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

Medium

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

A
Cutin
B
Suberin
C
Sporopollenin
D
Callose

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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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How many meiotic divisions will be necessary to produce $200$ pollen grains?

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Easy

The wall of a microsporangium is generally composed of how many layers?

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