Question

The exine of a pollen grain is made up of *

(a) Sporopollenin

(b) Cellulose

(c) Pectin

(d) Lipid and protein​

Answer 1

Answer:

Sporopollenin

Explanation:

hope it helps u.....

Answer 2

Answer:

Sporopollenin

Explanation:

While the exine is composed of sporopollenin, a complex and highly resistant biopolymer containing fatty acids, phenylpropanoids, phenolics and carotenoids, the intine is largely composed of pectin and cellulose. The origin and genetic control of the synthesis of the two pollen wall layers is different.