AP Biology Practice Test (chAPter 10-photosynthesis)

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AP Biology Quizzes & Trivia

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  • 1. 
    What is the general breakdown of a plant leaf? Go into every detail possible.

  • 2. 
    Define Heterotrophs

  • 3. 
    Define Autotrophs...what are Photoautotrophs then?and an example of photoautotrophs would be?

  • 4. 
    Draw the simplified Calvin Cycle.label each step, and each PHASE as well.don't forget to tell me how many carbons are in each step,and remember to mention the stuff going IN and coming OUT of the cycle, along with INPUT and OUTPUT!!

  • 5. 
    State the formula for photosynthesis?

  • 6. 
    What's photophosphorlyation?

  • 7. 
    What's carbon fixation?

  • 8. 
    How do the reactant molecules of photosynthesis reach the chloroplasts in leaves?

  • 9. 
    Define:(a) carrotenoid(b) photon

  • 10. 
    What are the 3 experiments used to see which lights are useable in photosynthesis?

  • 11. 
    What was Engelmann's experiment?

  • 12. 
    Difference between chlorophyll a and chlorophyll b?

  • 13. 
    Explain why a poison that inhibits an enzyme of the Calvin cycle will also inhibit the light reactions?

  • 14. 
    What color light is LEAST effective when driving photosynthesis? Explain.

  • 15. 
    In the light reactions, what is the initial electron donor? Where do the electrons end up?

  • 16. 
    What are C3 plants?what are C4 plants?

  • 17. 
    What are CAM plants?

  • 18. 
    What's PEP carboxylase?

  • 19. 
    Explain Crassulacean Acid Metabolism?

  • 20. 
    What are bundle-sheath cells?

  • 21. 
    Why does photorespiration lower photosynthetic outputs for plants? Explain.

  • 22. 
    Explain the 3 steps of C4 Photosynthesis?

  • 23. 
    What are the 8 steps in linear electron flow?

  • 24. 
    What does the "P" in NADP stand for?
    • A. 


    • B. 


    • C. 

      A phosphate group

    • D. 


  • 25. 
    Check off the things that were NOT used in Engelmann's experiment?
    • A. 

      Anaerobic bacteria

    • B. 

      A prism to reflect and transmit light

    • C. 


    • D. 


  • 26. 
    Why are leaves green?
    • A. 

      Because they contain chlorophyll, a green pigment

    • B. 

      Because leaves reflect or transmit green light only

    • C. 

      Because leaves absorb violet-blue and red light

  • 27. 
    To synthesize one glucose molecule, the calvin cycle uses ___ molecules of CO2, ___ molecules of ATP, and ___ molecules of NADPH.

  • 28. 
    3 phases of calvin cycle, respectively are..?
    • A. 

      Reduction, carbon fixation, regeneration of CO2 acceptor

    • B. 

      Reproduction of CO2 acceptor, carbon fixer, deduction

    • C. 

      Carbon fixation, reduction, regeneration of CO2 acceptor

    • D. 

      Carbon fixer, deduction, reproduction of CO2 acceptor

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