ReNEET 2026 · Biology · Q127Plant Growth and DevelopmentIn our bank: Strong match · 90%
Which of the following plant growth regulators promotes internode elongation prior to flowering in cabbage?
- A.Abscisic acid
- B.Gibberellin✓
- C.Indole butyric acid
- D.Ethephon
Correct Answer
(B) Gibberellin
Solution & Explanation
Gibberellins cause internode elongation (bolting) — for example the elongation of the stem/internodes in rosette plants like cabbage just before flowering.
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