5th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    What are the consequences of water pollution?
    1. Eutrophication occurs in water bodies i.e., these are filled with organic and other wastes.
    2. Harmful pathogens from water bodies can enter human body and cause diseases like typhoid, cholera etc.
    3. Global warming is a major consequence of water pollution.
    4. Water pollution pose danger to aquatic life.

    A) 2 and 3

    B) 1, 3 and 4

    C) 1, 2 and 4

    D) Only 4

    E) 1 and 2

    Correct Answer: C


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