Pollination is the transfer of pollen grains from the anther (male part) to the stigma (female part) of a flower, which is essential for fertilization and seed production in flowering plants. The two main types are self-pollination, where pollen is transferred within the same flower or plant, and cross-pollination, which involves the transfer of pollen between different plants of the same species. This process is facilitated by various agents like wind, water, insects, and birds. Types of pollination Self-pollination: Pollen is transferred to the stigma of the same flower or another flower on the same plant. Autogamy: Pollen transfer occurs within a single flower. Geitonogamy: Pollen is transferred between two different flowers on the same plant. Cross-pollination: Pollen is transferred from the anther of one flower to the stigma of a flower on a different plant of the same species.