The following events are/is not a part of ‘pollen pistil interaction’
A) Pollination
B) Germination of pollen grain
C) Growth of pollen tube through style
D) Entry of pollen tube into the ovule
E) Fertilisation

Pollination and fertilization ar enot part of pollen pistil interactions.

All these events–from pollen deposition on the stigma until pollen tubes enter the ovule–are together referred to as pollen-pistil interaction.