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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    The coiling of tendril around some base in response to touch is called:

    A)  hydrotaxis         

    B)         chcmotaxis       

    C)         thigmtropism  

    D)         geotaxis

    Correct Answer: C

    Solution :

    Contact or touch stimulus induced growth movements arc called  thigmotropism Example: Winding of tendril; Twisting of twiner around a solid support; Stem of Cuscuta:  Roots of Vanilla.


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