While having lunch onion slices were served to them. Teacher asked which part of the plant are you eating?

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?

Short/Brief Note

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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Evidences of organic evolution > Morphology

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Q 5. (G)Q 5. (F)Q 5. (H)

Chapter 9: Morphology of Flowering Plants - Exercise [Page 115]

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Balbharati Biology [English] Standard 11 Maharashtra State Board

Chapter 9 Morphology of Flowering Plants
Exercise | Q 5. (G) | Page 115

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