Corm, rhizome and tuber are ________ modifications.
A
underground root
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B
underground stem
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C
underground leaf
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D
aerial stem
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Solution
The correct option is B underground stem Stems of some plants get modified to perform certain functions. Stems are known to store food and such modified stems may be a corm, rhizome or tuber.
Corm is a vertically growing underground stem modification. Eg. Colocasia.
Rhizome is a horizontal underground stem modification. Eg. Ginger.
Tuber is also underground stem modification. Eg. Potato.