Photosynthesis and Plant Energetics Quiz
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Questions and Answers

Which of the following is true about the Thylakoid reactions in photosynthesis?

  • They use water to produce oxygen (correct)
  • They use CO2 to produce sugars
  • They use oxygen to produce ATP and NADPH
  • They use ATP and NADPH to produce ADP and NADP+
  • What is the energy source for the Carbon reactions in photosynthesis?

  • Light (correct)
  • ADP
  • NADP+
  • Water
  • What is the function of pigments in photosynthesis?

  • To produce sugars
  • To produce ATP and NADPH
  • To produce oxygen
  • To absorb photons (correct)
  • What does the absorption spectrum of a leaf represent?

    <p>The wavelengths of light absorbed by the leaf</p> Signup and view all the answers

    What is the role of the Light Harvesting Complex (LHC) in photosynthesis?

    <p>To transfer energy to the reaction centre</p> Signup and view all the answers

    What is the final electron acceptor in the Photosynthetic electron-transport chain?

    <p>P700</p> Signup and view all the answers

    What is the function of the Oxygen evolving complex in photosynthesis?

    <p>To strip electrons from water</p> Signup and view all the answers

    Which of the following is the correct equation for the Calvin-Benson cycle?

    <p>RuBP + CO2 → 2 3-phosphoglycerate</p> Signup and view all the answers

    What is the function of Rubisco in photosynthesis?

    <p>To catalyze the carboxylation of RuBP</p> Signup and view all the answers

    What is the most abundant protein on Earth?

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

    What is the role of the electron transport chain in photosynthesis?

    <p>To generate ATP</p> Signup and view all the answers

    What happens when the electron transport and Calvin-Benson cycle capacities are mismatched?

    <p>The Calvin-Benson cycle slows down more than the photosynthetic ETC</p> Signup and view all the answers

    What is the function of the Xanthophyll cycle in photosynthesis?

    <p>To dissipate excess light energy</p> Signup and view all the answers

    What is the primary function of the thylakoid membranes in photosynthesis?

    <p>To generate ATP</p> Signup and view all the answers

    What is the role of plastocyanin in photosynthesis?

    <p>To transfer electrons to PSI</p> Signup and view all the answers

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