B) Only the heart
(C) Only the lungs
(D) Nothing connects them
6. What does plasma do? [1]
(A) Carries blood components as a liquid
(B) Fights infection only
(C) Clots blood only
(D) Carries oxygen only
7. What do red blood cells do? [1]
(A) Transport oxygen
(B) Fight infection
(C) Clot blood
(D) Nothing useful
8. Why study the circulatory system? [1]
(A) To understand how the body delivers resources
(B) No reason
(C) It's not useful
(D) Only for tests
9. How many chambers does the heart have? [1]
(A) Four
(B) Two
(C) Six
(D) One
10. What are the heart's chambers called? [1]
(A) Atria and ventricles
(B) Only atria
(C) Only ventricles
(D) Neither
11. What do arteries carry? [1]
(A) Oxygenated blood from the heart
(B) Deoxygenated blood to the heart
(C) Only water
(D) Nothing
12. What do veins carry? [1]
(A) Deoxygenated blood to the heart
(B) Oxygenated blood from the heart
(C) Only water
(D) Nothing
13. What connects arteries and veins? [1]
(A) Capillaries
(B) Only the heart
(C) Only the lungs
(D) Nothing connects them
14. What does plasma do? [1]
(A) Carries blood components as a liquid
(B) Fights infection only
(C) Clots blood only
(D) Carries oxygen only
15. What do red blood cells do? [1]
(A) Transport oxygen
(B) Fight infection
(C) Clot blood
(D) Nothing useful
16. Why study the circulatory system? [1]
(A) To understand how the body delivers resources
(B) No reason
(C) It's not useful
(D) Only for tests