Question

what do you mean by cross and self pollination.

Answer 1

Self-pollination refers to a flower that has the ability to pollinate itself and other flowers produced by the same plant. It does not need another plant's pollen for fertility

Answer 2

Cross pollination means that to pollination by insects , wind , animals , etc.
Mainly by insects ...

Self pollination means that to pollination by itself and make and grow their own baby plant by itself ....
Ex . HIBICUS