BHU PMT BHU PMT Solved Paper-2003

  • question_answer
    Which one has no intermediate host ?

    A)  Taenia                                 

    B)  Ascaris

    C)   Fasdola                              

    D)  Plasmodium

    Correct Answer: B

    Solution :

     The life cycle of Ascaris is monogenetic i.e., complete in one host (man) only. Man acquires infection by directly ingesting Ascaris eggs having the infective second stage-rhabditoid larva, with contaminated food or water, so intermediate host is absent in life cycle of Ascans.                 Life cycle of Fasciola hepatica is digenetic. Primary host is sheep while secondary is a snail-                 Primary host of Taeni'a and Plasmodium is man and intermediate host is pig and mosquito respectively.


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