wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Cellular Energy

Total questions: 100

Worksheet time: 51mins

Name
Class
Date
1.

Which is a product of glycolysis?

a)

2 molecules of pyruvic acid

b)

1 molecule of glucose

c)

NAD+

d)

oxygen

2.

How many ATP molecules are synthesized from 4 ADP molecules?

a)

2

b)

4

c)

6

d)

1

3.

Where does the pyruvic acid produced by glycolysis go next?

a)

the Calvin Cycle

b)

the electron transport chain

c)

the Krebs Cycle

d)

back through the glycolysis process

4.

Glycolysis is the second stage of cellular respiration.

a)

True

b)

False

5.

Glycolysis requires oxygen

a)

True

b)

False

6.

Which of these is broken down into pyruvic acid?

a)

glucose

b)

oxygen

c)

water

7.

After the NAD+ receives electrons, what does it change to?

a)

ATP

b)

NADH

c)

ADP

8.

During glycolysis, glucose is broken down into how many molecules of pyruvic acid?

a)

2

b)

3

c)

4

d)

1

9.

Glycolysis has a net gain of how many ATP molecules?

a)

2

b)

4

c)

6

10.

How many ATP molecules are required to start glycolysis?

a)

Four

b)

Three

c)

Two

d)

One

11.

Which of these is a reactant of glycolysis?

a)

pyruvic acid

b)

oxygen

c)

glucose

12.

Glycolysis DOES NOT need ATP to occur.

a)

True

b)

False

13.

Where does glycolysis take place?

a)

cytosol

b)

mitochondrial matrix

c)

cristae

d)

thylakoid

14.

What is the starting material for glycolysis?

a)

pyruvate

b)

acetyl CoA

c)

glucose

d)

G3P

15.

What is the main function of glycolysis?

a)

To rearrange the glucose molecule to be broken down

b)

To split the glucose molecule to release energy

c)

To recreate acetyl CoA for the krebs cycle

d)

To absorb and store energy in ATP molecules

16.

What are the products of glycolysis?

a)

2 ATP, 2 NADPH, 2 pyruvate

b)

2 ADP, 2 NADH, 2 pyruvate

c)

2 ATP, 2 NADH, 2 pyruvate

d)

2 ADP, 2 NADPH, 2 pyruvate

17.

Glycolysis begins with glucose. How do humans obtain glucose?

a)

By breathing

b)

By eating

c)

By sleeping

d)

By exercising

18.

ATP stands for "Adenosine TRIphosphate." After ATP donates a phosphate group to glucose in glycolysis, it becomes...

a)

AMP (Adenosine Monophosphate)

b)

ATP (Adenosine Triphosphate)

c)

ADP (Adenosine Diphosphate)

d)

NADH (Nicotinamide Adenine Dinucleotide Hydrogen)

19.

When glucose splits into two pyruvate molecules, how many carbons does each pyruvate have?

a)

4

b)

2

c)

6

d)

3

20.
Glycolysis results in the net gain of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
21.
Glycolysis results in the total production of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
22.
Which is not part of the net products of Glycolysis?
a)
2 ATP
b)
2 NADH
c)
2 Pyruvate
d)
2 CO2
23.
Which of the following is not a requirement for glycolysis?
a)
Oxygen
b)
ATP
c)
NAD+
d)
Glucose
24.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
25.
Glycolysis literally translates to:
a)
sugar-taking
b)
Glucose-making
c)
sugar-baking
d)
Glucose-breaking
26.
In glycolysis, glucose is converted into two molecules of _____. 
a)
citric acid
b)
oxaloacetic acid
c)
pyruvic acid
d)
Acetyl CoA
27.
Which of the following is not part of cellular respiration?
a)
electron transport
b)
glycolysis
c)
Krebs cycle
d)
Calvin cycle
28.

The name of the process that takes place when organic compounds are broken down in the absence of oxygen is

a)

respiration.

b)

oxidation.

c)

fermentation.

d)

lactic acid

29.

This reaction causes the burn in muscle cells because the lack of oxygen

a)

lactic acid

b)

Glycolysis

c)

Cellular Respiration

d)

fermentation

30.
What is the starting molecule for glycolysis?
a)
Glucose
b)
ADP
c)
Oxygen
d)
Pyruvic Acid
31.
What is the function of NAD+?
a)
It absorbs light
b)
It is an electron carrier
c)
It is a light-reflecting pigment
d)
It acts as long-term energy storage
32.

Glycolysis requires ______ and glucose to start

a)

ATP

b)

water

c)

sunlight

d)

NADP+

33.

Glycolysis can occur during aerobic or anaerobic conditions.

a)

True

b)

False

34.

Glycolysis takes place in...

a)

The Chloroplast

b)

The Mitochondria

c)

The Cytoplasm

d)

The Electron Transport Chain

35.

Glycolysis is...

a)

Aerobic

b)

Anaerobic

c)

Both Aerobic and Anaerobic

d)

Neither Aerobic nor Anaerobic

36.

The first half of Glycolysis...

a)

Uses ATP and stores energy

b)

Releases energy and makes ATP

37.

The second half of Glycolysis...

a)

Uses ATP and stores energy

b)

Releases energy and makes ATP

38.

1 Glucose molecule has _ carbon atoms

a)

3

b)

4

c)

6

d)

12

39.

Glycolysis breaks Glucose down into...

a)

Pyruvic Acid

b)

Simple Sugar

c)

NAD+

d)

ATP

40.

1 Pyruvic Acid molecule has _ carbon atoms

a)

3

b)

4

c)

6

d)

12

41.

How many ATP molecules are used in Glycolysis?

a)

2

b)

4

c)

6

d)

8

42.

How many ATP molecules are created in Glycolysis?

a)

2

b)

4

c)

6

d)

8

43.

How many NADH molecules are created in Glycolysis?

a)

2

b)

4

c)

6

d)

8

44.

For the two pyruvates that enter from glycolysis, the Krebs cycles will yield:

a)

1 ATP, 2 NADH, and 1 FADH2

b)

1 ATP, 2 NADH, and 2 FADH2

c)

1 ATP, 3 NADH, and 1 FADH2

d)

2 ATP, 8 NADH, and 2 FADH2

e)

2 ATP, 4 NADH, and 2 FADH2

45.

Where does the Krebs cycle take place?

a)

Cytoplasm

b)

Inner Mitochondrial Membrane

c)

Outer Mitochondrial Membrane

d)

Mitochondrial Matrix

46.

The waste product produced during the Krebs cycle is...

a)

Oxygen

b)

Water

c)

Carbon Dioxide

d)

ATP

47.

True or False: The Krebs cycle anaerobic.

a)

True

b)

False

48.

Where does the Krebs cycle take place?

a)

mitochondrial matrix

b)

cristae

c)

cytosol

d)

chloroplast

49.

What is the starting material for the Krebs cycle?

a)

glucose

b)

pyruvate

c)

acetyl CoA

d)

G3P

50.

How much of the glucose is left after the Krebs cycle?

a)

0%

b)

25%

c)

50%

d)

75%

51.

The Krebs cycle requires oxygen, because...

a)

without oxygen, NADH cannot be oxidized to continue receiving electrons as NAD+

b)

without oxygen, coenzyme A is unable to be added to the pyruvate molecule to make acetyl CoA

c)

without oxygen, ATP cannot be synthesized by substrate level phosphorylation

d)

without oxygen, glycolysis cannot take place to provide the starting materials for the Krebs cycle

52.

What is the difference between NADH and FADH2?

a)

Both are electron carriers, FADH2 occurs in the Krebs cycle and NADH occurs in glycolysis

b)

Both are electron carriers, NADH occurs in glycolysis and FADH2 occurs in the Krebs cycle.

c)

Both are electron carriers, FADH2 holds higher energy electrons

d)

Both are electron carriers, NADH holds higher energy electrons

53.

In one turn of the cycle, how many of the products are formed?

a)

1 ATP, 2 NADH, 2 FADH2, 1 CO2

b)

1 ATP, 3 NADH, 1 FADH2, 2 CO2

c)

2 ATP, 2 NADH, 1 FADH2, 1 CO2

d)

2 ATP, 3 NADH, 2 FADH2, 2 CO2

54.

How many turns of the Krebs cycle per glucose molecule?

a)

1

b)

2

c)

3

d)

4

55.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
56.
How many FADH2 molecules are produced by 1 molecule of glucose?
a)
1
b)
2
c)
3
d)
4
57.
How many CO2 molecules are produced by the Krebs Cycle for a molecule of glucose?
a)
2
b)
4
c)
6
d)
3
58.

ATP is made through which of the following mechanisms in the Kreb's Cycle?

a)

Substrate-level phosphorylation

b)

Oxidative phosphorylation

c)

Photophosphorylation

d)

None of these

59.

Structure E is _____.

a)

FAD

b)

ATP

c)

NAD+

d)

CO2

60.

Structure A is _____.

a)

CoA

b)

ATP

c)

NAD+

d)

CO2

61.
Krebs Cycle takes place in the:
a)
Cytoplasm
b)
Matrix
c)
Ribsome
d)
InterMembrane Space
62.

NADH and FADH2

a)

carry energy/electrons to the ETC.

b)

bind with Acetyl CoA.

c)

make pyruvic acid

d)

make water.

63.
The Kreb's Cycle is also known as:
a)
The Pyruvic Cycle
b)
The Respirational Cycle
c)
The Citric Acid Cycle
d)
The Berk Cycle
64.
The "regenerator" of the Krebs Cycle is:
a)
Oxaloacetate
b)
Acetyl-CoA
c)
Citrate
d)
α-Ketoglutarate
65.
After Krebs Cycle, how many Carbon atoms from the original glucose molecule remain?
a)
0
b)
1
c)
3
d)
2
66.

In the Kreb cycle, the 2 carbon compound adds to the 4 carbon compound to make a:

a)

2 Carbon compound called acetate

b)

4 Carbon compound called oxaloacetic acid

c)

6 Carbon compound called Citric Acid

d)

NADH

67.
NAD and FAD are _________ in the Krebs cycle.
a)
oxidized
b)
reduced
c)
carboxylated
d)
phosphorylated
68.

Where does the electron transport chain occur?

a)

Nucleus

b)

Vacuole

c)

Mitochondria

d)

Nucleolus

69.

In what part of the mitchondria does the electron transport chain occur?

a)

Inner mitochondrial membrane (folds of the mitochondria)

b)

Outer mitochondrial membrane

c)

Cytoplasm

d)

Ribosomes

70.

True or False: Water is produced as a byproduct during this stage of cellular respiration.

a)

True

b)

False

71.

What does FADH2 and NADH bring to the electron transport chain?

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

72.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

73.
The conversion of glucose to two molecules of pyruvate is the result of what process?
a)
the krebs cycle
b)
glycolysis
c)
the electron transport chain
d)
oxidative phosphorylation
74.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
75.
Cellular Respiration is considered aerobic because it:
a)
requires carbon dioxide
b)
requires glucose
c)
requires ATP
d)
requires oxygen
76.

Which of the following processes creates the most ATP during aerobic cellular respiration?

a)

glycolysis

b)

fermentation

c)

electron transport chain

d)

Citric acid cycle

77.

Please identify the proper locations for each step of cellular respiration.

a)

Glycolysis = Cytoplasm

b)

Glycolysis = Mitochondria

c)

Citric Acid Cycle = Cytoplasm

d)

Citric Acid Cycle = Mitochondria

e)

Oxidative Phosphorylation = Cytoplasm

78.

Which equation represents Cellular Respiration

a)

b)

c)

d)

79.

Which of the following is the symbol for Glucose?

a)

O2

b)

CO2

c)

H20

d)

C6 H12 O6

80.

Cellular Respiration is an aerobic process which means it requires Oxygen.

a)

True

b)

False

81.

What organelle does cellular respiration take place?

a)

Chloroplast

b)

Cell Wall

c)

Mitochondria

d)

Central Vacuole

82.

What type of organism makes it's own food?

a)

Autotroph

b)

Heterotroph

c)

Consumer

d)

Omnivore

83.

What type of organism has to consume energy?

a)

Producers

b)

Plant

c)

Autotroph

d)

Heterotroph

84.

Which kind of organism undergoes Cellular Respiration?

a)

Autotroph

b)

Heterotroph

c)

Plant

d)

Producers

85.

What is the best definition for cellular respiration?

a)

A process in which glucose is broken down to be used for energy.

b)

A process in which Carbon Dioxide is used to break down Glucose.

c)

The process in which animals make their own energy.

86.

According to the graph, what happens when the temperature increases?

a)

respiration rate decreases

b)

respiration rate increases

c)

respiration rate levels off

d)

respiration rate increases then decreases

87.

Based of the information in the graph, what inference can be made?

a)

There were 10 measurements taken.

b)

Average respiration rate is measured in beats per minute.

c)

As the respiration rate increases the amount of oxygen produced increases.

d)

As the temperature increases more carbon dioxide is produced.

88.

What do photosynthesis and cellular respiration have in common?

a)

They both require Sun light.

b)

Both are carried on by heterotrophs

c)

They both create energy for an organism to use.

d)

They both transform energy for an organism to use.

89.

Cellular Respiration occurs in what cell organelle?

a)

chloroplast

b)

cytoplasm

c)

mitochondria

d)

animal

90.

Which organism go through cellular respiration?

a)

animals

b)

plants

c)

both animals and plants

d)

none

91.

What's the chemical formula for water?

a)

H2O

b)

6H2O

c)

H2O6

d)

H6O

92.

What's the chemical formula for oxygen?

a)

6O2

b)

2O6

c)

O2

d)

O6

93.

What's the chemical formula for carbon dioxide?

a)

CO6

b)

CO2

c)

6C2O

d)

6CO2

94.

What's the chemical formula for glucose?

a)

6C6H12O6

b)

C12H6O12

c)

C6H12O6

d)

CHO

95.

Which molecule is the reactant of Glycolysis?

a)

water

b)

glucose

c)

carbon dioxide

d)

ATP

96.

Which molecule is the product of Glycolysis and the reactant of the Krebs Cycle?

a)

pyruvic acid

b)

carbon dioxide

c)

water

d)

oxygen

97.

Which molecule is the product of the Krebs Cycle?

a)

oxygen

b)

pyruvic acid

c)

carbon dioxide

d)

water

98.

Which molecule is the reactant of the Electron Transport Chain?

a)

carbon dioxide

b)

pyruvic acid

c)

oxygen

d)

ATP

99.

What is formed at the end of the Electron Transport Chain by the combination of its reactant and hydrogen?

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose

100.

The Electron Transport Chain is a series of chemical reactions in which energy is transferred to form a large amount of what molecule?

a)

glucose

b)

oxygen

c)

pyruvic acid

d)

ATP

Similar Resources on Wayground

Biology EOC Review Quiz

99 questions

Biology EOC Review Quiz

quiz

Worksheet

•

9th Grade

PMA 3 2020

100 questions

PMA 3 2020

quiz

Worksheet

•

6th - 9th Grade

CH 2: Chemistry for A&P

100 questions

CH 2: Chemistry for A&P

quiz

Worksheet

•

9th - 12th Grade

ROHS ESS Final Review

96 questions

ROHS ESS Final Review

quiz

Worksheet

•

6th - 9th Grade

Review: Biogeochemical Cycles

97 questions

Review: Biogeochemical Cycles

quiz

Worksheet

•

9th - 12th Grade

Hydrosphere Exam Review

98 questions

Hydrosphere Exam Review

quiz

Worksheet

•

9th - 12th Grade

Fall Biology Final Review

100 questions

Fall Biology Final Review

quiz

Worksheet

•

9th Grade

Chapter 25: Stars Galaxies Universe

100 questions

Chapter 25: Stars Galaxies Universe

quiz

Worksheet

•

9th Grade