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Cellular Respiration

Total questions: 45

Worksheet time: 3600secs

Name
Class
Date
1.

Where does glycolysis take place?

a)

Cytoplasm

b)

Stroma

c)

Thylakoid

d)

Mitochondria

2.

Where does aerobic respiration takes place?

a)

Cytoplasm

b)

Mitochondria

c)

Stroma

d)

Thylakoid

3.
What is the net gain of ATP during glycolysis?
a)
1
b)
2
c)
4
d)
34
4.
What are the two reactants of cellular respiration?
a)
C6H12O6 & 6CO2
b)
6 CO2 & 6H2O
c)
C6H12O6 & 6O2
d)
6CO2 & 6O2
5.
What is the first stage of aerobic respiration called?
a)
Citric acid cycle
b)
Calvin cycle
c)
Glycolysis
d)
ETC
6.
Which is a product of Kreb's Cycle?
a)
Carbon dioxide
b)
Glucose
c)
Pyruvate
d)
Water
7.
Which is a product of the ETC?
a)
Carbon dioxide
b)
Glucose
c)
Oxygen
d)
Water
8.
What will most likely be the result if all of the mitochondria are removed from a plant cell? 
a)
It will be unable to carry out respiration. 
b)
It will lose water through osmosis. 
c)
It will break down the ribosomes in the cell. 
d)
It will be unable to photosynthesize
9.
The inner membrane of this organelle is highly folded.  What is the advantage of this folding?
a)
It increases the amount of light absorbed by the organelle.
b)
It increases the structural support of the organelle.
c)
It increases the surface area, allowing greater ATP production.
d)
It increases the surface area and the rate of glucose production.
10.
Which of the following is the correct equation for aerobic cellular respiration?
a)
6CO2 + 6H2O     --->   C6H12O6 + 6O2 + ATP
b)
6O2 + C6H12O6  ---> 6H2O + 6CO2 + ATP
c)
C6H12O6  + 6H2O ---> 6CO2 + 6O2 + ATP
d)
6O2 + 6H2O ---> C6H12O6 + 6CO2 + ATP
11.

Aerobic respiration yields about ___ ATP molecules per glucose, whereas anaerobic respiration yields ____ ATP molecules per glucose.

a)

32; 2

b)

2; 32

c)

6; 2

d)

32; 18

12.

In the Krebs cycle, a 2-carbon molecule combines with a 4-carbon molecule to form a 6-carbon molecule. The 2-carbon molecule is

a)

citric acid

b)

pyruvic acid

c)

oxaloacetic acid

d)

acetate/acetyl CoA

13.
The first step of glycolysis results in the formation of:
a)
Glucose-6-Phosphate
b)
Fructose-6-Phosphate
c)
ATP
d)
1,6 Bis-PhosphoGlycerate
14.
The enzyme that produces G3P & DHAP is:
a)
Hexokinase
b)
Aldolase
c)
PhosphoFructoKinase
d)
Enolase
15.
If Fructose-1,6-BisPhosphate is put through glycolysis the net result would be:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 FADH2
16.
In the final step of glycolysis ATP is made through the process of:
a)
Substrate Level Phosphorylation
b)
Oxidative Phosphorylation
c)
Photo-Phosphorylation
d)
RedOx Reactions
17.
Which enzyme adds a phosphate to F-6-P?
a)
PhosphoFructoKinase
b)
Hexokinase
c)
Aldolase
d)
Pyruvate Kinase
18.
NADH is produced by the oxidation of:
a)
G3P
b)
DHAP
c)
PEP
d)
1,3 BPG
19.
During which of the following phases does substrate-level phosphorylation take place?
a)
the citric acid cycle
b)
glycolysis and the citric acid cycle
c)
the electron transport chain
d)
glycolysis
20.
How many molecules of NADH are produced during glycolysis?
a)
2
b)
4
c)
6
d)
8
21.
What does NADH do during cellular respiration?
a)
 it delivers its electron load to the first electron carrier molecule
b)
it is reduced to form NAD+
c)
it is chemically converted into ATP
d)
it acts as the final electron acceptor
22.

A. Chemiosmosis

B. Pyruvate Oxidation

C. Electron Transport Chain

D. Glycolysis

E. Citric Acid Cycle

List the stages of Cellular Respiration in order

a)

D, B, E, C, A

b)

D, E, B, A, C

c)

E, B, C, D, A

d)

A, B, D, C, E

23.

The passing of electrons in the electron transport chain directly allows for

a)

creation of a proton gradient through proton pumping

b)

powering of ATP synthase

c)

creation of water

24.

NADH donates its electrons to protein complex _____, FADH2 donates its electrons to protein complex _______

a)

I, II

b)

II, I

c)

I, I

d)

I, Q

25.

Components of the Electron Transport Chain:

Protein Complex IV

Protein Complex II

Cytochrome C

Protein Complex III

Ubiquinone

Protein Complex I

Oxygen


What is the path of an electron donated by NADH?

a)

I, Q, III, Cyt C, IV, Oxygen

b)

I, II, III, IV, oxygen

c)

I, II, Q, III, IV, oxygen

d)

I, Cyt C, III, IV, Oxygen

26.
During which step of cellular respiration is carbon dioxide released?
a)
Calvin Cycle
b)
Glycolysis
c)
Kreb's cycle
d)
electron transport
27.
Which of the following is not an end product of the Kreb's cycle?
a)
FADH2
b)
CO2
c)
pyruvate
d)
ATP
28.
At the end of the Kreb's cycle, where is most of the energy from the original glucose stored?
a)
in CO2
b)
in ATP
c)
in NADH
d)
in pyruvate
29.
oxidation is______ and reduction is________
a)
loss of electrons, gain of electrons
b)
gain of electrons, loss of electrons
c)
gain of oxygen, loss of oxygen
d)
gain of protons, loss of protons
30.

How many ATP molecules are made from 1 NADH?

a)

1.5

b)

2.5

c)

3.5

d)

4

31.
Protons are pumped out of the _________ in the ETC.
a)
Matrix
b)
Cristae
c)
InterMembrane Space
d)
Mitochondrion
32.
The "Final Electron Acceptor" of the ETC is
a)
Oxygen
b)
Nitrogen
c)
CO2
d)
H2O
33.
Where does the Kreb's cycle take place?
a)
cytoplasm
b)
mitochondria matrix
c)
mitochondria inner membrane
d)
chloroplast
34.
Which of the following are required (reactants) for the electron transport chain?
a)
CO2 and H2O
b)
NADH, FADH2 and O2
c)
2 pyruvate and 2 CoA
d)
2 Acetyl CoA
35.

How many ATP molecules are made from 1 FADH2?

a)

1.5

b)

2.5

c)

3.5

d)

4

36.
H+ come back into the matrix because of:
a)
Magic
b)
Facilitated Diffusion
c)
Diffusion
d)
Osmosis
37.
If a hole was created in the inner mitochondrial membrane the result would be _________ ATP created from the ETC.
a)
Less
b)
More
38.
The protein pumps in the ETC are arranged in order of ____________ electronegativity.
a)
Increasing
b)
Decreasing
39.
The process of using electrons to pump H+ to create an electrochemical gradient that must flow through a protein is called:
a)
Chemiosmosis
b)
Fantasia
c)
Induced Fit
d)
Electrolysis
40.

What is the Electron Transport Chain?

a)

Electrons move through the chain to give energy to move H+ ions through the plasma membrane

b)

Produces NADH, FADH2 and Oxygen

c)

Requires H+ ions and 3 ATP

d)

Uses high energy electrons from the Calvin Cycle

41.
What does ATP synthase do?
a)
Create ATP in chemiosmosis.
b)
Break down ATP in chemiosmosis.
c)
Break down NADPH. 
d)
Create NADPH.
42.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
43.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)
Inner mitochondrial membrane
d)
Cytosol (outside of the mitochondria)
44.
Which process is responsible for making Acetyl Co-A?
a)
Glycolysis
b)
Krebs Cycle
c)
Link Reaction
d)
Electron Transport Chain
45.

The 1st law of thermodynamics involves

a)

Energy conservation

b)

Conservation of mass

c)

Entropy (disorder)

d)

Molecular motion

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