Practice test

Pollution - Test Set 3

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    The photochemical smog is generated by
    1. HCHO
    2. PAN (Peroxy acetyl nitrate)
    3. Acrolin
    4. Moisture
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  2. Question 2

    Immediate remedial measure to tackle non-degradable plastic waste pollution is
    1. Bio-diesel production
    2. as Bitumen filler
    3. C-black production
    4. Recycling
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  3. Question 3

    Redioactive wastes should be entrapped in leakproof ___________ containers before dumping into sea.
    1. concrete
    2. glass
    3. plastic
    4. steel
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  4. Question 4

    Detrimental solid waste liberated by thermal power station is
    1. Red mud
    2. Fly ash
    3. Graunlated slag
    4. Carbon black
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  5. Question 5

    The bed of catalyst used for conversion of automoblie emissions to co2 is made of
    1. Pt
    2. MnO2
    3. MoO
    4. V2O5
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  6. Question 6

    Instrument used in industry for purifying air contaminated with dust and smoke:
    1. Scrubber
    2. Blower
    3. Extractor
    4. Electrostatic precipitator
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  7. Question 7

    permissible limit of Arsenic in drinking water:
    1. 5 ppm
    2. 7.5 ppm
    3. 10 ppm
    4. 12.5 ppm
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  8. Question 8

    CO level in burnt flue gas upto 150 ppm can be monitored by means of
    1. non-dispersive IR spectroscopy
    2. UV-Vis spectroscopy
    3. Atomic absorption spectroscopy analysis
    4. Flame photometry
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  9. Question 9

    Acidity of normal rain water is due to
    1. CO
    2. NO
    3. CO2
    4. H2S
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  10. Question 10

    Historial monuments and temples are badly damaged due to corrosive action of
    1. SO2
    2. CO2
    3. NH3
    4. C2 H2
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  11. Question 11

    The best method for sterilization of water uses
    1. Autoclaving
    2. Ozone
    3. Chlorine water
    4. UV rays
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  12. Question 12

    Which one of the following is not metallic pollutant?
    1. Hg
    2. Pb
    3. Cr
    4. Detergent
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  13. Question 13

    Most hazardous metal pollutant of automobile battery is
    1. Mercury
    2. Cadmium
    3. Lead
    4. Copper
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  14. Question 14

    Domestic waste causes
    1. Air pollution
    2. Effluents
    3. Biodegrgadable pollution
    4. Non-biodegradable pollution
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  15. Question 15

    Major aerosol pollutant in jet plane emission is
    1. Sulphur dioxide
    2. Carbon monooxide
    3. Methane
    4. Fluorocarbon
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  16. Question 16

    Main source of water and soil pollution is
    1. Agro industry
    2. Thermal power plant
    3. Industrial effluents
    4. All of the above
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  17. Question 17

    Which is not a pollutant?
    1. Mercury
    2. Arsenic
    3. Lead
    4. Alumina
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  18. Question 18

    The gases responsible for green house effect are
    1. o2
    2. CO2
    3. N2
    4. SO2
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  19. Question 19

    Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use?

    1. They are highly resistant to degradation in the environment.

    2. They are able to accumulate in humans and animals.

    Select the correct answer using the code given below:
    1. 1 only
    2. 2 only
    3. Both 1 and 2
    4. Neither 1 nor 2
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  20. Question 20

    Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?

    1. Construction of dams and barrages on rivers.

    2. Increase in the population of crocodiles in rivers.

    3. Getting trapped in fishing nets accidentally.

    Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers.

    Select the correct answer using the code given below:
    1. 1 and 2 only
    2. 2 and 3 only
    3. 1, 3 and 4 only
    4. 1, 2, 3 and 4
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