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Question

What happens to pollen tube after fertilization?

A
It becomes haustorial
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B
It becomes nutritive
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C
It gets collapsed
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D
It becomes branched
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Solution

The correct option is C It gets collapsed
As the generative cell moves down the pollen tube, a callus plug is formed to close it behind the generative cell. Once fertilization occurs, the pollen tube collapses and becomes non-functional.

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