Question

Why is stigma sticky and through which part of the ovule the pollen tube enters?​

Answer 1

Answer:

Stigma is sticky so that it can trap the pollen grains . It enters through micropyle.

Answer 2

Stigma is the female reproductive part of the plant, it is sticky because pollen grain will be falling on this stigma only.so, to hold the pollen grain the stigma is sticky

Through micropyle the pollen tube enters the ovule

hope this helps you✌️✌️