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Question

Which of the following plant parts in garlic onion is edible?


A

Underground stem

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B

Fleshy scale leaves

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C

Tunic

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D

Adventitious roots

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Solution

The correct option is B

Fleshy scale leaves


The correct option is B

Explanation of the correct option:

  1. Onion and garlic are also examples of underground stems.
  2. The bulb is formed by many nodes in the stem overlapping.
  3. The fleshy and scaly leaves are attached to the base of the bulb.
  4. The fleshy and scaly inner leaves are edible.

Explanation of the incorrect option:

Option A:

  1. Underground stems are modified plants.
  2. It does not have the typical green color of stems.
  3. The underground stems develop beneath the ground.
  4. Examples: rhizomes, tubers, corn, and bulbs.

Option C:

  1. The tunic is a subterranean stem.
  2. The tunicated bulb is protected by a layer of membranous scales.
  3. The tunic is a dried covering on the fleshy leaves of the bulb.
  4. It is inedible.

Option D:

  1. The adventitious roots grow from any part of the plant.
  2. Onion and garlic have adventitious roots.
  3. The adventitious roots are inedible.

Final answer: Fleshy scale leaves parts in garlic onion is edible.


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