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Question

In which of the following type of underground modification of stem, storage of food does not occur in stem

A
Bulb
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B
Rhizome
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C
Corm
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D
Tuber
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Solution

The correct option is D Bulb
  1. A bulb is a specialized underground stem which bears roots on it's lower side of the fleshy leaf that gives rise to a new plant.Example:-Onion (Allium cepa) and Lily (Lilium bulbifera).
  2. Rhizomes are modified stem that grows horizontally at a particular depth and can store food like in ginger and turmeric.
  3. A corm is an underground modification of stem that is made for storage as in Colocasia and Saffron.
  4. A tuber is a modifies stem that gets swollen due to the accumulation of starch and protein like a potato.
So the correct option is "Bulb".

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