Question

The germ pores in the pollen grain are the regions:

• A. that can withstand high temperature and strong acids and alkalis
• B. through which sperms are released into the female gametophyte
• C. which are made up of lignin and suberin
• D. which lack sporopollenin

Answer 1

The correct option is D which lack sporopollenin

Germ pores are the region of the pollen grains, where exine is ruptured or discontinuous because sporopollenin is absent at these regions. Germ pores are the sites through which pollen tube emerge out during germination.