Bio Test 2 (Part 2)

11 Questions | Attempts: 119
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Biology Quizzes & Trivia

A biology exam, part 2 of 5. 55 question test. Exam involving topics such as photosynthesis and cellular respiration.


Questions and Answers
  • 1. 
    Which of the following is true concerning the C4 pathway?
    • A. 

      It produces large amounts of carbohydrates.

    • B. 

      It feeds into the C3 pathway.

    • C. 

      It is the mechanism of photorespiration.

    • D. 

      It involves the activity of RuBP.

    • E. 

      All of these.

  • 2. 
    Which of the following would NOT be true of CAM plants?
    • A. 

      They fix carbon only once.

    • B. 

      They live in desert environments.

    • C. 

      They fix carbon mostly during the day.

    • D. 

      They open stomata only at night.

    • E. 

      They grow slowly.

  • 3. 
    ATP is
    • A. 

      The energy currency of a cell.

    • B. 

      Produced by the destruction of ADP.

    • C. 

      Produced but not expended in the process of photosynthesis.

    • D. 

      Produced during the phosphorylation of any organic compound.

    • E. 

      None of these.

  • 4. 
    ATP
    • A. 

      Can be produced by photosynthesis.

    • B. 

      Is produced in the degradation of organic compounds such as glucose.

    • C. 

      Is generated in anaerobic respiration.

    • D. 

      Is formed in aerobic respiration.

    • E. 

      All of these.

  • 5. 
    Plant cells are capable of
    • A. 

      Photosynthesis.

    • B. 

      ATP production.

    • C. 

      Glucose breakdown.

    • D. 

      Aerobic respiration.

    • E. 

      All of these.

  • 6. 
    When molecules are broken apart in respiration,
    • A. 

      The heat produced is used to drive biological reactions.

    • B. 

      The oxygen in the compounds that are broken apart is used as an energy source.

    • C. 

      The energy released in respiration is channeled into molecules of ATP.

    • D. 

      ATP is converted into ADP.

    • E. 

      ADP is released as a waste product.

  • 7. 
    Cellular respiration
    • A. 

      Evolved to enable living organisms to utilize energy stored in glucose.

    • B. 

      Occurs only in animal cells because plants carry on photosynthesis.

    • C. 

      Utilizes fat as its primary energy source.

    • D. 

      Occurs at the same rate throughout all cells of the body.

    • E. 

      Is the only cellular mechanism that yields ATP.

  • 8. 
    Aerobic organisms use _____ as the final electron acceptor in aerobic cellular respiration.
    • A. 

      Hydrogen

    • B. 

      Carbon

    • C. 

      Oxygen

    • D. 

      H2O

    • E. 

      NAD+

  • 9. 
    Which of the following liberates the most energy in the form of ATP?
    • A. 

      Aerobic respiration

    • B. 

      Anaerobic respiration

    • C. 

      Alcoholic fermentation

    • D. 

      Lactate fermentation

    • E. 

      All liberate the same amount, but through different means.

  • 10. 
    During the Krebs cycle,
    • A. 

      Substrate-level phosphorylation occurs.

    • B. 

      Oxaloacetate is regenerated.

    • C. 

      Electrons and H+ are transferred to coenzymes NAD+ and FAD.

    • D. 

      Molecules of carbon dioxide are formed.

    • E. 

      All of these.

  • 11. 
    In respiration, the greatest number of ATP molecules is produced in
    • A. 

      Glycolysis.

    • B. 

      Acetyl-CoA formation.

    • C. 

      Anaerobic electron transfer.

    • D. 

      Electron transfer phosphorylation.

    • E. 

      The Krebs cycle.

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