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What does self incompatibility provides ...

What does self incompatibility provides for a plant ?

A

Means of transferring pollen to another plant

B

Means of coordinating the fertilization of egg with the development of store before if fertilize the egg cell

C

A mean of destroying foreign pollen before it fertilizes the egg cell

D

A biological block to self fertilization so that cross fertilization is assured

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The correct Answer is:
D
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