One of the most resistant biological material present in the exine of pollen grain is?

Pectocellulose

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Sporopollenin

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Suberin

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Cellulose

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Solution

The correct option is B Sporopollenin
Outer layer (exine) of pollen grain is made of a highly resistant substance called sporopollenin. Sporopollenin is not degraded by any enzyme. It is not affected by high temperature, strong acid or string alkali. Because of sporopollenin, pollen grains are well preserved as fossils.

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The most resistant organic material present in the exine of pollen grains is:

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