2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Pollution of Air and Water

Railways General Science & Technology Pollution of Air and Water Sample Paper Water Pollution Sample Test Paper-21

  • question_answer
    Due to eutrophication____.

    A)  BOD increases

    B)         BOD decreases

    C)  Algae are destroyed       

    D)  Water becomes less harmful

    Correct Answer: A

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