Multiple choice

At which stage is the pollen grain in angiosperms released?

  1. 1- celled

  2. 2-celled

  3. 3-celled

  4. 2 or 3-celled

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

In the majority of angiosperms, pollen grains are released at the 2-celled stage (vegetative and generative cells), while in some species, they are released at the 3-celled stage.