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Question
Students were on an excursion to a botanical garden. They noted the following observation. Will you be able to help them in understanding those condition?
While having lunch onion slices were served to them. Teacher asked which part of the plant are you eating?
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Solution
- The edible part of an onion is fleshy leaves.
- Onion is a bulb, in which stem is highly reduced, discoid and possesses adventitious roots at the base.
- This stem bears a whorl of fleshy leaves which store food material.
- The scale leaves or fleshy leaves are arranged in concentric manner over the stem. Some outer scale leaves become thin and dry. Thus, it is also called as tunicated or layered bulb.
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