Question

define pollination and fertilisation..answer fast

Answer 1

Hi friend, 
Here is your answer:
For seeds to be formed, pollen grains produced in the anthers must be transfered from the anther to the stigma of the gynoecium. This is called pollination.

The fusion of the male gamete with the female gamete is called fertilization.

Answer 2

$\huge{\mathcal{\underline {Hey \: Dude!}}}$

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$<b><font size ="6">Cross - Pollination :</font size ="6">$

☛ Pollination is simply defined as a transfer of pollen from the male part of the flower, the stamen, to the female part of the flower, the pistil.

☛ It is one of the most important processes when it comes to plant reproduction and is a crucial part of the ecosystem.

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Thanks for the question !