Which of the following statements about polle | vedclass

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(C) The pollen grain wall consists of two layers: the outer exine and the inner intine.$1$. The exine is made of sporopollenin,which is one of the mos

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The intine of a pollen grain is thick and continuous.

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(C) The pollen grain wall consists of two layers: the outer exine and the inner intine.$1$. The exine is made of sporopollenin,which is one of the most resistant organic materials known.$2$. The intine is a thin and continuous layer made of cellulose and pectin.$3$. Statement $C$ is incorrect because the intine is thin,not thick.$4$. Pollen grains are indeed rich in nutrients,used as supplements,and $Parthenium$ (carrot grass) pollen is a known cause of chronic respiratory allergies.

Which of the following statements about pollen grains is incorrect?

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