SSC Ecology And Environment Sample Paper NCERT Sample Paper-6

  • question_answer
    The most hazardous metal pollutant of automobile exhaust is

    A)  Lead               

    B)  copper

    C)  Mercury

    D)  cadmium

    Correct Answer: A

    Solution :

    [a] The automobile-exhaust causes 60% of atmospheric pollution. It contains carbon monoxide, sulphur dioxide, oxides of nitrogen, lead and ammonia. The lead is used as an anti-knock reagent in the petrol, which is released along with the exhaust. Its higher doses cause lead poisoning.

You need to login to perform this action.
You will be redirected in 3 sec spinner