Question

In over 60% of angiosperms, pollen grains are shed at O A 2-celled stage O B 3-celled stage O c 4-celled stage OD 1-celled stage​

Answer 1

Answer:

In over 60 per cent of angiosperms (mostly dicots), pollen grains are shed at 2-celled stage. In the remaining species, the generative cell divide mitotically to give rise to the two male gametes before pollen grains are shed (3-celled stage.