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Why do you think the exine shud be hard? what is the function of germ pore? how will we answer this if asked for 3 marks?



Exine should be hard coz :- 
1.It protects pollen grains during unfavourable conditions.
2.It safeguards the pollengrains.

Germ pore helps in the formation of pollen tube and the release of male gamete in during the fertilization..

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