Question

Which of the following processes lead to formation of callus in plant tissue culture carried out in a laboratory?

• A. No differentiation
• B. Dedifferentiation
• C. Differentiation
• D. Redifferentiation

Answer 1

Answer:

B. Dedifferentiation

• Dedifferentiation leads to formation of cork cambium and interfascicular cambium.

• Dedifferentiation is the phenomenon that leads to regaining the lost capacity of cells or tissues of plants to divide under special conditions.

• Differentiation is the division and growth of cells in order to attain maturity.

• Redifferentiation is the maturation of dedifferentiated cells thereby specializing for a particular function.

• Development includes all the changes undergone by a living plant from seed emergence to death.