Required Answer
- Option (d) i.e, Pollination

The transfer of pollen from the anther (the part of the stamen containing pollen) of a flower to Female stigma, is termed as Pollination.
Pollination are of two types -
- Self Pollination.
- Cross Pollination.
‣ Self Pollination : It occurs within the same plant.
‣ Cross Pollination : It occurs between two flowers of two different plants but of the same kind.
