NEETBiologySexual Reproduction in Flowering PlantsMCQ+4 / −1
Which of the following statements is correct?
- ASporopollenin can be degraded by enzymes.
- BSporopollenin is made up of inorganic materials.
- CSporopollenin can withstand high temperatures as well as strong acids and alkalis.
- DSporopollenin can withstand high temperatures but not strong acids.
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Correct answer: C
Pollen grains are generally spherical and a prominent two-layered wall. The hard outer layer 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.
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