Question

How much percentage of pollen grains do angiosperms sheds at 2- celled stage?

• A. >40
• B. >50
• C. >60
• D. >70

Answer 1

The correct option is C

>60

>60% $\to$ pollen grains are shed at 2-celled stage. The pollen grain has generally two cells - a generative and vegetative cell. At this stage, it is shed. For the remaining 40%, The generative cell further divides to form two male gametes. So now the pollen has 3 cells. at this stage, it gets shed.