The process of pollination involves the transfer of pollens from
Answer Details
Pollination is the process by which pollen grains from the male reproductive part of a flower, called the anther, are transferred to the female reproductive part of a flower, called the stigma. So, the correct option would be "II to III" since pollen grains are transferred from the anther (located in the stamen of the flower) to the stigma (located in the pistil of the flower).