Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2009

  • question_answer
    While entering in the neck of a fern archegonium, sperm shows

    A)  phototaxy                         

    B)  chemotaxy

    C)  thermotaxy                      

    D)  cyclosis

    Correct Answer: B

    Solution :

    In ferns about 32 multiflagellate, spirally coiled Sperms are produced in an the ridium. These Sperms swim towards open archegonia due to The presence of malic acid in the latter, ie, they show chemotaxy.


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