(i) Self-pollination is the transfer of pollen grains from anther to stigma within the same flower.
(ii) It occurs either in the same flower or another flower of the same plant.
(iii) It occurs in the flowers which are genetically same.
(i) Cross-pollination is the transfer of pollen grains from anther to stigma in another flower.
(ii) It occurs between two flowers which are on different plants but are of the same
(iii) It occurs between flowers which are genetically different.