Which fruit is bicarpellary,syncarpous,and possesses a pseudoseptum?

$A$ small,dry,one-seeded fruit in which the fruit wall is fused with the seed coat,developing from a monocarpellary ovary,is called:

In which of the following fruits,the edible part is the aril?

In which of the following plants does the dispersal of fruits take place by a parachute mechanism?

Drupe fruits are mostly ..........

From which part of the plant is coir obtained?