Question

______ part of pollen grain grows into pollen tube ​

Answer 1

Answer:

Stigma.........!!!!!!!!!!!!!

Answer 2

Answer:

Stigma

Explanation:

the pollen grain is recognized and hydrated, the pollen grain germinates to grow a pollen tube. There is competition in this step as many pollen grains may compete to reach the egg. The stigma plays a role in guiding the sperm to a receptive ovule, in the case of many ovules.