When the anthers do not possess pollen grains at all,these are known as

If both male and female flowers are present on the same plant,the plant is called ........

Define/Explain the following terms:
$1.$ Bisexual (Monoecious)
$2.$ Unisexual (Dioecious)
$3.$ Gamete Transfer

Flower is intersexual in

The smallest flower belongs to which of the following plants?

Examine a few flowers of any cucurbit plant and try to identify the staminate and pistillate flowers. Do you know any other plant that bears unisexual flowers?