Geocarpic fruit is
Groundnut
The correct option is B.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
Carrot is a modified root and stores food.
Option C:
Radish is a modified root and stores food.
Option D:
Orange is a citrus fruit and it is a modified berry known as a hesperidium.
Final answer: An example of geocarpic fruit is groundnut.