Self-incompatibility - I. is a device to prevent inbreeding. II. Provides a biochemical block to...

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Self-incompatibility -
I. is a device to prevent inbreeding.
II. Provides a biochemical block 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.
(a) All are correct
(b) All are wrong
(c) Only I, II, III are correct
(d) IV and \( \mathrm{V} \) are wrong
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