ICSE Class 6 Biology - The Leaf - Test 2 (Intermediate)
1. During photosynthesis, plants convert sunlight into:
A. Chemical energy (food)
B. Heat energy only
C. Sound energy
2. One raw material required for photosynthesis is:
A. Oxygen
B. Carbon dioxide
C. Nitrogen
3. The main product formed in leaves is:
A. Protein
B. Fat
C. Glucose
4. Chlorophyll mainly helps in:
A. Absorbing sunlight energy
B. Transporting water
C. Making roots grow
5. The size of stomatal opening is controlled by:
A. Xylem vessels
B. Guard cells
C. Phloem tubes
6. The upward movement of water in plants is helped by:
A. Respiration
B. Digestion
C. Transpiration pull
7. Excess water in plants is removed mainly through:
A. Leaves
B. Roots
C. Stem bark
8. Photosynthesis takes place in:
A. Mitochondria
B. Chloroplasts
C. Nucleus
9. Photosynthesis cannot occur without:
A. Soil minerals
B. Oxygen
C. Sunlight
10. Chloroplasts are found mainly in:
A. Leaf cells
B. Root hairs
C. Stem bark
11. Carbon dioxide enters the leaf through:
A. Roots
B. Stomata
C. Xylem
12. Photosynthesis produces oxygen as:
A. Raw material
B. Stored food
C. Waste product
13. Xylem is responsible for transporting:
A. Water
B. Food
C. Oxygen
14. Phloem transports:
A. Water
B. Food
C. Minerals only
15. Transpiration helps in:
A. Seed formation
B. Root growth
C. Temperature control
16. Green leaves are important because they:
A. Make food
B. Store water
C. Produce seeds
17. Stomata are used for:
A. Water storage
B. Gas exchange
C. Seed dispersal
18. The structure of leaves is mainly adapted for:
A. Reproduction
B. Protection
C. Photosynthesis
19. The main role of leaves is:
A. Food production
B. Water storage
C. Seed formation
20. Photosynthesis is essential for:
A. Animal movement
B. Plant survival
C. Soil formation