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Photosynthesis/ Cellular Respiration Unit Test

Total questions: 85

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
2.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
3.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
does not absorb green light.
d)
does not absorb violet light.
4.
What is the name of the simple sugar that is produced in photosynthesis?
a)
Sucrose
b)
Dextrose
c)
Glucose
d)
Lactose
5.
Chlorophyll is green because
a)
it absorbs green wavelengths of light
b)
it absorbs blue and yellow wavelengths of light
c)
it reflects green wavelengths of light
d)
it is an optical illusion caused by the transmission of light
6.
Which organelle performs PHOTOSYNTHESIS?
a)
Chloroplast
b)
Mitochondria
7.
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
8.
What process occurs when light energy is captured in autotrophs and converted into sugar?
a)
Photosynthesis
b)
Cellular Respiration
9.
What is the ultimate ORIGINAL source of energy for living things
a)
Sugar
b)
Sun
c)
Moon
d)
Carbon Dioxide
10.
Which of the following is an example of an AUTOTROPH?
a)
Appletree
b)
Dog
c)
Mushroom
d)
Human
11.
Which of the following is an example of a HETEROTROPH?
a)
Grass
b)
Algae
c)
Lemon Tree
d)
Bear
12.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
13.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
14.
Plants need ________ for photosynthesis
a)
oxygen
b)
soil
c)
carbon dioxide
d)
sugar
15.
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.
16.
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
17.
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.
18.
Where does a plant absorb the water that it uses during photosynthesis?
a)
Leaves
b)
Roots
19.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
20.
Chloroplasts are...
a)
Structures of animal cells to produce ATP
b)
Organelles where lipids are elaborated
c)
Specialized structures of plants where food is made
d)
Waste organelle of plants
21.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
22.
If all four plants were watered daily but placed in a closet, receiving no sunlight, what process would NOT occur?
a)
Ingestion of carbon dioxide
b)
Filtration of water through the soil
c)
Photosynthesis
d)
Water absorbtion
23.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

24.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
25.

Why do plants need sunlight for photosynthesis?

a)

The light creates heat needed for photosynthesis to occur

b)

The light provides the energy needed to power photosynthesis

c)

Plants can't absorb carbon dioxide in darkness

d)

Plants can't absorb water in darkness

26.
What are the reactants of cellular respiration?
a)
glucose & carbon dioxide
b)
glucose & oxygen
c)
water & oxygen
d)
water & carbon dioxide
27.
The purpose of cellular respiration is to 
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
28.
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
29.
If oxygen is not present what process will occur in yeast cells?
a)
Alcoholic fermentation
b)
Respiration
c)
Photosynthesis
d)
Lactic acid fermentation
30.
During fermentation, yeast produces CO2 and
a)
lactic acid
b)
alcohol
c)
hydrogen 
d)
water
31.
What does metabolism mean?
a)
Converting energy into food
b)
Making light reactions happen
c)
Converting food into energy
32.

Which of these is a product of cellular respiration?

a)

ATP

b)

Carbon dioxide

c)

Water

d)

All of these are a product of cellular respiration

33.
Which process produces the most ATP per molecule of glucose?
a)
lactic acid fermentation
b)
aerobic respiration
c)
alcoholic fermentation
d)
all are about the same
34.
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
35.
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
36.
Fermentation enables glycolysis to continue under 
a)
anaerobic conditions
b)
aerobic conditions
c)
photosynthetic conditions
d)
hydrophobic conditions
37.
How can photosynthesis be related to cellular respiration?
a)
What's produced by one is needed for the other
b)
They both produce the same products
c)
They both have the same reactants (need the same things)
d)
These 2 processes have nothing in common
38.
Where does carbon dioxide enter plants?
a)
The leaves
b)
Stem
c)
Roots
39.

Which type of organism would MOST likely benefit directly from increased levels of CO2?

a)

mushroom

b)

tree

c)

bird

d)

fish

40.
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
a)
Mitochonria
b)
Nucleus
c)
Vacuole
d)
Chloroplast
41.
Where does cellular respiration take place in the cell?
a)
Cell Membrane
b)
Nucleus
c)
Mitochondria
d)
Vacuole
42.

6O2 represents...

a)

water

b)

oxygen

c)

carbon dioxide

d)

glucose

43.

C6H12O6

a)

water

b)

glucose

c)

oxygen

d)

carbon dioxide

44.

6CO2 represents...

a)

carbon dioxide

b)

water

c)

oxygen

d)

energy

45.

ATP represents...

a)

energy

b)

water

c)

glucose

d)

oxygen

46.

The term aerobic means

a)

wine-making

b)

with carbon dioxide

c)

without carbon dioxide

d)

with oxygen

e)

without oxygen

47.

Where does a plant get the energy necessary to drive the chemical reaction in photosynthesis?

4 lines
48.

How do you know an organism is a heterotroph? Name three heterotrophs.

4 lines
49.

Why are most plants green?

4 lines
50.

What are the raw materials or reactants, for Stage 2 of photosynthesis, and where do these materials come from?

4 lines
51.

How does chlorophyll help the functioning of chloroplasts?

4 lines
52.

The concentration of carbon dioxide in the atmosphere has been gradually increasing for many years. How might this increase affect photosynthesis?

4 lines
53.

What are the roles of light, carbon dioxide, and water in the production of food and oxygen?

4 lines
54.

Would you expect a plant to produce less oxygen on a sunny day or a cloudy day? Explain.

4 lines
55.

How do the raw materials of photosynthesis compare to the products of cellular respiration?

4 lines
56.
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.
57.
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
58.
After intense activity, your muscles feel sore because of 
a)
the accumulation of NAD+
b)
the accumulation of lactic acid 
c)
the accumulation of ATP
d)
the accumulation of carbon dioxide
59.

Which organism go through cellular respiration?

a)

animals

b)

plants

c)

both animals and plants

d)

none

60.

Cellular Respiration occurs in what cell organelle?

a)

chloroplast

b)

cytoplasm

c)

mitochondria

d)

animal

61.

Which molecule is the reactant of Glycolysis?

a)

water

b)

glucose

c)

carbon dioxide

d)

ATP

62.

What happens when the

phosphate bonds of ATP break?

a)

Acid is neutralized.

b)

Energy is stored.

c)

Energy is released.

d)

An organism becomes sick.

63.

What is ATP?

a)

the energy of moving electrons

b)

an energy-rich substance that cells need to survive

c)

an acidic substance that makes muscles cramp

d)

an organism that uses fermentation to produce energy

64.

The energy produced by cellular respiration is stored in the ...

a)

ionic bonds of water.

b)

bonds between phosphates of ATP.

c)

chemical bonds of carbon dioxide.

d)

double covalent bonds of oxygen molecules.

65.

Which is the most common meaning of the word “converted”?

a)

changed

b)

appeared

c)

destroyed

d)

hidden

66.

What's the chemical formula for water?

a)

H2O

b)

6H2O

c)

H2O6

d)

H6O

67.

Which molecule is the product of the Krebs Cycle?

a)

oxygen

b)

pyruvic acid

c)

carbon dioxide

d)

water

68.
The two type of fermentation are alcohol and _____________ acid fermentation. 
a)
lactic
b)
sulfuric
c)
hydrochloric
d)
acetic 
69.
What is the net gain of ATP during glycolysis?
a)
1
b)
2
c)
4
d)
34
70.
Glucose is broken down during which process?
a)
Calvin cycle
b)
Glycolysis
c)
Krebs Cycle
d)
Photosynthesis 
71.
The purpose of cellular respiration is to 
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
72.
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
73.
When glycolysis occurs,
a)
a molecule of glucose is split
b)
two pyruvate are made
c)
some ATP is produced
d)
all of these
74.

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

75.
What is the molecule called that mitochondria produce when they respire glucose?
a)
ATP
b)
ADP
c)
DNA
d)
80p
76.
Plants can...
a)
Only use photosynthesis
b)
Only use cellular respiration
c)
Use photosynthesis and cellular respiration
77.
Animals can...
a)
Only use photosynthesis
b)
Only use cellular respiration
c)
Use photosynthesis and cellular respiration
78.
During photosynthesis, what gas do plants release?
a)
oxygen
b)
carbon dioxide
c)
water
d)
nitrogen
79.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
80.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
81.

Which of these most accurately shows the relationship between photosynthesis and cellular respiration?

a)
b)
c)
d)
82.

Which organelle carries out cellular respiration?

a)
b)
c)
d)
83.

Which describes the relationship between photosynthesis and cellular respiration?

a)

the reactants are the same, but the products are different

b)

the products are the same, but the reactants are different

c)

the reactants of photosynthesis are larger more complicated versions of the reactants for cellular respiration

d)

the reactants for photosynthesis are the products of respiration and the reactants for respiration are the products of photosynthesis

84.

Location for aerobic respiration

a)

mitochondria

b)

chloroplasts

c)

cytoplasm

d)

vesicle

85.

Location for anaerobic respiration

a)

mitochondria

b)

chloroplasts

c)

cytoplasm

d)

vesicle

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