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प्रश्न
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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उत्तर
- 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.
APPEARS IN
संबंधित प्रश्न
Write a short note on fasciculated tuberous root.
Write a short note on leaf venation.
Identify the following figures and write down the types of leaves arrangement.
Students were on an excursion to a botanical garden. They noted the following observation. Will you be able to help them in understanding those conditions?
A wiry outgrowth was seen on a plant arising from in between the leaf and stem.
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?
A plant had leaves with long leaf apex, which was curling around support.
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?
A plant was found growing on other plant. Teacher said it is not a parasite. It exhibited two types of roots.
Students were on the excursion to a botanical garden. They noted following observation. Will you be able to help them in understanding those condition?
Students cut open a Papaya fruit and found all the seeds attached to the sides. Teacher inquired about the possible placentation of Papaya ovary.
Observe the following figure and label the different parts.
Differentiate with diagrammatic representation Reticulate and parallel venation
Differentiate with a diagrammatic representation Tap root and Adventitious roots.
