From which part of the plant is coir obtained?

Mango and coconut are 'drupe' type of fruits. In mango,the fleshy mesocarp is edible. What is the edible part of coconut? What does the milk of tender coconut represent?

$A$ dry dehiscent fruit which develops from a multicarpellary,syncarpous superior ovary with axile placentation is:

$A$ dry,indehiscent,single-seeded fruit derived from a bicarpellary,syncarpous,inferior ovary is known as:

The juicy hair-like structures found in lemon fruits develop from the .......... .

$A$ fruit that develops from an inferior ovary and has chambers containing seeds on the septa is known as: