Wiredfaculty Logo

For Daily Free Study Material Join wiredfaculty Whatsapp Group | Download Android App | Ncert Book Download

Environmental Issues

    • Question 1
    CBSEENBI12001463
    Wired Faculty App

    In the scrubber in the electrostatic precipitator the gases are passed through :
    • filter
    • lime
    • spray of water
    • both 2 and 3

    Solution

    D.

    both 2 and 3
    Question 2
    CBSEENBI12001464
    Wired Faculty App

    Ozone depletion will cause :
    • Forest fire
    • Pneumonia
    • Increased incidence of skin cancer
    • None of these

    Solution

    C.

    Increased incidence of skin cancer
    Question 3
    CBSEENBI12001465
    Wired Faculty App

    The meaning of BOD is :
    • Bacterial oxygen demand
    • Biological optimum density
    • Biochemical oxygen demand
    • Bioorganisation decay

    Solution

    C.

    Biochemical oxygen demand
    Question 4
    CBSEENBI12001466
    Wired Faculty App

    Which of the following pollutants is not produced by exhaust of motor vehicles ?
    • CO
    • Hydrocarbon
    • Fly-ash
    • NO

    Solution

    C.

    Fly-ash

    Sponsor Area

    Mock Test Series

    Sponsor Area

    NCERT Book Store

    NCERT Sample Papers

    Entrance Exams Preparation