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      Question

      Which hormone is most widely used for inducing roots in

      cuttings?
      A GA3 Correct Answer Incorrect Answer
      B IBA (Indole-3-Butyric Acid) Correct Answer Incorrect Answer
      C ABA Correct Answer Incorrect Answer
      D Cytokinin Correct Answer Incorrect Answer

      Solution

      IBA is a synthetic auxin that is highly effective at promoting adventitious root formation. It is preferred because it is non-toxic over a wide range of concentrations.

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