BHU PMT BHU PMT (Screening) Solved Paper-2011

  • question_answer
    Circinate vernation in leaves is caused due to

    A)  epinasty                             

    B)  hyponasty

    C)   apostrophe                     

    D)  None of these

    Correct Answer: B

    Solution :

                     Circinate ptyxis is shown by round leaves of ferns and Cycas, which show hyponasty and they take two years to open up under the influence of epinasty.


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