MCQs on Pollination

1. Pollination is the transfer of pollen grains from:

A. Ovary to stigma
B. Anther to stigma
C. Stigma to ovule
D. Ovule to ovary

2. Pollination is mainly of how many types?

A. One
B. Two
C. Three
D. Four

3. Transfer of pollen grains to the stigma of the same flower is called:

A. Xenogamy
B. Geitonogamy
C. Autogamy
D. Hybridization

4. Which of the following is a type of self-pollination?

A. Xenogamy
B. Geitonogamy
C. Autogamy
D. Hydrophily

5. Flowers which remain open are called:

A. Cleistogamous
B. Chasmogamous
C. Unisexual
D. Sterile

6. Which of the following is an example of chasmogamous flower?

A. Commelina
B. Viola
C. Oxalis
D. Peanut

7. Cleistogamous flowers are those which:

A. Open at night only
B. Do not open at all
C. Have no stigma
D. Have no pollen grains

8. Which of the following is an example of cleistogamous flower?

A. Sunflower
B. Hibiscus
C. Commelina
D. Coconut

9. Geitonogamy occurs between:

A. Same flower
B. Different species
C. Flowers of the same plant
D. Flowers of different plants

10. Xenogamy is the transfer of pollen grains between:

A. Same flower
B. Different flowers of same plant
C. Different plants of same species
D. Different genera

11. Which is the true cross-pollination?

A. Autogamy
B. Cleistogamy
C. Geitonogamy
D. Xenogamy

12. Which of the following is an example of xenogamy?

A. Oxalis
B. Sunflower
C. Commelina
D. Pea

13. Which type of pollination maintains purity of characters?

A. Cross-pollination
B. Xenogamy
C. Self-pollination
D. Hydrophily

14. Which type of pollination increases genetic variation?

A. Autogamy
B. Self-pollination
C. Cleistogamy
D. Cross-pollination

15. Pollination by wind is common in:

A. Sunflower
B. Vallisneria
C. Maize
D. Hibiscus

16. Pollination by water occurs in:

A. Hibiscus
B. Vallisneria
C. Coconut
D. Pea

17. Which pollination type always ensures seed formation?

A. Xenogamy
B. Cross-pollination
C. Cleistogamy
D. Geitonogamy

18. Which of the following is NOT a pollinating agent?

A. Wind
B. Water
C. Insects
D. Roots

19. Cross-pollination generally produces:

A. Weak plants
B. Genetic purity only
C. No variation
D. Healthier plants

20. The male reproductive part of a flower producing pollen grains is:

A. Ovary
B. Stigma
C. Anther
D. Ovule

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