Physics: Light-independent Reaction Quiz Questions!

10 Questions | Total Attempts: 2479

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Physics: Light-independent Reaction Quiz Questions!

A quiz over the light-independent reaction!


Questions and Answers
  • 1. 
    Where does the light-independent reaction occur?
    • A. 

      Stroma

    • B. 

      Mitochondria

    • C. 

      Thylakoid

  • 2. 
    What provides the energy for the light-independent reaction?
    • A. 

      Sunlight

    • B. 

      ATP from neighboring mitochondria

    • C. 

      NADPH and ATP from the light-dependent reaction

  • 3. 
    A main part of the light-independent reaction, the Calvin Cycle, involves three main steps. These include _______________, reduction, and regeneration of RuBP.
    • A. 

      Light absorption

    • B. 

      Carbon fixation

    • C. 

      Sodium transport

  • 4. 
    What catalyzes carbon fixation?
    • A. 

      Ferredoxin

    • B. 

      NADP reductase

    • C. 

      Rubisco

  • 5. 
    Carbon fixation binds a carbon dioxide molecule to a 5-carbon compound known as _____________, creating an unstable 6-carbon compound.
    • A. 

      Rubisco

    • B. 

      RuBP

    • C. 

      Ribonuclease

  • 6. 
    The unstable 6-carbon compound breaks down into:
    • A. 

      2, 3-carbon compounds

    • B. 

      3, 2-carbon compounds

    • C. 

      6, 1-carbon compounds

  • 7. 
    In the process of ____________, ATP and NADPH act upon these two 3-carbon compounds to create triose phosphate.
    • A. 

      Production

    • B. 

      Reduction

    • C. 

      Seduction

  • 8. 
    Some triose phosphates leave the cycle to become complex carbohydrates; others remain in order to regenerate ____________.
    • A. 

      Rubisco

    • B. 

      RuBP

    • C. 

      Ribonuclease

  • 9. 
    _______ is used to gain RuBP from the triose phosphate compounds.
    • A. 

      NADPH

    • B. 

      ATP

    • C. 

      Rubisco

  • 10. 
    What is the main product of the Calvin Cycle?
    • A. 

      RuBP

    • B. 

      Rubisco

    • C. 

      Glucose