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Cellular Respiration

Total questions: 127

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

The process in which plants and some other organisms use the energy in sunlight to make food.

a)

photosynthesis

b)

cellular respiration

c)

osmosis

d)

diffusion

2.

The process that occurs when the chemical energy of "food" molecules, carbohydrates, fats, and proteins, is released and partially captured in the form of adenosine triphosphate (ATP).

a)

photosynthesis

b)

diffusion

c)

osmosisi

d)

cellular respiration

3.

The form of cell respiration that can take place in the absence of free oxygen.

a)

diffusion

b)

anaerobic

c)

aerobic

d)

osmosis

4.

The form of in cell respiration that requires free oxygen.

a)

aerobic

b)

anaerobic

c)

photosynthesis

d)

cellular respiration

5.

A complex organic chemical that provides energy to drive many processes in living cells, e.g. muscle contraction, nerve impulse propagation, chemical synthesis.

a)

fermentation

b)

chemical reaction

c)

sunlight

d)

ATP

6.

Conversion of carbohydrates into alcohols

a)

fermentation

b)

anaerobic

c)

aerobic

d)

cellular respiration

7.

An organelle in plant and algae cells that converts energy from sunlight into chemical energy that the plant can use

a)

chlorophyll

b)

chloroplast

c)

mitochondria

d)

nucleus

8.

An organelle in eukaryotic cells that is the site of cellular respiration and generates most of the cell’s ATP

a)

chlorophyll

b)

chloroplast

c)

mitochondria

d)

nucleus

9.

What is a cell?

a)

A green chemical in plant cells that allows plants to use the Sun's energy to make food.

b)

The smallest unit of living matter.

c)

The food-making process in green plants.

d)

The tissue through which water and minerals move up in a plant.

10.

What gas do plants need to make their own food through photosynthesis?

a)

Nitrogen

b)

Oxygen

c)

Carbon Dioxide

d)

Helium

11.

What is photosynthesis?

a)

The smallest unit of living matter

b)

The food-making process in green plants that uses sunlight

c)

A green chemical in a plant

d)

The ability to perform work or change an object

12.

What chemical found in plant cells is able to use the Sun's energy to make food?

a)

Chlorophyll

b)

Chloroplast

c)

Stomata

d)

Leaf

13.

In what part of the plant does photosynthesis occur?

a)

Xylem

b)

Root

c)

Stem

d)

Leaf

14.

What color does chlorophyll cause most plants to be?

a)

Green

b)

Yellow

c)

Red

d)

Orange

15.

The main function of the roots of plants is....

a)

to conduct photosynthesis

b)

to make seeds and prepare the plant for pollination

c)

to provide a tasty treat for animals

d)

to hold the plant in place and absorb water

16.

Most oxygen exists the plant through the...

a)

stem

b)

stomata

c)

root

d)

phloem

17.

Why are many plants green?

a)

plant cells are green

b)

plants absorb green light

c)

chlorophyll reflects green light

d)

rigid cell walls are green

18.
Chloroplasts are...
a)
A type of pigment used for photosynthesis
b)
The location inside a plant cell where photosynthesis happens
c)
The location where cellular respiration happens
d)
Green beans
19.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
20.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
21.
The main source of energy for all life comes from ____.
a)
the Earth
b)
the moon
c)
the sun
d)
the food we eat/make
22.
Mitochondria are...
a)
The location in cells where photosynthesis happens
b)
Kidney beans
c)
The location in cells where cellular respiration happens
d)
A type of pigment used for cellular respiration
23.
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
24.
What is the molecule called that mitochondria produce when they respire glucose?
a)
ATP
b)
ADP
c)
DNA
d)
80p
25.

The products of cellular respiration

a)

CO2

b)

CO2, H2O

c)

CO2, H2O, glucose

d)

CO2, H2O, ATP

26.
ATP is...
a)
A form of energy the cell can use that is produced by cellular respiration
b)
A kind of sugar produced in photosynthesis
c)
A battery
27.
Plants can...
a)
Only use photosynthesis
b)
Only use cellular respiration
c)
Use photosynthesis and cellular respiration
28.
Animals can...
a)
Only use photosynthesis
b)
Only use cellular respiration
c)
Use photosynthesis and cellular respiration
29.
During cellular respiration, what do animal cells use to produce energy from food?
a)
sunlight
b)
meat
c)
water
d)
oxygen
30.
During photosynthesis, what gas do plants release?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
31.
What gas do plants take in to make food?
a)
natural gas
b)
oxygen
c)
carbon dioxide
d)
oxygen and carbon dioxide
32.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
33.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
34.
What are the products (what's made) during photosynthesis?
a)
glucose and oxygen
b)
water, light, and carbon dioxide
35.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
36.

Which statement about photosynthesis is correct?

a)

Plants get the energy they need for photosynthesis from water.

b)

Plants get the energy they need for photosynthesis from soil.

c)

Plants get the energy they need for photosynthesis from sunlight.

d)

Plants do not require energy to perform photosynthesis.

37.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

6CO2 + 6H2O → 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O → O2

c)

6O2 +6H2O → 6CO2 +C6H12O6

d)

C6H12O6 + 6O2 → 6H2O + 6CO2

38.
What do plants give off after photosynthesis?
a)
Oxygen
b)
carbon
c)
nitrogen
d)
hydrogen
39.
Plants need ________from the air for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
40.
The products of photosynthesis are
a)
water and carbon dioxide
b)
oxygen and water
c)
sugar and cabon dioxide
d)
oxygen and sugar (glucose)
41.
In what part of the cell does photosynthesis occur?
a)
Nucleus
b)
Chloroplast
c)
Epidermis
d)
Vacuole
42.
After photosynthesis, plants store their energy as _________ .
a)
chlorophyll
b)
pigment
c)
glucose (sugar)
d)
Oxygen
43.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
44.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
45.

What is cellular respiration?

a)

the breakdown of glucose to release ATP

b)

the breakdown of glucose to release carbon

46.
Where does cellular respiration take place in the cell?
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Vacuole
47.
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
48.
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
49.

What is one of the reactants of cellular respiration?

a)

energy

b)

oxygen

c)

carbon dioxide

50.
Photosynthesis is important because....
a)
plants need air to breathe
b)
it makes the plants green
c)
it is the process by which plants make their own food
d)
without it the Earth would all be a desert
51.

Which statement about photosynthesis is correct?

a)

Plants get the energy they need for photosynthesis from water.

b)

Plants get the energy they need for photosynthesis from soil.

c)

Plants get the energy they need for photosynthesis from sunlight.

d)

Plants do not require energy to perform photosynthesis.

52.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

6CO2 + 6H2O → 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O → O2

c)

6O2 +6H2O → 6CO2 +C6H12O6

d)

C6H12O6 + 6O2 → 6H2O + 6CO2

53.
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 used carbon dioxide, while cellular respiration produces carbon dioxide.
54.
The process by which sugar is converted into energy (ATP) by living organisms is called
a)
photosynthesis
b)
cellular respiration
55.
The products of cellular respiration are
a)
carbon dioxide, water, energy
b)
oxygen and sugar (glucose)
56.
The products of photosynthesis are
a)
carbon dioxide, water, energy
b)
sugar (glucose), oxygen, water
57.
The reactants in photosynthesis are
a)
carbon dioxide, water
b)
sugar (glucose), oxygen
58.
The reactants in cellular respiration are
a)
sugar (glucose), oxygen
b)
carbon dioxide, water
59.
The green pigment in plants is called
a)
melanin
b)
chlorophyll
60.
Select the balanced equation that represents cellular respiration.
a)
C6H12O6 + 6O2 −−> 6CO2 + 6H2O + Energy
b)
2C6H12O6 + 4O2 −−> 4CO2 + 6H2O + Energy
61.

In which cell organelle does PHOTOSYNTHESIS take place?

a)

The chloroplast

b)

The mitochondria

c)

The cytoplasm

d)

The golgi apparatus

62.

Where in the cell does cellular respiration take place?

a)

The chloroplasts

b)

The golgi apparatus

c)

The mitochondria

d)

The cell wall

63.

How are photosynthesis and cellular respiration related?

a)

They're not, they are completely different processes and neither the products nor reactants of either process are related

b)

Both require sunlight to take place

c)

The products of photosynthesis (C6H12O6 + O2) are the same as the reactants of cellular respiration. The products of cellular respiration (CO2 + H2O) are the same as the reactants of photosynthesis

d)

They both take place in animal cells

64.

True of false: Plants do not need to undergo cellular respiration

a)

True

b)

False

65.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + Sugar
b)
CO2 + sugar + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + Sugar
d)
CO2 + O2 + H2O --> Light+ Sugar
66.

The reactants of photosynthesis are

a)

sugar and water

b)

sugar and oxygen

c)

carbon dioxide and water

d)

carbon dioxide and oxygen

67.

Which statement about photosynthesis is correct?

a)

Plants get the energy they need for photosynthesis from water.

b)

Plants get the energy they need for photosynthesis from soil.

c)

Plants get the energy they need for photosynthesis from sunlight.

d)

Plants do not require energy to perform photosynthesis.

68.

What are the products of photosynthesis?

a)

carbon dioxide and water

b)

carbon dioxide and oxygen

c)

glucose and oxygen

d)

glucose and water

69.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

6CO2 + 6H2O → 6O2 + C6H12O6

b)

6CO2 + C6H12O6 + 6H2O → O2

c)

6O2 +6H2O → 6CO2 +C6H12O6

d)

C6H12O6 + 6O2 → 6H2O + 6CO2

70.

Which gas is removed from the atmosphere during photosynthesis?

a)

hydrogen

b)

oxygen

c)

nitrogen

d)

carbon dioxide

71.

What gas is released by plants during photosynthesis?

a)

nitrogen

b)

carbon dioxide

c)

oxygen

d)

hydrogen

72.

What is the purpose of photosynthesis?

a)

make glucose

b)

make ATP

c)

make light

d)

release carbon dioxide

73.

What is one of the reactants of cellular respiration?

a)

energy

b)

glucose

c)

carbon dioxide

d)

water

74.

What are the reactants in the equation for cellular respiration?

a)

oxygen and lactic acid

b)

carbon dioxide and water

c)

glucose and oxygen

d)

water and glucose

75.

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

76.

What is the process in which plants capture the energy in sunlight and use it to make food?

a)

cellular respiration

b)

carbon dioxide

c)

glucose

d)

photosynthesis

77.

What is the process in which energy is broken down to release energy?

a)

photosynthesis

b)

cellular respiration

c)

chloroplasts

d)

glucose

78.

Plants make their own food called

a)

glucose

b)

oxygen

c)

carbon dioxide

d)

chloroplast

79.

Where does photosynthesis occur?

a)

mitochondria

b)

chloroplasts

c)

cytoplasm

80.

What is the green pigment (coloring) found in chloroplasts in plants?

a)

glucose

b)

sugar

c)

oxygen

d)

chlorophyll

81.

What are the small openings on an underside of a leaf through which gas is exchanged?

a)

stem

b)

stomata

c)

chlorophyll

d)

chloroplasts

82.

Where does cellular respiration take place?

a)

chloroplasts

b)

stomata

c)

mitochondria (in cytoplasm)

83.

When does photosynthesis occur?

a)

With sunlight

b)

At night

c)

All the time

84.

When does cellular respiration occur?

a)

With sunlight

b)

At night

c)

All the time

85.

In photosynthesis, what are the reactants (the input, what the plant takes in)?

a)

water

b)

oxygen

c)

glucose

d)

carbon dioxide

e)

milk

86.

In photosynthesis, what are the products (output, what is released or made)?

a)

oxygen

b)

water

c)

glucose

d)

carbon dioxide

87.

In cellular respiration, what are the reactants (input)?

a)

oxygen

b)

water

c)

glucose

d)

carbon dioxide

88.

In cellular respiration, what are the products (the output)?

a)

water

b)

carbon dioxide

c)

energy

d)

glucose

89.

What equation is this?

a)

Photosynthesis

b)

Cellular Respiration

90.

What equation is this?

a)

Photosynthesis

b)

Cellular Respiration

91.

Photosynthesis and cellular respiration can be thought of as _________ processes

a)

similar

b)

opposite

92.

Photosynthesis occurs in what type of cells?

a)

Plants

b)

All

c)

Algae

93.

Cellular respiration occurs in mostly all cells/organisms

a)

True

b)

False

94.

What is the first step of the Krebs cycle?

a)

acetyl CoA combines with the four carbon compound to create a six carbon compound

b)

CO2 is released from a six carbon compound to form a five carbon compound

c)

CO2 is released from a five carbon compound to form a four carbon compound

d)

A four carbon compound is transformed and ready to accept another acetyl CoA

95.

What is the second major step in the Krebs cycle?

a)

four carbon compound is then ready to accept a new acetyl group and the cycle is repeated

b)

six carbon compound then undergoes decarboxylation and oxidation to form a five carbon compound

c)

five carbon compound undergoes decarboxylation and oxidation to form a four carbon compound

d)

four carbon compound then undergoes substrate-level phosphorylation and during this reaction it produces ATP

96.

What is the third major step of the Krebs cycle?

a)

four carbon compound is then ready to accept a new acetyl group and the cycle is repeated

b)

four carbon compound then undergoes substrate-level phosphorylation and during this reaction it produces ATP

c)

This six carbon compound then undergoes decarboxylation and oxidation to form a five carbon compound

d)

The five carbon compound undergoes decarboxylation and oxidation to form a four carbon compound

97.

What is the fourth major step of the Krebs cycle?

a)

four carbon compound then undergoes substrate-level phosphorylation and during this reaction it produces ATP

b)

The acetyl group from acetyl CoA is transferred to a four carbon compound

c)

The four carbon compound is then ready to accept a new acetyl group and the cycle is repeated

d)

The five carbon compound undergoes decarboxylation and oxidation again to form a four carbon compound

98.

What happens during each major step when hydrogen is removed?

a)

The H+'s are rejected by FADH2 and forms FAD

b)

The H+'s are accepted by FAD and forms FADH2

c)

The H+ is accepted by NAD+ and forms NADH

d)

The H+ is rejected by NADH and forms NAD

99.

Where do NADH and FADH2 carry their energy to in the cell?

a)

Nucleus

b)

Golgi Appartus

c)

Lysosome

d)

Mitochondria

100.

What part of the mitochondria do NADH and FADH2 travel to?

a)

Cristae

b)

Ribosome

c)

DNA

d)

Matrix

101.

What is the first step?

a)

Stimulus

b)

ETC

c)

Krebs Cycle

d)

Glycolysis

102.

What happens in glycolysis?

a)

Electrons flow through ATP Synthase, which makes ATP

b)

Pyruvates are stuck together, pulled apart; this repeats again and again

c)

Water breaks sugar

d)

Nothing

103.

What happens in Krebs cycle (aka Citric Acid Cycle)?

a)

Electrons flow through ATP Synthase, which makes ATP

b)

Pyruvates are stuck together, pulled apart, repeat

c)

Water breaks sugar

d)

Nothing

104.

What are reactants for glycolysis?

a)

Pyruvate, Oxygen

b)

Oxygen, NADH, FADH2

c)

Sugar, Water

d)

ATP

105.

What are reactants for Krebs Cycle?

a)

Pyruvate, Oxygen

b)

Oxygen, NADH, FADH2

c)

Sugar, Water

d)

ATP

106.

What are reactants for ETC?

a)

Pyruvate, Oxygen

b)

Oxygen, NADH, FADH2

c)

Sugar, Water

d)

ATP

107.

What happens in ETC?

a)

Electrons flow through ATP Synthase, which makes ATP

b)

Pyruvate are stuck together, pulled apart, repeat

c)

Water breaks sugar

d)

Nothing

108.

What is the 2nd step?

a)

Krebs Cycle

b)

ETC

c)

Glycolysis

d)

Biology

109.

What is the 3rd step?

a)

Krebs Cycle

b)

ETC

c)

Glycolysis

d)

Biology

110.

Where is the ETC?

a)

Mitochondria

b)

Inner Membrane

c)

Cytoplasm

d)

Homeostasis

111.

Where is the krebs cycle?

a)

Mitochondria

b)

Inner Membrane

c)

Cytoplasm

d)

Homeostasis

112.

Where is glycolysis?

a)

Mitochondria

b)

Inner Membrane

c)

Cytoplasm

d)

Homeostasis

113.

Which of the following are the three steps of cellular respiration?

a)

Photosynthesis, Krebs Cycle, & ETC

b)

Glycolysis, Krebs Cycle, & Calvin Cycle

c)

Glycolysis, Krebs Cycle, & ETC

d)

Dark Reactions, Krebs Cycle, & Light Reactions

114.

How much ATP is produced in the Krebs cycle and glycolysis?

a)

2 ATP

b)

6 ATP

c)

32 ATP

d)

34 ATP

115.

How much ATP is produced in the Electron Transport Chain?

a)

30 ATP

b)

28 ATP

c)

20 ATP

d)

34 ATP

116.

Glucose is broken down into 2 pyruvate molecules during which process

a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
117.

Which statement is true regarding cellular respiration?

a)

The reactants of cellular respiration are identical to the reactants of photosynthesis.

b)

The reactants of cellular respiration are obtained from the products of photosynthesis.

c)

The products of cellular respiration are the same as the products of photosynthesis

d)

Cellular respiration only occurs in autotrophs, photosynthesis occurs only in heterotrophs.

118.

What is FALSE about fermentation?

a)

The two steps are glycolysis and NAD+ regeneration

b)

The two types are lactic acid and alcohol fermentation

c)

It makes a lot more ATP than cellular respiration

d)

it's an anaerobic process

119.
When glycolysis occurs,
a)
a molecule of glucose is split
b)
two pyruvate are made
c)
some ATP is produced
d)
all of these
120.
Which of the following processes creates the most ATP during aerobic cellular respiration?
a)
glycolysis
b)
fermentation
c)
electron transport chain
d)
Kreb's cycle
121.
Which molecule enters Krebs Cycle?
a)
Pyruvate
b)
Glucose
c)
Acetyl CoA
d)
reducing powers
122.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)

Amylase

d)
none of the above
123.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)

Inner mitochondrial membrane (cristae)

d)
Cytosol (outside of the mitochondria)
124.
Which passes high energy electron into the electron transport chain
a)
NADH & FADH2
b)
ATP & ADP
c)
citric acid
d)
acetyl CoA
125.
The final electron acceptor in respiration is ___ that mixes with ___ to produce ___.
a)

water, hydrogen, oxygen

b)

hydrogen, oxygen, water

c)

oxygen, hydrogen, water

126.

What process involves pumping H+ ions across the intermembrane space and needs high energy electron carriers (NADH and FADH2) to begin?

a)
Electron Transport Chain
b)
Link Reaction
c)
Chemiosmosis
d)
Glycolysis
127.

True or False. The Krebs Cycle takes place within the mitochondrial matrix.

a)

True

b)

False

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