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Q.

The thin and continuous wall layer of pollen is

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a

Exine

b

Endothecium

c

Germ pore

d

Intine

answer is B.

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Detailed Solution

Sporoderm is the outermost protective wall around the pollen grain or microspore. It is made up of two layers. The two main layers are Exine and Intine. Exine is outer while Intine is inner  continuous layer of sporoderm made up of cellulose and pectin .

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