pollen grains of stigma help in ?

Pollen grain is

What helps to bring pollen grains to the stigma ?

The type of pollination that brings genetically different types of pollen grains to the stigma of a plant

What happens when a pollen grain falls on a stigma?

How do pollen grains pollute the air?

Transfer of pollen grains from the anther to the stigma of another flower of the same plant is called

The pollen grains contain.

The type of pollination involving transfer of pollen grains from anther to the stigma of the same flower is known as

Winged pollen grains are seen in

An anther has 3600 pollen grains. How many pollen mother cells must have been there to produce them?