Question

Explain by giving one example each:
(1) Unisexual flowers
(2) Bisexual flowers

Hint:

Unisexual = single sex parts, Bisexual = both sex parts in same flower.

Answer 1

1. Unisexual flowers: These are flowers which have either stamens (male reproductive part) or pistils (female reproductive part), but not both.
Example: Papaya and watermelon have unisexual flowers. 
2. Bisexual flowers: These are flowers which contain both male (stamens) and female (pistils) reproductive organs in the same flower. 
Example: Hibiscus and mustard have bisexual flowers.