Question

what is the difference between self pollination and cross pollination describe the process of double fertilization in plants

Answer 1

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).

Answer 2

hey good evening dear,heres ur answer......
self pollination means transfer of pollen grain from anther to stigma of same flower....
WHEREAS,,,
cross pollination means transfer of pollen grains from anther to stigma of another flower... And the process of double fertilization u can see from the answers which I hve given before