Question

how do insect help in pollination

Answer 1

insect distrub's the pollin grain and then the pollin grain fall on the same flower or shifted to another flower by the action of wind.


Then self pollination takes place.

Answer 2

Insects help in the process of pollination by transporting pollen grains from androceium(stamen) to gynoceium(carpel). They usually come in contact with flowers for nectar and in this occurring the pollen grains stick to insect 's body and get transported.