The Air Quality Quiz! MCQ Trivia

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  • 1/10 Questions

    Which of the following is probably not a health effect of ozone?

    • Lung inflammation
    • Worsening of asthma
    • Coughing during exercise
    • Obesity
    • Increased respiratory illnesses in children
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About This Quiz

Air quality refers to the state of the air around us. Good air quality means that the air is clean and clear. Clean air is crucial for maintaining the balance and integrity of life on this earth. Low air quality is responsible for many deaths. If you would like to understand more about air quality, try this quiz.

The Air Quality Quiz! MCQ Trivia - Quiz

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  • 2. 

    Hazardous air pollutants are

    • Also known as air toxics

    • Are known or suspected causes of serious health problems

    • Are known or suspected causes of serious environmental damage

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "All of the above" because hazardous air pollutants, also known as air toxics, are substances that are known or suspected to cause serious health problems and environmental damage. This means that they have the potential to harm both human health and the environment, making all the given statements true.

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  • 3. 

    Which of the following activities can help reduce the amounts of dangerous substances in the air?

    • Greater use of public transportation

    • Greater use of private cars

    • Use of leaded gasoline

    • Frequent flossing

    Correct Answer
    A. Greater use of public transportation
    Explanation
    Greater use of public transportation can help reduce the amounts of dangerous substances in the air because it reduces the number of individual cars on the road. Public transportation, such as buses and trains, can carry a large number of people at once, resulting in fewer vehicles emitting harmful pollutants into the air. This leads to a decrease in air pollution and a cleaner environment. Conversely, greater use of private cars would have the opposite effect, as it would increase the number of vehicles and contribute to higher levels of dangerous substances in the air. The use of leaded gasoline is also detrimental to air quality, as it releases harmful toxins. Frequent flossing is unrelated to reducing dangerous substances in the air.

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  • 4. 

    Which pollutants come from mobile sources?

    • Hydrocarbons

    • Nitrogen oxides

    • Carbon dioxide

    • Carbon monoxide

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    All of the listed pollutants - hydrocarbons, nitrogen oxides, carbon dioxide, and carbon monoxide - come from mobile sources. Mobile sources include vehicles such as cars, trucks, motorcycles, and airplanes, which emit these pollutants as byproducts of combustion. These pollutants contribute to air pollution and can have negative impacts on human health and the environment.

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  • 5. 

    Ozone in the environment is

    • Beneficial at high altitudes

    • Harmful at low altitudes

    • Both of the above

    • Neither of the above

    Correct Answer
    A. Both of the above
    Explanation
    Ozone in the environment is beneficial at high altitudes because it forms a protective layer in the Earth's stratosphere, preventing harmful ultraviolet (UV) rays from reaching the surface and reducing the risk of skin cancer and other UV-related health issues. However, ozone at low altitudes is harmful because it is a major component of smog and can cause respiratory problems, eye irritation, and other negative health effects. Therefore, the correct answer is that ozone is both beneficial at high altitudes and harmful at low altitudes.

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  • 6. 

    Particles in the air that are now considered to have the most serious health effects are:

    • PM 1

    • PM 2.5

    • PM 10

    • PM 100

    Correct Answer
    A. PM 2.5
    Explanation
    Particle pollution - especially fine particles - contains microscopic solids or liquid droplets that are so small that they can get deep into the lungs and cause serious health problems. Numerous scientific studies have linked particle pollution exposure to a variety of problems, including:

    * increased respiratory symptoms, such as irritation of the airways, coughing, or difficulty breathing, for example;
    * decreased lung function;
    * aggravated asthma;
    * development of chronic bronchitis;
    * irregular heartbeat;
    * nonfatal heart attacks; and
    * premature death in people with heart or lung disease.

    People with heart or lung diseases, children and older adults are the most likely to be affected by particle pollution exposure. However, even if you are healthy, you may experience temporary symptoms from exposure to elevated levels of particle pollution.

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  • 7. 

    The combination of nitrogen oxides and hydrocarbons in the presence of sunlight causes:

    • Global warming

    • Smog

    • Ozone hole in the atmosphere

    • Acid rain

    Correct Answer
    A. Smog
    Explanation
    The combination of nitrogen oxides and hydrocarbons in the presence of sunlight causes smog. Smog is a type of air pollution that occurs when these pollutants react with sunlight and form a mixture of harmful chemicals, including ground-level ozone. This can lead to respiratory problems, eye irritation, and reduced visibility.

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  • 8. 

    Which is a strength of Cap and Trade?

    • "Cap" is self adjusting - no problem if inaccurate

    • Cost Effective

    • Not efficient - takes a lot of initial management

    • Hot spots

    Correct Answer
    A. Cost Effective
    Explanation
    Cap and Trade is considered cost-effective because it provides flexibility for companies to meet their emissions reduction targets. By setting a cap on the total amount of emissions allowed, companies are incentivized to find the most cost-effective ways to reduce their emissions. This allows for market competition and innovation, as companies can choose to invest in cleaner technologies or purchase emissions allowances from other companies. Overall, Cap and Trade provides a cost-effective approach to reducing emissions compared to other regulatory measures.

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  • 9. 

    The number of known hazardous air pollutants is about:

    • 10

    • 25

    • 200

    • 2000

    • None of the above

    Correct Answer
    A. 200
    Explanation
    There are approximately 200 known hazardous air pollutants. This means that there are 200 substances that have been identified as harmful to human health and the environment when present in the air. These pollutants can come from various sources such as industrial emissions, vehicle exhaust, and chemical reactions. It is important to monitor and regulate these pollutants to protect public health and the environment.

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  • 10. 

    Which of the following causes the greatest amount of air pollution?

    • City buses

    • Passenger cars and light trucks

    • Over-the-road trucks

    • Power plants

    Correct Answer
    A. Passenger cars and light trucks
    Explanation
    Passenger cars and light trucks cause the greatest amount of air pollution because there are a significantly larger number of these vehicles on the road compared to other options listed. Additionally, these vehicles generally have less efficient engines and emit higher levels of pollutants such as carbon monoxide, nitrogen oxides, and particulate matter. This high volume and lack of efficiency contribute to the overall greater amount of air pollution caused by passenger cars and light trucks.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 16, 2009
    Quiz Created by
    San26141
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