Class 12 NEET Biology Sexual Reproduction in Flowering Plants Questions Part 1

(a) : Pollen grains or microspores are formed inside anther, which is the fertile portion of stamen or microsporophyll. Inside the anther, primary sporogenous cell gives rise to microspore mother cells or pollen mother cells (MMC or PMC). Each MMC on reduction division gives rise to 4 microspores or pollens. So, these four cells will give rise to 4×4=16 pollen grains.