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easyMCQNEET (UG) 20182026Biology
1 mark

Which of the following has proved helpful in preserving pollen as fossils?

  1. A
    Oil content
  2. B
    Cellulosic intine
  3. C
    Pollenkitt
  4. D
    Sporopollenin

Solution & Step-by-step Explanation

The exine (outer layer) of pollen grains is made of sporopollenin, which is one of the most resistant organic materials known. It can withstand high temperatures and strong acids/alkali. No enzyme that degrades sporopollenin is so far known.

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Which of the following has proved helpful in preserving pollen as fossils?
A
Oil content
B
Cellulosic intine
C
Pollenkitt
D
Sporopollenin

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Sexual Reproduction in Flowering PlantsPollen GrainPalynology

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