Question

where does the germination of the pollen grain takes place and how?

Answer 1

It takes place in the stigma of the female flower. Pollen grain divides into 2 cell

Answer 2

Pollen grains germination is happen in the stigma part of the female flower.

Explanation:

During the germination process the tube cells reformed to form into a tube like structure called pollen tube. For germination pollen tubes starts to grow towards the ovule for the fertilization. Pollen tube discharges pollen grains in the ovule for fertilization. The mature male microgamotophyte is formed with the two sperm cells of the plant.

The gymnosperms and angiosperms plants both produce pollen grains for their sexual reproduction.