Question

Define pollination fertilization

Answer 1

The fertilisation which occur in the ovary when pollen grains reach the pollen tube and further into the ovary is known as pollination fertilisation 

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Answer 2

When the pollen grains transger from anther to stigma and pass down to ovary through style, it is called pollinatuon fertilisation.
pollen grainsrequires any medium to travel from one plant to tje other by water or air etc.