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STD 11 - 13. Plant growth and development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 13. Plant growth and development1 Mark
MCQ
Leaf abscission, fruit fall, and bud dormancy occurs by which phytohormone?
  • A
    Auxin
  • B
    Cytokinin
  • C
    Gibberellins
  • ✓
    Abscisic acid
✓

Answer

Correct option: D.
Abscisic acid
d
Abscisic acid also called stress hormone, is responsible for bud dormancy, seed dormancy, abscission, leaf senescence, etc.

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