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Q.

Which one of the following statements is incorrect?

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a

Pollen grains of many species cause severe allergies.

b

Stored pollen in liquid nitrogen can be used in the crop breeding program.

c

Tapetum helps in the dehiscence of anther

d

Exine of pollen grains is made up of sporopollenin.

answer is C.

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Detailed Solution

Tapetum nourishes the developing pollen grains. The outer three wall layers (epidermis, endothecium, middle layers)  perform the function of protection and help in dehiscence of anther to release the pollen.

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