Question

What is the name of the thin, circular region where the exine is absent and the pollen tube eventually emerges during germination?

Options

• Stomium

• Germ pore

• Micropyle

• Hilum

Answer 1

Germ pore

Explanation:

Germ pores are specialised areas on the pollen grain surface where sporopollenin is absent. These pores serve as the exit point for the emerging pollen tube.