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.