Question

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

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

Answer 1

Answer: (B)

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-nudeated (one tube nucleus $+$ two nuclei of each male gamete) structure.