Quiz  /  Air Pollution Class 12 MCQ Questions With Answers

  • 1. 
    Which of the following is an example of a primary pollutant?

  • Acid rain
  • Sick building syndrome
  • Carbon monoxide
  • Asbestos

  • 2. 
    Combines with other pollutants to form acid rain

  • Nitrogen oxides & sulfur dioxide
  • Particulate matter & lead
  • Nitrogen oxides & ground-level ozone
  • Sulfur dioxide & ground-level ozone

  • 3. 
    What causes acid rain?

  • High concentrations of sulfuric or nitric acid from pollution
  • Fertilizer use
  • Pesticide use
  • CFCs

  • 4. 
    A metallic element that can cause brain damage

  • Lead
  • Particulate matter
  • Ground-level ozone
  • Nitrogen oxides

  • 5. 
    The ozone layer protects us from

  • UV rays
  • CFCs
  • Increased atmospheric heat
  • Decreased atmospheric heat

  • 6. 
    Two historical events during which smog killed many citizen and made thousands sick...

  • Donora Fluoride Fog and London Smog
  • London Smog and Exxon Valdez
  • China Smog and Fluoride Fog

  • 7. 
    Air pollution can cause...

  • asthma
  • lung cancer
  • emphysema
  • ALL OF THE ABOVE

  • 8. 
    Which agreement allowed for a reduction, and eventual elimination, of CFC production and use?

  • Montreal Protoccol
  • Kyoto Protoccol
  • Paris Agreement
  • Cartagena Protocol
  • Clean Air Act

  • 9. 
    The air pollution prevention device used by coal & oil burning power plants, for SOx and particulates removal, is most likely a combination of which two of these?

  • electrostatic precipitator
  • wet scrubber
  • cyclone separator
  • Both A & B

  • 10. 
    This colorless gas is deadly because it binds to your red blood cells instead of oxygen. This deprives your major organs of oxygen and results in death.

  • Carbon Dioxide
  • Carbon Monoxide
  • Sulfur Dioxide
  • Nitrogen Dioxide

  • 11. 
    Which is NOT a result of the reduction in stratospheric ozone?

  • reduced photosynthetic activity
  • increased skin cancer
  • increased likelihood of cataracts
  • increased birth defects

  • 12. 
    Long term effects of air pollution

  • headache, eye irritation, coughing, bronchitis
  • emphysema, lung cancer, heart disease
  • stress, hearing loss, high blood pressure

  • 13. 
    Which is not part of correcting sick-building syndrome?

  • removing sources of indoor air pollution
  • sealing cracks where air leaks into the building
  • cleaning air ducts
  • improving ventilation

  • 14. 
    Put directly into the air by human activities

  • secondary pollution
  • smog
  • primary pollution

  • 15. 
    Which air pollutant scars the lungs?

  • radon
  • fungi
  • asbestos

  • 16. 
    Which of the following is true of air pollution and human health?

  • years of research link air pollution to lung diseases
  • air pollution is listed often as cause of death
  • there are no health effects from polluted air
  • healthy adults do not need to worry about air pollution

  • 17. 
    Second layer of the atmosphere, extending about 17-48 kilometers above the earth’s surface. It contains a layer of gaseous ozone, which filters out about 95% of the incoming harmful ultraviolet radiation emitted by the sun

  • Mesosphere
  • Troposphere
  • Stratosphere
  • Ozone

  • 18. 
    Which device helps clean car exhausts?

  • electrostatic precipitator
  • catalytic converter
  • scrubber

  • 19. 
    Vehicle pollution control device that converts most NOx, VOCs, & Carbon Monoxide to H2O, CO2, & Nitrogen gas.

  • Wet Scrubber
  • Bag house filter
  • Electrostatic Precipitator
  • Catalytic Converter
  • Cyclone Separator

  • 20. 
    What is a primary pollutant?

  • pollutant that is put directly into air by human activities
  • pollutants that react with other primary pollutants

  • 21. 
    Ozone and acid rain are both pollutants formed through reactions in the atmosphere. This makes them

  • primary air pollutants
  • secondary air pollutants
  • atmospheric transport
  • atmospheric deposition

  • 22. 
    Which two primary pollutants most often result in acid rain?

  • sulfuric dioxide and nitric oxide
  • carbon monoxide and VOCs
  • ZEVs and VOCs
  • carbonic acid and citric acid

  • 23. 
    This primary pollutant creates a reddish brown gas creating photochemical smog and tropospheric ozone.

  • sulfuric acid
  • VOC
  • nitrogen dioxide
  • particulate matter

  • 24. 
    A colorless, odorless gas that decreases the blood's ability to carry oxygen. Can cause faintness, death.

  • Nitrogen oxides
  • Ground-level ozone
  • Carbon monoxide
  • Sulfur dioxide

  • 25. 
    What is a secondary pollutant?

  • pollutant that is put directly into air by human activities
  • pollutants that react with other primary pollutants

  • 26. 
    The breakdown of stratospheric ozone I. can originate from the emission of chlorofluorocarbons (CFCs). II. is catalyzed through a free chlorine (Cl) atom. III. prevents UV rays from reaching the earth’s surface.

  • I only
  • III only
  • I,&II
  • I,II,& III

  • 27. 
    A metallic element, no longer permitted as a gasoline additive in the US, that can cause brain damage is

  • Lead
  • Particulate matter
  • Ground-level ozone
  • Nitrogen oxides

  • 28. 
    Combines with water to form acid rain

  • Nitrogen oxides & sulfur dioxide
  • Particulate matter & lead
  • Nitrogen oxides & ground-level ozone
  • Sulfur dioxide & ground-level ozone

  • 29. 
    Air quality has improved over the past 30 years, mostly as a result of the Clean Air Act.

  • True
  • False

  • 30. 
    A common air pollutant that is very dangerous because you cannot see it or smell it

  • Sulfur Monoxide
  • Carbon Monoxide
  • Carbon Dioxide
  • Nitrogen Oxide
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