Name the chemical substance present in exine and intine of
pollen grain- Draw a diagram of pollen grain and label
following parts.
¼i½ Exine ¼ii½ intine
¼iii½ Vegetative cell ¼iV½ Germinal cell.
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layers, the intine and the exine. The intine, or inner layer, consists primarily of cellulose and pectins. The exine, or outer layer, is composed of a highly decay-resistant chemical called sporopollenin.
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