Question

Which of the following statements truly describes self-incompatibility in plants?
(A). Self-incompatibility prevents self-fertilization in plants.
(B). Self-incompatibility promotes outcrossing and thus increases genetic diversity within plant populations.
(C). Self-incompatibility is a mechanism that allows plants to self-fertilize efficiently.
(D). Self-incompatibility is controlled by genetic mechanisms within the plant.

• A. (A), (B) and (C) only
• B. (B), (C) and (D) only
• C. (A), (C) and (D) only
• D. (A), (B) and (D) only

Hint:

"Self-incompatibility" literally means the plant is incompatible with its own pollen.
Therefore, it always prevents self-fertilization and encourages cross-pollination.

Answer 1

The Correct Option is D