POLLINATION: Transfer of pollen grains from anther to the stigma of a pistil is termed as pollination.

Image Courtesy : cwf-fcf.org/en/discover-wildlife/resources/educational-units/process-of-pollination.jpg

Based on the source of pollen grains, Pollination is of  three  types:-

                     1) AUTOGAMY

                     2) GEITONOGAMY

                     3) XENOGAMY