Quiz  /  Air Pollution Class 11 MCQ Questions With Answers

  • 1. 
    What is a primary pollutant?

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

  • 2. 
    Which of the following is NOT a primary pollutant?

  • nitric oxides
  • smog
  • sulfur dioxide
  • volatile organic compounds

  • 3. 
    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

  • 4. 
    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

  • 5. 
    ______________ ______________ is produced when fuels containing sulfur are burned in the presence of oxygen.

  • Carbon dioxide
  • Sulfur dioxide
  • Carbon monoxide
  • Greenhouse gas

  • 6. 
    Which of the following government agencies is responsible for the Clean Air Act?

  • the USGS
  • the USDA
  • the EPA
  • the USDOJ

  • 7. 
    This primary pollutant creates a reddish brown gas creating photochemical smog and tropospheric ozone.

  • sulfuric acid
  • VOC
  • nitrogen dioxide
  • particulate matter

  • 8. 
    An air pollution prevention mechanism found in vehicles.

  • combustion chamber
  • electrostatic precipitator
  • scrubber
  • catalytic converter

  • 9. 
    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

  • 10. 
    What is a secondary pollutant?

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

  • 11. 
    Electrostatic precipitators can be used to remove this type of air pollutant.

  • volatile organic compounds
  • sulfur dioxide
  • particulate matter
  • ground level ozone

  • 12. 
    The Clean Air Act- regulates vehicle emissions.

  • true
  • false

  • 13. 
    Source of carbon monoxide

  • Incomplete combustion of fossil fuels
  • Combustion of fossil fuels
  • Decomposition of plant and animal matters
  • Photochemical reaction of CO2

  • 14. 
    Used on factory stacks to remove gases and particulate.

  • Filters
  • Emission reducers
  • Scrubbers
  • Filter Strips

  • 15. 
    A type of pollution found both indoors and outdoors, which includes pollen, dander, soot, carbon, and dust.

  • Water droplets
  • Allergens
  • Particulate matter
  • Combustibles

  • 16. 
    What is the major cause for air pollution?

  • deforestation
  • oil spills
  • transportation
  • cigarretes

  • 17. 
    This atmospheric compound is critical to the planet in its protection against UV radiation, but when found close to the ground is part of photochemical smog that can cause serious health problems.

  • particulate matter
  • carbon monoxide
  • stratospheric ozone
  • tropospheric ozone

  • 18. 
    Which of the following are examples of VOC's ?

  • paint and paint thinners
  • gasoline
  • formaldehyde
  • All of above
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