Photosynthesis and Global Warming Quiz
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Questions and Answers

Where does energy eventually come from in photosynthesis?

  • Energy stored
  • Carbohydrate (correct)
  • Respiration
  • Carbohydrate store energy
  • Where does our energy come from?

  • Meat from animals
  • Cereals, vegetables, fruits
  • Water
  • Plants (correct)
  • How do plants produce energy in photosynthesis?

  • Carbohydrate (correct)
  • Water
  • O2
  • CO2
  • Why does the leaf look green?

    <p>Light is absorbed by pigment molecules contained in the leaf</p> Signup and view all the answers

    What is the absorbed part of the spectrum called?

    <p>Photosynthetically Active Radiation</p> Signup and view all the answers

    What are the two parts in a chlorophyll molecule?

    <p>Porphyrin head and long lipid-soluble hydro-carbon tail</p> Signup and view all the answers

    When are carotenoids predominant?

    <p>When chlorophyll is degraded in the fall</p> Signup and view all the answers

    Where does photosynthesis take place?

    <p>Chloroplasts</p> Signup and view all the answers

    What is the primary event in photosynthesis?

    <p>Light absorption</p> Signup and view all the answers

    What is the primary purpose of photosynthetically active radiation?

    <p>To provide energy for photosynthesis</p> Signup and view all the answers

    What is the structure responsible for the collection and conversion of light energy in photosynthesis?

    <p>Thylakoid</p> Signup and view all the answers

    Which molecule is a temporary energy carrier produced during the light reaction of photosynthesis?

    <p>NADPH</p> Signup and view all the answers

    Where does the carbon fixation and carbohydrate production occur in photosynthesis?

    <p>Stroma</p> Signup and view all the answers

    Which pathway is used for mostly cool-season plants in the assimilation of carbon dioxide?

    <p>C-3 metabolism / Calvin cycle (C3)</p> Signup and view all the answers

    What is formed by the natural decomposition of buried dead organisms and includes coal, petroleum, and natural gas?

    <p>Fossil fuels</p> Signup and view all the answers

    What is the progressive increase of Earth’s average temperature due to increased concentrations of greenhouse gases called?

    <p>Global warming</p> Signup and view all the answers

    Which of the following is a greenhouse gas responsible for trapping the sun’s warmth in the lower atmosphere of the earth?

    <p>Carbon dioxide</p> Signup and view all the answers

    What is the average concentration of CO2 steadily increasing in the atmosphere due to?

    <p>Photosynthesis suppression</p> Signup and view all the answers

    What can individuals work on to reduce their own contribution to worldwide emissions?

    <p>Reduce carbon footprint</p> Signup and view all the answers

    What is the site for the absorption of CO2 in the leaf for photosynthesis?

    <p>Stoma</p> Signup and view all the answers

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