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Biology A Final Exam Practice - 2023/2024

Total questions: 197

Worksheet time: 3hrs 48mins

Name
Class
Date
1.

How many sentences should a claim be?

a)

1

b)

2

c)

3

d)

It doesn't matter

2.

Which of these statements is NOT a claim?

a)

Global temperatures are increasing due to carbon dioxide.

b)

Missing assignments do not affect your grades.

c)

I like blue Jolly Ranchers.

3.

What should NOT be included in your evidence?

a)

Observations from an investigation.

b)

Numbers from your data table.

c)

Opinions about the scientific data.

4.

Why do you need to include reasoning in your CER?

a)

It shows how or why the evidence supports the claim

b)

It provides justification about why the evidence is important

c)

It includes the scientific principle to support the claim

d)

All of the above

5.

What is the best claim based on the data in this graph?

a)

When the weight of particles increase, the length decreases

b)

When the weight of particles increase, the length also increases

c)

The length of particles is not related to weight of particles.

6.

What is the best claim based on the data in this graph?

a)

More cars are being made every year

b)

Electric cars are better than gas cars

c)

The number of electric cars worldwide is increasing

d)

Electric cars stopped being sold in 2019

7.

CER is a form of writing that...

a)

can be used to make an argument

b)

can be used to summarize a story

c)

can be used to tell a fictional story

8.

How could this claim be improved?

EXAMPLE CLAIM: She is a good person because she defended child laborers when others wouldn't.

a)

Add an opinion

b)

Be specific about who "she" is

c)

Restate the question

d)

Add another claim sentence

9.

How could this evidence best be improved?

EXAMPLE: According to the text he says, "juggling e­mails, phone calls and other incoming information can change how people think and behave." (Ritchel 1).

a)

Add quotation marks around the quote

b)

Include a quote from the text

c)

Include the exact title of the text and the name of the person who wrote the quote

d)

Write the quote in your own words

10.

What is an example of a claim?

a)

Mr. Smith likes Star Wars

b)

In the fall, because of changes in the length of daylight and changes in temperature, the leaves stop their food-making process.

c)

The data shows that when leaves are taken away from sunlight, they change colors.

11.

What is an example of reasoning?

a)

Honey is stored in hives.

b)

Honeybees store their honey in hives.

c)

Honeybees use hexagons to store the honey and pollen they bring to the hive.

12.

What is an example of evidence?

a)

Football players are 33% more likely to get injured than baseball players.

b)

Football is more dangerous than baseball.

c)

Baseball is a fun sport.

13.

Why do we need evidence?

a)

To answer a question

b)

To show how and why

c)

To prove our claim is true

14.

Which one of these is an evidence sentence starter?

a)

Answers a question

b)

The data shows…

c)

This is important because…

15.

Why do we need reasoning?

a)

To show how and why

b)

to answer a question

c)

To prove your claim is true

16.

What does a reasoning sentence look like?

a)

Starts with the words Therefore or Because

b)

Answers the question

c)

Information from books

17.
A prediction or guess based on observations.
a)
data
b)
scientific process
c)
hypothesis
d)
question
18.

The information you collect while doing your experiment is called

a)

conclusions

b)

data

c)

hypotheses

d)

procedures

19.
The independent variable is the ONE thing you _____.
a)
change on purpose
b)
control or keep constant
c)
measure
20.

The variable that is being measured or observed is called the _______________. Hint: this is the variable that is the result or effect

a)

independent variable

b)

dependent variable

c)

control variable

21.

What is a constant/control in an experiment?

a)

Things that do not change in a experiment. It's the variable that stays the same. You can have many variables stay the same.

b)

It's the variables that the scientist changes in the experiment

c)

It's the variables that are being measured in an experiment

22.
What is being changed in this experiment?
a)
ramp height
b)
the speed that the ball rolls
c)
type of ball
23.
What is being kept constant?
a)
ramp height
b)
speed of the ball rolling
c)
type of ball
24.

How many independent variables should you have in an experiment?

a)

two

b)

as many as possible

c)

four

d)

one

25.
What is the Responding (Dependent) Variable in this graph?
a)
Plant Growth
b)
Growth (cm)
c)
Hours
d)
15
26.

What is the dependent variable of the graph?

a)
Grade
b)
Number of Students
27.

A student wants to test the effects of different types of exercise on heart rate.  What would be the dependent variable of the experiment?

a)

the measurement of heart rate

b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
28.
Josie was performing an experiment where she grew the same kind of tomatoes in the same soil and amount of water.  She sat one in the sun and one in a closet for 14 days.  What is the independent variable in Josie's experiment?
a)
tomatoes
b)
soil
c)
sunlight
d)
water
29.

What conclusions can you draw from this graph?

a)

The deer population went down over time.

b)

The deer population went up over time.

c)

The deer population went up quickly, then down, but then stayed the same.

d)

There are less deer because of hunters

30.

What data does this graph represent?

a)

Change in temperature of a liquid over time in 3 different containers

b)

How temperature can change the molecules in a material

c)

The phase changes of a material

d)

What type of container people use the most to store hot liquids.

31.

What information could you get from this graph?

a)

how much water is on Earth

b)

the percentage of the Earth that is covered in water

c)

how land is available on Earth

d)

how tall the highest mountain is

32.
Changes in the _________ variable causes changes in the _________ variable.
a)
independent; dependent
b)
dependent; independent
33.
The overall trend in the data would be best described as 
a)
increasing
b)
decreasing
c)
unchanging
d)
unrelated
34.
This data set shows that
a)
there is more CO2 in the atmosphere now than ever before
b)
Hawaii will be most affected by global warming
c)
global temperatures are rising
d)
there is more CO2 in Hawaii than anywhere else
35.
On the coordinate plane, which line is the x-axis?
a)
Horizontal Line (Side to Side)
b)
Vertical Line (Up and Down)
36.
On the coordinate plane, which line is the y-axis?
a)
Horizontal Line (Side to Side)
b)
Vertical Line (Up and Down)
37.

This graph shows the temperature in the lab for an entire experiment. (Determine which statement(s) is/are true.)

a)

The temperature reached its highest point during the experiment at Hour 12.

b)

The temperature was at its lowest when the experiment began.

c)

The temperature was decreasing for more hours than it was increasing during the experiment.

d)

The temperature at the end of the experiment was equal to the temperature at the beginning of the experiment.

38.
Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?
a)
The Theory of Gravity
b)
The Theory of Relativity
c)
The Cell Theory
d)
The Theory of Continental Drift
39.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
telescope
40.
All living things are made up of...
a)
cells
b)
cell tissues
c)
organ
d)
organ systems
41.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
42.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
43.

All cells -----

a)

come from other dead cells

b)

come from other living cells

c)

crystallize out of the air

44.

Unicellular organism that lacks a nucleus

a)

Prokaryotic Cell

b)

Eukaryotic Cell

45.

Organism whose cells contain a nucleus

a)

Prokaryotic Cell

b)

Eukaryotic Cell

46.

Contains DNA

a)

nucleus

b)

mitochondria

c)

chloroplast

d)

endoplasmic reticulum

47.

Converts solar energy to chemical energy stored in food

a)

nucleus

b)

mitochondria

c)

chloroplast

d)

endoplasmic reticulum

48.

Powerhouse of the cell

a)

nucleus

b)

mitochondria

c)

chloroplast

d)

endoplasmic reticulum

49.

The heart is an organ because it is a group of _____________ working together.

a)

organelles

b)

cells

c)

tissues

d)

systems

50.

Choose the correct order of organization from simplest to most complex.

a)

tissues --> cells --> organs --> organism --> organ system

b)

organism --> organ system --> organs --> tissues --> cells

c)

organs --> organ system --> tissues --> organism --> cells

d)

cells --> tissues -->organs --> organ systems --> organism

51.

Choose the correct order of organization from most complex to simplest.

a)

tissues --> cells --> organs --> organism --> organ system

b)

organism --> organ system --> organs --> tissues --> cells

c)

organs --> organ system --> tissues --> organism --> cells

d)

cells --> tissues -->organs --> organ systems --> organism

52.

Which of the following examples is correctly matched with its level of organization?

a)

A monarch butterfly is an organ system.

b)

The brain is a type of tissue.

c)

A mitochondrion is an organelle.

d)

A liver is a type of cell.

53.
The ___________ is the basic unit of life
a)
organ
b)
cell
c)
atom
d)
tissue
54.
A group of tissues that work together to perform a similar function is called_____. (Examples include the heart, lungs or stomach)
a)
cells
b)
tissues
c)
organs
d)
organ system
55.
 A group of cells that have similar functions? Examples are nervous, epithelial, muscle and connective
a)
cells
b)
tissues
c)
organs
d)
atoms
56.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
57.
All the living things on earth make up the
a)
geosphere
b)
hydrosphere
c)
biosphere
d)
atmosphere
58.
Nonliving factor that affects an ecosystem...
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
59.
What are the biotic factors in this image?
a)
sunlight, elephants, and grasses
b)
sunlight, water,  and air
c)
elephants, plants, trees 
60.
What are the abiotic factors in this image? 
a)
water, sunlight, air
b)
birds and plants
c)
water, plants, and birds 
61.
An ecosystem contains living and nonliving things.
a)
True
b)
False
62.
Communities are made up of 
a)
Different Ecosystems
b)
Same Species
c)
Different Populations
d)
atoms
63.

Membrane enclosed structures that carry out specialized functions within a cell.

a)

organs

b)

organelles

c)

ions

d)

molecules

64.

This bird is a(n)

a)

Organism

b)

Population

c)

Ecosystem

d)

Community

65.

All of the macaroni penguins in the image.

a)

Organ

b)

Organism

c)

Population

d)

Community

66.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
67.

Living things are based on a universal genetic

code. What molecule is responsible for that code?

a)

RNA

b)

Lipid

c)

Protein

d)

DNA

68.

Maintaining a stable internal

environment is called

a)

homeostasis

b)

equilibrium

c)

balance

d)

evenness

69.
A reaction to a stimulus is a ______________.
a)
hiccup
b)
response
c)
metabolism
d)
homeostasis
70.
Every organism must pass on its ________________, stored in DNA.
a)
metabolism
b)
response
c)
growth
d)
genetic code
71.

Identify the characteristic: when you step out into the cold, your body shivers in order to keep its temperature at 98.6oF.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow and develop

72.

Identify the characteristic: green plants produce their own food through the process of photosynthesis.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow and develop

73.
Provides usable energy for other life functions
a)
growth
b)
cellular respiration
c)
digestion
d)
excretion
74.

Which of the following is an example of homeostasis?

a)

adapting to your environment

b)

maintaining an appropriate respiration rate

c)

the sum of all of your chemical reactions

d)

being composed of more than one cell

75.
An organism made of one cell is called
a)
unicellular
b)
multicellular
76.
Green plants produce their own food through the process of photosynthesis.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
77.
A camel has eyelashes that work to keep the dust and sand out of its eyes.
a)
All living things adapt to their environment
b)
All living things grow
c)
All living things have cells
d)
All living things use energy
78.
Over three years, Tim's height has increased from 5'4" to 5'11".
a)
All living things contain cells
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
79.
The roots of a plant grow towards a source of ground water.
a)
All living things use energy
b)
All living things reproduce
c)
All living things respond to their environment
d)
All living things grow
80.
YOU are a multi-celled organism but an amoeba is a single celled organism.
a)
All living things have cells
b)
All living things grow
c)
All living things use energy
d)
All living things respond to their environment
81.
In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.
a)
one
b)
some
c)
all
d)
more than half
82.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
83.
Which of the following is not a characteristic of a Prokaryotic cell?
a)
unicellular
b)
floating DNA
c)
very small
d)
complex
84.
Which of the following is a characteristic of both Eukaryotic and Prokaryotic cells?
a)
ribosomes
b)
nucleus
c)
membrane bound organelles
d)
simple
85.
Eukaryotic cells are complex.
a)
true
b)
false
86.
Prokaryotic cells include bacteria.
a)
True
b)
False
87.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
88.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
89.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
90.
Both prokaryotes and eukaryotes have a nucleus.
a)
True
b)
False
91.
What kind of cell is this?
a)
Eukaryotic
b)
Prokaryotic
92.
Cells can only be seen with the help of a...
a)
hand lens 
b)
magnifying glass
c)
3D glasses 
d)
microscope 
93.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
94.
True or False:
cells can have different numbers or organelles because of the cell's function.
a)
True
b)
False
95.
Animal, fungi, plant, and protista cells are all examples of which type of cell?
a)
Eukaryotic
b)
Prokaryotic
c)
Both prokaryotic and eukaryotic
96.
Prokaryotic cells are older than Eukaryotic cells
a)
Flase
b)
True
97.

Which cell feature is responsible for making proteins?

a)

Lysosomes

b)

Ribosomes

c)

Mitochondria

d)

Cell Wall

98.

What is the name of the jelly-like substance that is inside the cell?

a)

Cytoplasm

b)

Nucleolus

c)

Cytokineses

d)

Flagella

99.

What cell feature is responsible for powering the cell?

a)

Rough ER

b)

Smooth ER

c)

Golgi Bodies

d)

Mitochondria

100.

What are two features plant cells have that animal cells do not have?

a)

lysosomes and cell wall

b)

cell wall and chloroplasts

c)

cell membrane and nucleolus

d)

plasma membrane and vacuoles

101.

What cell feature is responsible for storing water in plant cells?

a)

Mitochondria

b)

Lysosomes

c)

Large Central Vacuole

d)

Plasma Membrane

102.

What is the main function of the cell wall?

a)

To protect and provide support for the cell

b)

Builds proteins

c)

Convert solar energy into chemical energy

d)

Break down enzymes

103.

You will not find a cell wall in which organism?

a)

Fungi

b)

Plants

c)

Animals

104.

Which organelle would you expect to find in a plant cell but not in an animal cell?

a)

Mitochondria

b)

Ribosome

c)

Chloroplast

d)

Cytomplasm

105.

What part of the cell regulates what enters and leave the cell as well as provides protection and support

a)

Nucleus

b)

Cell Membrane

c)

Ribosomes

d)

Rough ER

106.

What organelle is L pointing to?

a)

Nucleolus

b)

Mitochondria

c)

Nucleus

d)

Golgi Body

107.
What organelle is I pointing to?
a)
Rough ER
b)
Ribosome
c)
Mitochondria
d)
Chloroplast
108.

Identify Number 1

a)

Cell Wall

b)

Cell Membrane

c)

PLasma membrane

d)

Cytoplasm

109.
Identify #6
a)
Cytoplasm
b)
Mitochondria
c)
Chloroplast
d)
Ribosome
110.
Identify G
a)
Cytoplasm
b)
Central Vacuole
c)
Chloroplasm
d)
Bubble
111.
Identify #5
a)
DNA
b)
Ribosomes
c)
Pilus
d)
Cell membrane
112.
Identify 11
a)
Centrosome
b)
Cytoplasm
c)
Cell Membrane
d)
gel
113.
This is a _____ cell.
a)
Plant
b)
Animal
c)
Bacteria
d)
Prokaryote
114.
This is a ____ Cell.
a)
Plant
b)
Animal
c)
Bacteria
d)
Ameoba
115.

Aerobic cellular respiration uses the Sun to make energy.

a)

True

b)

False

116.

Cellular Respiration release energy.

a)

True

b)

False

117.

Photosynthesis uses carbohydrates to make ATP.

a)

True

b)

False

118.

Photosynthesis converts 1 molecule of glucose into 6 molecules of carbon and 6 molecules of water.

a)

True

b)

False

119.

Cellular respiration removes carbon dioxide from the air.

a)

True

b)

False

120.

Photosynthesis releases oxygen into the air.

a)

True

b)

False

121.

Cellular respiration removes carbon dioxide from the air.

a)

True

b)

False

122.

Cellular respiration removes oxygen from the air.

a)

True

b)

False

123.

6CO2 + 6H20 + energy ------> C6H12O6 + 6O2 is the equation for ?

a)

Cellular Respiration

b)

Photosynthesis

124.

The reactants in cellular respiration are ?

a)

6C02 and 6H2O

b)

C6H12O6 and 6O2

125.

The products of photosynthesis are ?

a)

C6H12O6 and 6O2

b)

6CO2 and 6H2O

126.

What is cellular respiration?

a)

the breakdown of glucose to release ATP

b)

the breakdown of glucose to release carbon

127.

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.

128.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
129.
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 used carbon dioxide, while cellular respiration produces carbon dioxide.
130.

Select all that are inputs for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

131.

Select all that are outputs of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

132.

BTB was used to indicate the amount of carbon dioxide present in the test tubes. A plant was placed in each test tube. The test tube on the left was placed in the dark and the one on the right was in the light. Which of the following best explains the results?

a)

The solution in the right test tube became more blue because the algae was doing more photosynthesis and using carbon dioxide.

b)

The solution in the right test tube became more blue because the algae was doing more photosynthesis and producing carbon dioxide.

c)

The solution in the right test tube became more blue because the algae was only doing cellular respiration and producing carbon dioxide.

d)

The solution in the right test tube became more yellow because the algae was only doing cellular respiration and using carbon dioxide.

133.

If the amount carbon dioxide is increased what happens to the rate of photosynthesis?

a)

it increases

b)

it decreases

c)

it doesn't change

d)

it is not affected

134.

What are organic molecules?

a)

Molecules based on oxygen

b)

Molecules based on carbon

c)

Molecules that are made in laboratories

d)

Molecules that organisms cannot make on their own

135.

What is unique about carbon and its bonding ability?

a)

It can bond with any element because it has 1 valence electron

b)

It can only bond with other carbon atoms

c)

It can form up to four different bonds because it has 4 valence electrons

d)

It can break down bonds in other molecules

136.

One type of organic molecule is a MACROMOLECULE. What are the 4 types of macromolecules?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Sulfates

e)

Nucleic acids

137.

Macromolecules are often POLYMERS. What are polymers?

a)

Really large molecules made from smaller molecules

b)

Small building blocks

c)

Inorganic materials

d)

Large molecules made from oxygen

138.

What is the name of the reaction that builds polymers from monomers?

a)

hydrolysis

b)

acidification

c)

organic synthesis

d)

dehydration synthesis

139.

What is the name of the reaction that breaks apart a polymer into monomers?

a)

dehydration synthesis

b)

condensation reaction

c)

hydrolysis

d)

acidification

140.
The molecules needed for life are called...
a)
Atoms
b)
Biomolecules
c)
photosynthesis 
d)
elements
141.
This biomolecule is composed of carbon, hydrogen and oxygen. It can be found in foods such as bread, pasta, potatoes, and any other starchy food. 
a)
Protein
b)
lipids
c)
carbohydrates
d)
nucleic acid
142.
This biomolecule is a fancy word for fat. 
a)
lipid
b)
nucleic acid
c)
protein
d)
carbohydrate
143.
This biomolecule this biomolecule is composed of carbon, hydrogen, oxygen, and nitrogen. It is also made up of amino acids. 
a)
lipids
b)
nucleic acids
c)
protein
d)
carbohydrates
144.
This biomolecule is composed of carbon, hydrogen, oxygen, nitrogen, and phosphorous. It also stores and transfers genetic information.
a)
Lipids
b)
Carbohydrates
c)
Protein
d)
Nucleic Acid
145.
This is a type of protein that can speed up chemical reactions. 
a)
Nucleic Acid
b)
Organic
c)
Enzyme
d)
Chloroplast
146.
Which element must be present to make something organic?
a)
Carbon
b)
helium
c)
magnesium
d)
aluminum
147.
A large molecule formed by bonding smaller units is called...
a)
monomer
b)
organic
c)
polymer
d)
proteins
148.
A single molecule that can be formed to make a larger molecule. 
a)
Monomer
b)
polymer
c)
protein
d)
enzyme
149.
This biomolecule is hydrophobic (it does not like water)...
a)
enzyme
b)
biomolecule
c)
lipid
d)
amino acid
150.
The picture is of a biomolecule that is performs specific functions and is made up of amino acids...
a)
amino acid
b)
protein
c)
carbohydrates
d)
nucleic acid
151.
Which of the following is organic?
a)
CHO
b)
H2O
c)
NaCl
d)
H3O
152.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
153.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
154.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
155.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
156.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
157.
Which of the following organic compounds is the main source of energy for living things?
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
158.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
159.

Enzymes belong to which class of macromolecules?

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

160.

Sugar belongs to which class of macromolecules?

a)

proteins

b)

lipids

c)

nucleic acids

d)

carbohydrates

161.

This image shows the monomer for

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

162.
Is found in the cell membrane as a bilayer. 
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
163.

This image shows the monomer for 

a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
164.

This image shows the monomer for

a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
165.

Identify the Reactants in this equation.

a)

A

b)

B

166.

How many atoms of nitrogen are in the compound shown above?

a)

1

b)

2

c)

3

d)

4

167.

How many atoms of nitrogen are present in this molecule?

a)

1

b)

2

c)

3

d)

4

168.

What does the symbol inside the circle mean?

a)

"yields, or produces"

b)

"dissolved in water"

c)

"forms a precipitate"

d)

"released as a gas"

169.

Is the compound in the pink box a Reactant or a Product?

a)

Reactant

b)

Product

170.

How many molecules of KNO3 are shown?

a)

1

b)

2

c)

3

d)

4

171.

How many atoms of oxygen are represented in the picture?

a)

2

b)

3

c)

5

d)

6

172.

a combination of symbols that shows the element(s) in a molecule or compound and the ratio of atoms

a)

mathematical formula

b)

mathematical equation

c)

chemical formula

d)

chemical equation

173.

a representation of a chemical reaction that uses symbols to show the relationship between the reactants and the products

a)

mathematical formula

b)

mathematical equation

c)

chemical formula

d)

chemical equation

174.

a substance that takes part in and undergoes change during a reaction.

a)

coefficient

b)

subscript

c)

reactant

d)

product

175.

a substance that forms in a chemical reaction

a)

coefficient

b)

subscript

c)

reactant

d)

product

176.

Suppose you have 15g of baking soda and mix it with 15g of vinegar. When they are combined they bubble and fizz a lot. The final solution has a mass of 25g. What happened to the "lost" 5g?

a)

it dissappears

b)

it is still there just not weighted

c)

it is in the gas that is formed

d)

nothing happened

177.
If reaction starts with 20g of reactants it should produce 
a)
a total of 40g of products
b)
a total of 10g of products
c)
a total of 80 g of products
d)
a total of 20g of products
178.

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

a)

A

b)

B

c)

C

d)

D

179.

When sodium and chlorine combine to form sodium chloride, sodium chloride is the:

a)

Originator

b)

Reactant

c)

Product

d)

Produce

180.

Which of the models of a chemical reaction best represents the Law of Conservation of Mass?

a)

A

b)

B

c)

C

d)

D

181.

Based on the Law of Conservation of Matter, describe the relationship between the mass of the reactants and the mass of the products.

a)

The mass of the products is always greater than the mass of the reactants.

b)

The mass of the reactants is less than the mass of the products.

c)

The mass of the reactants equals the mass of the products.

d)

The mass of the reactants is greater than the mass of the products.

182.
12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed? 
a)
28 g
b)
4g
c)
30g
d)
12g
183.

Enzymes are responsible for-

a)

Speeding up reactions

b)

Giving the body energy

c)

Slowing down reactions

184.

Letter D...

a)

active site

b)

enzyme

c)

substrate

d)

products

185.

Letter B...

a)

active site

b)

enzyme

c)

substrate

d)

products

186.

Letter c...

a)

active site

b)

enzyme

c)

substrate

d)

products

187.

An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 

a)

true

b)

false

188.

What information is provided in this graph?

a)

temperature and weather

b)

temperature and climate

c)

temperature and precipitation

d)

temperature and trees

189.

What graph feature is used for temperature?

a)

y axis

b)

x axis

c)

bars

d)

line

190.

Which side of the graph will you read to determine the temperature?

a)

right side

b)

left side

c)

bottom

d)

top

191.

Which climate has the lowest precipitation level?

a)

Climate A

b)

Climate B

c)

Climate C

d)

none of the climates are low

192.
Which month has the lowest average temperature?
a)
December
b)
November
c)
January
d)
February 
193.
How many total students are in the science class?
a)
13
b)
6
c)
27
d)
25
194.
The graph shows the results of a survey in which students were asked to name their favorite season. How many students were surveyed in all?
a)
26
b)
27
c)
16
d)
18
195.

In the chart , a music store listed the number of CDs sold each month for 6 months. Which graph correctly represents the information in the chart?

a)
b)
c)
d)
196.

The graph shows the number of cars sold from January to April. How many more cars were sold in March than in January?

a)

2,000

b)

5,000

c)

7,000

d)

8,000

197.

The bar graph shows the number of hamburgers sold at Bob’s Burger Shack. On which days were more than 80 hamburgers sold?

a)

Wednesday and Friday

b)

Tuesday and Thursday

c)

Monday, Tuesday, and Thursday

d)

Tuesday, Wednesday, Thursday, and Friday

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