Question

Self-incompatibility –

I. Is a device to prevent inbreedig.

II. Provides a biochemical block to self-fertilization.

III. Ensures cross-fertilization.

IV. Is governed by pollen-pistil interaction

V. Is governed by pollen-pistil interaction

VI. Prevents self pollen (from the same flower or other flowers of the same plant) from fertilizing the ovules by inhibiting pollen germination or pollen tube growth in the pistil.

• A. All are correct
• B. All are wrong
• C. Only, I, II, III are correct
• D. IV,V are wrong

Answer 1

Answer: (A)

All are correct