Q. Self-incompatibility -
(I). Is a device to prevent inbreeding.
(II). Provides a biochemical biock to self-fertilization
(III). Ensures cross-fertilization
(IV). Is governed by pollen-pistil interaction
(V). Is governed by series of multiple alleles
(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

 3833  182 Sexual Reproduction in Flowering Plants Report Error

Solution:

Correct answer is (a) All are correct