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AMU Medical AMU Solved Paper-1996

  • question_answer
    A natural phenomenon is commonly observed in lakes, ponds and ditches that there is a rich growth of algae and other microorganisms which consume much of the dissolved oxygen resulting the death of fish at night. This phenomenon is termed as

    A)  litterization       

    B)  transmigration

    C)  eutrophication    

    D)  esturaization.

    Correct Answer: C

    Solution :

    : The process in which extra nutrients are added to a water body leading to tremendous growth of algae plants resulting in the reduction of dissolved oxygen, is called eutrophication (water pollution). In eutrophic water bodies sudden death of fishes takes place because of oxygen depletion.


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