NEET 2004 · Class 11

Plant Growth and Development

Cell elongation in internodal regions of the green plants takes place due to

  1. (A)indole acetic acid
  2. (B)cytokinins
  3. (C)gibberellins
  4. (D)ethylene

The NCERT line that answers it

Verbatim line

Gibberellins also promotes bolting (internode elongation just prior to flowering) in beet, cabbages and many plants with rosette habit.

Chapter
Plant Growth and Development
Section
13.4.3 Physiological Effects of Plant Growth Regulators
Page
10
Words matched
19 of 19

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 states that gibberellins promote 'internode elongation' in plants, which directly matches the MCQ's focus on cell elongation in internodal regions.

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