Haryana PMT Haryana PMT Solved Paper-2006

  • question_answer
    Thigmotropism occur due to the :

    A)  light                                     

    B)  contact

    C)  temperature                    

    D)  pressure

    Correct Answer: B

    Solution :

                    contact or touch stimulus indused growth movements are called as thigmotropism e.g., Winding of tendril, twisting of twiner, stem of cuscuta roots of Vanilla


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