Class 12 Biology Sexual Reproduction in Flowering Plants Stamen, Microsporangium and Pollen Grain

Medium

Choose the correct option with respect to the function of the germ pore.

A
It allows growth of pollen tube
B
It allows water absorption in seed
C
It helps dehiscence of pollen grain
D
More than one option is correct

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

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Pollen grains are able to withstand extreme temperatures and strong acids and alkali because their exine is made up of:

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Describe the process of Microsporogenesis.

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The tapetum is........

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Where is sporopollenin found?

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If the developing microspore mother cells draw nourishment by contacting the tapetal cells,the type of tapetum is called

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