Question

___ is an example of an underground stem.

Answer 1

Stem modification in potato:

1. The parts of plants are modified to perform various functions apart from the main function. These are known as modifications.
2. The stem which is modified is known as a modified stem.
3. The excess food produced in the plants is stored in the underground stem.
4. Potato is such an underground stem modified to store food.
5. Other examples of storage stem modification are ginger and onion.

Final answer: Potato is an example of an underground stem.