BIOLOGY-CELLULAR RESPIRATION question bank

BIOLOGY: Chapter 9-Cellular Respiration

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

____ 1. Which of the following is the correct sequence of events in cellular respiration?
a. glycolysis  fermentation  Krebs cycle
b. Krebs cycle  electron transport  glycolysis
c. glycolysis  Krebs cycle  electron transport
d. Krebs cycle  glycolysis  electron transport
____ 2. Which of the following is released during cellular respiration?
a. oxygen
b. air
c. energy
d. lactic acid
____ 3. Cellular respiration uses one molecule of glucose to produce
a. 2 ATP molecules.
b. 34 ATP molecules.
c. 36 ATP molecules.
d. 38 ATP molecules.
____ 4. What is the correct equation for cellular respiration?
a. 6O2 + C6H12O6  6CO2 + 6H2O + Energy
b. 6O2 + C6H12O6 + Energy  6CO2 + 6H2O
c. 6CO2 + 6H2O  6O2 + C6H12O6 + Energy
d. 6CO2 + 6H2O + Energy  6O2 + C6H12O6
____ 5. Cellular respiration releases energy by breaking down
a. food molecules.
b. ATP.
c. carbon dioxide.
d. water.
____ 6. What are the reactants in the equation for cellular respiration?
a. oxygen and lactic acid
b. carbon dioxide and water
c. glucose and oxygen
d. water and glucose
____ 7. Which of these is a product of cellular respiration?
a. oxygen
b. water
c. glucose
d. all of the above
____ 8. Which of these processes takes place in the cytoplasm of a cell?
a. glycolysis
b. electron transport
c. Krebs cycle
d. all of the above
____ 9. Glycolysis provides a cell with a net gain of
a. 2 ATP molecules.
b. 4 ATP molecules.

, c. 18 ATP molecules.
d. 36 ATP molecules.
____ 10. The starting molecule for glycolysis is
a. ADP.
b. pyruvic acid.
c. citric acid.
d. glucose.
____ 11. Which of the following is NOT a product of glycolysis?
a. NADH
b. pyruvic acid
c. ATP
d. glucose
____ 12. Which of the following acts as an electron carrier in cellular respiration?
a. NAD+
b. pyruvic acid
c. ADP
d. ATP
____ 13. Lactic acid fermentation occurs in
a. bread dough.
b. any environment containing oxygen.
c. muscle cells.
d. mitochondria.
____ 14. The two main types of fermentation are called
a. alcoholic and aerobic.
b. aerobic and anaerobic.
c. alcoholic and lactic acid.
d. lactic acid and anaerobic.
____ 15. Which process is used to produce beer and wine?
a. lactic acid fermentation
b. glycolysis
c. alcoholic fermentation
d. the Krebs cycle
____ 16. In the presence of oxygen, glycolysis is followed by
a. lactic acid fermentation.
b. alcoholic fermentation.
c. photosynthesis.
d. the Krebs cycle.
____ 17. Cellular respiration is called an aerobic process because it requires
a. light.
b. exercise.
c. oxygen.
d. glucose.
____ 18. The starting molecule for the Krebs cycle is
a. glucose.
b. NADH.
c. pyruvic acid.
d. coenzyme A.
____ 19. The Krebs cycle does not occur if
a. oxygen is present.