AP Ch 7 Photosynthesis Outline Quiz

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Photosynthesis Quizzes & Trivia
Ch 7 Photosynthesis

  
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Questions and Answers

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  • 1. 
    Sunlight arrives at a plant in units of light energy called
    • A. 

      Protons.

    • B. 

      Photons.

    • C. 

      Electrons.

    • D. 

      Wavelengths.


  • 2. 
    Why are plants green?
    • A. 

      They absorb only green wavelengths of light.

    • B. 

      They absorb only yellow and blue wavelengths of light.

    • C. 

      They reflect nearly all wavelengths of light.

    • D. 

      They reflect green wavelengths of light.

    • E. 

      They reflect yellow and blue wavelengths of light.


  • 3. 
    To what does the term stroma refer?
    • A. 

      The double membrane of the chloroplast

    • B. 

      A flattened disk or sac in the chloroplast

    • C. 

      A stack of thylakoid membrane structures

    • D. 

      The central fluid-filled space of the chloroplast

    • E. 

      The cytochrome system in the membranes of the thylakoids


  • 4. 
    To what does the term grana refer?
    • A. 

      The double membrane of the chloroplast

    • B. 

      A flattened disk or sac in the chloroplast

    • C. 

      A stack of thylakoid membrane structures

    • D. 

      The central fluid-filled space of the chloroplast

    • E. 

      The cytochrome system in the membranes of the thylakoids


  • 5. 
    Most food plants, such as wheat, oats, and rice, are in the group of
    • A. 

      CAM plants.

    • B. 

      C3 plants.

    • C. 

      C4 plants.


  • 6. 
    Which statement is NOT true about C3 and C4 plants?
    • A. 

      C3 plants are more successful in mild climates than C4 plants.

    • B. 

      C4 plants contain chloroplasts only in part of their mesophyll cells.

    • C. 

      C3 plants fix CO2 in the mesophyll cells.

    • D. 

      C3 plants make glucose in the bundle sheath cells.

    • E. 

      The first CO2 fixation product in a C4 plant is oxaloacetate.


  • 7. 
    Photorespiration is a form of
    • A. 

      Fixation of carbon dioxide in C4 plants.

    • B. 

      Fixation of carbon dioxide in C3 plants.

    • C. 

      Release of carbon dioxide in C4 plants.

    • D. 

      Release of carbon dioxide in C3 plants.


  • 8. 
    The energy content of photons is inversely proportional to the wavelength of the radiation.
    • A. 

      True

    • B. 

      False


  • 9. 
    Only photons from portions of visible light can be taken up by chlorophyll.
    • A. 

      True

    • B. 

      False


  • 10. 
    The first part of the noncyclic electron pathway involves the removal of electrons from water.
    • A. 

      True

    • B. 

      False


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