Question

part of a flower that produces pollen grains

Answer 1

Explanation:

Stamen: The pollen producing part of a flower, usually with a slender filament supporting the anther. Anther: The part of the stamen where pollen is produced. Pistil: The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma.

Answer 2

Pollen grains are produced by anther which is apart of stamens  i.e, the male reproductive part of a plant.