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

Medium

The intine of pollen grains is composed of

A
Lipid and protein
B
Cellulose and pectin
C
Lignin and cutin
D
Pectin and lignin

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Class 12 Questions

Class 12

Biology Questions

Chapter

Sexual Reproduction in Flowering Plants

Subtopic

Stamen, Microsporangium and Pollen Grain

Similar Questions

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

Medium

The outer layer of a pollen grain is called $A$. This is made up of $B$. This layer is absent at the $C$. Fill in the blanks $A, B$,and $C$.

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In which of the following does meiosis take place?

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Ubisch bodies found in tapetal cells help in the formation of:

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Ubisch bodies are associated with the development of:

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