ICSE Class 6 Biology - The Leaf - Test 5 (Comprehensive)
1. Food made in leaves is mainly used for:
A. Growth of the plant
B. Formation of soil
C. Making oxygen only
2. A plant kept in a dark room for several days will:
A. Grow faster
B. Become weak due to no food production
C. Produce more flowers
3. Water absorbed by roots reaches leaves through:
A. Stomata
B. Phloem
C. Xylem
4. Oxygen released by leaves comes from:
A. Photosynthesis process
B. Root absorption
C. Soil minerals
5. Excess transpiration in a plant causes:
A. Increased growth
B. Wilting of leaves
C. More fruit production
6. The main way plants control water loss is by:
A. Root growth
B. Flower opening
C. Stomatal regulation
7. Without chlorophyll, a leaf cannot:
A. Make food
B. Absorb water
C. Grow roots
8. Leaf shape mainly depends on:
A. Animal feeding habits
B. Environment
C. Soil color
9. Water plants differ from land plants mainly because of:
A. Flower color
B. Root absence
C. Habitat conditions
10. Large leaf surface helps in:
A. Better gas exchange
B. Root formation
C. Seed dispersal
11. In hot sunny conditions, stomata usually:
A. Stay fully open
B. Partially close
C. Multiply
12. If food is not transported properly, the plant will:
A. Grow faster
B. Produce more leaves
C. Stop proper growth
13. Veins in leaves help in:
A. Transport inside leaf
B. Flower formation
C. Seed germination
14. Plants in deserts survive mainly by:
A. Increasing leaves
B. Reducing water loss
C. Growing more flowers
15. Gas exchange in plants happens mainly through:
A. Roots
B. Stem bark
C. Leaves
16. Removing leaves from a plant will:
A. Reduce food production
B. Increase water absorption
C. Improve flowering instantly
17. A healthy leaf requires:
A. Only soil nutrients
B. Water, light, and air
C. Only flowers nearby
18. The main function of leaf structure is:
A. Digestion
B. Movement
C. Food production
19. Leaves are important because they:
A. Produce energy-rich food
B. Store soil
C. Form roots
20. Leaf adaptations mainly help plants in:
A. Reproduction only
B. Survival in environment
C. Flower coloring