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WorksheetsCellular Energy
Total questions: 120
Worksheet time: 2hrs 24mins
Name
Class
Date
1.
When respiration occurs with oxygen, it is called _______
a)
anaerobic
b)
aerobic
c)
light-dependent
d)
fermentation
2.
If your body runs out of oxygen, it will begin to perform ______.
a)
alcohol fermentation
b)
photosynthesis
c)
cellular respiratio
d)
lactic acid fermentation
3.
What substance produced by alcoholic fermentation makes bread rise?
a)
lactic acid
b)
oxygen
c)
alcoho
d)
carbon dioxide
4.
Which of the following best represents the waste products of cellular respiration?
a)
carbon dioxide and water
b)
carbon dioxide
c)
water
d)
carbon dioxide and oxygen
5.
What are the reactants for cellular respiration?
a)
oxygen and lactic acid
b)
water and glucose
c)
carbon dioxide and water
d)
glucose and oxygen
6.
Energy is released from ATP when
a)
a phosphate group is added
b)
a phosphate group is removed
c)
adenine binds to ribose
d)
ATP is exposed to sun
7.
Which of the following correctly describes the relationship between photosynthesis and cellular respiration?
a)
The reactants of photosynthesis are also the reactants for cellular respiration.
b)
The products of photosynthesis are also the products of cellular respiration.
c)
The reactants for photosynthesis are the products of cellular respiration.
d)
There is no relationship between photosynthesis and cellular respiration.
8.
Photosynthesis is to chloroplasts as cellular respiration is to
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
chloroplasts
9.
Which of the following is the correct equation for photosynthesis?
a)
water + carbon dioxide > glucose + oxygen
b)
water + oxygen > glucose + carbon dioxide
c)
oxygen + carbon dioxide > glucose + water
d)
glucose + oxygen > carbon dioxide + water
10.
Which of the following correctly describes the relationship between photosynthesis and cellular respiration?
a)
The reactants of photosynthesis are also the reactants for cellular respiration.
b)
The products of photosynthesis are also the products of cellular respiration.
c)
The reactants for photosynthesis are the products of cellular respiration.
d)
There is no relationship between photosynthesis and cellular respiration.
11.
Which term is defined as the ability to do work?
a)
energy
b)
thermodynamics
c)
autotroph
d)
wavelength
12.
Plants, cyanobacteria and some protists are able to make their own food using energy from the sun. Which term best describes these organisms?
a)
heterotrophs
b)
consumers
c)
herbivores
d)
autotrophs
13.
Which of the following is an anabolic pathway that builds large molecules from smaller molecules?
a)
photosynthesis
b)
cellular respiration
14.
Which of the following processes occurs in the chloroplast?
a)
lactic acid fermentation
b)
alcoholic fermentation
c)
cellular respiration
d)
photosynthesis
15.
Which of the following processes occurs in the mitochondria?
a)
cellular respiration
b)
photosynthesis
c)
the calvin cycle
d)
the light dependent reactions
16.
What is ATP?
a)
a carbohydrate
b)
the energy currency for cells
c)
a type of autotroph
d)
a pigment
17.
Which organisms can perform alcoholic fermentation?
a)
yeast
b)
some bacteria
c)
plants
d)
both yeast and some bacteria
18.
Which of the following produces the most energy (ATP) for cells?
a)
photosynthesis
b)
aerobic cellular respiration
c)
fermentation
d)
anaerobic cellular respiration
19.
Which of the following is an example of an organism that performs lactic acid fermentation?
a)
human muscle cells when low on oxygen
b)
bacteria that produce cheese
c)
bacteria that produce yogurt
d)
all of the above
20.
Which of the following is the location in a plant that performs the majority of photosynthesis?
a)
leaf
b)
stem
c)
root
d)
flower
21.
What are the structures called in a chloroplast that contain pigments and make up the stacks called grana?
a)
stroma
b)
thylakoids
c)
membranes
d)
cyclins
22.
Which gas is produced by photosynthesis?
a)
carbon dioxide
b)
water vapor
c)
oxygen
d)
nitrogen
23.
Why are pigments important to the process of photosynthesis?
a)
Absorb Light
b)
Reflect Light
24.
Why is photosynthesis important?
a)
Creates Food
b)
Breaks down food
25.
Why is cellular respiration important?
a)
Makes DNA
b)
Makes ATP
26.
What is the importance of ATP in a cell?
a)
Gives the cell energy
b)
a. gives off light energy
27.
Energy flows through an ecosystem from—
a)
a. the sun to autotrophs to heterotrophs
b)
the sun to heterotrophs to autotrophs
c)
autotrophs to heterotrophs and back to autotrophs
28.
Which of the following is not an autotroph?
a)
Plants
b)
Algae
c)
Humans
29.
Which compound serves as the major energy compound for a cell?
a)
DNA
b)
ATP
c)
Chlorophyll
30.
During photosynthesis, the light reactions take place in the _____, while the Calvin cycle takes place in the _____.
a)
grana, thylakoid
b)
thylakoid, stroma
31.
Cellular respiration involves an energy conversion. Which of the following represents the energy conversion that occurs during cellular respiration?
a)
ATP to glucose
b)
ATP to light energy
c)
a. glucose to ATP
32.
Glucose is the starting point for cellular respiration. Which type of biomolecule is glucose?
a)
carbohydrate
b)
lipid
33.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
34.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
35.
Using carbon dioxide and water to create glucose and oxygen is
a)
photosynthesis
b)
Cellular respiration
c)
diffusion
d)
osmosis
36.
Where does photosynthesis occur?
a)
mitochondria
b)
stomata
c)
xylem
d)
chloroplast
37.
6CO2 + 6H20 + light energy -> C6H12O6 + 6O2
In this chemcial equation, the highlight red is called the ______.
In this chemcial equation, the highlight red is called the ______.
a)
product
b)
reactant
c)
yields
d)
production
38.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
39.
Why is photosynthesis important?
a)
creates oxygen for animals to breath
b)
creates energy for heterotrophs to use
c)
creates food for plants to use
d)
all of these are correct
40.
Oxygen is...
a)
needed for photosynthesis to occur
b)
a product of cellular respiration
c)
a product of photosynthesis
d)
deadly to humans
41.
Which organic compound includes sugars and starches?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
42.
Plants use sunlight to make food in a process called
a)
respiration
b)
photosynthesis
c)
fermentation
d)
mitosis
43.
In the second stage of photosynthesis, plant cells
a)
turn green
b)
absorb light
c)
make sugars
d)
make new cells
44.
The first stage of respiration takes place in the
a)
nucleus
b)
chloroplasts
c)
cytoplasm
d)
mitochondria
45.
During photosynthesis, plants produce sugars and
a)
mitochondria
b)
proteins
c)
carbon dioxide
d)
oxygen
46.
Most of the energy that is released during respiration is produced in the
a)
mitochondria
b)
cytoplasm
c)
proteins
d)
nucleus
47.
Which process PRODUCES water?
a)
photosynthesis
b)
respiration
c)
neither photosynthesis nor respiration
d)
both photosynthesis and respiration
48.
Which process NEEDS energy?
a)
photosynthesis
b)
respiration
c)
neither photosynthesis nor respiration
d)
both photosynthesis and respiration
49.
Which process USES water?
a)
photosynthesis
b)
respiration
c)
neither photosynthesis nor respiration
d)
both photosynthesis and respiration
50.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
51.
A plant is releasing a gas. What is the mosl tlikely the gas?
a)
co2
b)
methane
c)
water vapor
d)
oxygen
52.
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
53.
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
54.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
55.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
56.
What is the source of energy for photosynthesis?
a)
carbohydrates-chemical
b)
sunlight-radiant
c)
heat-thermal
d)
television-electrical
57.
Oxygen is...
a)
needed for photosynthesis to occur
b)
a product of cellular respiration
c)
a product of photosynthesis
d)
deadly to humans
58.
Why is photosynthesis important?
a)
creates oxygen for animals to breath
b)
creates energy for heterotrophs to use
c)
creates food for plants to use
d)
all of these are correct
59.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
CO2 + light + H2O --> O2 + glucose
b)
CO2 + glucose + H2O --> O2 + light
c)
O2 + light + H2O --> CO2 + glucose
d)
CO2 + O2 + H2O --> Light+ glucose
60.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
61.
A plant is releasing a gas. What is the mosl tlikely the gas?
a)
co2
b)
methane
c)
water vapor
d)
oxygen
62.
Carbon dioxide and oxygen both enter and leave the leaf at the
a)
pore
b)
spongy measophyll
c)
guard cells
d)
stomata
63.
What is the waste energy from respiration given off as?
a)
Heat
b)
Light
c)
Sound
d)
Kinetic
64.
What are the products of aerobic respiration?
a)
Glucose and oxygen
b)
Carbon dioxide and water
c)
Lactic acid
d)
Carbon monoxide
65.
What type of respiration requires oxygen?
a)
Aerobic
b)
Anaerobic
66.
What is the molecule called that mitochondria produce when they respire glucose?
a)
ATP
b)
ADP
c)
DNA
d)
80p
67.
The expression "feel the burn" means that a person exercising is doing
a)
lactic acid fermentation
b)
alcoholic fermentation
c)
photosynthesis
d)
aerobic respiration
68.
In photosynthesis ...
a)
water is chloronated
b)
light energy is changed to glucose
c)
osmosis happens
d)
ATP is made
69.
The mitochondria is responsible for ...
a)
photosynthesis
b)
anaerobic respiration
c)
aerobic respiration
d)
fermentation
70.
A plant is releasing a gas. What is the most likely the gas?
a)
co2
b)
methane
c)
water vapor
d)
oxygen
71.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
72.
All living things do which of the following?
a)
Chemosynthesis
b)
Respiration
c)
photosynthesis
d)
all of the answers
73.
A bacteria that has chlorophyll will be able to do
a)
photosynthesis
b)
cellular respiration
c)
osmosis
d)
activen transport
74.
______________ produces the most ATP.
a)
photosnthesis
b)
aerobic respiration
c)
anaerobic respiration
d)
glycolysis
75.
How many ATP are produced in aerobic respiration?
a)
2
b)
33
c)
4
d)
36
76.
A plant is releasing a gas into the air, the gas is
a)
carbon dioxide
b)
methane
c)
helium
d)
oxygen
77.
ADP can be turned into ATP by adding __________ and a Phosphate.
a)
sugar
b)
lactic acid
c)
energy
d)
band aid
78.
You breathe in oxygen for
a)
photosynthesis
b)
anaerobic respiration
c)
fermentation
d)
aerobic respiration
79.
The number of ATP molecules produced out of Krebs Cycle is:
a)
2
b)
3
c)
4
d)
0
80.
How many FADH2 molecules are produced by 1 molecule of glucose?
a)
1
b)
2
c)
3
d)
4
81.
How many FADH2 molecules are produced by 1 turn of the Krebs Cycle?
a)
1
b)
2
c)
3
d)
4
82.
How many NADH molecules are produced by a molecule of glucose through the Krebs' Cycle?
a)
2
b)
3
c)
4
d)
6
83.
How many CO2 molecules are produced by the Krebs Cycle for a molecule of glucose?
a)
2
b)
4
c)
6
d)
3
84.
How many CO2 molecules are produced by the Krebs Cycle for a molecule of glucose?
a)
2
b)
4
c)
6
d)
3
85.
Krebs Cycle takes place in the:
a)
Cytoplasm
b)
Matrix
c)
Ribsome
d)
InterMembrane Space
86.
Folds in the mitochondrion are called:
a)
Cristae
b)
Matrix
c)
Golgi Bodies
d)
Carbuncles
87.
The inner most interior of the mitochondrion is called the:
a)
Cristae
b)
Matrix
c)
Golgi Bodies
d)
Carbuncles
88.
Krebs Cycle is part of_______________ respiration.
a)
Aerobic
b)
Anaerobic
89.
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
90.
What are the reactants for cellular respiration?
a)
oxygen and lactic acid
b)
water and glucose
c)
carbon dioxide and water
d)
glucose and oxygen
91.
Energy is released from ATP when
a)
a phosphate group is added
b)
a phosphate group is removed
c)
adenine binds to ribose
d)
ATP is exposed to sun
92.
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
93.
The first step in getting energy in the cell by breaking down glucose is known as
a)
the Krebs cycle
b)
electron transport
c)
fermentation
d)
glycolysis
94.
NADH and FADH2
a)
carry electrons to the ETC.
b)
bind with Acetyl CoA.
c)
supply energy for the cell.
d)
make water.
95.
Which of the following is not an end product of the Kreb's cycle?
a)
FADH2
b)
CO2
c)
pyruvate
d)
ATP
96.
What process is found in both aerobic and anaerobic metabolism?
a)
the Kreb's cycle
b)
oxidative phosphorylation
c)
the citric acid cycle
d)
glycolysis
97.
Glycolysis results in a net gain of how many ATP?
a)
0
b)
2
c)
4
d)
1
98.
The conversion of glucose to two 3-carbon compounds is the result of what process?
a)
the citric acid cycle
b)
glycolysis
c)
the electron transport chain
d)
oxidative phosphorylation
99.
site of the krebs cycle
a)
1
b)
2
c)
3
d)
4
100.
krebs cycle
a)
matrix
b)
cytoplasm
c)
outer compartment
d)
cristae membrane
101.
Which substance from the light-dependent reactions of photosynthesis is a source of energy for the Calvin Cycle?
a)
ADP
b)
H2O
c)
NADPH
d)
pyruvic acid
102.
Where does the Calvin Cycle occur?
a)
thylakoid
b)
stroma
c)
lumen
d)
mitochondria
103.
What is the main purpose of the light reactions?
a)
To provide the energy and electrons for the Calvin Cycle
b)
To capture energy and make sugar
c)
To reflect green light
d)
To make sugars
104.
Which of the following is NOT a reactant of the Calvin Cycle?
a)
NADPH
b)
ATP
c)
Oxygen
d)
Carbon dioxide
105.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
106.
The interior space of the chloroplast is called:
a)
Lamellae
b)
Grana
c)
Stroma
d)
Thylakoids
107.
Where does glycolysis take place in cells?
a)
Cytoplasm
b)
Mitochondrion
c)
Endoplasmic Reticulum
d)
Ribosomes
108.
Glycolysis results in the net gain of:
a)
2 ATP
b)
4 ATP
c)
4 NADH
d)
2 Acetyl CoA
109.
The first step in getting energy in the cell by breaking down glucose is known as
a)
the Krebs cycle
b)
electron transport
c)
fermentation
d)
glycolysis
110.
Where does glycolysis occur?
a)
mitochondrial matrix
b)
cytoplasm
c)
inner membrane of mitochondria
d)
outer membrane of mitochondria
111.
In glycolysis, glucose is converted into two molecules of _____.
a)
citric acid
b)
oxaloacetic acid
c)
pyruvic acid
d)
Acetyl CoA
112.
What is Anaerobic Respiration?
a)
process of producing energy without oxygen.
b)
process of producing energy with oxygen.
113.
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
114.
When respiration occurs with oxygen, it is called _______
a)
anaerobic
b)
aerobic
c)
light-dependent
d)
fermentation
115.
If your body runs out of oxygen, it will begin to perform ______.
a)
alcohol fermentation
b)
photosynthesis
c)
cellular respiration
d)
lactic acid fermentation
116.
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
117.
Where is lactic acid produced?
a)
in muscles
b)
in bread
c)
in plants
d)
in cheese
118.
Which process produces CO2 as a waste product?
a)
Lactic Acid Fermentation
b)
Ethanol (Alcoholic) Fermentation
119.
Fermentation is:
a)
Cellular Respiration
b)
Photosynthesis
c)
Aerobic
d)
Anaerobic
120.
Bread is a product of fermentation that contains bubbles. These bubbles come from:
a)
Carbon Dioxide
b)
Lactic Acid
c)
Oxygen
d)
Water
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