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

    all the answers are correct
    diarrhoea
    cholera
    dysentery
  • 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 ______.

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

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

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

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