Current Affairs Trivia Questions

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Pkshah321
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Quizzes Created: 1 | Total Attempts: 895
Questions: 10 | Attempts: 895

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Current Affairs Quizzes & Trivia

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Questions and Answers
  • 1. 

    Which gas exists in the highest concentration in the Earth's atmosphere?

    • A.

      Hydrocarbon

    • B.

      Ozone

    • C.

      Oxygen

    • D.

      Nitrogen

    • E.

      Carbon Dioxide

    Correct Answer
    D. Nitrogen
    Explanation
    Nitrogen exists in the highest concentration in the Earth's atmosphere. It makes up about 78% of the atmosphere, followed by oxygen at around 21%. The remaining 1% consists of trace gases such as carbon dioxide, ozone, and other gases.

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  • 2. 

    Which of the following is true about carbon monoxide

    • A.

      Single largest source is from internal combustion engine

    • B.

      Results from the actions of ultraviolet light on ozone

    • C.

      Causes acid rain

    • D.

      Leading cause of cancer in smokers

    • E.

      None of the above is true

    Correct Answer
    A. Single largest source is from internal combustion engine
    Explanation
    Carbon monoxide is a colorless, odorless gas that is produced by the incomplete combustion of fossil fuels. It is highly toxic and can be found in high concentrations in areas with heavy traffic or industrial activity. The single largest source of carbon monoxide emissions is from internal combustion engines, such as those found in cars and trucks. These engines release carbon monoxide as a byproduct of burning gasoline or diesel fuel. Therefore, the statement that the single largest source of carbon monoxide is from internal combustion engines is true.

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  • 3. 

    Sulfur dioxide, carbon monoxide, and particulates are all examples of primary air pollutants.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Sulfur dioxide, carbon monoxide, and particulates are all examples of primary air pollutants. Primary air pollutants are directly emitted into the atmosphere from sources such as vehicles, industrial processes, and natural sources. These pollutants can have harmful effects on human health and the environment. Therefore, the statement that sulfur dioxide, carbon monoxide, and particulates are examples of primary air pollutants is true.

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  • 4. 

    Which of the following is true about sulphur dioxide

    • A.

      Can create smog

    • B.

      Can create sulphuric acid, especially in the presence of particulate matter

    • C.

      Released through the combustion of sulphur containing fossil fuels

    • D.

      All of the above are true about sulphur dioxide

    • E.

      None of the above is true for Sulphur dioxide

    Correct Answer
    D. All of the above are true about sulphur dioxide
    Explanation
    Sulphur dioxide can create smog, as it reacts with other pollutants in the atmosphere to form ground-level ozone. It can also create sulphuric acid, especially when combined with particulate matter, which can contribute to acid rain. Sulphur dioxide is released through the combustion of sulphur-containing fossil fuels, such as coal and oil. Therefore, all of the statements provided are true about sulphur dioxide.

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  • 5. 

    Photochemical smog results from the mixing of ultraviolet light and carbon dioxide in the atmosphere

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Photochemical smog does not result from the mixing of ultraviolet light and carbon dioxide in the atmosphere. Instead, it is formed when sunlight reacts with pollutants such as nitrogen oxides and volatile organic compounds in the presence of heat. Carbon dioxide is not directly involved in the formation of photochemical smog.

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  • 6. 

    Lead emmissions since the early 1980s have

    • A.

      Remained about the same

    • B.

      Decreased due to lead free gasoline

    • C.

      Increased because developing countries generally dont use lead free gasoline and are using autmobiles at a higher rate.

    Correct Answer
    B. Decreased due to lead free gasoline
    Explanation
    The correct answer is "decreased due to lead free gasoline." Lead emissions have decreased since the early 1980s because lead free gasoline has been introduced. This change has led to a reduction in lead pollution in the environment.

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  • 7. 

    Technology controls for particulates in the industry include

    • A.

      Scrubbers

    • B.

      Precipitators

    • C.

      Filters

    • D.

      None of the above

    • E.

      All of the above

    Correct Answer
    E. All of the above
    Explanation
    The correct answer is "All of the above" because scrubbers, precipitators, and filters are all technologies used to control particulates in the industry. Scrubbers are devices that remove pollutants from exhaust gases, precipitators use an electrostatic charge to remove particles from the air, and filters physically trap particles.

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  • 8. 

    Sulphur dioxide contributes to all of the following problems except

    • A.

      Damage to the buildings

    • B.

      Acid rain

    • C.

      Death of vegetation

    • D.

      Loss of biodiversity in aquatic ecosystem

    • E.

      Photochemical smog

    Correct Answer
    A. Damage to the buildings
    Explanation
    Sulphur dioxide contributes to a variety of environmental problems, including acid rain, death of vegetation, loss of biodiversity in aquatic ecosystems, and photochemical smog. However, it does not directly cause damage to buildings. While sulphur dioxide can react with moisture in the air to form sulphuric acid, which can corrode certain materials, such as metals and limestone, it is not a significant contributor to overall building damage compared to other pollutants.

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  • 9. 

    Which of the following is not a likely result of global warming?

    • A.

      Rising sea level

    • B.

      Increased agricultural productivity worldwide

    • C.

      Worsening health effects

    • D.

      Increased storm frequency and intensity

    • E.

      All of the above are likely results of global warming

    Correct Answer
    B. Increased agricultural productivity worldwide
    Explanation
    Increased agricultural productivity worldwide is not a likely result of global warming. Global warming is expected to have negative impacts on agriculture, such as changing weather patterns, increased heat stress on crops, and increased pest and disease pressure. These factors can lead to decreased crop yields and reduced agricultural productivity, rather than an increase.

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  • 10. 

    Which of the folloiwng is not a major contributor to the grenhouse effect?

    • A.

      Carbon Dioxide

    • B.

      Carbon monoxide

    • C.

      Chlorofuorocarbons

    • D.

      Methane gas

    • E.

      Nitrous oxide

    Correct Answer
    B. Carbon monoxide
    Explanation
    Carbon monoxide is not a major contributor to the greenhouse effect because it has a relatively short atmospheric lifetime and does not have the ability to trap heat in the same way that other greenhouse gases do. While carbon monoxide is a pollutant and can have negative impacts on human health, it does not have a significant impact on global warming or climate change.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 17, 2012
    Quiz Created by
    Pkshah321
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