ICSE Class 6 Biology - The Flower - Test 2 (Intermediate)
1. A flower having all four whorls is called:
A. Complete flower
B. Incomplete flower
C. Dry flower
2. A flower that has only male or only female parts is:
A. Bisexual flower
B. Unisexual flower
C. Complete flower
3. In dioecious plants:
A. Both flowers are on same plant
B. No flowers are formed
C. Male and female flowers are on different plants
4. A plant having both male and female flowers on the same plant is:
A. Monoecious
B. Dioecious
C. Evergreen
5. The sweet liquid in flowers is produced by:
A. Anther
B. Nectary
C. Ovule
6. The fragrance of flowers mainly helps in:
A. Water storage
B. Root growth
C. Attraction of animals
7. A flower with many lines of symmetry is:
A. Radially symmetrical
B. Asymmetrical
C. Irregular stem flower
8. A flower that can be divided into two equal halves only in one way is:
A. Radial
B. Bilateral
C. Spiral
9. Inflorescence refers to:
A. Leaf arrangement
B. Root system
C. Flower arrangement on stem
10. Bracts are:
A. Modified leaves
B. Roots of flower
C. Seeds
11. A flower lacking one or more whorls is called:
A. Complete flower
B. Incomplete flower
C. Fertile flower
12. Flower whorls are arranged in:
A. Random pattern
B. Linear pattern
C. Circular layers
13. Seeds with wings are mainly dispersed by:
A. Wind
B. Water
C. Animals
14. Coconut seeds are mainly dispersed by:
A. Wind
B. Water
C. Explosion
15. Seeds with hooks are dispersed by:
A. Wind
B. Water
C. Animals
16. Some seeds are scattered when pods:
A. Burst open
B. Melt
C. Grow roots
17. Wind-pollinated flowers are generally:
A. Bright and large
B. Small and light
C. Heavy and scented
18. Bright colors in flowers mainly help in:
A. Water absorption
B. Root growth
C. Attraction of agents
19. Flower adaptations mainly help in:
A. Survival and reproduction
B. Soil formation
C. Leaf shedding
20. The main importance of flower structure is:
A. Water storage
B. Reproduction efficiency
C. Root development