NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT GROWTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one(s) is/are redifferentiated cell(s)?
A
Cork
B
Secondary cortex
C
Both
D
None
Explanation: 

Detailed explanation-1: -Redifferentiation is the process of maturing dedifferentiated cells to perform specific functions and lose their capacity to divide again. Formation of the secondary cortex, xylem, phloem, and cork are some examples of redifferentiation.

Detailed explanation-2: -A mature plant cell loses its ability to divide after being dedifferentiated. This phenomenon is called redifferentiation.

Detailed explanation-3: -The process by which a dedifferentiated cell attains a particular function and loses its ability to divide again is called redifferentiation. For example: Formation of secondary xylem and phloem from dedifferentiated cells of the cambial ring.

Detailed explanation-4: -This process is called redifferentiation. For example, usually, the cells of the cortex region differentiate into cork cambium (meristematic tissue), the outer cells of which redifferentiate into cork (bark).

Detailed explanation-5: -Tumours are the result of dedifferentiation. Tumour is formed when a differentiated cell regains the capacity to divide and shows unrestrained growth. Tumours, also known as tumour cells, are the result of uncontrolled and abnormal cell growth in an organ, skin, or membrane.

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