EAMCET Medical EAMCET Medical Solved Paper-2007

  • question_answer
    Note the following
    (1) During gametogenesis reduction division occurs and gametes formed are naploid according to Bano
    (2) Erythrocytic cycle begins with the entry of either cryptozoites or micrometacryptozoites.
    (3) Maturation of gametocytes generally take place in spleen and bone marrow
    (4) The prepatent period is about 8 days
    Which of the above statements are true for Plasmodium vivax?

    A)  (1), (2) and (3)                                 

    B)  (2), (3) and (4)

    C)  (1), (3) and (4)                                 

    D)  (1), (2) and (4)

    Correct Answer: B

    Solution :

                     Development of gametes from gametocyte is known as gametogony or gametogenesis. In other animals and most Protozoa, reduction division occurs during the formation of gametes. Thus only gametes are haploid while zygote and other stages are diploid. But in Plasmodium, according to some workers (Bano, 1959), meiosis or reduction division occurs in the first division of zygote. Consequently, only zygote is diploid, while gametes and other stages are haploid.


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