Q.

What is the role of germ pore in pollen grain ?

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a

Emergence of hypocotyl

b

Emergence of radicle

c

Emergence of plumule

d

Emergence of pollen tube

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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What is the role of germ pore in pollen grain ?