Ii When the pollen grains from the anther of a flower on one plant are transferred to the stigma of a flower on another similar plant it is called cross pollination. When the pollen grains from the anther of a flower are transferred to the stigma of the same flower or another flower on the same plant it is called self pollination. Explain The Difference Between Cross Pollination And Self Pollination In Plants Google Search Planting Flowers Plants Flower Reproduction