Bio Test 2 (Part 2)

11 Questions | By Ohchimonkey | Updated: Mar 15, 2022 | Attempts: 119

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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.