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

In papaya, the flowers are:

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?

Which whorl of a flower attracts insects?

Identify $A$ to $E$ in the following diagram.

Mention the social,religious,and cultural value of flowers.