Sexual Reproduction in Flowering Plants Important Questions for CBSE Class 12 Biology Pollination 1.Pollination is the transfer of pollen grains from anther to the stigma of a pistil. (i)Autogamy is the transfer of pollen grains from anther to the stigma of the same flower. Anthers and the stigma lie close to each other in a way that self-pollination occurs, i.e. … [Read more...]