Atmosphere and Photosynthesis Quiz
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Questions and Answers

What role do plants play in maintaining the atmosphere?

  • Absorbing oxygen through respiration
  • Producing carbon dioxide through photosynthesis
  • Releasing oxygen and absorbing carbon dioxide through respiration (correct)
  • Releasing carbon dioxide and absorbing oxygen through photosynthesis

    • Why do plants intake carbon dioxide?

  • To release carbon dioxide for their growth
  • To obtain water for their growth through transpiration
  • To obtain energy for their growth through photosynthesis (correct)
  • To release oxygen for their growth

    • Which of the following gases is most essential for respiration in humans and other organisms?

  • Argon
  • Ozone
  • Nitrogen (correct)
  • Carbon dioxide

    • What is the main source of dust particles in the atmosphere?

    <p>Dust brought by winds</p> Signup and view all the answers

    Which of the following factors influences the amount of water in the atmosphere?

    <p>Proximity to water bodies like oceans and rivers</p> Signup and view all the answers

    How do plants contribute to balancing the gases in the atmosphere?

    <p>Releasing oxygen and absorbing carbon dioxide through photosynthesis</p> Signup and view all the answers

    Why are dust particles in the atmosphere called Condensation nuclei?

    <p>Because they help in cloud formation by acting as a surface for water vapor to condense on</p> Signup and view all the answers

    Why do mountaineers climbing Mount Everest take oxygen cylinders with them?

    <p>Due to the rarefaction of gases, particularly oxygen, with increasing altitude</p> Signup and view all the answers

    How is the property of glass utilized in agriculture in cold countries?

    <p>By trapping heat and preventing it from escaping greenhouses</p> Signup and view all the answers

    Why are cloudy days warmer than days with clear skies?

    <p>Clouds trap heat emitted from the Earth's surface and reflect it back</p> Signup and view all the answers

    How does deforestation contribute to the increase in carbon dioxide in the atmosphere?

    <p>By reducing the number of trees that absorb and store carbon dioxide through photosynthesis</p> Signup and view all the answers

    What is Global warming?

    <p>The increase in temperature in the atmosphere due to greenhouse gases</p> Signup and view all the answers

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