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Question

Which one of the following is resistant to enzyme action

A
Pollen exine
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B
Cuticle
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C
Cork
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D
Wood fibre
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Solution

The correct option is A Pollen exine
Pollen exine: It is formed of sporopollenin which is resistant to microbial, physical and chemical decomposition. Due to presence of sporopollenin, pollens can be preserved for longer period of time in fossil form.

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