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
    A lake with an inflow of domestic sewage rich in organic waste may result in

    A)  Drying of the lake very soon due to algal bloom

    B)  An increase production of fish due to lot of nutrients

    C)  Death of fish due to lack of oxygen

    D)  Increased population of aquatic food web organisms:

    Correct Answer: C

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