The transfer of pollen grains from the anther to the stigma is called

The transfer of pollen grains from the anther of  particular flower to the stigma of another flower of a same kind is called ________

The birds and human beings depends on ______ for their food.

Seeds of silk cotton spread through _____

The pollen in the pollen tube goes to the

Seeds of plants like rough chaff , grass and achyranthus spread through ___________.

A non -living factor is

The seed of banyan tree and  neem trees are spread by

_________ is the birth place of Banyan tree.

Which is the birth place of onions?