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Question
The inner wall of pollen grain is called ____A_____ and it is made up of ____B___.
The inner wall of pollen grain is called ____A_____ and it is made up of ____B___.
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Solution
The correct option is A A - intine, B - cellulose and pectin
The pollen grain is the male gametophyte. The wall of pollen grain is made up of two layers.
Intine is the inner wall of the pollen grain. It is made up of cellulose and pectin. It is a thin continuous layer.
Exine is the outer wall of the pollen grain. It is hard and made up of a highly resistant organic substance called sporopollenin.
Figure : Structure of pollen grain
The pollen grain is the male gametophyte. The wall of pollen grain is made up of two layers.
Intine is the inner wall of the pollen grain. It is made up of cellulose and pectin. It is a thin continuous layer.
Exine is the outer wall of the pollen grain. It is hard and made up of a highly resistant organic substance called sporopollenin.
Figure : Structure of pollen grain Suggest Corrections
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