Question

name of the chemical substance present in exine and entine fo pollen grain .drwa a diagram of pollen grain and label following parts.

Answer 1

Answer:

The exine layer is made up of sporopollenin, which is one of the most resistant substances found in nature. The intine layer is made up of cellulose and pectin materials.

Answer 2

Answer:

pollen grain. Draw a diagram of pollen grain and label

following parts.

() Exine

ü) intine

üi) Vegetative cell (iv) Germinal cell