Differentiate between self pollination and cross pollination . Describe the process of fertilization in plants .

Self pollination is the process of transferring the pollens from anther to stigma in the same flower. ... Cross pollination is the transfer of pollen grains from the anther of a flower to the stigma of another flower in a different plant of same or different species.

Double fertilization is a complexfertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female gametophyte (megagametophyte, also called the embryo sac) with two male gametes (sperm).