The fruit of pineapple $(Ananas)$ develops from:

In which of the following are sticky fruits found?

Identify the correct features of Mango and Coconut fruits.
$(i)$ In both,the 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,the fruit develops from a monocarpellary ovary.
Select the correct option from below:

Coir is obtained from which part of the coconut fruit?

Provide definitions/explanations for the following terms:
$(i)$ Placentation
$(ii)$ Fruit

$A$ drupe fruit develops from $.......$.