ICSE Class 6 Biology - The Flower - Test 3 (Advanced)
1. Transfer of pollen from one flower to another flower is called:
A. Self-pollination
B. Cross-pollination
C. Germination
2. When pollen is transferred within the same flower, it is called:
A. Self-pollination
B. Cross-fertilization
C. Seed dispersal
3. Fertilization in flowers results in formation of:
A. Leaves
B. Roots
C. Seeds
4. Pollination is important because it leads to:
A. Fertilization
B. Respiration
C. Transpiration
5. Which of the following is a pollinating agent?
A. Soil
B. Insects
C. Roots
6. Wind-pollinated flowers usually have:
A. Large petals
B. Strong fragrance
C. Light pollen grains
7. The correct sequence is:
A. Pollination → Fertilization
B. Fertilization → Pollination
C. Seed → Flower
8. Pollen tube is formed to:
A. Absorb water
B. Reach ovule
C. Produce petals
9. After fertilization, ovary becomes:
A. Leaf
B. Root
C. Fruit
10. A seed mainly contains:
A. Embryo
B. Petal juice
C. Leaf veins
11. Bright petals help in:
A. Water absorption
B. Attracting pollinators
C. Root formation
12. The sticky part of pistil is:
A. Ovary
B. Anther
C. Stigma
13. Pollen grains are produced in:
A. Anther
B. Ovary
C. Sepal
14. Seeds germinate to form:
A. Flowers
B. New plants
C. Fruits only
15. Seed dispersal helps in:
A. Root absorption
B. Flower formation
C. Spreading plants
16. Bees mainly help flowers by:
A. Pollination
B. Digestion
C. Root growth
17. Fertilization means:
A. Seed falling
B. Fusion of gametes
C. Leaf growth
18. A flower without stamens is:
A. Complete flower
B. Perfect flower
C. Incomplete flower
19. The main purpose of flower is:
A. Reproduction
B. Water storage
C. Photosynthesis
20. Flowers are important for:
A. Digestion
B. Survival of species
C. Respiration