The top of pistil in a flower is termed as-

Correct option is A

The correct answer is (a) Stigma.
· The stigma is the top part of the pistil (the female reproductive organ of a flower).
· It is the surface that receives pollen grains during pollination.
Information Booster:
· Stamen: The male reproductive part of a flower, consisting of the anther and filament.
· Pollen: The male gamete of the plant, produced by the anther of the stamen.
· Ovule: Located inside the ovary of the pistil, it develops into a seed after fertilization.