Question

what is mean by self pollination​

Answer 1

the pollination of a flower by pollen from the same flower or from another flower on the same plant is known has self poll

Answer 2

Answer:

when pollens are transfered to a stigma of same flower of same plant or another flower of same plant is called self pollination.  

Explanation:

In self pollination genetic variation does not occur and hence generally prohibited by plants.