1. Tardigrade
  2. Question
  3. Biology
  4. The outermost layer of exine of a pollen grain is made up of

Q. The outermost layer of exine of a pollen grain is made up of

 2277  260 Himachal Pradesh PMTHimachal Pradesh PMT 2005Sexual Reproduction in Flowering Plants Report Error

Solution:

Sporopollenin is the product of oxidative polymerisation of carotenoids.