Question

What is flower? What is structure & function ? What is pollen grain?

Answer 1

the coloured part of a plant or tree from which seeds or fruit grow

The female parts of a flower consist of an ovary, which contains one or more ovules, a style and the stigma. The ovary is at the base of the flower. From the ovary, extends a tubular structure called the style and on the top of the style is a surface receptive to pollen called the stigma.

each of the microscopic particles, typically single cells, of which pollen is composed. Pollen grains have a tough coat that has a form characteristic of the pollen-producing plant and which can still be recognized in some archaeological deposits.

Answer 2

hey,

here is your answer,

A pollen grain is a microscopic body that contains the male reproductive cell of a plant. It is crucial in a plant's fertilization process. Learn more about this tiny structure and take a short quiz at the end.