SSC Ecology And Environment Sample Paper NCERT Sample Paper-3

  • question_answer
    One of the human diseases due to bio magnification of heavy metals is

    A)  minamata        

    B)  asthma

    C)  Tuberculosis

    D)  elephantiasis.

    Correct Answer: A

    Solution :

    [a] Minamata disease is a neurological syndrome caused by severe mercury poisoning. Minamata disease was first discovered in Minamata city in Kumamoto prefecture, Japan, in 1956. It was caused by the release of methyl mercury in the industrial wastewater from the Chisso Corporation's chemical factory, which continued from 1932 to 1968. This highly toxic chemical bio accumulated in shellfish and fish in Minamata Bay and the Shiranui Sea, which, when eaten by the local populace, resulted in mercury poisoning.

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