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Pollution of Air and Water Test - 4

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Pollution of Air and Water Test - 4
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  • Question 1
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    Which one of the following is a major pollutant which causes air pollution?

  • Question 2
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    The depletion of oxygen due to excessive plant growth by the enrichment of nutrients in water is:

  • Question 3
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    Substances that decay naturally are called:

  • Question 4
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    Which one of the following methods can be used to remove larger particles of solid impurities from water?

  • Question 5
    1 / -0

    Which one of the following statements is correct?

    Statement 1: The oxides of nitrogen react with water to form sulphuric acid.
    Statement 2: The oxides of sulphur react with water to form sulphuric acid.

  • Question 6
    1 / -0

    Which one of the following is a source of water pollution?

  • Question 7
    1 / -0

    _____ is added to water to separate the smaller particles from water by making them heavier in the process of loading.

  • Question 8
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    Increasing concentration of toxic substances in the tissues of organisms at successively higher levels in a food chain is:

  • Question 9
    1 / -0

    Which of the following has the highest affinity for hemoglobin present in blood?

  • Question 10
    1 / -0

    A structure made of glass walls and roof in which the plants that need protection from cold weather are grown is known as:

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