10th Class Science Control and Coordination

  • question_answer 38)
        Which of the following is not associated with growth of plant? (a) Auxin                              (b) Gibberellins                 (c) Cytokinins     (d) Abscisic acid       

    Answer:

                      (d) Abscisic acid is a growth inhibitor hormone, it reverses the growth promoting effects of auxins and gibberellins. It causes dormancy of seeds, wilting of leaves, closing of stomata, etc.                                    


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