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Development of Male Gametophyte

Intine of pol...

Question

Intine of pollen grain is made of.

A

Callose

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B

Pecto-cellulose

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C

Cellulose

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D

Fat-like sporopollenin

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Solution

The correct option is B Pecto-cellulose
The inner wall of the pollen grain is called intine, which is a thin and continuous layer made up of pecto-cellulose that is cellulose and pectin.

So, the correct answer is option B.

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Similar questions

Q. Intine layer of pollen grain is made up of

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

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. The pollen grains are usually surrounded by an intine layer made up of?

Q. Identify the pair of wrong statements.
I. Intine of pollen grains is made up of sporopollenin.
II. Pollen grains are well preserved as fossils because of the presence of sporopollenin.
III. Enzymes can degrade the organic material of the pollen grain exine.
IV. Sporopollenin can withstand high temperature, strong acids and alkali.

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