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Question

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


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Solution

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.


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