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Environmental I...

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  • Question 1
    1 / -0

    Match the columns and choose the correct options.

    III
    (p)e waste(i)Waste clothing
    (q)Biodegradable waste(ii)Dirt
    (r)Inert waste(iii)Green waste
    (s)Composite waste(iv)Irreparable waste


  • Question 2
    1 / -0

    Water above the dissolved $$O_2$$ content may be considered uncontaminated.

  • Question 3
    1 / -0

    Match and find the correct option.

    IIIIII
    (a)BOD(i)Supernatant as effluent(p)Useful aerobic microbes 
    (b)Flocs(ii)Measure of organic matter(q)All settled solids
    (c)Primary sludge(iii)Masses of bacteria associated with fungi(r)Methane hydrogen sulphide carbon dioxide
    (d)Biogas(iv)Anaerobic sludge digester(s)Polluting water has more BOD

  • Question 4
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    Which of the following process does maximum destruction of ozone?

  • Question 5
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    Water (Prevention and Control of Pollution) Act was enacted during

  • Question 6
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    Polonium-$$210$$ is pollutant emitted from

  • Question 7
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    Multiple Choice Questions
    Biochemical oxygen demand may not be good index for water bodies receiving effluents from.

  • Question 8
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    The main reason for global warming is?

  • Question 9
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    A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this.

  • Question 10
    1 / -0

    Multiple Choice Questions
    Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers.

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