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Development of Male Gametophyte

The inner lay...

Question

The inner layer of the cell wall surrounding the pollen grains of angiosperms and gymnosperms is known as

A

Integument

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B

Intine

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C

Exine

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D

Involucre

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Solution

The correct option is B Intine
The inner wall of the pollen grain is called the intine . It is thin and continuous layer made up of cellulose and pectin. So, the correct answer is "Intine."

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I. Pollen grains are the male gametes of the flowering plant.
II. Pollen grain has a prominent two-layered wall.
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(ii) In angiosperms, pollen tube is normally an unbranched structure which usually persists after fertilisation.
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Which of the following combinations of given statements is correct?

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