Photosynthesis Electron Transport Chain and Z Scheme Quiz
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Questions and Answers

What is the main factor that affects the rate of photosynthesis in C4 plants?

  • Water availability
  • Temperature (correct)
  • CO2 levels
  • Light intensity

    • In photosynthesis, why are the dark reactions considered enzymatic?

  • They occur in the absence of light
  • They involve ATP and NADPH
  • They are controlled by temperature (correct)
  • They occur in the presence of water

    • How does water stress affect the availability of CO2 for photosynthesis?

  • Converts CO2 into O2
  • Increases CO2 availability
  • Does not affect CO2 availability
  • Reduces CO2 availability (correct)

    • Which type of plants have a higher temperature optimum for photosynthesis, tropical or plants adapted to temperate climates?

    <p>Tropical plants</p> Signup and view all the answers

    Why do C3 plants have a much lower temperature optimum compared to C4 plants?

    <p>Differences in photorespiration behavior</p> Signup and view all the answers

    What is the principal carbohydrate produced during photosynthesis?

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

    How does water stress affect the surface area of leaves in plants?

    <p>Reduces leaf surface area</p> Signup and view all the answers

    In what plant parts does photosynthesis primarily take place?

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

    How do C4 plants respond to higher temperatures compared to C3 plants?

    <p>Increased photosynthesis rate</p> Signup and view all the answers

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