What is the outer layer of pollen grain?
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Pollen grains are covered with dual concentric layers or walls.
The outer shell of pollen grains are made of two layers.
The inner layer is named as the intine and it is made of cellulose.
The outer layer is called as exine and it is made of a really hard material.
The material is named as sporopollenin.
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Pollen grains are covered with dual concentric layers or walls. The outer shell of pollen grains are made of two layers. The inner layer is named as the intine and it is made of cellulose. The outer layer is called as exine and it is made of a really hard material.
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