\nTuber:- Here lower branches are positively geotropic and get buried in the soil. The starch gets accumulated there. So they swelled up and become spherical. On the nodes, there are buds called eyes. The reserve food is starch. Examples:- Potatoes.
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Bulb:- Here internodes are highly condensed and become bulb-like. Leaves are fleshy, storing food. Roots are produced from the base of the bulb. Examples- Onion, Garlic, etc.
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Corm:- It is a short, thick and highly condensed form of the rhizome. The corms bear buds at internodes and adventitious roots at the base, Examples- Amorphophallus, Alocasia, etc.
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\n"},"comment":{"@type":"Comment","text":"These are the storage organs of the plant."},"encodingFormat":"text/markdown","learningResourceType":"Practice problem","suggestedAnswer":[],"text":"Explain the underground stem."},"name":"Quiz on Reproduction and Modification in Plants","typicalAgeRange":"10-17","url":"https://www.embibe.com/questions/Explain-the-underground-stem./EM5426014"}