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Pre-AP Biology Cellular Respiration

Total questions: 70

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
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 
2.
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
3.
Where does glycolysis occur?
a)
Inner mitochondrial membrane
b)
Mitochondrial Matrix
c)
Cytosol
d)
At a ribosome
4.
How many ATP are gained through glycolysis?
a)
0
b)
2
c)
4
d)
30-38
5.
What enzyme in the ETC is responsible for generating the ATP molecules?
a)
ATPase
b)
ATP synthase
c)
Hexokinase
d)
none of the above
6.
Where does ETC occur?
a)
Mitochondrial matrix
b)
Outer mitochondrial membrane
c)
Inner mitochondrial membrane
d)
Cytosol
7.
site of ATP synthase
a)
1
b)
2
c)
3
d)
4
8.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
9.
Which gas is a product released during photosynthesis that humans need for survival?
a)
Carbon dioxide
b)
neon
c)
nitrogen
d)
oxygen
10.
Which organism pictured must absorb carbon dioxide to survive?
a)
bird
b)
rabbit
c)
insect
d)
tree
11.
Which process takes place in the presence of oxygen and produces nearly 20 times as much as ATP as glycolysis alone?
a)
photosynthesis
b)
lactic acid fermentation
c)
aerobic respiration
d)
alcoholic fermentation
12.
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.
13.

A weightlifter is using heavy weights in short bursts for a competition. Because his muscle cells are not able to take in enough oxygen to make very much ATP the weightlifter begins to get fatigue in his muscles. Which of the following processes is most likely going on in the muscles of the weightlifter as he competes in his event?

a)

As the cells run out of oxygen they switch to anaerobic respiration (fermentation), which allows the cell to make small amounts of ATP in the absence of oxygen.

b)

As the cells run out of oxygen, they die off gradually and the weightlifter's muscles have fewer contracting muscle cells.

c)

The cells will never run out of oxygen if the weightlifter is breathing.

d)

As the cells run out of oxygen, they will continue to make the same amount of ATP, since oxygen is not required to make ATP.

14.
What function does ATP carry out in living things?
a)
aids in protein folding and coiling
b)
used to capture and transfer energy
c)
identifies DNA start sequences for transcription
d)
helps maintain the fluidity of cell membranes
15.
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
16.
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
17.
Which is not a waste product of cellular respiration?
a)
Water
b)
Heat
c)
Carbon Dioxide
d)
Oxygen
18.
What are the products (things that are made) in cellular respiration
a)
ATP
b)
Carbon dioxide (CO2)
c)
Water
d)
All of the above
19.
When complex carbohydrates are digested, what do they become
a)
simple sugars
b)
amino acids
c)
proteins
d)
fatty acids
20.
Glucose is broken down into pyruvate in a process known as 
a)
glycolysis
b)
electron transport
c)
the Krebs cycle
d)
phosphorylation
21.
This is the "powerhouse" of the cell. Most of an eukaryotic cell's energy is made here.
a)
mitochondria
b)
ribosomes
c)
chloroplasts
d)
nucleus
22.
This term refers to the production of ATP without oxygen being present.
a)
anaerobic
b)
prokaryotic
c)
biogenic
d)
organic
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 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
25.

Which of these reactions create water as an end product?

a)

glycolysis

b)

Kreb's

c)

ETC

d)

fermentation

26.

Oxygen is required for ___ to take place

a)

light-dependent

b)

light-independent

c)

ETC

d)

glycolysis

27.
The flow of these ions provide the energy necessary to build ATP. 
a)
water
b)
hydrogen
c)
NADH
d)
oxygen (O2)
28.
what are the reactants( things that are needed) in cellular respiration
a)
glucose
b)
oxygen
c)
both
29.

A. Chemiosmosis

B. Pyruvate Oxidation

C. Electron Transport Chain

D. Glycolysis

E. Citric Acid Cycle

List the stages of Cellular Respiration in order

a)

D, B, E, C, A

b)

D, E, B, A, C

c)

E, B, C, D, A

d)

A, B, D, C, E

30.

Oxygen is used in aerobic respiration in __________________ as/for the ___________________

a)

electron transport chain, final electron acceptor

b)

electron transport chain, oxidizing agent

c)

citric acid cycle, carbon dioxide production

d)

glycolysis, NADH production

31.

Which stage of cellular respiration produces the most ATP?

a)

Glycolysis

b)

Electron Transport Chain

c)

Citric Acid Cycle

32.

Glycolysis and the Citric Acid Cycle are important for the production of

a)

electron carriers

b)

carbon dioxide

c)

pyruvate

d)

citric acid

33.

All organisms share this metabolic process

a)

glycolysis

b)

electron transport chain

c)

citric acid cycle

d)

fermentation

34.

anaerobic respiration and fermentation are the same thing

a)

true

b)

false

35.
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
36.
Where does glycolysis take place?
a)
Cytoplasm
b)
Stroma
c)
Thylakoid
d)
Mitochondria
37.
Where does aerobic respiration take place?
a)
Cytoplasm
b)
Mitochondria
c)
Stroma
d)
Thylakoid
38.
What are the two reactants of cellular respiration?
a)
C6H12O6 & 6CO2
b)
6 CO2 & 6H2O
c)
C6H12O6 & 6O2
d)
6CO2 & 6O2
39.

What are the two products of aerobic respiration?

a)

Glucose & oxygen

b)

Carbon dioxide & water

c)

Lactic acid and oxygen

d)

ATP and oxygen

40.
What is the name of the process that helps make beer and wine?
a)
Fermentation
b)
Alcoholic fermentation
c)
Lactic acid fermentation
d)
Glycolysis
41.
Which type of fermentation occurs in muscles?
a)
Alcoholic 
b)
Lactic acid
42.
How does the amount of energy resulting from fermentation compare with that of aerobic respiration? 
a)
Aerobic respiration results in less energy.
b)
Each process results in equal amounts of energy.
c)
Aerobic respiration results in more energy.
d)
Each process results in variable amounts of energy. 
43.

Which is the correct order of the major steps of Cellular respiration.

a)

Glycolysis -->Citric Acid Cycle (Krebs’ cycle) --> Electron transport Chain

b)

Glycolysis -->Electron transport Chain --> Citric Acid Cycle (Krebs’ cycle)

c)

Electron Transport Chain -->Citric Acid Cycle (Krebs cycle) -->Glycolysis

d)

Glycolysis --> Electron Transport Chain -->Calvin Cycle

44.
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
45.
During chemiosmosis
a)
H+ ions serve as the final electron acceptor
b)
a concentration gradient is generated when H+ ions are passively transported from the matrix to the intermembrane space of the mitochondrion
c)
energy is released as H+ ions move freely across the mitochondrial membrane
d)
ATP is synthesized when H+ ions move through a channel in ATP synthase
46.
In yeast cells
a)
alcohol is produced during the citric acid cycle
b)
lactic acid is produced during the citric acid cycle
c)
alcohol is produced after glycolysis
d)
lactic acid is produced after glycolysis
47.
What is the main purpose of the Krebs cycle?
a)
to produce ATP
b)
to produce electron donators
c)
to produce water
d)
to produce carbon dioxide
48.
The final electron acceptor of aerobic respiration is
a)
oxygen
b)
water
c)
carbon dioxide
d)
NAD+
49.

What does a mitochondria look like inside?

a)

a football

b)

The inside membrane of a plant

c)

Double membrane

d)

cytoplasm

50.

True or False: The mitochondria contains DNA

a)

True

b)

False

51.

What type of cell is a mitochondria a part of?

a)

Endothelial Cells.

b)

Eukaryota Cell

c)

Yobhona Cell

d)

Prokaryota Cell

52.

Which one of the following biochemical processes occurs within the mitochondria?

a)

Photosynthesis

b)

Cellular respiration

c)

Protein synthesis

d)

Calvin cycle

53.

Which of the following processes of cellular respiration occur within the mitochondria?

Choose all those that are correct.

a)

Oxidative phosphorylation

b)

Krebs cycle

c)

Glycolysis

d)

Calvin cycle

e)

Light dependent reaction

54.

What is the purpose of the mitochondria?

a)

The mitochondria makes glucose and releases oxygen.

b)

The mitochondria breaks down glucose to make ATP.

c)

The mitochondria will produce proteins.

d)

The mitochondria will absorb light energy.

55.

Why is ATP crucial to the cell?

a)

ATP is the form of energy the cell needs for its activities.

b)

ATP is the form of light needed for plants to produce glucose.

c)

ATP comes from the breakdown of glucose in the mitochondria.

d)

ATP forms from ADP and a phosphate group.

56.

In what type of cells are chloroplasts found?

a)

Prokaryotic plant cells contain chloroplasts.

b)

Eukaryotic plant cells contain chloroplasts.

c)

Prokaryotic animal cells contain chloroplasts.

d)

Eukaryotic animal cells contain chloroplasts.

57.

Check which structures would be found in a chloroplasts.

a)

Stroma

b)

Thylakoids

c)

Two membranes

d)

Nucleus

e)

Ribosomes

58.
What is the function of ribosomes? 
a)
to bond amino acids together to form proteins
b)
to break down biological polymers
c)
to modify lipids and proteins
d)
to contain 
DNA
59.
Where can you find ribosomes? 
a)
only in prokaryotic cells
b)
only in plant cells
c)
only in eukaryotic cells
d)
in both prokaryotic and eukaryotic cells
60.
Where can you find ribosomes inside of eukaryotic cells? 
a)
only inside of the nucleus
b)
free-floating
c)
attached to the Endoplasmic Reticulum
d)
both free-floating and attached to the Endoplasmic Reticulum
61.
What is the difference between active and passive transport?
a)
Active does not need energy and passive uses ATP (energy)
b)
Active uses ATP (energy) and passive does not need energy
c)
Active stores transport proteins and passive releases 
d)
Active uses hormones and passive does not 
62.
What are 3 types of active transport?
a)
Riding a bike, Running through the mountains, walking on the beach
b)
Osmosis, Diffusion, Facilitated Diffusion
c)
Sodium/potassium Pump, Endocytosis, Exocytosis
d)
Throwing a ball, Playing tennis, driving a car
63.
What is Osmosis?
a)
equal concentration
b)
diffusion of water through a selectively-permeable membrane
c)
high to low concentration
d)
non-polar tail
64.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy
65.
Which of the following substances passes through the plasma membrane   through the process of osmosis?
a)
glucose
b)
water
c)
protein
d)
sodium
66.
The movement of atoms, ions, or molecules from an area of high concentration to an area of low concentration.
a)
osmosis
b)
active transport
c)
diffusion
d)
hypertonic
67.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
68.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
69.
What is photosynthesis?
a)
The process in which humans eat their food
b)
When a photographer takes a photo.
c)
To get your pictures from the photo lab.
d)
The process in which plants make their food.
70.
Name the 3 carbon molecule produced when glucose is broken in half during glycolysis.
a)
lactic acid
b)
pyruvic acid
c)
acetly-coA
d)
citric acid

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