ICSE Class 6 Biology - The Leaf - Test 1 (Basic)
1. The flat green part of a leaf is called:
A. Lamina
B. Petiole
C. Root
2. The stalk that attaches a leaf to the stem is called:
A. Lamina
B. Petiole
C. Vein
3. A leaf with many small leaflets is called:
A. Simple leaf
B. Stem leaf
C. Compound leaf
4. Parallel venation is seen in which type of leaf?
A. Banana leaf
B. Mango leaf
C. Rose leaf
5. Net-like pattern of veins is called:
A. Parallel venation
B. Reticulate venation
C. Spiral venation
6. Plants that do not shed all leaves in a season are:
A. Deciduous plants
B. Aquatic plants
C. Evergreen plants
7. Trees that shed leaves in autumn are called:
A. Deciduous trees
B. Evergreen trees
C. Desert trees
8. In opposite leaf arrangement:
A. One leaf grows per node
B. Two leaves grow opposite each other
C. Leaves grow at root
9. In cactus, leaves are modified into:
A. Flowers
B. Roots
C. Spines
10. A plant that traps insects using leaves is:
A. Venus flytrap
B. Mango tree
C. Banana plant
11. The waxy layer on leaves helps in:
A. Food making
B. Reducing water loss
C. Increasing root growth
12. Stomata are mostly found on:
A. Upper leaf surface
B. Stem
C. Lower leaf surface
13. The main central vein of a leaf is called:
A. Midrib
B. Petiole
C. Stomata
14. Chloroplasts are mainly found in:
A. Root cells
B. Leaf palisade cells
C. Stem bark
15. Leaf colour changes in autumn due to:
A. Increase in water
B. More sunlight
C. Reduction of chlorophyll
16. Movement of water in plants is helped by:
A. Transpiration pull
B. Root digestion
C. Leaf breathing
17. Large leaf surface helps in:
A. Water storage
B. Absorbing sunlight
C. Root formation
18. Floating leaves of aquatic plants contain:
A. Hard wood cells
B. Thick roots
C. Air spaces
19. Desert plants usually have:
A. Small leaves or no leaves
B. Very large leaves
C. No stems
20. Leaves are important because they:
A. Store water
B. Help in food production
C. Produce roots