Question

Any cell, tissue or an organ removed from a plant for the purpose of culturing is called:

• A. Stock
• B. Scion
• C. Explant
• D. Embryoid

Answer 1

The correct option is C

Explant

The correct option is C:

Explanation of the correct option :

1. Plant cells are totipotent.
2. Plant cells can be cultured to grow entire plants.
3. In-plant tissue culture, a small meristematic tissue is known as an explant.
4. An explant generates a mass of undifferentiated cells called callus.

Explanation of the incorrect options:

Option A:

1. The supporting portion of the plant is called stock.
2. The stock has a root system and is generally disease resistant.
3. It is the plant in which grafting is done.

Option B:

1. The part of the plant grafted on the stock is called the scion.
2. Scion is a stem cutting from a plant of desirable variety, like a plant having superior quality flowers.

Option D:

An embryoid is a mass of plant or animal tissue that resembles an embryo.

Final answer: Any cell, tissue, or an organ removed from a plant for the purpose of culturing is called an explant.