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Environmental I...

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  • Question 1
    1 / -0

    Biomedical waste may be disposed of by

  • Question 2
    1 / -0

    Electronic devices consist of materials such as _____, which are a challenge to recycle.

  • Question 3
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    In year 2010, Cobalt-60 accident occurred in _____

  • Question 4
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    Study the following lists

    List IList II
    A)BODI)Treatment of sewage
    B)KVICII)Measure of organic matter in water
    C)LABIII)Biological methods for controlling plant diseases
    D)STPSIV)Increases vitamin $$B_{12}$$
    V)Production of biogas

  • Question 5
    1 / -0

    Biomedical wastes are disposal into different colored containers for collecting different types of waste.

  • Question 6
    1 / -0

    According to Bharat IV, the emission of carbon monoxide should be

  • Question 7
    1 / -0

    Which of these is an example of an ecological intervention?

    I. Toxic site remediation
    II. Large-scale reforestation
    III. Introduction of new species

  • Question 8
    1 / -0

    Match the column:

    List I
    		List II
    		List III
    A) BOD
    		i) Supernatant as effluent
    		I) Useful aerobic microbes
    B) Flocs
    		ii) Measure of organic Matter
    		II) All settled solids
    C) Primary sludge
    		iii) Masses of bacteria associated with fungus
    		III) Methane, hydrogen, sulphide, carbon dioxide
    D) Biogas
    		iv) Anaerobic sludge digester
    		IV) Polluting water has more BOD

  • Question 9
    1 / -0

    The relative contribution of various green house gases to global warming is given in the following diagram:
    Identify the green house gases.

  • Question 10
    1 / -0

    Relationship between DO and BOD is that they

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