The edible part of the coconut is
Seed/Endosperm
The correct option is D.
Explanation of the correct option:
Explanation of incorrect options:
Option A:
The endocarp is the hard shell that surrounds the endosperm and is not edible.
Option B:
The mesocarp is a fibrous husk and is not edible.
Option C:
Final answer: The edible part of the coconut is the seed/endosperm.