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10th Class Science Control and Coordination Question Bank 10th CBSE Science Control and Coordination

  • question_answer
      How do auxins promote the growth of a tendril around a support?              [NCERT]

    Answer:

                    The movement of tendril around the support is caused by the auxin hormone. Less auxin occurs on the side of contact as compared to the free side. Auxin promotes the growth on the free side. As a result of growth on the free side, the tendril coils around the support.


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