A mature male gametophyte is formed from pollen mother cell by

Options

A. One meiotic division
B. Two meiotic division
C. One meiotic and two mitotic division
D. Three meiotic divisions

Answer

C

Explanation

Nucleus (haploid, n) of pollen grain divide by mitosis to form a vegetative cell and a generative cell. The generative cell divide mitotically to give rise to the two male gametes before pollen grains are shed (3-celled stage).