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Structure of Male Reproductive Part

Sporopollenin...

Question

Sporopollenin occurs in.

A

Female gametophyte

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B

Male gametophyte

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C

Vegetative cells of pollen grain

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D

Exine of pollen wall

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Solution

The correct option is D Exine of pollen wall
Sporopollenin is hardest organic substance and it made up of fatty acid and carotenids is present in outer wall of pollen grain .Pollen grain has two grain one is inner which is known as intine and other is outer which is known as exine.it protect pollen grain and increases its viability.
Correct option is D.

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Similar questions

Q. [A]: Microspores or pollen grains are safely deposited in the fossils
[R]: Pollen grains have sporopollenin in their intine

Q. During development of male gametophyte from pollen mother cell, there occurs

Q. Which among the following statements is correct?
(a) The vegetative cell of pollen grain divides to form the male gametes.
(b) Sporopollenin is absent in the germ pores.
(c) Intine of pollen grains is made up of cellulose and pectin.
(d) Pollen grains represent the male gametophyte.

Q. Assertion: Pollen grains are well preserved as fossils.
Reason: The outer layer of pollen grains called the exine is made up of sporopollenin.

Q. An angiospermic plant is having

24

chromosomes in its leaf cells. The number of chromosomes present in pollen grains, female germ cell, respectively.

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