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Q.

Which of the following statements is correct?

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a

Sporopollenin can be degraded by enzymes.

b

Sporopollenin in made up of inorganic materials.

c

Sporopollenin can withstand high temperatures as well as strong acids and alkalis.

d

Sporopollenin can withstand high temperatures but not strong acids.

answer is C.

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Detailed Solution

The hard outer layer of pollen grain called 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 sporopollenin is so far known.

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