Question

Which of these is a bisexual flower?
(A) Petunia
(B) Corn
(C) Papaya
(D) None of these

Answer 1

Hint: Bisexual flowers possess both the male and the female reproductive organ on the same flowers. These flowers have the capability of doing self-pollination since they possess both the organs. The androecium is the male reproductive organ and the gynoecium is the female reproductive organ

Complete answer:
The parts of the bisexual flowers are calyx, corolla, androecium and the gynoecium. Hence, the bisexual flowers are called as the perfect flower or the complete flower. Among the Options given, petunia is the bisexual flower. But the plants corn and the papaya are the unisexual that contains only the male or the female reproductive organ. In these unisexual flowers, only the female plant can produce fruit and the male plants produce only flowers.

Additional information:
The flowers that are bisexual can undergo either self-pollination or the cross pollination. Self-pollination is the process in which the pollen grains and the ovule that undergo reproduction present on the same flower. In cross pollination, the pollen grain and the ovule that undergo reproduction are from the different flowers of the same plant or from the different plant.

Hence, the correct answer is Option (A)

Note: The tulip, lily, sunflower, Hibiscus Rosa sinensis etc. are the examples of the bisexual flowers and the papaya, watermelon and the white mulberry are the examples of the unisexual flowers. They have either male or the female sex organs in their body.