Pollen grains, the male gametophytes responsible for plant reproduction, are composed of two main layers: the exine and the intine. The exine forms the tough outer coat of the pollen grain, while the intine forms the inner layer.
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Exine functions as a protective layer for the pollen grain and the intine helps in the germination of the pollen tube.
What are intine and exine made up of?
Intine is made up of pectin and cellulose and exine is made up of sporopollenin.
What is called exine?
The outer layer of a pollen grain is called exine.
What is intine in pollen?
Intine is the inner layer of pollen grain which helps in its development and germination.