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Question

Pollen tube always enter the female gametophyte through the .

A
chalaza
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B
integuments
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C
micropyle
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D
synergids
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Solution

The correct option is C micropyle
If the pollen and the stigma are compatible, it results in the germination of the pollen grains to form a pollen tube. Pollen tube grows and travels through the style to reach the ovary. It then enters the female gametophyte or the embryo sac through the micropylar end and into the synergids through the filiform apparatus.

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