how do organisms reproduce ? — Science STD 10 — Question

→ Self-pollination : If the transfer of pollen occurs in the same flower from stamen to the stigma or it takes place between two different flowers of the same plant is called self-pollination.
→ Cross-pollination : If the pollen is transferred from one flower to another it is called cross-pollination.
→ This transfer of pollen from one flower to another is achieved by agents like wind, water or animals.