Practice Test | Kullabs.com
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  • When our drinking water gets contaminated, it invites diseases such as ______.

    all the answers are correct
    dysentery
    cholera
    diarrhoea
  • If water is left still in a container for a long period of time then solid dirt settles to the bottom which is known as ______.

    none of the answers are correct
    purification
    sediments
    clean water
  • Air pollution causes ______.

    heart diseases
    all the answers are correct
    foot ache
    hearing power
  • Which one is the method of controlling noise pollution?

    All answers are correct
    Green belts should be where there is high is high level of noises.
    Waste materials should be disposed properly.
    Industrialization and urbanization should be well managed.
  • What is the full form of SODIS?

    Solid Water Dilection System
    Solar Water Disinfection System
    Sodis Water Disinfection System
    Solid Wave Disinfection System
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