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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development1 Mark
MCQ
Gibberellins promote:
  • A
    Seed dormancy
  • B
    Leaf fall
  • C
    Seed germination
  • D
    Root elongation
✓

Answer

  1. Seed germination

Explanation:

Gibberellin is a plant hormone which is involved in various physiological processes of plants.It is a plant growth regulator.It is promotes stem elongation, seed germination, leaf and fruit senescence, etc.It breaks the seed dormancy that require cold or light to germinate.

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