Distinguish between pollination and fertilization

Distinguish between pollination and fertilization. Mention the site and product of fertilization in a flower.
Draw a neat, labelled diagram of a pistil showing pollen tube growth and its entry into the ovule

The process or mechanism of transfer of pollen grains from the anther to the stigma is termed pollination.
The fusion of male and female gametes giving rise to zygote is termed fertilization.
The site of fertilization is ovule.
The product of fertilization is zygote.