Question

name the chemical substance present in exine and intine of pollen grain. Draw diagram of pollen grain and label following parts. (1) Exine(2) Intine(3) vegetative cell (4) germinal cell​

Answer 1

Answer:

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.

Answer 2

Explanation:

प्रारूपिक आवृत्तबीजी विज्ञान के भागों का