Question

1
19) Name the organic chemical present in exine
of pollen grain
​

Answer 1

Answer:

sporopollenin

(a) The hard outer layer called exine is made up of sporopollenin which is one of the most resistant organic material. It can withstand high temperature, strong acids and alkalis. It cannot be degraded by any of the known enzymes. Hence, it acts as a shield and protects the pollen grain from getting damaged.

Answer 2

Explanation:

Please mark it as brain list and follow me friends