4th Class Science Sample Paper Science Olympiad Model Test Paper-8

  • question_answer
    Which one of the following statements is incorrect?

    A) Typhoid is a water borne disease.

    B) Deafness can be caused by noise pollution.

    C) Bronchitis is an air borne disease.

    D) Typhoid is caused by the inhalation of polluted air.

    E) None of these

    Correct Answer: D


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