Question Paper
Class / Subject: Class 7 (ICSE) · Science
Chapter: Chapter 18 — Chapter 18: Photosynthesis and Respiration
Time Allowed: 32 minutes
Max Marks: 16
1. Where does photosynthesis occur? [1]
(A) Plant leaves
(B) Animal cells only
(C) Human lungs
(D) Nowhere specific
2. What does photosynthesis need? [1]
(A) Sunlight, water and carbon dioxide
(B) Only sunlight
(C) Only water
(D) Only oxygen
3. What does photosynthesis produce? [1]
(A) Glucose and oxygen
(B) Only carbon dioxide
(C) Only water
(D) Nothing useful
4. What does respiration release? [1]
(A) Energy from food
(B) Only carbon dioxide
(C) Only glucose
(D) Nothing useful
5. Where does respiration occur? [1]
(A) All living cells
(B) Only plant cells
(C) Only animal cells
(D) Nowhere
6. What does respiration produce as byproducts? [1]
(A) Carbon dioxide and water
(B) Only oxygen
(C) Only glucose
(D) Nothing
7. How are photosynthesis and respiration related? [1]
(A) They are complementary processes
(B) They are unrelated
(C) They are identical processes
(D) They cancel each other out completely
8. Why study these processes? [1]
(A) They are essential for life on Earth
(B) No reason
(C) They're not important
(D) Only for tests
9. Where does photosynthesis occur? [1]
(A) Plant leaves
(B) Animal cells only
(C) Human lungs
(D) Nowhere specific
10. What does photosynthesis need? [1]
(A) Sunlight, water and carbon dioxide
(B) Only sunlight
(C) Only water
(D) Only oxygen
11. What does photosynthesis produce? [1]
(A) Glucose and oxygen
(B) Only carbon dioxide
(C) Only water
(D) Nothing useful
12. What does respiration release? [1]
(A) Energy from food
(B) Only carbon dioxide
(C) Only glucose
(D) Nothing useful
13. Where does respiration occur? [1]
(A) All living cells
(B) Only plant cells
(C) Only animal cells
(D) Nowhere
14. What does respiration produce as byproducts? [1]
(A) Carbon dioxide and water
(B) Only oxygen
(C) Only glucose
(D) Nothing
15. How are photosynthesis and respiration related? [1]
(A) They are complementary processes
(B) They are unrelated
(C) They are identical processes
(D) They cancel each other out completely
16. Why study these processes? [1]
(A) They are essential for life on Earth
(B) No reason
(C) They're not important
(D) Only for tests