Plant-Kingdom Question 722

Question: Pollination of pollen grains in Pinus takes place at:

Options:

A) One celled stage

B) Two celled stage

C) Three celled stage

D) Four celled stage

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Pollination in Pinus takes place when two prothallial cells, one generative cell and one tube cell are formed, i.e.

four celled stage.