BHU PMT BHU PMT (Screening) Solved Paper-2005

  • question_answer
    Thigmotropism is best observed in :

    A)  roots                                   

    B)  leaves

    C)  tendrils                               

    D)  stems

    Correct Answer: C

    Solution :

                     Movement of curvature are movements in which organs of plants move or curvature takes place. Tropic movements are movements in which direction of the movement is always related to the direction of the stimulus, e.g., Thigmotropism movement. Thigmotropiam are movements in which external stimulus is touch. They are very common in plants climb by tendrils. Roots and stems shows phototropism and geotropism type of movements of curvature.


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