Which set of vegetables is underground stem or modified stem of a

Which set of vegetables is underground stem or modified stem of a plant?

Potato, artichoke, round gourd
Onion, garlic, carrot
Potato, onion, garlic
Potato, garlic, turnip
This question was previously asked in
UPSC CDS-1 – 2024
Potato (tuber), onion (bulb), and garlic (bulb) are all considered modified underground stems. A potato tuber is a swollen underground stem used for storage. An onion bulb is a short, modified stem surrounded by fleshy leaves. A garlic bulb is similar, consisting of a central stem with cloves that are modified leaves/buds.
Potato, onion, and garlic are examples of vegetables that are modified underground stems adapted for storage or reproduction.
Carrots and turnips are examples of taproots used for storage, not stems. Artichoke is a flower bud, and round gourd (Tinda) is a fruit.
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