Question

what do you mean by stigma

Answer 1

It is a part of a flower
It is the sticky part of the pistle which captures pollen grains

Answer 2

$\textbf{Carpel or Pistil}$

It is a female part of flower. It consists of 3 parts :-

a) Upper broad portion called $\textbf{stigma.}$ It reduces the pollen grains.

b) Middle thin part called Style. It transfer the pollen grains from stigma to ovule.

c) Basal swollen portion called Ovary. Ovary contains ovule which contains female gamates.
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