Ozone Layer Depletion Quiz

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| By Vijaya Kousalya
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Vijaya Kousalya
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  • 1/5 Questions

    The ozone layer prevents ___ from passing through the Earth’s atmosphere.

    • Ultraviolet rays    
    • Infrared rays
    • X-rays
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About This Quiz

This Ozone Layer Depletion quiz assesses knowledge on compounds damaging the ozone, sources of CFCs, the ozone-oxygen cycle, and the protective role of the ozone layer against ultraviolet rays. It's designed to enhance understanding of environmental science and atmospheric protection.

Ozone Layer Depletion Quiz - Quiz

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  • 2. 

    What type of compounds can damage the Earth's ozone layer?

    • Chlorofluorocarbons

    •  Carbon dioxides

    • Pesticides

    Correct Answer
    A. Chlorofluorocarbons
    Explanation
    Chlorofluorocarbons (CFCs) can damage the Earth's ozone layer. These compounds contain chlorine and fluorine atoms, which are released into the atmosphere when CFCs are emitted. Once in the atmosphere, CFCs can reach the stratosphere, where they are broken down by ultraviolet (UV) radiation. This process releases chlorine atoms, which then react with ozone molecules, leading to the destruction of the ozone layer. Carbon dioxides and pesticides do not have the same harmful effect on the ozone layer as CFCs.

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  • 3. 

    The Ozone hole is a much larger springtime decrease in ___ ozone around Erath’s polar regions.

    • Exospheric

    • Stratospheric

    • Thermospheric

    Correct Answer
    A. Stratospheric
    Explanation
    The ozone hole refers to a significant reduction in the ozone layer specifically in the stratosphere, which is the correct answer. This depletion is more pronounced during springtime and occurs mainly around Earth's polar regions. The exosphere and thermosphere are not directly related to the ozone hole phenomenon.

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  • 4. 

    Where do CFCs come from?

    • Air conditioners

    •  Manufacturing foams

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    CFCs, or chlorofluorocarbons, are chemical compounds that were commonly used in air conditioners and manufacturing foams. These compounds were popular due to their non-toxic and non-flammable properties. However, it was later discovered that CFCs contribute to the depletion of the ozone layer. Therefore, the correct answer is "All of the above" because CFCs can come from both air conditioners and manufacturing foams.

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  • 5. 

    Following form(s) of oxygen is (are) involved in the ozone-oxygen cycle.

    • Atomic oxygen (O)  

    •  diatomic oxygen (O2)

    • Triatomic oxygen (O3)

    Correct Answer
    A. Triatomic oxygen (O3)
    Explanation
    The ozone-oxygen cycle involves the participation of triatomic oxygen (O3). This cycle is a series of chemical reactions that occur in the Earth's atmosphere and is responsible for the formation and depletion of ozone. In this cycle, ultraviolet radiation breaks down ozone into diatomic oxygen (O2) and atomic oxygen (O), which then reacts with other molecules to form ozone again. Therefore, triatomic oxygen (O3) plays a crucial role in maintaining the balance of ozone in the atmosphere.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 13, 2020
    Quiz Created by
    Vijaya Kousalya
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