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Respiration and Fermentation

Total questions: 114

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
What are the reactants for cellular respiration?
a)
glucose and carbon dioxide
b)
water and glucose
c)
glucose and ATP
d)
glucose and oxygen
2.
What does it mean for something to be anaerobic?
a)
It requires CO2
b)
It does not require CO2
c)
It requires oxygen
d)
It does not require oxygen
3.
Where in the cell does aerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
4.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
5.
Which is not a product of cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water
d)
ATP
6.

The correct word equation for aerobic respiration is

a)

carbon dioxide + water (+ energy) → glucose + oxygen

b)

water + oxygen → carbon dioxide + glucose (+ energy)

c)

glucose + oxygen → carbon dioxide + water (+ energy)

d)

glucose + water → carbon dioxide + water (+ energy)

7.

What are the uses of the energy produced in respiration? Tick all that apply.

a)

To build larger molecules from smaller molecules.

b)

To break down smaller molecules into larger molecules.

c)

To maintain our body temperature.

d)

To allow muscles to contract.

8.
The purpose of cellular respiration is to make
a)
food from energy
b)
ATP from glucose
c)
heat for the organism
d)
oxygen
9.
This organelle is the _____________.
a)
chloroplast
b)
Golgi bodies
c)
nucleus
d)
mitochondria
10.
which kind of cells would have the most mitochondria?
a)
brain cells
b)
bone cells
c)
plant cells
d)
muscle cells
11.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
12.

O2 is the chemical formula for

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Water

13.

What are the reactants (taken into) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

energy

14.

What type of respiration requires oxygen?

a)

Aerobic

b)

Anaerobic

15.

What are the products (what is released) of cellular respiration? (Mark all of them!)

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

water

e)

ATP (energy)

16.
How do plants get the carbon that they need?
a)
from the air
b)
from water
c)
from the soil
d)
from fertilizer
17.

Aerobic means

a)

without oxygen

b)

with oxygen

c)

without effort

18.

Anaerobic means

a)

with oxygen

b)

without oxygen

c)

to run for a long time

19.
ATP is 
a)
Adenosine Diphosphate
b)
Adenosine Triphosphate
c)
not an energy molecule
d)
Adenotriplet phosphate
20.
The energy is stored 
a)
in the carbon bonds
b)
in the phosphate bonds
c)
in the hydrogen bonds
d)
in all of thesse
21.
What are the reactants for cellular respiration?
a)
glucose and carbon dioxide
b)
water and glucose
c)
glucose and ATP
d)
glucose and oxygen
22.
Which is not a step in aerobic respiration?
a)
glycolysis
b)
Krebs' Cycle
c)
Calvin Cycle
d)
electron transport
23.
Which process occurs in the cytoplasm?
a)
glycolysis
b)
aerobic respiration
c)
Krebs' cycle
d)
Electron transport
24.
Glycolysis converts
a)
glucose into ATP
b)
glucose into pyruvate (pyruvic acid)
c)
glucose into oxygen
d)
glucose into ADP
25.
Which process occurs in the mitochondria
a)
glycolysis and Krebs' Cycle
b)
Krebs' Cycle and Electron Transport
c)
Calvin Cycle and Electron Transport
d)
Glycolysis only
26.
This  process use proteins embedded in the ______ to move electrons.
a)
matrix
b)
cristae
c)
nucleus
d)
outer membrane
27.
The ATP synthase is
a)
an enzyme that makes ADP
b)
an enzyme that breaks ATP
c)
an enzyme that breaks ADP
d)
an enzyme that make ATP
28.
Why is oxygen so important for aerobic respiration?
a)
It is the final electron acceptor which increases the H+ concentration gradient
b)
It is the final electron acceptor which maintains the H+ concentration gradient
c)
It is the final proton acceptor which maintains the oxygen concentration gradient
d)
It is the final enzyme acceptor which maintains the H+ concentration gradient
29.
Which process produces the most ATP?
a)
glycolysis
b)
Krebs' cycle
c)
Electron transport
d)
fermentation
30.
What is the purpose of the Krebs' cycle?
a)
To  make the electron carriers
b)
To make ATP
c)
To break down glucose
d)
To break down ADP
31.
Why is cyanide deadly?
a)
It prevents the break down of glucose
b)
It prevents the break down of ATP
c)
It prevents the electrons from being transported in the electron transport 
d)
It helps produce carbon dioxide
32.
What does it mean for something to be anaerobic?
a)
It requires CO2
b)
It does not require CO2
c)
It requires oxygen
d)
It does not require oxygen
33.
Where in the cell does aerobic respiration take place?
a)
Nucleus
b)
Cytoplasm
c)
Mitochondria
d)
Cell membrane
34.
What is the waste energy from respiration given off as?
a)
Heat
b)
Light
c)
Sound
d)
Kinetic
35.
What is the function of a carbohydrate?
(Why do I need this before a workout?)
a)
Quick energy
b)
Movement
c)
Stores genetic information
d)
Speeds up reactions
36.
The element _______ is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
37.
Chloroplasts are...
a)
Structures of animal cells to produce ATP
b)
Organelles where lipids are elaborated
c)
Specialized structures of plants where food is made
d)
Waste organelle of plants
38.
How can photosynthesis be related to cellular respiration?
a)
What's produced (made) by one is needed (the reactants) for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
39.

Which is a product of glycolysis?

a)

2 molecules of pyruvic acid

b)

1 molecule of glucose

c)

NAD+

d)

oxygen

40.

How many ATP molecules are synthesized from 4 ADP molecules?

a)

2

b)

4

c)

6

d)

1

41.

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

42.

Glycolysis is the second stage of cellular respiration.

a)

True

b)

False

43.

Glycolysis requires oxygen

a)

True

b)

False

44.

Which of these is broken down into pyruvic acid?

a)

glucose

b)

oxygen

c)

water

45.

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

a)

ATP

b)

NADH

c)

ADP

46.

How many high-energy electrons are passed to the carrier NAD+ to produce NADH in glycolysis?

a)

2

b)

8

c)

5

d)

4

47.

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

a)

2

b)

3

c)

4

d)

1

48.

Glycolysis has a net gain of how many ATP molecules?

a)

2

b)

4

c)

6

49.

How many ATP molecules are required to start glycolysis?

a)

Four

b)

Three

c)

Two

d)

One

50.

Finish the phrase: “As the bonds in glucose are _______ and rearranged, energy is __________.”

a)

broken, released

b)

built, trapped

c)

broken, trapped

d)

built, released

51.

Which of these is a reactant of glycolysis?

a)

pyruvic acid

b)

oxygen

c)

glucose

52.

Glycolysis DOES NOT need ATP to occur.

a)

True

b)

False

53.

Glycolysis has the potential to produce lots of energy very quickly.

a)

True

b)

False

54.

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

55.

The initial reaction of the Krebs cycle produces:

a)

Glucose and pyruvate

b)

H2O and CO2

c)

CO2, acetyl-CoA, and NADH

d)

Coenzyme A and NADH

56.

Acetyl-CoA is joined up to a ________________________ to form ________________________.


a)

6 carbon compound; acetate

b)

3 carbon compound; acetyl-CoA

c)

4 carbon compound; acetyl-CoA

d)

4 carbon compound; citric acid

e)

6 carbon compound; citric acid

57.

Where does the Krebs cycle take place?

a)

Cytoplasm

b)

Inner Mitochondrial Membrane

c)

Outer Mitochondrial Membrane

d)

Mitochondrial Matrix

58.

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

a)

Oxygen

b)

Water

c)

Carbon Dioxide

d)

ATP

59.

True or False: The Krebs cycle anaerobic.

a)

True

b)

False

60.

In the electron transport chain, Oxygen acts as...

a)

a carrier of electrons, passing electrons down the chain

b)

a reducing agent

c)

the final electron acceptor

d)

a coenzyme

61.

When protons are pumped outside the matrix, across the inner membrane...

a)

water is made

b)

a concentration gradient of H+ ions (protons) is created

c)

NADH gets reduced

d)

CO2 is produced

62.

The electrons that are transferred through the electron transport chain initially belonged to

a)

NADH

b)

FADH2

c)

ATP

d)

Oxygen

e)

NADH and FADH2

63.

The movement of protons (H+ ions) through ATP synthase occurs from the...

a)

matrix to the intermembrane space

b)

matrix to cytoplasm

c)

intermembrane space to the matrix

d)

intermembrane space to the cytoplasm

e)

cytoplasm to the intermembrane space

64.

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

a)

True

b)

False

65.

The process that enables ATP synthase to function is...

a)

endocytosis

b)

active transport

c)

pinocytosis

d)

osmosis

e)

diffusion

66.

Where does the electron transport chain occur?

a)

Nucleus

b)

Vacuole

c)

Mitochondria

d)

Nucleolus

67.

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

68.

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

a)

True

b)

False

69.

The process that enables ATP synthase to function is...

a)

endocytosis

b)

active transport

c)

pinocytosis

d)

osmosis

e)

diffusion

70.

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

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

71.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

72.

Please indicate the correct equation(s) for Cellular Respiration. (2 answers)

a)

Glucose + Oxygen --> Carbon Dioxide + Water + Energy

b)

C6H12O6 + O2 --> CO2 + H2O + ATP

c)

Carbon Dioxide + Water + Energy --> Glucose + Oxygen

d)

C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP

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 does ATP synthase do?
a)
Create ATP in chemiosmosis.
b)
Break down ATP in chemiosmosis.
c)
Break down NADPH. 
d)
Create NADPH.
75.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
76.
Cellular Respiration is considered aerobic because it:
a)
requires carbon dioxide
b)
requires glucose
c)
requires ATP
d)
requires oxygen
77.

When protons are pumped outside the matrix, across the inner membrane...

a)

water is made

b)

a concentration gradient of H+ ions (protons) is created

c)

NADH gets reduced

d)

CO2 is produced

78.

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

79.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

80.

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

81.
Fermentation occurs in the cell's 
a)
cytoplasm
b)
nucleus
c)
cell membrane
d)
cristae
82.
What is a disadvantage of fermentation as a process? 
a)
It produces too much ATP
b)
It only produces 2 ATP
c)
It occurs in the absence of oxygen
d)
It is only for quick bursts of energy
83.
What cells in the body may undergo lactic acid fermentation during exercise? 
a)
Muscle cells
b)
Fat cells
c)
Liver cells
d)
Skin cells
84.
Which compounds are produced by the two main types of fermentation? 
a)
NAD+ or ATP
b)
alcohol or lactic acid
c)
glucose or carbon dioxide
d)
ADP or ATP
85.
Cellular respiration is called an aerobic process because it requires
a)
light
b)
exercise
c)
oxygen
d)
glucose
86.
 In glycolysis, each glucose molecule is broken down into 
a)
six molecules of carbon dioxide
b)
four molecules of ATP
c)
two molecules of pyruvic acid
d)
two molecules of ATP
87.
Glycolysis provides a cell with a net gain of
a)
2 ATP
b)
4 ATP
c)
18 ATP
d)
36 ATP
88.
Glycolysis requires
a)
ATP
b)
oxygen
c)
sunlight
d)
NADP+
89.
During both alcoholic and lactic acid fermentation,
a)
NAD+ is regenerated, allowing glycolysis to continue.
b)
glucose is split into 3 pyruvic acid molecules.
c)
oxygen is required.
d)
carbon dioxide is produced.
90.
The energy needed to win a 1-minute footrace is produced mostly by
a)
lactic acid fermentation
b)
cellular respiration
c)
using up store of ATP
d)
breaking down fats
91.
Which of the following statements is true?
a)
Animal cells use cellular respiration and plant cells only use photosynthesis
b)
Animal cells use photosynthesis and cellular respiration and plants just use photosynthesis
c)
Animal cells use cellular respiration, plant cells use both cellular respiration and photosynthesis
d)
Animal and plant cells both use cellular respiration and photosynthesis
92.
Why is yeast used to bake bread? 
a)
The waste gas, CO2, makes bread rise
b)
The alcohol produced makes bread dangerous
c)
The yeast consumes O2, causing bread to rise
93.
Which of the following is true about anaerobic respiration?
a)
It is a fast process
b)
It allows organisms to live in places with little oxygen
c)
It evolved before aerobic respiration
d)
all of the above
94.

Fermentation makes ATP entirely from glycolysis. Since it takes place in the cytoplasm of the cell, the mitochondria are _____________.

a)

inactivated

b)

also involved

c)

not involved

95.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
96.
Glycolysis results in the total production of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
97.
Which is not part of the net products of Glycolysis?
a)
2 ATP
b)
2 NADH
c)
2 Pyruvate
d)
2 CO2
98.

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

a)

ATP

b)

NADH

c)

ADP

99.

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

a)

2

b)

3

c)

4

d)

1

100.

How many ATP molecules are required to start glycolysis?

a)

Four

b)

Three

c)

Two

d)

One

101.

Finish the phrase: “As the bonds in glucose are _______ and rearranged, energy is __________.”

a)

broken, released

b)

built, trapped

c)

broken, trapped

d)

built, released

102.

Glycolysis has the potential to produce lots of energy very quickly.

a)

True

b)

False

103.
Fermentation involves
a)
aerobic respiration
b)
anaerobic respiration 
104.
Yeast is a(n)
a)
autotroph
b)
producer
c)
heterotroph
d)
plant
105.
Why is yeast used to bake bread? 
a)
The waste gas, CO2, makes bread rise
b)
The alcohol produced makes bread dangerous
c)
The yeast consumes O2, causing bread to rise
106.
What is a disadvantage of fermentation as a process? 
a)
It produces too much ATP
b)
It only produces 2 ATP
c)
It occurs in the absence of oxygen
d)
It is only for quick bursts of energy
107.
What cells in the body may undergo lactic acid fermentation during exercise? 
a)
Muscle cells
b)
Fat cells
c)
Liver cells
d)
Skin cells
108.
Lactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get
a)
Glucose
b)
Sunlight
c)
Oxygen
d)
Water
109.
Fermentation is cellular respiration without which molecule?
a)
CO2
b)
O2
c)
C6H12O6
110.
The process carried out by yeast that causes bread to rise is
a)
alcoholic fermentation
b)
lactic acid fermentation
c)
cellular respiration
d)
yeast mitosis
111.
How are lactic acid and alcoholic fermentation similar?
a)
They have the same products
b)
They have the same reactants
c)
They both require oxygen
d)
They occur in the same organisms
112.
After intense activity, your muscles feel sore because of 
a)
the accumulation of NAD+
b)
the accumulation of lactic acid 
c)
the accumulation of ATP
d)
the accumulation of carbon dioxide
113.
Which of the following is true about anaerobic respiration?
a)
It is a fast process
b)
It allows organisms to live in places with little oxygen
c)
It evolved before aerobic respiration
d)
all of the above
114.
Which of the following is NOT made by fermentation
a)
Sauerkraut
b)
Bread
c)
Olive oil
d)
Yogurt

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