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Unit 2 Test Review

Total questions: 91

Worksheet time: 1hrs 24mins

Name
Class
Date
1.

A protein is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

2.

A carbohydrate is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

3.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
4.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
5.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
6.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
7.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
8.
Carbohydrates are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
9.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
10.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
11.
Is found in the cell membrane as a bilayer. 
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
12.
What is the primary function of carbohydrates in your body?
a)
Speed up chemical reactions.
b)
Give immediate energy.
c)
Help to store energy.
d)
Build cell walls in plants.
13.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
14.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
15.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
16.

What is the function of the cell membrane?

a)

To control what comes in and out of the cell

b)

To break down food inside the cell

c)

to not let any material in and out of the cell

d)

to eat the cells food

17.

Which organelle produces the energy a cell needs to carry out its function

a)

Mitochondria

b)

Golgi Bodies

c)

Cytoplasm

d)

Nucleus

18.

What is the function of the Vacuoles

a)

Store food, water, and sometimes waste

b)

Receive proteins

c)

Assembles amino acids

d)

Found inside the nucleus

19.

Which cell contains Chloroplasts?

a)

Animal

b)

Plant

20.
You might think of me as the trash collector, but recycler is maybe more accurate. What am I?
a)
cytoplasm
b)
lysosome
c)
vacuole
d)
ribosome
21.

What means of cellular transport requires energy?

a)
passive
b)
active
c)
facilitated
d)
osmosis
22.
What is the diffusion of water through a selectively permeable membrane?
a)
active transport
b)
osmotic pressure
c)
facilitated diffusion
d)
osmosis
23.
Diffusion is the movement of particles
a)
from low to high concentration
b)
from  high to low concentration
c)
from equilibrium to areas of high concentration
d)
all of the above
24.
What characteristic of the cell membrane allows only certain material to pass through?
a)
selective gating
b)
selective permeability
c)
hydrophilia
d)
selective service
25.
Facilitated diffusion requires
a)
no energy
b)
energy
26.
Placing a cell in an isotonic solution causes the cell to
a)
shrink
b)
swell
c)
stay the same
27.
Placing a cell containing 10% salt  into a solution containing 15% salt will cause the cell to
a)
shrink
b)
 swell
c)
stay the same
28.
Moving from areas of LOW concentration to areas of HIGH concentration is called?
a)
Passive Transport
b)
Active Transport
c)
Diffusion
d)
Osmosis
29.
My cells are Shriveled!    What state are my cells in?
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Diffusion 
30.
When moving particles AGAINST their concentration gradient, this is called?
a)
Passive Transport
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
31.
If the question asks about Osmosis, I will look for an answer about?
a)
Particles
b)
Salt
c)
Sugar
d)
Water
32.
If the question asks about something being PUMPED, I will look for an answer about?
a)
Passive Transport
b)
Active Transport
c)
Facilitated Diffusion
d)
Osmosis
33.
Which way is the water moving in this cell?
a)
The water level will increase on the right side
b)
The water level will increase on the left side
c)
The water level on both sides will increase
d)
The water level on both sides will decrease
34.
Which way is the water moving in this cell?
a)
Water will move out of the cell
b)
Water will move into the cell
35.
Endocytosis is defined as
a)
the movement of large molecules from the inside of the cell to the outisde of the cell using channel proteins. 
b)
the movement of large molecules from the inside of the cell to the outisde of the cell membrane vesciles. 
c)
 the movement of large molecules from the outside of the cell to the inside of the cell using membrane vesciles.
d)
the movement of large molecules from the outside of the cell to the inside of the cell using channel proteins. 
36.
What type of transport is this?
a)
facilitated diffusion
b)
active transport
c)
diffusion
d)
osmosis
37.

What are the two types of cell transport?

a)

Passive and Active

b)

Active and Facilitated

c)

Passive and Facilitated

d)

None of the above

38.

Which describes a hypotonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

39.

Which describes a hypertonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

40.

Which describes an isotonic environment?

a)

Too much water in the cell will cause the cell to burst - the percentage of water is higher outside the cell than inside the cell

b)

Too little water in the cell will cause the cell to shrink - the percentage of water is lower outside the cell than inside the cell

c)

Concentrations of water are equal inside and outside the cell

41.

Match the following organelles to their function.

a)

Nucleus

1.

Stores DNA (genetic information)

b)

Mitochondria

2.

makes cellular energy

c)

Vacuole

3.

stores food, water and

waste

d)

Cell Membrane

4.

Surrounds and protects

the cell

e)

Golgi Apparatus

5.

collects, modifies,

stores and delivers molecules

in the cell

42.

Match the following organelles to their function.

a)

Ribosome

1.

makes proteins according to

DNA instructions

b)

Chloroplast

2.

uses energy from the sun

to make food through photosynthesis

c)

Lysosomes

3.

clean the cell

d)

Endoplasmic Reticulum

4.

produce and transport lipids

and proteins

e)

Cell Wall

5.

rigid, protective barrier (maintains plant cell

shape)

43.

Which number in the picture represents the enzyme?

a)

1

b)

2

c)

3

d)

4

44.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
45.
In the diagram, what is letter A? 
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
46.
An enzyme speeds up a reaction by
a)
lowering the activation energy.
b)
raising the activation energy.
c)
releasing energy.
d)
absorbing energy.
47.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
48.
Based on the graph, what temperature does this enzyme work best? 
a)
15 C
b)
40 C
c)
30 C
d)
47 C
49.

The enzyme amylase (green line) will work best at what pH?

a)

pH 2

b)

pH 7

c)

pH 9

d)

pH 5

50.

Identify the structure in the diagram.

a)

Phospholipid

b)

Cholesterol

c)

Triglyceride

d)

Carbohydrate

51.

Which part of the phospholipid is the hydrophobic portion (repels water)?

a)

Glycerol

b)

Fatty acids

c)

Water

d)

Glycogen

52.
A phospholipid has 2 parts. What are they called? 
a)
Hydrophilic Head, Hydrophobic Tail 
b)
Hydrophobic Head, Hydrophilic Tail 
53.
"Water Loving"
a)
Hydrophobic
b)
Hydrophilic 
c)
Hydroelectric 
d)
Hydroloric
54.

Drag and label the parts of the phospholipid bilayer.

a)

hydrophilic

b)

hydrophobic

1
2
1)
2)
55.
This picture represents what type of cell transport?
a)
endocytosis
b)
exocytosis
c)
osmosis
d)
passive transport
56.

Determine the tonicity

Categorize the following
Hypotonic
Isotonic
Hypertonic
57.

Organize these options into the right categories

Determine the Tonicity

(Each has 1 picture answer and 3 discrilptions)

Categorize the following

Cells are in an environment in which solute concentration is high

Cells are in an environment in which solute concentration is low

Cells are in an environment in which solute concentration is the same inside/outside the cell

Water diffuses out of the cell

Water diffuses into the cell

Water diffuses into and out of the cell

Cell shrink / shrivel

Cell swell and can burst (lyse)

Cell is at normal functional size

Hypertonic Solution
Hypotonic Solution
Isotonic Solution
58.

What type of solution is this healthy looking red blood cell in?

a)

Isotonic

b)

Hypertonic

c)

Hypotonic

59.
What type of solution allows water to enter the plant cell?
a)
hypotonic solution
b)
hypertonic solution
c)
isotonic solution
d)
active transport
60.

Match the following

a)

1.

Hypertonic

b)

2.

Hypotonic

c)

3.

Isotonic

d)

4.

Osmosis

e)

5.

Diffusion

61.

An autotroph can:

a)

Make its own food

b)

Make its own water

c)

Make its own oxygen

d)

Make its own carbon

62.

Where does photosynthesis occur?

a)

In the mitochondria

b)

In the chloroplast of animal cells

c)

In the chloroplast of plant cells

d)

In the mitochondria of plant cells

63.

What type of energy conversion occurs in photosynthesis?

a)

Light from the sun to chemical in glucose

b)

Chemical in glucose to chemical in ATP

64.

Which of the following equations represents the overall chemical reaction for photosynthesis?

a)

6O2+ 6H2O → C6H12O6+ 6O2

b)

C6H12O6 + 6H2O→ 6O2+ 6O2

c)

6CO2+ 6H2O→ C6H12O6+ 6O2

d)

6O2 + 6H2O→ C6H12O6 + 6CO2

65.

Which of the following are the products of photosynthesis?

a)

Glucose

b)

Oxygen

c)

Carbon Dioxide

d)

Water

66.

Where do plants get the energy to store in the bonds of glucose?

a)

The Soil

b)

The Sun

c)

Water

d)

Carbon Dioxide

67.

Where does the light dependant reaction take place?

a)
thylakoid membrane of the chloroplasts
b)
cytoplasm
c)
nucleus
d)
mitochondria
68.

What are the reactants (what is needed) of the light-dependent reaction of photosynthesis?

a)
water and light energy
b)
carbon dioxide and ATP
c)
chlorophyll and NADPH
d)
glucose and oxygen
69.

What are the products of the light-dependent reaction of photosynthesis?

a)
Carbon dioxide and water
b)
Glucose and oxygen
c)
Starch and cellulose
d)

ATP and NADPH (high energy molecules)

(oxygen as waste)

70.

ADP is converted into what during the light-dependant reaction, and NADP+ is converted into what?

a)
ATP and NADPH
b)
ADP and NADP+
c)
ADP and NADPH
d)
ATP and NADP+
71.

What is the primary goal of the light-dependent reaction of photosynthesis?

a)
To produce oxygen as a byproduct
b)
To regulate the temperature of the plant
c)

To convert light energy into chemical energy (high energy molecules)

d)
To convert chemical energy into light energy
72.

How is the light-independent reaction different from the light dependent reaction?

a)
The light-independent reaction produces ATP, while the light-dependent reaction produces NADPH.
b)
The light-independent reaction does not require light, while the light-dependent reaction does.
c)
The light-independent reaction occurs in the thylakoid membrane, while the light-dependent reaction occurs in the stroma.
d)
The light-independent reaction converts carbon dioxide into glucose, while the light-dependent reaction converts water into oxygen.
73.

What is the product of the light-independent reactions?

a)
ATP
b)
oxygen
c)
carbon dioxide
d)
glucose
74.

Label the process of photosynthesis

a)

Glucose (sugars)

b)

Light

c)

H20

d)

O2

e)

CO2

1
2
3
4
5
1)
2)
3)
4)
5)
75.

Organize these options into the right categories

Determine the following as a light-dependent reaction or light-independent reaction.

Categorize the following

Occurs in Thylakoid

Occurs in Stroma

Requires light

Does not require light

Reactants: Water + Light / Products: Oxygen + NADPH + ATP

Reactants: CO2 + NADPH + ATP / Products: Sugars (Glucose)

Light-dependent reaction
Light-independent reaction
76.

What is the purpose of cellular respiration?

a)

Cellular energy

b)

Oxygen

c)

Sugar

d)

Protein

77.

What is the sugar that carbohydrates are broken down into?

a)

sucrose

b)

maltose

c)

glucose

d)

lactose

78.

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

79.

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, while photosynthesis only occurs in heterotrophs.

80.

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

81.

The following diagram shows the relationship between photosynthesis and respiration. What products of photosynthesis are the starting materials for cellular respiration?

a)

glucose and oxygen

b)

heat energy and ATP

c)

carbon dioxide and water

d)

light energy and chlorophyll

82.

Along with 2 net ATP, what is produced during glycolysis?

a)

6CO2

b)

6O2

c)

C6H12O6

d)

2 pyruvate (pyruvic acid)

83.
Which type of respiration occurs in the presence of oxygen?
a)
Aerobic
b)
Anaerobic
84.

What 3 things do plants need for the process of photosynthesis?

a)

Sunlight, oxygen, and sugar.

b)

Water, soil, and oxygen.

c)

Sunlight, carbon dioxide, and water.

d)

Sunlight, soil, and water.

85.

Photosynthesis occurs in:

a)

Mitochondria

b)

Chloroplasts

c)

Humans

d)

Animals

86.

The two main stages of photosynthesis are the

a)

light reactions and respiration

b)

dark reactions and the Calvin cycle

c)

light reactions and the Calvin cycle

d)

dark reactions and fermentation

87.

What is another name for producers?

a)

heterotrophs

b)

autotrophs

88.

What is the difference between food chains and food webs?

a)

Food chains show a single energy pathways, while food webs show several energy pathways

b)

Food web show multiple energy pathways, while food chains show only one energy pathway

89.

How much energy do you think is passed to the consumer when they eat food?

a)

100%

b)

90%

c)

75%

d)

10%

90.

How is the majority of energy lost between each trophic level?

a)

heat

b)

sleeping

c)

no energy is lost

91.

How much energy is lost from trophic level to trophic level?

a)

100%

b)

90%

c)

75%

d)

10%

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