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Reproduction In Organisms

Question
CBSEENBI12003387
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Sporopollenin is a constituent of pollen exine. It can be degraded by the action of

  • enzymes

  • high temperature

  • strong acids

  • cannot be degraded

Solution

D.

cannot be degraded

Exine is the outer layer of pollen grain. It is thick and smooth and culticularised. Sporopollenin is the cutin. It protects the pollen grains as microfossils. It is not degraded by enzyme. It is not affected by high temperature, strong acid or alkali. It is resistant to chemical and biological decomposition.

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