respiration cape unit 2

Name: ________________________ Class: ___________________ Date: __________ ID: A

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November Unit Test

Multiple Choice

Identify the choice that best completes the statement or answers the question.

____ 1. The final electron acceptor during oxidative phosphorylation is:

a. oxygen c. carbon dioxide

b. water d. ATP

____ 2. Oxidative phosphorylation is also known as:

a. chemiosmosis c. fermentation

b. glycolysis d. electron transport chain

____ 3. Cramps during exercise are caused by:

a. alcohol fermentation c. lactic acid fermentation

b. glycolysis inhibition d. chemiosmosis

____ 4. This process begins with the production of Acetyl-CoA:

a. chemiosmosis c. fermentation

b. glycolysis d. krebs cycle

____ 5. This process uses NADH and FADH2 to produce ATP

a. oxidative phosphorylation c. glycolysis

b. fermentation d. krebs cycle

____ 6. Which of the following statements is FALSE?

a. glycolysis can occur with or without

oxygen

c. glycolysis is the first step in both

aerobic and anaerobic respiration

b. glycolysis occurs in the mitochondria d. glycolysis produces 2 ATP, 2 NADH,

and 2 pyruvate

Name: ________________________ ID: A

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____ 7. Which of the following occurs in both photosynthesis and respiration?

a. chemiosmosis c. calvin cycle

b. glycolysis d. krebs cycle

____ 8. Respiration occurs

a. in microorganisms, mostly. d. at night but not during the day.

b. in all living things. e. at all times in organic molecules.

c. during the day but not at night.

____ 9. With respect to the element carbon, respiration is a(n) _________ reaction.

a. dehydration synthesis. d. reduction.

b. digestion. e. Anabolic reactions.

c. oxidation.

____ 10. Two general categories of respiration are

a. fermentation and dehydration

syntheses.

d. fermentation and aerobic respiration.

b. dehydration syntheses and aerobic

respiration.

e. krebs cycle and electron-transport

chain.

c. digestion and aerobic respiration.

____ 11. The chains of carbon are converted to carbon dioxide and water in

a. glycolysis. d. alcoholic fermentation.

b. Krebs cycle. e. photosynthesis

c. aerobic respiration.

____ 12. Glucose is converted to pyruvate in


b. Krebs cycle. e. the light reaction.


____ 13. Glucose is converted to ethyl alcohol and carbon dioxide in


b. Krebs cycle. e. none of the above.


Name: ________________________ ID: A

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____ 14. Three hydrogen carriers involved in aerobic respiration are

a. CoA, ATP, cocarboxylase. d. NADP, cytochromes, ATP.

b. CoA, cocarboxylase, FAD. e. ADP, AMP, ATP

c. NAD, NADP, FAD.

____ 15. The role of oxygen in aerobic respiration is

a. accepting the hydrogen removed from

organic compounds.

d. producing CO2.

b. reducing CoA. e. all of the above.

c. oxidizing ATP.

____ 16. Respiration is important because

a. its waste heat helps to warm the

environment.

d. it recycles energy.

b. it conserves energy e. it recycles oxygen.

c. Enzymes require it.

____ 17. It is advantageous to living things to store energy in glucose rather than in ATP because

a. ATP movers more easily from cell to

cell.

d. all of the above.

b. glucose is more reactive than ATP e. none of the above.

c. and ATP molecule is larger than a

glucose molecule and so stores more

metabolically useful energy.

____ 18. The complete oxidation of one glucose molecule produces ___ molecules of ATP.

a. 3 d. 42

b. 8 e. 82

c. 38

____ 19. Dumping of organic wastes into a lake may result in anaerobic conditions in the lake because

a. some microorganisms respire the

organic matter aerobically and so

reduce the oxygen content of the

water.

d. organic matter results in waste heat

b. organic matter absorbs the oxygen

from the water.

e. none of the above.

c. the space occupied by the organic

matter reduces the volume that could

be occupied by the oxygen.

Name: ________________________ ID: A

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____ 20. What is the net gain in ATP molecules produced during the reactions of glycolysis under

anaerobic conditions?

a. 2 d. 8

b. 4 e. 10

c. 6

____ 21. When a muscle cell is metabolizing glucose in the complete absence of molecular oxygen, which

one of the following substances in not produced?

a. heat d. lactic acid

b. ATP e. acetyl-CoA

c. pyruvic acid

____ 22. Which metabolic pathway is a common pathway to both anaerobic and aerobic metabolism?

a. The electron transport chain. d. glycolysis

b. The Krebs cycle. e. none of the above.

c. The oxidation of pyruvic acid.

____ 23. Cyanide blocks the respiratory electron-transport chain. As a result

a. the Krebs cycle speeds up. d. production of water increases.

b. electrons and hydrogens cannot flow

from NADre to oxygen.

e. glycolysis is inhibited.

c. three ATPs are produced for every

pair of electrons.

____ 24. When glucose is broken down to carbon dioxide and water during aerobic respiration, more

than 60% of its energy is released as

a. oxygen. c. heat.

b. carbon dioxide. d. ATP.

____ 25. In aerobic respiration carbohydrates are ultimately broken down into:

a. acetyl-CoA c. O2

b. CO2 d. H2O

____ 26. Most ATP in eukaryotic cells is produced in the:

a. mitochondria c. cytoplasm

b. nucleus d. rough endoplasmic reticulum

Name: ________________________ ID: A

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____ 27. Most ATP produced in aerobic respiration occurs in the process of:

a. glycolysis c. the Krebs cycle

b. the formation of acetyl-CoA d. chemiosmosis

____ 28. 4. In aerobic respiration, the energy in 1 mole of glucose is capable of producing how many ATP

molecules:

a. 2 molecules of ATP c. 2 x (6.02 x 1023) molecules of ATP

b. 38 molecules of ATP d. 38 x (6.02 x 1023) molecules of ATP

____ 29. Products of glycolysis include:

a. ATP c. two of the above

b. NADH d. all of the above

____ 30. In glycolysis the most reduced compound formed is:

a. pyruvate c. lactate

b. NAD+ d. O2

____ 31. In glycolysis, the activation of glucose is accomplished by:

a. NADH c. ATP

b. coenzyme A d. CO2

____ 32. Products of the Krebs cycle include:

a. NADH c. two of the above

b. FADH2 d. all of the above

____ 33. 16. As protons flow through the ______ , energy is released and exploited to combine ADP and

inorganic phosphate to form ATP.

a. electron transport chain c. cytochrome oxidase

b. outer mitochondrial membrane d. ATP synthase

____ 34. The high concentration of protons in the inner mitochondrial space relative to the mitochondrial

matrix represents:

a. magnetic energy c. potential energy

b. kinetic energy d. photonic energy

____ 35. Which stage of aerobic respiration produces ATP and NADH and releases CO2?

a. Krebs cycle c. fermentation

b. electron transport chain d. none of the above

Name: ________________________ ID: A

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____ 36. Which stage of aerobic respiration requires CO2?

a. Krebs cycle c. fermentation

b. electron transport chain d. none of the above

____ 37. Which stage of aerobic respiration requires ATP?

a. glycolysis c. electron transport chain

b. Krebs cycle d. fermentation

____ 38. The net result of the breakdown of glucose in glycolysis and fermentation is the production of:

a. 38 ATP c. 2 ATP

b. 36 ATP d. NADH

____ 39. In the presence of oxygen, all cells synthesize ATP via the process of glycolysis. Many cells also can

metabolize pyruvate if oxygen is not present, via the process of:

a. fermentation c. oxidative phosphorylation

b. aerobic respiration d. electron transport

____ 40. The final electron acceptor in aerobic respiration is:

a. pyruvate c. oxygen

b. carbon dioxide d. water

ID: A

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November Unit Test

Answer Section

MULTIPLE CHOICE

1. ANS: A PTS: 1

2. ANS: D PTS: 1

3. ANS: C PTS: 1

4. ANS: D PTS: 1

5. ANS: A PTS: 1

6. ANS: B PTS: 1

7. ANS: A PTS: 1

8. ANS: B PTS: 1

9. ANS: C PTS: 1

10. ANS: D PTS: 1

11. ANS: C PTS: 1

12. ANS: A PTS: 1

13. ANS: D PTS: 1

14. ANS: C PTS: 1

15. ANS: A PTS: 1

16. ANS: B PTS: 1

17. ANS: E PTS: 1

18. ANS: C PTS: 1

19. ANS: A PTS: 1

20. ANS: A PTS: 1

21. ANS: E PTS: 1

22. ANS: D PTS: 1

23. ANS: B PTS: 1

24. ANS: C PTS: 1

25. ANS: B PTS: 1

26. ANS: A PTS: 1

27. ANS: D PTS: 1

28. ANS: D PTS: 1

29. ANS: D PTS: 1

30. ANS: A PTS: 1

31. ANS: C PTS: 1

32. ANS: D PTS: 1

33. ANS: D PTS: 1

34. ANS: C PTS: 1

35. ANS: A PTS: 1

36. ANS: D PTS: 1

37. ANS: A PTS: 1

38. ANS: C PTS: 1

ID: A

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39. ANS: A PTS: 1

40. ANS: C PTS: 1

respiration cape unit 2

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