Biology Quiz: Important Questions On Photosynthesis

11 Questions | Total Attempts: 324

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Biology Quiz: Important Questions On Photosynthesis

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Questions and Answers
  • 1. 
    The photosynthetic process performed by some plants in an effort to survive the hot and dry conditions of climates such as the desert is called
    • A. 

      Carbon fixation

    • B. 

      C3 photosynthesis

    • C. 

      C4 photosynthesis

    • D. 

      Cyclic photophosphorylation

    • E. 

      Noncyclic photophosphrylation

  • 2. 
    Which of the following is the photosynthetic stage that produces oxygen?
    • A. 

      The light-dependent reactions

    • B. 

      Chemiosmosis

    • C. 

      The Calvin cycle

    • D. 

      Carbon fixation

    • E. 

      Photorespiration

  • 3. 
    Which of the following reactions occur in both cellular respiration and photosynthesis?
    • A. 

      Carbon fixation

    • B. 

      Fermentation

    • C. 

      Reduction of NADP+

    • D. 

      Chemiosmosis

    • E. 

      Formation of NADH

  • 4. 
    Which of the following is not a product of the light-dependent reactions of photosynthesis?
    • A. 

      O2

    • B. 

      ATP

    • C. 

      NADPH

    • D. 

      Sugar

  • 5. 
    Which of the following is an advantage held by a C4 plant?
    • A. 

      More efficient light absorption

    • B. 

      More efficient photolysis

    • C. 

      More efficient carbon fixation

    • D. 

      More efficient uptake of carbon dioxide into the stomata

    • E. 

      More efficient ATP synthesis during chemiosmosis

  • 6. 
    Carbon dioxide enters the plant through the 
    • A. 

      Stomata

    • B. 

      Stroma

    • C. 

      Thylakoid membrane

    • D. 

      Bundle sheath cell

  • 7. 
    Which of the following is the source of the oxygen released during photosynthesis?
    • A. 

      CO2

    • B. 

      H2O

    • C. 

      Rubisco

    • D. 

      PEP carboxylase

    • E. 

      Pyruvate

  • 8. 
    The light-dependent reactions of photosynthesis occur in the
    • A. 

      Stroma

    • B. 

      Mitochondrial matrix

    • C. 

      Thylakoid membrane

    • D. 

      Cytoplasm

    • E. 

      Nucleus

  • 9. 
    Which of the following is an incorrect statement about the dark reactions of photosynthesis?
    • A. 

      The main inputs to the reactions are NADPH, ATP, and CO2

    • B. 

      The main outputs of the reactions are NADP+, ADP, and sugar

    • C. 

      More NADPH is used than ATP during the dark reactions

    • D. 

      Carbon fixation is the first step of the process

    • E. 

      The reactions occur in the stroma of the chloroplast

  • 10. 
    Which of the following is the source of the carbon in sugar produced during photosynthesis?
    • A. 

      CO2

    • B. 

      H2O

    • C. 

      Rubisco

    • D. 

      PEP carboxylase

    • E. 

      Pyruvate