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Cellular Respiration

Total questions: 40

Worksheet time: 40mins

Name
Class
Date
1.
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
2.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
3.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
4.

Which of the following organelles is responsible for cellular respiration?

a)

Mitochondria

b)

Nucleus

c)

Endoplasmic Reticulum

d)

Ribosome

5.

C6H12O6 is the chemical formula for

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

Glucose

6.

O2 is the chemical formula for

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Water

7.
Which of the following statements are false?
a)
Glycolysis can occur with or without oxygen
b)
Glycolysis is the first step in both anaerobic and aerobic respiration
c)
Glycolysis occurs in the mitochondria
d)
Glycolysis produces 2 ATP, 2 Pyruvates, and 2 NADH
8.
Glucose is broken down into pyruvate in a process known as 
a)
glycolysis
b)
electron transport
c)
the Krebs cycle
d)
phosphorylation
9.
Glucose is broken down into pyruvate in a process known as 
a)
glycolysis
b)
electron transport
c)
the Krebs cycle
d)
phosphorylation
10.
This term refers to the production of ATP without oxygen being present.
a)
anaerobic
b)
prokaryotic
c)
biogenic
d)
organic
11.
What is cellular respiration?
a)
the breakdown of glucose  to release ATP
b)
the breakdown of glucose to release NADH
c)
the breakdown of glucose to release FADH
d)
the breakdown of glucose to release carbon
12.
Which of these molecules is released during the Kreb's cycle
a)
nitrogen
b)
oxygen
c)
hydrogen sulfide
d)
Carbon Dioxide (CO2)
13.
What is the main job of the electron carriers in cellular respiration? 
a)
Transport electrons and hydrogen atoms to the electron transport chain 
b)
Capture energy throughout the process of cellular respiration
c)
Provide the reactants for the process of cellular respiration
d)
Pump positive hydrogen ions and shuttle electrons across the electron transport chain and contribute to chemiosmosis
14.
NADH is a ______ form of NAD+.
a)
Reduced
b)
Oxidized
c)
Catabolized
d)
Hydrolized
15.
How many ATP are gained through glycolysis?
a)
0
b)
2
c)
4
d)
30-38
16.
Cellular respiration involves the net _______ of glucose.
a)
Reduction
b)
Oxidation
c)
ATP
d)
REDOX
17.
Which molecule enters Kreb's Cycle?
a)
Pyruvate
b)
Glucose
c)
Acetyl CoA
d)
reducing powers
18.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
19.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)
Inner mitochondrial membrane
d)
Cytosol
20.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
21.
Two different species of bacteria are examined. Scientists find that species X always produces CO2 and H2O during cellular respiration. Species Y always produces ethyl alcohol and CO2. Which conclusion can be made from these observations?
a)
Only species Y is aerobic.
b)
Only species Y is anaerobic
c)
Both species X and Y are aerobic.
d)
Both species X and Y are anaerobic.
22.
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
23.
During chemiosmosis
a)
H+ ions serve as the final electron acceptor
b)
a concentration gradient is generated when H+ ions are passively transported from the matrix to the intermembrane space of the mitochondrion
c)
energy is released as H+ ions move freely across the mitochondrial membrane
d)
ATP is synthesized when H+ ions move through a channel in ATP synthase
24.
What are the stages of cellular respiration in order?
a)
glycolysis, oxidative phosphorylation, the citric acid cycle
b)
oxidative phosphorylation, glycolysis, the citric acid cycle
c)
glycolysis, the citric acid cycle, oxidative phosphorylation
d)
the citric acid cycle, oxidative phosphorylation, glycolysis
25.
What is the main purpose of the Krebs cycle?
a)
to produce ATP
b)
to produce electron donators
c)
to produce water
d)
to produce carbon dioxide
26.
The final electron acceptor of aerobic respiration is
a)
oxygen
b)
water
c)
carbon dioxide
d)
NAD+
27.
Use the diagram to answer the question. Between which parts of the molecule must the bonds be broken to form an ADP molecule?
a)
A and B
b)
A and C
c)
B and C
d)
C and D
28.
If ADP is phosphorylated then what is this indicating in the reaction? 
a)
ADP is forming into ATP
b)
ADP is becoming AMP
c)
ADP is being used to power other reactions
d)
ADP is being created by the reaction
29.
site of ATP synthase
a)
1
b)
2
c)
3
d)
4
30.
Which is not a waste product of cellular respiration?
a)
Water
b)
Heat
c)
Carbon Dioxide
d)
Oxygen
31.

Which of these reactions create water as an end product?

a)

glycolysis

b)

Kreb's

c)

ETC

d)

fermentation

32.

Oxygen is required for ___ to take place

a)

light-dependent

b)

light-independent

c)

ETC

d)

glycolysis

33.
The flow of these ions provide the energy necessary to build ATP. 
a)
water
b)
hydrogen
c)
NADH
d)
oxygen (O2)
34.

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

35.

Oxygen is used in aerobic respiration in __________________ as/for the ___________________

a)

electron transport chain, final electron acceptor

b)

electron transport chain, oxidizing agent

c)

citric acid cycle, carbon dioxide production

d)

glycolysis, NADH production

36.

Which stage of cellular respiration produces the most ATP?

a)

Glycolysis

b)

Electron Transport Chain

c)

Citric Acid Cycle

37.

Glycolysis and the Citric Acid Cycle are important for the production of

a)

electron carriers

b)

carbon dioxide

c)

pyruvate

d)

citric acid

38.
What is the main purpose of the Krebs cycle?
a)
to produce ATP
b)
to produce electron donators
c)
to produce water
d)
to produce carbon dioxide
39.

What does a mitochondria look like inside?

a)

a football

b)

The inside membrane of a plant

c)

Double membrane

d)

cytoplasm

40.

Which of the following processes of cellular respiration occur within the mitochondria?

Choose all those that are correct.

a)

Oxidative phosphorylation

b)

Krebs cycle

c)

Glycolysis

d)

Calvin cycle

e)

Light dependent reaction

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