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Biology II Ch. 8 Mastery Learning Test in worksheets

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

 1. 
Fermentation is
a.
glycolysis and the Krebs cycle
b.
glycolysis and the reduction of pyruvate
c.
glycolysis only
d.
the reduction of pyruvate only
 

 2. 
Each of the following is a product of aerobic respiration EXCEPT
a.
ATP
c.
oxygen
b.
carbon dioxide
d.
water
 

 3. 
Per glucose molecule, the net gain of ATP molecules from glycolysis is
a.
two
c.
six
b.
four
d.
eight
 

 4. 
Fermentation supplies
a.
glycolysis with free NAD+
c.
oxygen as an electron acceptor
b.
hydrogen to the transition reaction
d.
the Krebs cycle with oxygen
 

 5. 
The process that evolved first was
a.
chemiosmosis
c.
the electron transport system
b.
glycolysis
d.
the Krebs cycle
 

 6. 
Which is NOT an event of the transition reaction?
a.
breaks down pyruvate
c.
oxidizes pyruvate
b.
converts a citrate molecule
d.
transfers an acetyl group
 

 7. 
Select the incorrect association.
a.
electron transport system - cristae
c.
glycolysis - cytosol
b.
fermentation - plasma membrane
d.
Krebs cycle - matrix
 

 8. 
Select the process with the greatest yield per glucose molecule.
a.
glycolysis
c.
substrate-level phosphorylation
b.
Krebs cycle
d.
transition reaction
 

 9. 
The energy yield by ATP molecules per glucose molecule is closest to
a.
25%
c.
50%
b.
40%
d.
60%
 

 10. 
Inside a cell, glycerol is broken down into
a.
amino acids
c.
fatty acids
b.
acetyl CoA
d.
PGAL
 

 11. 
Which of the following reactions is NOT a part of aerobic respiration?
a.
glycolysis
d.
transition reaction
b.
Krebs cycle
e.
fermentation
c.
electron transport system
 

 12. 
The coenzyme used in the transition reaction of aerobic respiration is
a.
ATP
d.
coenzyme A
b.
NAD+
e.
RuBP
c.
NADH
 

 13. 
The carbon dioxide given off by aerobic respiration is produced by
a.
glycolysis
d.
the electron transport system
b.
the transition reaction
e.
both B and C are correct
c.
the Krebs cycle
 

 14. 
The final acceptor for electrons in aerobic respiration is
a.
ATP
d.
oxygen
b.
NAD+
e.
carbon dioxide
c.
FAD
 

 15. 
Which of the following reactions occurs on the inner membrane of mitochondria?
a.
the Krebs cycle
d.
glycolysis
b.
the transition reaction
e.
the Calvin cycle
c.
the electron transport system
 

 16. 
The coenzymes NAD+ and FAD carry hydrogen atoms (H+ + e-) to the
a.
glycolysis reactions
d.
Calvin cycle
b.
transition reactions
e.
electron transport system
c.
Krebs cycle
 

 17. 
Which of the following statements is NOT true about fermentation?
a.
It is an anaerobic process.
b.
The end products are toxic to cells.
c.
It results in two ATP’s per glucose molecule
d.
In the absence of O2, muscle cells form CO2 and alcohol.
e.
It can be used to make bread rise.
 

 18. 
Which of the following statements is NOT true regarding fats?
a.
Fatty acids are converted to acetyl-CoA.
d.
Fats are the least efficient form of stored energy.
b.
Eighteen-carbon fatty acids are converted to nine acetyl-CoA molecules
e.
Carbohydrates can be converted to fats.
c.
Glycerol is converted to PGAL.
 

 19. 
The process directly responsible for most of the ATP formed during aerobic respiration is
a.
the Krebs cycle
c.
the electron transport system
b.
the transition reaction
d.
chemiosmosis
 

 20. 
A pathway that begins with glucose and ends with pyruvate is
a.
glycolysis
c.
the electron transport system
b.
the Krebs cycle
d.
the transition reaction
 

Short Answer
 

 21. 
Explain how the human body obtains the reactants for aerobic respiration and what happens to the products.
 

 22. 
In what ways are cellular respiration and photosynthesis similar processes?
 



 
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