Monoecious plants means
(A) only male flowers are present in the plant.
(B) only female flowers are present in the plant.
(C) bisexual flowers are present in the plants.
(D) separate male and female flowers are present in the same plant.
In some flowering plants, both male and female flowers may be present on the same individual and such plants are monoecious. Monoecious plants can also contain bisexual flowers.