Question

Differentiate between self pollination and cross pollination.

Answer 1

1. Transfer of pollen grains from anther to the stigma of same flower is called self pollination.
2. Transfer of pollen grains from anther of one flower to the stigma of different flower is called cross pollination.

Self pollination	Cross pollination
No pollinating agents.	Pollinating agents required.
2. Anther and stigma reach maturity at a same time.	2. Anther and stigma reach maturity at different time.
3. It occurs only in bisexual flowers.	3. It occurs both in unisexual and bisexual flowers.
4. No new variety develop.	4. New variety are developed.