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Cellular Respiration/Photosyntheis

Total questions: 138

Worksheet time: 2hrs 31mins

Name
Class
Date
1.
What is the net gain of ATP during glycolysis?
a)
1
b)
2
c)
3
d)
4
2.
Glycolysis takes place in the 
a)
mitochondria
b)
cell membrane
c)
cytoplasm
d)
nucleus
3.
This is the first step of cellular respiration
a)
Glycolysis
b)
Lactic Acid Fermentation
c)
Alcoholic Fermentation
d)
Aerobic Respiration
4.
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
5.
Anaerobic respiration.....
a)
doesn't require CO2
b)
requires CO2
c)
doesn't require oxygen
d)
requires oxygen
6.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
7.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
8.
Which molecule isn't an energy carrier?
a)
FADH2
b)
NADH
c)
oxygen
d)
ATP
9.
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
10.
Where does anaerobic respiration occur?
a)
glucose molecule
b)
mitochondria
c)
cytoplasm
11.

Which of the following structure is where cellular respiration (Kreb's Cycle and Electron Transport Chain) occurs in the cell?

a)

nucleus

b)

cytoplasm

c)

mitochondria

d)

vacuoles

12.

What is the name of the energy produced during cellular respiration?

a)

ATP

b)

NADH

c)

FADH2

d)

glucose

13.

Where does Glycolysis occur inside the cell? (first step in the overall process)

a)

Cytoplasm

b)

Mitochondria

c)

Chloroplast

d)

Nucleus

14.

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)

15.

Which stage of the cellular respiration process produces the most ATP?

a)

Glycolysis

b)

Acetyl CoA

c)

Kreb's Cycle

d)

Electron Transport Chain

16.
Which of the following is not needed to make glucose during photosynthesis?
a)
Light Energy
b)
O2
c)
CO2
d)
H2O
17.
The equation:
6CO2 + 6H2O + Sunlight --> C6H12O6 + 6O2
is the equation for which of the following processes?
a)
endocytosis
b)
cellular respiration
c)
photosynthesis
d)
fermentation
18.

Which unit is used to indicate the amount of energy in food?

a)

ounce

b)

degree

c)

calorie

d)

gram

19.
Which statement best compares aerobic and anaerobic respiration? 
a)
Less ATP is generated during anaerobic respiration than during aerobic respiration. 
b)
More water is generated during anaerobic respiration than during aerobic respiration. 
c)
More oxygen is generated during anaerobic respiration than during aerobic respiration. 
d)
Less lactic acid is generated during anaerobic respiration than during aerobic respiration. 
20.
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
21.
This organelle could likely be found in 
a)
plant cells only.
b)
animal cells only.
c)
prokaryotes only.
d)
plant and animal cells.
22.
Aerobic respiration yields about  ___ ATP molecules per glucose, whereas anaerobic respiration yields ____ ATP molecules per glucose.
a)
36; 2
b)
2; 36
c)
6; 2
d)
36; 18
23.
What is the net gain of ATP during glycolysis?
a)
1
b)
2
c)
4
d)
34
24.
Along with 2ATP, what is produced during glycolysis?
a)
6CO2
b)
6O2
c)
C6H12O6
d)
2 pyruvate
25.
What is the first stage of aerobic respiration called?
a)
Citric acid cycle
b)
Calvin cycle
c)
Glycolysis
d)
ETC
26.
What is the second stage of aerobic respiration?
a)
Calvin cycle
b)
Kreb's cycle
c)
Glycolysis
d)
ETC
27.
What is the total net gain of ATP at the end of aerobic respiration?
a)
2 ATP
b)
34 ATP 
c)
36 ATP
d)
38 ATP
28.
Which is a product of Kreb's Cycle?
a)
Carbon dioxide
b)
Glucose
c)
Pyruvate
d)
Water
29.
Which is a product of the ETC?
a)
Carbon dioxide
b)
Glucose
c)
Oxygen
d)
Water
30.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis uses carbon dioxide, while cellular respiration produces carbon dioxide.
31.
In cellular respiration, the electron transport chain takes place in
a)
the membrane of the mitochondrion
b)
the folds of the mitochondrion
c)
the cytoplasm
d)
the cell nucleus
32.
When a phosphate group is removed from an ATP molecule, 
a)
a substantial amount of energy is released
b)
an enzyme is formed
c)
energy is stored
d)
activation energy is increased
33.
When glycolysis occurs,
a)
a molecule of glucose is split
b)
two pyruvate are made
c)
some ATP is produced
d)
all of these
34.
The process of cellular respiration 
a)
is performed only by organisms that are incapable of photosynthesis
b)
is performed by autotrophs and heterotrophs
c)
occurs before plants are able to carry out photosynthesis
d)
occurs only in animals
35.
In the presence of oxygen, cellular respiration takes place in two stages. They are
a)
glycolysis and fermentation
b)
electron transport chain, then fermentation
c)
glycolysis, then aerobic respiration
d)
glycolysis, then the Calvin cycle
36.
Cells produce ATP most efficiently in the presence of
a)
water
b)
carbon dioxide
c)
oxygen
d)
radiant energy
37.

Chloroplasts are...

a)

Structures of animal cells to produce ATP

b)

Organelles where lipids are elaborated

c)

Specialized structures of plants where glucose is made

d)

Waste organelle of plants

38.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
39.
The mitochondria is responsible for ...
a)
photosynthesis
b)
anaerobic respiration
c)
aerobic respiration
d)
fermentation
40.
The energy carrier that the cell uses to power its day to day activities is 
a)
ATP
b)
NADH
c)
FADH2
d)
glucose
41.

Energy in food is measured in ____

a)

Calories per gram

b)

Grams per Calorie

c)

Celsius

d)

Temperature

42.

True or False. All forms of life use ATP Energy for cellular functions.

a)

True

b)

False

43.

Plants (Select all that apply)

a)

Perform photosynthesis

b)

Perform cellular respiration

c)

Lactic Acid Fermentation

d)

Ethanol Fermentation

44.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
45.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
46.
What is the purpose of cellular respiration?
a)
to break down food
b)
to create energy in the body
c)
to release energy from food
d)
there is none; it's a waste of time
47.
Cellular respiration and photosynthesis are related because...
a)
They both make glucose
b)
They both require oxygen
c)
The products of one reaction are the reactants of the other reaction
d)
They both make carbon dioxide
48.
Products are...
a)
Substances present at the beginning of a chemical reaction
b)
substances present at the end of a chemical reaction
49.
Reactants are...
a)
Substances present at the beginning of a chemical reaction
b)
substances present at the end of a chemical reaction
50.
Animals can...
a)
Only use photosynthesis
b)
Only use cellular respiration
c)
Use photosynthesis and cellular respiration
51.
Which process is the largest contributor to the release of CO2 
a)
Citric Acid Cycle or Krebs Cycle
b)
Pyruvate Oxidation
c)
Glycolysis
d)
Oxidative Phosphorylation 
52.
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
53.
Which process least amount of ATP in cells? 
a)
Glycolysis
b)
Citric Acid cycle
c)
Lactic acid Fermentation
d)
Pyruvate Oxidation
54.
Pyruvate Oxidation creates a specific numbered carbon molecule at the end of it's process. What is the number of carbons for this molecule? 
a)
2
b)
3
c)
6
d)
1
55.
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
56.
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
57.
Glucose is broken down into pyruvate in a process known as 
a)
glycolysis
b)
electron transport
c)
the Krebs cycle
d)
phosphorylation
58.
Which molecule enters Kreb's Cycle?
a)
Pyruvate
b)
Glucose
c)
Acetyl CoA
d)
reducing powers
59.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
60.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)
Inner mitochondrial membrane
d)
Cytosol
61.
The final electron acceptor of aerobic respiration is
a)
oxygen
b)
water
c)
carbon dioxide
d)
NAD+
62.
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
63.

Free energy is released from ATP when

a)

a phosphate group is added

b)

adenine bonds to ribose

c)

ATP is exposed to sunlight

d)

a phosphate group is removed

64.
What are the parts of the ATP molecule?
a)
adenine, thylakoids, stroma
b)
stroma, grana, chlorophyll
c)
adenine, ribose, phosphate groups
d)
NADH, NAHPH, FADH
65.
Fermentation involves
a)
aerobic respiration
b)
anaerobic respiration 
66.
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
67.
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
68.
What cells in the body may undergo lactic acid fermentation during exercise? 
a)
Muscle cells
b)
Fat cells
c)
Liver cells
d)
Skin cells
69.
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
70.
Fermentation is cellular respiration without which molecule?
a)
CO2
b)
O2
c)
C6H12O6
71.
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
72.
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
73.
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
74.
When respiration occurs with oxygen, it is called _______
a)
anaerobic
b)
aerobic
c)
light-dependent
d)
fermentation
75.
If your body runs out of oxygen, it will begin to perform ______.
a)
alcohol fermentation
b)
photosynthesis
c)
cellular respiration
d)
lactic acid fermentation
76.
Which process produces CO2 as a waste product?
a)
Lactic Acid Fermentation
b)
Ethanol (Alcoholic) Fermentation
77.

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

78.

By burning enough glucose, fermentation can regenerate enough ATP for _______ bursts of energy.

a)

prolonged

b)

short

79.

What macromolecule describes glucose?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

80.

If there is an increase of oxygen in your body what will happen to cellular respiration?

a)

It will increase

b)

It will decrease

81.

What process does this graph represent?

a)

Fermentation

b)

Photosynthesis

c)

Anaerobic Respiration

d)

Aerobic Respiration

82.

Which answer best explains why letter 'A' uses the most oxygen? (two answers are correct, select both)

a)

Plants need it for photosynthesis

b)

A person is walking

c)

A person is running for their life from 'IT'.

d)

A person is about to be tardy to class and is running to make it on time for the donut party in TA

83.

(C6 H12 O6) is the chemical formula for which important molecule?

a)

Glucose

b)

Amylase

c)

Sucrose

d)

Maltose

84.

Which step utilizing electrons to accept phosphates make the most ATP? (36-38ATP)

a)

Glycolysis

b)

Kreb's Cycle

c)

Electron Transport Chain

d)

Photosynthesis

85.

Oxidation is....

a)

Gain of electrons

b)

Loss of electrons

c)

Both the loss and gain of electrons

d)

None of these

86.

Reduction is....

a)

Gain of electrons

b)

Loss of electrons

c)

Both the loss and gain of electrons

d)

None of these

87.

In a reaction, copper is reduced; its number of electrons has:

a)

Increased

b)

Decreased

c)

Remained Constant

d)

Varies Randomly

88.
If an atom loses electrons during a chemical reaction, the atom was:
a)
Oxidized
b)
Reduced
c)
Neutralized
d)
Precipitated
89.

The following is the half equation of a reaction


What is meant by reduction reaction based on the equation?


a)

Electrons are received by chlorine

b)

Electrons are donated by chlorine

c)

Electrons are received by chloride ions

d)

Electrons are donated by chloride ions

90.

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

91.

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

92.

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

93.

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

94.

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

a)

True

b)

False

95.

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

a)

endocytosis

b)

active transport

c)

pinocytosis

d)

osmosis

e)

diffusion

96.

Hydrogen ions are pumped from the __________ to the ___________.

a)

matrix; intermembrane space

b)

intermembrane space; matrix

c)

matrix; cytoplasm

d)

intermembrane; cytoplasm

97.

How many ATP produced for each NADH that enter the electron transport chain from Kreb's cycle?

a)

1

b)

2

c)

3

d)

4

98.

The effect of increased levels of hydrogen ions in the intermembrane space of the mitochondria is

a)

Increase ATP production

b)

Decreased levels of oxidative phosphorylation

c)

Increased levels of water in intermembrane space

d)

Decreased levels of chemiosmosis

99.

As electrons travel down the electron transport chain, they release

a)

ADP

b)

Energy

c)

ATP

d)

Hydrogen ion

100.

ATP synthesis by ATP synthase is driven by

a)

H+ movement

b)

electron movement

c)

NADH movement

d)

FADH2 movement

101.

If the ETC was blocked by cyanide what would happen?

a)

the mitochondrion would over heat

b)

excessive NAD+ would build up in the cells and blood

c)

oxygen levels would decrease

d)

NADH and FADH2 would be in high levels

102.

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

a)

Oxygen

b)

Water

c)

Electron

d)

ATP

103.

In the absence of oxygen, ____ follows glycolysis.

a)

the link reaction

b)

the citric acid cycle

c)

fermentation

d)

the calvin cycle

104.

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

105.

Which of the following is not true?

Cellular respiration...

a)

happens only in animals.

b)

results in 36-38 ATP.

c)

converts food to energy.

d)

consists of glycolysis, citric acid cycle, oxidative phosphorylation.

106.

Please indicate the correct equation(s) for Cellular Respiration. (More than 1)

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

107.
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.
108.
The "regenerator" of the Krebs Cycle is:
a)
Oxaloacetate
b)
Acetyl-CoA
c)
Citrate
d)
α-Ketoglutarate
109.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
110.
How many FADH2 molecules are produced by 1 molecule of glucose?
a)
1
b)
2
c)
3
d)
4
111.
How many FADH2 molecules are produced by 1 turn of the Krebs Cycle?
a)
1
b)
2
c)
3
d)
4
112.
Krebs Cycle takes place in the:
a)
Cytoplasm
b)
Matrix
c)
Ribsome
d)
InterMembrane Space
113.
The inner most interior of the mitochondrion is called the:
a)
Cristae
b)
Matrix
c)
Golgi Bodies
d)
Carbuncles
114.
Krebs Cycle is part of_______________ respiration.
a)
Aerobic
b)
Anaerobic
115.
Prior to entering the Krebs Cycle, each pyruvate molecule loses electrons, hydrogen ions, and a carbon, forming an energy-rich molecule of
a)
Acetyl-CoA
b)
Citrate
c)
Oxaloacetate
d)
Malate
116.
After the Krebs Cycle only a small portion of the energy of glucose has been converted to ATP. At this point the majority of usable energy is contained in
a)
NADH and FADH2
b)
Carbon Dioxide 
c)
Acetyl-CoA
d)
Citrate
117.
Before entering Krebs Cycle, pyruvate is:
a)
Oxidized
b)
Reduced
c)
Isomerized to Acetyl-CoA
d)
Phosphorylated
118.
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
119.

How many C atoms does acetyl CoA contain?

a)

1

b)

2

c)

3

d)

4

120.

The products of the link reaction are

a)

pyruvate and carbon dioxide

b)

carbon dioxide and co-enzyme A

c)

carbon dioxide, acetyl coA and NADH

d)

NADH and carbon dioxide

121.
Which of the following is not a requirement for the Krebs Cycle?
a)
NAD+
b)
FAD+
c)
Water
d)
Pyruvate
122.

The purpose of the Kreb's Cycle is to:

a)

Convert Acetyl CoA into CO2 while creating a small amount of ATP and electrons in the form of NADH and FADH2

b)

Convert glucose to pyruvate while creating a small amount of ATP & electrons

c)

Receive electrons and create large amounts of ATP through oxidative phosphorylation.

d)

Reduce Pyruvate to Acetyl CoA and produce some electrons.

123.

Structure E is _____.

a)

FAD

b)

ATP

c)

NAD+

d)

CO2

124.

Structure A is _____.

a)

CoA

b)

ATP

c)

NAD+

d)

CO2

125.

Structure B is _____.

a)

CoA

b)

ATP

c)

NAD+

d)

CO2

126.

Structure C is _____.

a)

NADH

b)

ATP

c)

NAD+

d)

CO2

127.

Structure G is _____.

a)

NADH

b)

FADH

c)

NAD+

d)

FAD

128.

How many ATP molecules are synthesized from 4 ADP molecules?

a)

2

b)

4

c)

6

d)

1

129.

Glycolysis requires oxygen

a)

True

b)

False

130.

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

a)

ATP

b)

NADH

c)

ADP

131.

How many ATP molecules are required to start glycolysis?

a)

Four

b)

Three

c)

Two

d)

One

132.

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

133.

Which of these is a reactant of glycolysis?

a)

pyruvic acid

b)

oxygen

c)

glucose

134.

Glycolysis DOES NOT need ATP to occur.

a)

True

b)

False

135.

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

a)

True

b)

False

136.
Pyruvate is fermented when...?
a)
oxygen is not present
b)
oxygen is present
c)
when glucose split into two pyruvate molecules
d)
none of the above
137.
What is the end product of glycolysis given 1 molecule of glucose?
a)
2 ATP, 4 NADH, 2 pyruvate
b)
2 ATP, 2 NADH, 2 pyruvate
c)
2 ATP, 2 NADH, 4 pyruvate
d)
4 ATP, 2 NADH, 2 pyruvate
138.
Phosphorylation is the process of adding of a what group? from a molecule derived ATP
a)
sulfhydryl group
b)
amino group
c)
phosphate group
d)
hydroxyl group

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141 questions

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139 questions

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135 questions

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Worksheet

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9th - 10th Grade