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Class 11BiologyPlant Growth and DevelopmentABA
Easy

Leaf fall occurs in a tree when there is an increase in the concentration of . . . . . .

KCET 2005All KCET
  • A
    Auxins
  • B
    Abscisic acid
  • C
    Cytokinins
  • D
    Gibberellins
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Class 11 Questions

Class 11

Biology Questions

Chapter

Plant Growth and Development

Subtopic

ABA

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