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G7 Respiration

Total questions: 130

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
2.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
3.

Glucose is broken down into pyruvic acid during which process

a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
4.
Aerobic respiration is different from anaerobic respiration in that aerobic respiration needs...
a)
chlorophyll
b)
carbon dioxide
c)
glucose
d)
oxygen
5.
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
6.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
7.

Which molecule isn't a high energy hydrogen carrier?

a)
FADH2
b)
NADH
c)
oxygen
8.

what are the outputs of glycolysis?

a)

CO2

b)

Pyruvic acid x 2

c)

H2O

d)

ATP

9.
The energy in ATP is stored 
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
10.
What is the energy molecule?
a)
DNA
b)
ATP
c)
RNA
d)
AAA
11.
The splitting of the glucose molecule is called?
a)
synthesis
b)
denaturalization
c)
glycolysis
d)
dissolving
12.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

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.

Each glucose (6C) produces how many pyruvic acid (3C) molecules?

a)

5

b)

2

c)

3

d)

4

15.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
16.

What happens to the carbon atoms in glucose during cellular respiration?

a)

They are exhaled as CO2CO_2  

b)

They disappear

c)

They are broken down and dissolve

d)

They stay in the mitochondria forever

17.

Why does the third phosphate in ATP have so much energy stored in the bond?

a)

it is highly unstable

b)

it isn't

c)

it is highly stable

d)

it is moving very fast

18.

What role do NADH and FADH2 (produced during Glycolysis and Kreb's Cycle) play in cellular respiration

a)

they are energy carriers (hydrogen)that use that energy to produce massive amounts of ATP

b)

They are waste products and are pushed out of the cell

c)

They are necessary for long-term energy storage

d)

They don't play any role in cellular respiration

19.

What are the outputs of the kreb's cycle

a)

CO2

b)

H2O

c)

ATP

d)

NADH and FADH2

20.

What happens in the electron transport chain?

a)

NADH and FADH2 drop off hydrogens to form massive amounts of ATP

b)

pyruvic acid is formed from breaking down glucose

c)

CO2 is released and H2O and ATP

d)

glucose is broken down and ATP is formed

21.
What is the name of the 1st step of cellular respiration?
a)
Glycolysis
b)
Kreb's Cycle
c)
ETC
d)
Anaerobic respiration
22.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
23.
This process releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
a)
photosynthesis
b)
light-independent reaction
c)
cellular respiration
d)
light-dependent reaction
24.
Glucose is broken down during which process
a)
Krebs cycle
b)
Calvin cycle
c)
Glycolysis
d)
Photosynthesis
25.
Which is not a waste product of cellular respiration?
a)
Water
b)
Heat
c)
Carbon Dioxide
d)
Oxygen
26.
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
27.
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
28.
The energy in ATP is stored 
a)
in the bond between the second and third phosphate
b)
in the bond between the first and second phosphate
c)
in the bond between the adenosine and the first phosphate
d)
I like turtles
29.

Which of the following is a reactant of cellular respiration

a)

Carbon Dioxide

b)

Water

c)

Oxygen

d)

ATP

30.

Which of the following is a product of cellular respiration?

a)

Glucose

b)

Carbon Dioxide

c)

Oxygen

d)

Radiant Energy

31.

Which of the following is a product of cellular respiration?

a)

Radiant Energy

b)

Oxygen

c)

Glucose

d)

Water

32.

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.

33.

A decrease in the amount of oxygen available will....

a)

not have an effect on the amount of energy produced during cellular respiration

b)

decrease the amount of glucose produced during cellular respiration

c)

cause the amount of water produced during cellular respiration to increase

d)

decrease the amount of energy produced during cellular respiration

34.
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
35.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
36.
What are the reactants in cellular respiration?
a)
glucose and oxygen
b)
glucose and carbon dioxide
c)
water and carbon dioxide
d)
oxygen and glucose
37.
What are the products in cellular respiration?
a)
water and carbon dioxide
b)
water and glucose
c)
carbon dioxide and oxygen
d)
glucose and oxygen
38.

Which of the following organelles is responsible for cellular respiration?

a)

Mitochondria

b)

Nucleus

c)

Endoplasmic Reticulum

d)

Ribosome

39.
______________ produces the most ATP.
a)
photosnthesis
b)
aerobic respiration
c)
anaerobic respiration
d)
glycolysis
40.
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
41.
What is the net gain of ATP during glycolysis?
a)
1
b)
2
c)
3
d)
4
42.
This is referred to as the energy currency of the cell
a)
ADP
b)
ATP
c)
Mitochondria
d)
Nucleus
43.

What organisms undergo cellular respiration?

a)

fungi

b)

animals

c)

plants

d)

all organisms

44.

Which part of cellular respiration produces the most ATP?

a)

Krebs Cycle

b)

glycolysis

c)

ETC

d)

light dependent reaction

45.
What molecule is broken down to provide energy for life processes?
a)
oxygen
b)
carbon dioxide
c)
glucose
d)
water
46.
Aerobic respiration produces how many ATP molecules
a)
2
b)
26
c)
36
d)
50
47.
What type of respiration requires oxygen?
a)
Aerobic
b)
Anaerobic
48.
What type of respiration does not require oxygen?
a)
Aerobic
b)
Anaerobic
49.

When we say a process requires oxygen, we call it what?

a)

Anaerobic

b)

Aerobic

c)

Oxyphillic

d)

Oxygenphilia

50.

When we say a process that does not require oxygen, we call it what?

a)

Anaerobic

b)

Aerobic

c)

Oxyphillic

d)

Oxygenphilia

51.

True or False: An anaerobic process is one that does not require oxygen to take place.

a)

True

b)

False

52.

True or False: We call the first phase of cellular respiration glycolysis.

a)

True

b)

False

53.

Which of the following is a reactant of cellular respiration?

a)

Oxygen

b)

Carbon Dioxide

c)

Glucose

d)

Glucose and Oxygen

54.

Glycolysis is responsible for breaking glucose down into what?

a)

CO2

b)

H2O

c)

Acetyl CoA

d)

2 Pyruvic Acids

55.

True or False: This is the cellular respiration equation:

C6H12O6 + O2 ------> CO2 + H2O

a)

True

b)

False

56.

True or False: Only heterotrophs need to perform cellular respiration.

a)

True

b)

False

57.

During which phase of cellular respiration is the most ATP harvested?

a)

Glycolysis

b)

Krebs Cycle

c)

Electron Transport Chain

d)

Citric Acid Cycle

58.

Which of the following is NOT a product of cellular respiration?

a)

Water

b)

Carbon Dioxide

c)

Energy in the form of ATP

d)

Glucose

59.

Many different chemical reactions occur during cellular respiration. It is a process that requires certain resources to get started and in turn it produces resources when it is finished. With all of that being said, why do organisms want to perform cellular respiration? What is the main purpose?

a)

To make H2O from CO2

b)

To harvest energy from food

c)

To create much needed O2

d)

To create glucose

60.

In each phase of cellular respiration there is a certain amount of chemical energy harvested in the form of ATP. On a perfect day, with everything running at 100% efficiency, how many molecules of ATP can we harvest from 1 molecule of glucose?

a)

38

b)

23

c)

4

d)

2

61.

When an organism is in a low oxygen situation, such as running sprints, cellular respiration ceases and the organism must use a different metabolic pathway for creating energy without oxygen. What do we call this process?

a)

Acidification

b)

Hydrolysis

c)

Fermentation

d)

Citric Acid Cycle

62.

During the Krebs cycle, pyruvic acid molecules are broken down to harvest 2 ATPs. What is created and released as a byproduct of that reaction?

a)

CO2

b)

H2O

c)

Neither of these

d)

Both of these

63.

Many electrons are excited during the first two phases of cellular respiration. These electrons hitch a ride on special electron carriers and are dropped off at the Electron Transport Chain. These electrons travel down the ETC and eventually get oxidized. Once this happens, O2 gets converted into…

a)

C6H12O6

b)

H2O

c)

CO2

d)

O2

64.

Where do the reactions of cellular respiration occur?

a)

Thylakoid & Stroma

b)

Cytoplasm & Mitochondria

c)

Mitochondria only

d)

None of these

65.

What does A represent?

a)

inner membrane

b)

cristae

c)

outer membrane

d)

matrix

66.

What does c represent?

a)

inner membrane

b)

cristae

c)

matrix

d)

outer membrane

67.

What letter represents the matrix?

a)

a

b)

b

c)

c

d)

b and c

68.

What organelle is pictured?

a)

chloroplast

b)

mitochondria

c)

lysosome

d)

bacteria

69.

What is the function of this organelle?

a)

power house of the cell

b)

makes ATP

c)

cellular respiration

d)

photosynthesis

70.

Which of these are reactants needed to start cellular respiration?

a)

oxygen

b)

carbon dioxide

c)

glucose

d)

water

71.

Which of these are products of cellular respiration?

a)

oxygen

b)

carbon dioxide

c)

water

d)

ATP

72.

What stage occurs in the cytosol (cytoplasm) of the cell?

a)

glycolysis

b)

Kreb's cycle

c)

ETC

d)

Calvin Cycle

73.

What molecule does glycolysis split in two?

a)

starch

b)

glucose

c)

water

d)
74.

What is the last stage of cellular respiration?

a)

glycolysis

b)

Kreb's cycle

c)

ETC

d)

Calvin Cycle

75.

What is the second stage of cellular respiration?

a)

glycolysis

b)

Kreb's Cycle

c)

ETC

d)

Calvin Cycle

76.

How many stages does cellular respiration have?

a)

1

b)

2

c)

3

d)

4

77.

Where in the mitochondria does the Kreb's cycle occur?

a)

outer membrane

b)

inner membrane

c)

cristae

d)

matrix

78.

Glycolysis splits glucose into 2, 3 carbon ________ molecules

a)

G3P

b)

ATP

c)

pyruvate

d)

acetyle COA

79.

What does aerobic mean?

a)

with water

b)

with oxygen

c)

without oxygen

d)

with light

80.

What is cellular respiration

a)

How plants make food using the sun

b)

How organisms use CO2 and O2 to make energy

c)

Carbon dioxide and water

81.

What is ATP

a)

Usable energy

b)

Food

c)

carbon dioxide

d)

only plants use it

82.

What are the inputs of cellular respiration?

a)

Glucose and Oxygen

b)

Sun, water and carbon dioxide

c)

Glucose and Water

d)

Sunlight and Water

83.

What are the outputs of cellular respiration?

a)

carbon dioxide, water and ATP

b)

ATP and Glucose

c)

Oxygen and Glucose

d)

Sunlight, Glucose and Water

84.

Cellular respiration is anaerobic.

a)

True

b)

False

85.

Cellular respiration happens in the ________________.

a)

Chloroplast

b)

Nucleus

c)

Mitochondria

d)

Stomata

86.

A process that requires oxygen

a)

anaerobic

b)

cardio

c)

aerobic

d)

O2

87.

A process that does NOT require oxygen

a)

anaerobic

b)

aerobic

c)

sleep

d)

relaxing

88.

How many steps are there in cellular respiration?

a)

4

b)

2

c)

5

d)

3

89.

What organisms go through cellular respiration?

a)

Plants

b)

Animals

c)

Humans

d)

Plants, animals and humans

90.

The chloroplast is where cellular respiration happens

a)

False

b)

True

91.

What do organisms use ATP for?

a)

To make glucose

b)

To live and function

c)

For photosynthesis

92.

What is the name of the 1st step of cellular respiration?

a)

aerobic

b)

Kreb's cycle

c)

Glycolysis

d)

ETC

93.

What output of cellular respiration is energy?

a)

Sunlight

b)

ATP

c)

Glucose

d)

Water

94.

What input of cellular respiration is energy?

a)

Glucose

b)

ATP

c)

Aerobic respiration

d)

H2O

95.

Plants do not go through cellular respiration

a)

True

b)

False

96.

Billy went on a 2 mile run. Was he using aerobic or anaerobic respiration?

a)

Aerobic

b)

Anaerobic

97.

How is photosynthesis and cellular respiration connected?

4 lines
98.

Draw the symbol for Oxygen

99.

Draw the symbol for water

100.

Draw the symbol for carbon dioxide

101.

What is the chemical equation for cellular respiration?

a)

Glucose + Oxygen -> Carbon dioxide + Water + Energy

b)

Oxygen + Carbon dioxide + Energy -> Glucose + Water

c)

Carbon dioxide + Glucose -> Oxygen + Water + Energy

d)

Water + Carbon dioxide + Energy -> Oxygen + Glucose

102.
What is the equation for photosynthesis? 
a)
Water + Carbon dioxide + Energy -> Oxygen + Glucose
b)
Carbon dioxide + Glucose -> Oxygen + Water + Energy
c)
Oxygen + Carbon dioxide + Energy  -> Glucose + Water
d)
Glucose + Oxygen -> Carbon dioxide + Water + Energy
103.
When an organism breaks down food, the atoms get rearranged into different molecules. When the atoms get rearranged, what is released?  
a)
Energy
b)
Water
c)
Glucose
d)
Oxygen 
104.
Cellular respiration is similar in both plants and animals in what way?
a)
Energy is required and oxygen is released.
b)
Nitrogen is required and energy is released.
c)
Oxygen is required and energy is released.
d)
Oxygen is required and carbon is released.
105.
What pigment in the leaf captures energy from the sun?
a)
carbon
b)
chlorophyll
c)
air
d)
chloroplast
106.
Carbon dioxide enters the leave through what opening?
a)
root
b)
stem
c)
stomata
d)
stomach
107.
What is absorbed by the tree roots and transported to the leaves?
a)
air
b)
water
c)
carbon
d)
glucose
108.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
109.
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
110.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
111.

What are the tiny compartments inside your lungs fill with air and are surrounded by capillaries?

a)

lungs

b)

alveoli

c)

bronchi

d)

bronchioles

112.

The "windpipe" is known as the

a)

alveoli

b)

esophagus

c)

trachea

d)

bronchi

113.

Where would you find cilia?

a)

nose and alveoli

b)

bronchioles and mouth

c)

trachea and nose

d)

all of the above

114.

When you exhale, the diaphragm

a)

moves upwards

b)

moves downwards

c)

flattens

d)

none of the above

115.

What does the digestive system do?

a)

brings in oxygen

b)

gets rid of carbon dioxide

c)

absorbs glucose from food

d)

none of the above

116.

Which one accurately describes the difference between respiration and cell respiration?

a)

respiration produces glucose while cell respiration does not

b)

cell respiration is a process in cells where energy is made, while respiration is breathing

c)

respiration occurs in cells while cell respiration produces glucose

d)

none of the above

117.

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

a)

oxygen

b)

glucose/food

c)

carbon dioxide

d)

water

e)

energy

118.

What is the chemical formula for carbon dioxide?

a)

H2O

b)

CO

c)

CO2

d)

C6H12O6

119.

Which of the following is a product/output of cellular respiration?

a)

Glucose

b)

Carbon Dioxide

c)

Oxygen

d)

Radiant Energy

120.

What is the correct equation for cellular respiration?

a)

oxygen + sugar -> carbon dioxide + water + Energy

b)

carbon dioxide + sugar + Energy -> carbon dioxide + water

c)

carbon dioxide + water -> oxygen + sugar + Energy

d)

carbon dioxide + water + Energy -> oxygen + sugar

121.

What type of energy is stored in glucose?

a)

Chemical

b)

Radiant

c)

Electrical

d)

Kinetic

122.

What is the chemical formula of water?

a)

CO2

b)

H2O

c)

C6H12O6

d)

HO4

123.

Where does food enter the blood stream?

a)

Stomach

b)

small intestine

c)

liver

d)

kidney

124.

How does oxygen travel into the blood stream? Put the sequence in order.

a)

nose/mouth

b)

trachea

c)

bronchioles

d)

alveoli

e)

capillaries

1)
2)
3)
4)
5)
125.

How does FOOD/GLUCOSE enter the blood stream? Put the structures in order:

a)

mouth

b)

stomach

c)

small intestine

d)

villi

e)

capillaries

1)
2)
3)
4)
5)
126.

Where does the cellular respiration reaction occur?

a)

in all cells

b)

in the small intestine

c)

in the lungs

d)

in the blood

127.

How does exercise/physical activity change the respiration reaction?

a)

Makes it go faster

b)

Makes it go slower

c)

There is no effect on the reaction, just breathing.

d)

Makes it only happen in your legs

128.

Which body part uses the MOST oxygen when you are rest?

a)

brain

b)

heart

c)

muscles

d)

digestive system

129.

What happens to glucose levels in blood after meals?

a)

They drop/decrease

b)

They rise/increase

c)

There is no change in glucose levels.

d)

They become flat or normal.

130.

How does exercise influence your glucose levels?

a)

Makes them drop faster.

b)

Makes them rise faster.

c)

Makes them become even.

d)

Make them rise and then fall.

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