_______ consist of food-storing scale leaves enclosing the stem.

Bulbs

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Tubers

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A & B

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None of the above

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Solution

The correct option is A Bulbs
The bulb is a modification of underground stem. It consists of a reduced discoid (disc-shaped) stem and several fleshy scales. Numerous adventitious roots are produced from the base of the disc, which bears highly compressed internodes. Whereas tubers are swollen underground stem developed at the growing tip of a branch.

So the correct option is "Bulbs".

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