2. Solved Papers
  3. Haryana PMT

Haryana PMT Haryana PMT Solved Paper-2001

  • question_answer
    Kogi and Haggen Smit (1931) isolated which plant growth regulator from human urine :

    A)  ethylene                            

    B)  auxins

    C)  gibberellins                       

    D)  ABA

    Correct Answer: B

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