Bisexual flowers:
The flowers that contain both male and female reproductive organs in the same flower.
These flowers can self-pollinate within themselves without any external factor.
Some examples are rose, hibiscus, sweet pea, etc.
Unisexual flowers:
The flowers that contain male reproductive organs in one flower and female reproductive organs in another flower are known as unisexual flowers.
These flowers need external pollination by other factors.
Some examples are watermelon, papaya, corn, etc.
Final answer:
Examples of bisexual flowers – Rose, Hibiscus, and sweet pea.
Examples of unisexual flowers – Watermelon, papaya, and corn.