Q. The number of prothallial cells in male gametophyte of $Pinus$ is
A) 2
B) 1
C) 3
D) 0
Explanation
The unicelled microspore of $Pinus$ undergoes three divisions of microgametogenesis, so as to form a four celled pollen grains or male gametophyte. There are two prothallial cells, a generative cell and a tube cell.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.