Which one of the following is a ‘drupe’?

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Which one of the following is a ‘drupe’?

Orange
Brinjal
Coconut
Tomato
This question was previously asked in
UPSC Geoscientist – 2023
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A drupe is a type of fleshy fruit characterized by a hard, stony layer (the endocarp) surrounding the seed, enclosed within a fleshy outer part (mesocarp) and skin (exocarp). A coconut fits this definition: the fibrous husk is the mesocarp, the hard shell surrounding the “meat” and water is the stony endocarp, and the seed is inside.
– A drupe has three layers: exocarp (skin), fleshy mesocarp, and stony endocarp surrounding the seed.
– Coconut is classified botanically as a fibrous drupe.
– Orange is a hesperidium (a type of berry).
– Brinjal (Eggplant) and Tomato are berries.
Other examples of drupes include peaches, plums, cherries, apricots, olives, and mangoes. The definition can be sometimes confusing for multi-seeded fruits or those with dry pericarps, but the presence of the stony endocarp is key for a drupe.

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