Step 1: Understanding the Concept:
The fruit wall (pericarp) consists of three layers: exocarp (skin), mesocarp (middle layer), and endocarp (inner core/stone).
The edible portion varies widely among different plant species.
Step 2: Detailed Explanation:
Let us analyze the edible parts of the given fruits:
In Mango (Mangifera indica), which is a drupe fruit, the outer skin (exocarp) and inner hard stone (endocarp) are discarded.
The sweet, fleshy, and pulpy middle layer is the mesocarp, which is the sole edible part.
In Coconut, the edible part is the liquid and solid endosperm.
In Grape, the entire pericarp (exocarp, mesocarp, and endocarp) is eaten along with the placenta.
In Banana, the edible part includes both the mesocarp and the inner endocarp.
Thus, Mango is the classic example of a fruit where the mesocarp is exclusively the edible portion.
Step 3: Final Answer:
Mesocarp is the edible part of Mango.