Which of the following is a wheat fruit?

The fruit developed from a single ovary is said to be:

How many of the following plants produce composite fruits (multiple fruits) derived from a single inflorescence? Plants: Walnut,Poppy,Fig,Radish,Pineapple,Apple,Tomato,Mulberry.

Parachute type dispersal occurs in

What is the primary function of the pericarp?

The parachute mechanism of fruit dispersal as found in $Compositae$ is due to a structure named: