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NEET2008BotanySexual Reproduction in Flowering PlantsActual

Which one of the following is resistant to enzyme action?

Options

  1. ALeaf cuticle
  2. BCork
  3. CWood fibre
  4. DPollen exine

Correct answer

D. Pollen exine

Step-by-step solution

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. Sporopollenin is formed after the oxidative polymerisation of carotenoids.

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