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Q.

What is the role of germ pore in pollen grain ?

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a

Emergence of pollen tube

b

Emergence of plumule

c

Emergence of radicle

d

Emergence of hypocotyl

answer is A.

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Detailed Solution

The germ pores are apertures in the exine layer of the pollen grain where the sporopollenin is absent. The germ pore helps in the formation of the pollen tube and the release of the male gametes during fertilization.

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