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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
Photoperiodism is associated with:
  • A
    Auxin
  • B
    Chlorophyll
  • C
    Florigen
  • D
    Gibberellin
✓

Answer

  1. Gibberellin

Explanation:

Photoperiodism is the phenomenon in which various physiological reactions like flowering response to the relative length of dark or light periods.

Gibberellin is a plant hormone which brings about the rapid flowering in plants. It replaces the long day required for bolting in plants.

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