Question

Male gametophyte in Pinus have

• A. 1 Prothallial cell
• B. 2 Prothallial cells
• C. 4 Prothallial cells
• D. A mass of cells

Answer 1

The correct option is B 2 Prothallial cells

In pinus, the microspore or pollen grain consists of two prothallial cells and one antheridial cell. The prothallial cells represent the vegetative tissue of the male gametophyte and the antheridial cell divides to form a small generative cell and a large tube cells.

So, the correct answer is option B.