NEET 2022 Re · Class 11

Plant Growth and Development

The phenomenon by which the undividing parenchyma cells start to divide mitotically during plant tissue culture is called as:

  1. (A)Secondary growth
  2. (B)Differentiation
  3. (C)Dedifferentiation
  4. (D)Redifferentiation

The NCERT line that answers it

Verbatim line

The living differentiated cells, that by now have lost the capacity to divide can regain the capacity of division under certain conditions.

Chapter
Plant Growth and Development
Section
13.2 DIFFERENTIATION, DEDIFFERENTIATION AND REDIFFERENTIATION
Page
6
Words matched
28 of 28

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly defines dedifferentiation as the phenomenon where differentiated cells regain division capacity, which directly matches the MCQ's definition and distinguishes it from other options.

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Question text is reproduced from the published NEET 2022 Re paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.