Question

Sort the following examples into unisexual flowers and bisexual flowers - Coconut, Maize, Cucumber, Papaya, Castor, Onion, Watermelon.

Answer 1

Unisexual:

1. A flower with either stamens or carpels is referred to as a unisexual flower.
2. They are devoid of stamens and carpels.

Bisexual:

1. Flowers with both stamens and carpels are known as bisexual flowers.
2. Male and female reproductive components coexist in the same inflorescence.

Unisexual flowers:Coconut, Maize, Cucumber, Papaya, Castor, Watermelon.

1. Watermelon, coconut, maize, and papaya are unisexual flowers because at their development stage they either posses stamen or carpels.
2. The inflorescence of castor is monoecious, monoclinal, primarily wind-pollinated raceme, bearing unisexual flowers, with female flowers found on the apex and male flowers borne at the bottom of the inflorescence.

Bisexual flowers: Onion

Onion is bisexual i.e. both male & female reproductive structures are present in the same plant.