In over 40% of angiosperms, pollen grains are shed at 3 celled stage, these 3 cells are :

In over 60% of angiosperms pollen grains are shed at

In over 60% of angiosperms pollen grains are shed at

In 40% angiosperms the pollen grains are shed at

In over 60 percent of angiosperms, pollen grains are shed at

In over 60 percent of angiosperms, pollen grains are shed at

In angiosperm pollen grains are dehisced at

In angiosperm pollen grains are dehisced at

A. The pollen grain is generally spherical measuring about 25 - 50 cm in diameter. B. In over 60% of angiosperms , pollen grains are shed at 2 celled stage. Select the statement that holds true for the above statement .