| Pollination | Fertilization |
| Definition. It is transfer of pollen grains from anther to the stigma of a flower. | It is the fusion of male and female gametes. |
| Step. Pollination precedes fertilization. | Fertilization occurs only after pollination when the pollen grain has germinated and sent the male gametes to ovule. |
| Purpose. It carries the male gamete producing pollen grains to the female sex organ. | It actually brings about fusion of gametes |