NEET 2023 · Class 11

Plant Growth and Development

In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as

  1. (A)Dedifferentiation
  2. (B)Development
  3. (C)Senescence
  4. (D)Differentiation

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 scenario of leaf mesophyll cells forming callus.

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