The three cells found in a pollen grain when it is shed at 3-celled stage are

Options

A. 1 vegetative cell, 1 generative cell, 1 male gamete
B. 1 vegatative cell, 2 male gametes
C. 1 generative cell, 2 male gametes
D. either (a) or (b)

Answer

B

Explanation

A pollen grain with pollen tube carrying male gametes represents mature male gametophyte. It is 3-celled (one tube cell `+2` male gametes) and 3-nucleated (one tube nucleus `+` two nuclei of each male gamete) structure.