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Question

Name the organic material exine of the pollen grain is made up of. How is this material advantageous to pollen grain?

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Solution

The exine is made up of sporopollenin which is one of the most resistant organic material known. It can withstand high temperatures and strong acids and alkali. No enzyme that degrades the sporopollenin. Pollen grains are well-preserved fossils because of the presence of sporopollenin.

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