Question Paper
Class / Subject: Class 5 (SSC) · Science (सामान्य विज्ञान)
Chapter: Chapter 21 — Chapter 21: Busy at Work - Our Internal Organs
Time Allowed: 32 minutes
Max Marks: 16
1. What does the heart do continuously? [1]
(A) Pumps blood
(B) Digests food
(C) Filters waste
(D) Breathes air
2. What does the heart deliver to cells? [1]
(A) Oxygen and nutrients
(B) Only water
(C) Only waste
(D) Nothing useful
3. What do the lungs do? [1]
(A) Bring in oxygen, remove CO2
(B) Pump blood
(C) Digest food
(D) Filter waste
4. What do the stomach and intestines do? [1]
(A) Break down food into nutrients
(B) Pump blood
(C) Filter waste
(D) Bring in oxygen
5. What do the kidneys do? [1]
(A) Filter blood, remove waste
(B) Pump blood
(C) Digest food
(D) Bring in oxygen
6. What do kidneys form as waste? [1]
(A) Urine
(B) Blood
(C) Oxygen
(D) Food
7. Do our internal organs ever stop working? [1]
(A) No, they work continuously
(B) Yes, they rest often
(C) Only sometimes
(D) They never work
8. Why learn about our internal organs? [1]
(A) To appreciate how our body works continuously
(B) No reason
(C) It's not useful
(D) Only for tests
9. What does the heart do continuously? [1]
(A) Pumps blood
(B) Digests food
(C) Filters waste
(D) Breathes air
10. What does the heart deliver to cells? [1]
(A) Oxygen and nutrients
(B) Only water
(C) Only waste
(D) Nothing useful
11. What do the lungs do? [1]
(A) Bring in oxygen, remove CO2
(B) Pump blood
(C) Digest food
(D) Filter waste
12. What do the stomach and intestines do? [1]
(A) Break down food into nutrients
(B) Pump blood
(C) Filter waste
(D) Bring in oxygen
13. What do the kidneys do? [1]
(A) Filter blood, remove waste
(B) Pump blood
(C) Digest food
(D) Bring in oxygen
14. What do kidneys form as waste? [1]
(A) Urine
(B) Blood
(C) Oxygen
(D) Food
15. Do our internal organs ever stop working? [1]
(A) No, they work continuously
(B) Yes, they rest often
(C) Only sometimes
(D) They never work
16. Why learn about our internal organs? [1]
(A) To appreciate how our body works continuously
(B) No reason
(C) It's not useful
(D) Only for tests