Essay Quiz On Photosynthesis (light & Dark Reactions)

6 Questions

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Photosynthesis Quizzes & Trivia

Multiple choice quiz + 1 brief essay on Photosynthesis (light & dark reactions)


Questions and Answers
  • 1. 
    • A. 

      They use sunlight to break down large complex, energy-rich organic molecules

    • B. 

      They convert carbon dioxide and water into complex, energy-rich organic molecules

    • C. 

      They use the energy harvested by other photosynthesizers

    • D. 

      The use the energy harvest by heterotrophs

  • 2. 
    Which is released as a byproduct of photosynthesis?
    • A. 

      Carbon dioxide

    • B. 

      Carbon

    • C. 

      Oxygen

    • D. 

      Water

  • 3. 
    Which best describes light-independent reactions?
    • A. 

      They are the first stage of photosynthesis.

    • B. 

      They utilize the energy stored in ATP and NADPH.

    • C. 

      They use carbon dioxide to synthesize proteins.

    • D. 

      They create energy-rich ATP and NADPH.

  • 4. 
    Why do we perceive chlorophyll as being green?
    • A. 

      Because it is green.

    • B. 

      Because it absorbs green light.

    • C. 

      Because it reflects green light.

    • D. 

      Because it absorbs yellow light.

  • 5. 
    Which would you expect to increase the rate of photosynthesis?
    • A. 

      Incresing the carbon dioxide concentration

    • B. 

      Decreasing the intensity of exposure to red light

    • C. 

      Increasing the oxygen concentration

    • D. 

      Decreasing the duration of exposure to red light

  • 6. 
    Which could be used to monitor the rate of photosynthesis in a plant?
    • A. 

      Carbon dioxide production

    • B. 

      Water production

    • C. 

      Oxygen production

    • D. 

      Hydrogen production