Which part of the fruit, labelled in the given figure makes it a false fruit?

Why is maize grain usually called as a fruit and not a seed ?

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

In some plants thalamus contributes to fruit formation. Such fruits are termed as

Identify the correct features of Mango and Coconut fruits.
($i$) In both fruit is a drupe
($ii$) Endocarp is edible in both
($iii$) Mesocarp in Coconut is fibrous, and in Mango it is fleshy
($iv$) In both, fruit develops from monocarpellary ovary
Select the correct option from below