Question

Why are potatoes and fingers gingers are swollen?
Give a detailed answer.
thank you.​

Answer 1

Potatoes are stems but they get modify for the storage purpose . As they store food (Carbohydrates) they get swollen.

Same goes with gingers , colocasia , turmeric , etc

Answer 2

Potatoes are called as modified stems because it possess many qualification which is of stem . Poutatoes are underground stem .and usually called as tubers . They are called as modified stem because as it has scaly leaves, it has nodes, internodes, buds and adventitious roots.