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Worksheets

Test Review

Total questions: 227

Worksheet time: 8hrs 33mins

Name
Class
Date
1.

This variable in an experiment is the one being deliberately changed by the scientist.

a)

dependent variable

b)

independent variable

c)

data

d)

control group

2.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

a)

distance traveled by the ball

b)

height of the ramp

c)

mass of the ball

d)

weight of the ball

3.

Mr. S. sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the dependent variable.

a)

height of the ramp

b)

distance traveled by the ball

c)

mass of the ball

d)

weight of the ball

4.

What is the first step to the scientific method?

a)

making a hypothesis

b)

asking a quesion/defining the problem

c)

analyzing the data to form a conclusion

d)

creating a graph based on the data in the data table

5.

A company wants to test a new dog food that is supposed to help overweight dogs lose weight. 50 dogs are chosen to get the new food, and 50 more continue their normal diets. After one month, the dogs are checked to see if they lost any weight. What is the independent variable in this scenario?

a)

amount of dog food

b)

type of dog food

c)

the weight of the dog

d)

the breed of the dog

6.

A company wants to test a new dog food that is supposed to help overweight dogs lose weight. 50 dogs are chosen to get the new food, and 50 more continue their normal diets. After one month, the dogs are checked to see if they lost any weight. What is the dependent variable in this scenario?

a)

amount of dog food

b)

type of dog food

c)

the weight of the dog

d)

the breed of the dog

7.

A cow is given a growth hormone and then compared to another cow that was not given a growth hormone.  Both cows were weighed at 2 years. What is the independent variable in this scenario?

a)

the amount of hormone given

b)

the weight of the cow

c)

the type of cow tested

d)

the type of hormone tested

8.

A cow is given a growth hormone and then compared to another cow that was not given a growth hormone.  Both cows were weighed at 2 years. What is the dependent variable in this scenario?

a)

the amount of hormone given

b)

the weight of the cow

c)

the type of cow tested

d)

the type of hormone tested

9.

Information obtained through the senses.

a)

Observation

b)

Hypothesis

c)

Principle

d)

Inference

10.

A series of steps used to solve a scientific problem

a)

Scientific Theory

b)

Scientific Method

c)

Scientific Law

d)

Scientific Principle

11.

The condition in an experiment that is changed or manipulated.

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

12.

The condition in an experiment that is observed or measured

a)

Dependent Variable

b)

Experimental Group

c)

Independent Variable

d)

Control Group

13.

The condition that does not change in an experiment.

a)

Data

b)

Inference

c)

Variable

d)

Constant

14.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
15.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
16.

What is the last step of scientific method?

a)

hypothesis

b)

observe

c)

communicate

d)

question

17.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What are two CONSTANTS? (Select 2)

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

18.
Kim’s experiment showed that chicken egg shells were stronger when she gave the hen feed to which extra calcium had been added.
a)
recognize a problem
b)
test the hypothesis with an experiment
c)
form a hypothesis
d)
draw conclusions
19.
What do these steps describe?
1.  Ask a question
2.  Form a hypothesis
3.  Experiment to test hypothesis
4.  Analyze data
5.  Draw a conclusion
a)
Order of Operations
b)
Steps of CPR
c)
Scientific Method
d)
Essay writing
20.

What is the independent variable in this graph?

a)

Tadpoles

b)

Year

c)

Frogs

d)

Number of tadpoles in the pond

21.

Which of the following is the label for the independent variable.

a)

Money Collected

b)

Raising Money

c)

Boxes Sold

d)

None of the above

22.
a)
the independent variable is distance
b)
the independent variable is d=25 t
c)
the dependent variable is time
d)
the dependent variable is distance
23.
Pick the true statement about cellular organization:
a)
cells working together make tissues
b)
cells working together make organs
c)
tissues working together make organ systems
d)
organs working together make cells
24.
Which is the most complex of the choices below?
a)
cell
b)
tissue
c)
organ
d)
organ system
25.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
26.
What is another way of saying organism?
a)
living thing
b)
organ system
c)
tissue team
d)
critter
27.
What is another word for producer?
a)
autotroph
b)
heterotroph
c)
consumer
d)
decomposer
28.
Your body shivers when you are cold. This is because of the concept of...
a)
homeostasis
b)
heredity
c)
energy metabolism
d)
cellular organization
29.
What is another word for consumer?
a)
autotroph
b)
heterotroph
c)
producer
d)
decomposer
30.

If an organism is made entirely of one cell it is called...

a)

Multicellular

b)

Prokaryotic

c)

Unicellular

d)

Eukaryotic

31.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
32.
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
33.
Fungi, Plants, and Animals
a)
Unicellular organisms 
b)
Multicellular organisms
34.
Multicellular Organisms
a)
Made of 1 cell
b)
Made of more than 1 cell
35.

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

a)

Cell

b)

Stimulus

c)

Homeostasis

d)

DNA

36.
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
37.
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 and develop.

38.
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
39.
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
40.
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
41.
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
42.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
43.

What characteristic is shown: A bacteria cell divides itself in two.

a)

Reproduce

b)

Respond to a Stimulus

c)

Homeostasis

d)

Grow and Develop

44.

Which characteristic is shown: A corn field absorbs sunlight to produce food.

a)

Made of Cells

b)

Respond to a Stimulus

c)

Acquire and Use Energy

d)

Genetic Code

45.

Which characteristic is shown: A chocolate lab puppy becomes a fully grown dog.

a)

Respond to a Stimulus

b)

Grow and Develop

c)

Homeostasis

d)

Change Over Time

46.

Which characteristic is shown: A tadpole grows legs and becomes a fully grown frog.

a)

Homeostasis

b)

Grow and Develop

c)

Acquire and Use Energy

d)

Change Over Time

47.

Which characteristic is shown: A deer runs from a dog after hearing barking.

a)

Made of Cells

b)

Respond to a Stimulus

c)

Acquire and Use Energy

d)

Homeostasis

48.

Which characteristic is shown: Many bacteria have become resistant to the antibiotics we use.

a)

Respond to a Stimulus

b)

Made of Cells

c)

Change Over Time

d)

Homeostasis

49.
A _____ is something in the environment that causes an organism to respond.
a)
stimulus
b)
response
c)
cause
d)
effect
50.
A reaction to a stimulus is a ______________.
a)
hiccup
b)
response
c)
metabolism
d)
homeostasis
51.
An organism that makes its own food is 
a)
an omnivore
b)
a heterotroph
c)
an autotroph
d)
a carnivore
52.

What is an organ?

a)

Groups of similar types of cells that work together to carry out a specific task

b)

Groups of different organs working together to complete a series of tasks

c)

Groups of different tissues working together to perform a particular job

d)

The smallest unit of life

53.

What is a tissue

a)

Groups of similar types of cells that work together to carry out a specific task

b)

The smallest unit of life

c)

Groups of different tissues working together to perform a particular job

d)

Groups of different organs working together to complete a series of tasks

54.

What is the order of levels of organization of the body from SMALLEST to Largest?

a)

cell, organ, tissue, organ system, organism

b)

cell, organ, tissue, organ system, organism

c)

organism, organ system, organ, tissue, cell

d)

cell, tissue, organ, organ systems, organism

55.
a structure made up of different tissues working together
a)
organ
b)
cell
c)
tissue
d)
organelle
56.

Keeping the internal condition at a dynamic equilibrium is called __________.

a)

Homeostasis

b)

Anatomy

c)

Physiology

d)

Metabolism

57.

What organ system responsible for production of hormones?

a)

Cardiovascular

b)

Skeletal

c)

Muscular

d)

Respiratory

e)

Endocrine

58.

Organ system responsible for producing movement and heat

a)

Cardiovascular

b)

Skeletal

c)

Muscular

d)

Respiratory

e)

Endocrine

59.

The ______ system helps you move, protects your organs, gives support to the body, and makes red blood cells.

a)

skeletal system

b)

muscular system

c)

digestive system

d)

respiratory system

60.

The ________ system works with the skeletal system to help you move and provides shape and warmth.

a)

skeletal

b)

integumentary

c)

muscular

d)

digestive

61.

The _____ system's function is to break down food into molecules that the body (cells) can use for energy.

a)

muscular

b)

digestive

c)

respiratory

d)

endocrine

62.

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

a)

endocrine

b)

circulatory

c)

respiratory

d)

excretory

63.

The ______ system's function is gas exchange. It brings oxygen in and exhales carbon dioxide with the lungs, trachea, and diaphragm

a)

endocrine

b)

excretory

c)

circulatory

d)

respiratory

64.

The _______ system includes the skin, hair, and nails. It is the body's first line of defense, absorbs vitamin D, excretes sweat.

a)

respiratory

b)

nervous

c)

Integumentary

d)

skeletal

65.

This system controls the body using the brain, spinal cord, and nerves.

a)

nervous system

b)

endocrine system

c)

excretory system

d)

digestive system

66.

The ________ system is made of glands that secrete hormones into the blood to maintain homeostasis (balance)

a)

excretory

b)

endocrine

c)

digestive

d)

circulatory

67.

The ______ system removes the body's wastes through the kidneys (cell wastes), digestive (feces), respiratory (CO2), and integumentary (salts/sweat)

a)

excretory

b)

digestive

c)

respiratory

d)

circulatory

68.
Major organs of the digestive system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Liver, kidneys, heart
69.
Heart, blood vessels, blood
a)
Digestive system
b)
Excretory system
c)
Circulatory system
d)
Immune system
70.
Nose, trachea, lungs, alveoli
a)
Respiratory system
b)
Endocrine system
c)
Muscular system
d)
Skeletal system
71.
Kidneys, lungs, skin, nephrons
a)
Digestive system
b)
Excretory system
c)
Integumentary system
d)
Respiratory system
72.
The respiratory system works together with the ____ system so that all cells of the body receive oxygen. 
a)
nervous
b)
endocrine
c)
circulatory
d)
integumentary
73.

What is the correct order of organization?

a)

cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

74.

How does the digestive system and circulatory system work together?

a)

One breaks down food and the other delivers these nutrients throughout the body.

b)

They move and support the body.

c)

They bring in oxygen and circulate it throughout the body.

d)

They maintain fluid levels in body.

75.

How do the respiratory and circulatory systems work together?

a)

They move and support the body.

b)

They circulate blood and oxygen throughout the body.

c)

They digest food and circulate nutrients throughout the body.

d)

They maintain fluid levels within the body.

76.

The 3 parts of the Cell Theory are...?

a)

All living things are composed of cells

Cells are the basic units of structure and function in living things

All cells are produced from other cells

b)

All living things are composed of cells

Cells are the basic units of dance and vibes in living things

All cells are destroyed from other aliens

c)

All living things are composed of Jell-O

Cells are the basic units of structure and function in living things

All cells are produced from factories in Canada

d)

All living things are composed of cells

Cells do karate and practice eating whole pies in their free time

All cells are produced from other cells

77.
Which of the following scientists concluded that all animals are made of cells?
a)
Rudolf Virchow
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
78.
Which of the following scientists was the first to observe bacteria?
a)
Anton van Leuwenhoek
b)
Matthais Schleiden
c)
Robert Hooke
d)
Theodor Schwann
79.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
80.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin 
c)
Animals 
d)
Cells
81.

When cells are damaged, new cells are created by cell a process called cell division. How does the cell theory support this fact?

a)

It states that all cells have a nucleus which divides.

b)

It states that all living things are made up of one or more cells.

c)

It states that cells come from previously existing cells.

d)

It states that the basic units of structure and function are cells.

82.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
83.
Which scientist did NOT contribute to the cell theory?
a)
Anton Van Leeuwenhoek
b)

Robert Hooke
c)
Albert Einstein 
d)

Matthias Schleiden
84.
Who was the "scientist" who observed pond water and teeth scrapings in his microscope?
a)
Hooke
b)
Leeuwenhoek
c)
Schleidian
d)
Virchow
85.
Who looked at cork and named the cell?
a)
Robert Hooke
b)
Van Leeuwenhoek
c)
Robert Brown
d)
Francesco Redi
86.

Bacteria is classified as a what?

a)

Prokaryote

b)

Eukaryote

87.

Which scientist concluded that all cells come from other cells?

a)

Schleidon

b)

Hooke

c)

Leeuwenhoek

d)

Virchow

88.

The scientist who stated: All plants are made of cells.

a)

Matthias Schleiden

b)

Rudolf Virchow

c)

Robert Hooke

d)

Aristotle

89.

What did Hooke first examine?

a)

Pond water

b)

Plant cells

c)

Cork

d)

Animal fat

90.
Which of the following is a characteristic of both Eukaryotic and Prokaryotic cells?
a)
ribosomes
b)
nucleus
c)
membrane bound organelles
d)
simple
91.
Unicellular means
a)
single-celled
b)
unicycle
c)
multi-celled
d)
united cells
92.
Which type of cell?
a)
Prokaryote
b)
Eukaryote
93.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
94.
Which of the following is found inside a prokaryote?
a)
cytoplasm
b)
DNA
c)
ribosomes
d)
all of these
95.
Both prokaryotes and eukaryotes have a nucleus.
a)
True
b)
False
96.
What kind of cell is this?
a)
Eukaryotic
b)
Prokaryotic
97.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
98.
Prokaryote are?
a)
simple, mostly single-celled organism that lacks a nucleus, or any other membrane-bound organelle.
b)
have a peptidoglycan cell wall and many have polysaccharide capsules.
c)
have a true nucleus, which means the cell's DNA is surrounded by a membrane.
d)
contain membrane-bound organelles, such as the nucleus
99.
DNA
a)
synthesize proteins
b)
the genetic material of the cell
c)
an outer covering that separates the cell's interior from its surrounding environment
d)
consisting of a jelly-like cytosol within the cell in which other cellular components are found
100.
The brain or "control center" of the cell. 
a)
Mitochondria
b)
Cell Membrane
c)
Cytoplasm
d)
Nucleus
101.

Protective outermost layer of animal cells:

a)

Cell Membrane

b)

Nucleus

c)

Chromatin

d)

Microtubules

102.

What is the function of a chloroplast?

a)

makes proteins for animal cells

b)

allows materials in and out of the cell

c)

provides structure and support

d)

absorbs sunlight for photosynthesis

103.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

nucleus

104.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

cell membrane

105.

The arrow is showing the fluid inside the cell that surrounds the cell organelles and gives the cell its shape. What is the arrow pointing to in the cell?

a)

cytoplasm

b)

mitochondria

c)

ribosomes

d)

nucleus

106.

What organelle is this??

a)

cell wall

b)

chloroplast

c)

mitochondria

d)

nucleus

e)

cell membrane

107.

I make proteins for the cell. What am I?

a)

ribosome

b)

cell membrane

c)

nucleus

d)

chloroplast

108.

This organelle breaks down (digest) worn out cell parts

a)

cytoplasm

b)

lysosomes

c)

mitochondria

d)

vacuoles

109.

This organelle stores water, and is very big in plant cells

a)

nuclolus

b)

ribosomes

c)

golgi bodies

d)

vacuoles

110.

If many of the ribosomes of a cell were destroyed, what effect would this most likely have on the cell?

a)

The cell would not be able to create energy.

b)

The cell would not be able to make proteins.

c)

The cell would not e able to photosynthesize.

d)

The cell would not be able to break down waste in the cell.

111.

Which statement is true about organelles that make food for animal and plant cells?

a)

The mitochondria makes food for animal cells, and the nucleus makes food for plant cells.

b)

The mitochondria makes food for plant cells, and the nucleus makes food for animal cells.

c)

The chloroplasts make food for animal cells, but plant cells cannot make their own food.

d)

The chloroplasts make food for plant cells, but animal cells cannot make their own food.

112.

If a cell is compared to a city, then the Golgi apparatus, acts as the

a)

trash service of the cell as it removes waste from the cell

b)

post office of the cell by packaging and sorting proteins

c)

mayor of the cell as it controls all of the cell's activities

d)

electrical plant of the cell by making usable energy

113.

This organelle is the transportation network for the cell and moves materials around in the cell. What am I?

a)

mitochondria

b)

lysosomes

c)

chloroplast

d)

endoplasmic reticulum

114.
This organelle is a rigid outer layer that protects plant cells.
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Chloroplast 
115.

The _____________ is a gel-like fluid that fills plant and animal cells. It holds the organelles in place and gives each cell its shape.

a)

Cytoplasm

b)

Cell Membrane

c)

Cell Wall

d)

Chloroplast

116.

The _____________ holds the DNA, and controls the functions of eukaryotic cells.

a)

Nucleus

b)

Nuclear Membrane

c)

Mitochondria

d)

Chloroplast

117.

What is the organelle shown?

a)

Plant

b)

Ribosomes

c)

ER

d)

Chloroplast

118.

maintain stable internal environment

a)

receptor

b)

type 2 diabetes

c)

homeostasis

d)

insulin

119.

detects change and sends a message to the control center

a)

receptor

b)

control center

c)

effector

d)

regulation

120.

receives the message and coordinates a response

a)

control center

b)

effector

c)

glucagon

d)

homeostasis

121.

increases or speeds up original change

a)

negative feedback

b)

positive feedback

c)

endotherm

d)

ectotherm

122.

The two types of feedback systems that help organisms maintain homeostasis are:

a)

Receptor and effector

b)

Positive and negative

c)

Minor and Major

d)

Static and dynamic

123.

Maintaining body temperature is an example of which feedback loop?

a)

Negative Feedback loop

b)

Positive feedback loop

c)

all of the answers

d)

None

124.

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. This is an example of which feedback loop?

a)

Negative Feedback Loop

b)

Positive Feedback Loop

c)

Both

d)

None

125.

An example of a positive feedback loop is ____________.

a)

Childbirth

b)

sweating and shivering

c)

running from dinosaurs

d)

Scratching an itch

126.

Homeostasis

a)

is impossible in vertebrates

b)

Is the maintenance of a relatively stable INTERNAL environment

c)

Is the maintenance of a relatively stable EXTERNAL environment

d)

Allows for a wildly fluctuating internal environment

127.

Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop. Which feedback loop is described?

a)

Negative feedback loop

b)

Positive feedback loop

128.

What type of feedback loop is shown?

a)

Neutral

b)

Positive

c)

Negative

d)

This does not require a feedback response

129.
Movement of particles from high to low concentration. 
a)
Passive Transport
b)
Active Transport
130.
Osmosis is a form of ______________. 
a)
Passive Transport
b)
Active Transport
131.
a)
Passive Transport
b)
Active Transport
132.
Solutes move with the concentration gradient, therefore no energy is used. 
a)
Passive Transport
b)
Active Transport
133.
Movement of materials from high to low concentration through a protein channel. 
a)
Passive Transport
b)
Active Transport
134.
a)
Passive Transport
b)
Active Transport
135.
a)
Passive Transport
b)
Active Transport
136.
ATP is a form of energy.
a)
Passive Transport
b)
Active Transport
137.
Exocytosis
a)
Passive Transport
b)
Active Transport
138.
Endocytosis
a)
Passive Transport
b)
Active Transport
139.
Low to High
a)
Passive Transport
b)
Active Transport
140.
Solutes move against the concentration gradient, therefore energy is needed. 
a)
Passive Transport
b)
Active Transport
141.
What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?
a)
Diffusion
b)
Osmosis
c)
Active Transport
d)
Facilitated Diffusion
142.
Passive transport is called "passive" because it occurs WITHOUT
a)
cause.
b)
energy.
c)
a concentration gradient.
d)
a cell wall.
143.
Which of the following is NOT a type of passive transport?
a)
Osmosis
b)
Diffusion
c)
Endocytosis
144.
_____________ allows some things to enter and leave cells, while keeping other things out of the cell.
a)

Nucleus control center of the cell

b)

Selectively Permeable golgi apparatus

c)
A selectively permeable membrane
d)

Non Permeable membrane

145.

Which type of biological macromolecule is the main component of the plasma membrane?

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

146.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHOBIC?

a)

the phosphate "head"

b)

the lipid "tails"

147.

This image is an example of a phospholipid. Which part of a phospholipid is HYDROPHILIC?

a)

the phosphate "head"

b)

the lipid "tails"

148.

What does "hydrophobic" mean?

a)

water loving, associates with water

b)

water fearing, does not associate with water

c)

a world war II submarine

d)

an example would be solutes like sugar or salt

149.

What does "hydrophilic" mean?

a)

water loving, associates with water

b)

water fearing, does not associate with water

c)

a world war II submarine

d)

an example would be solutes like oil or fat

150.

Which are example is hydrophobic in nature.

a)

Oil

b)

Sugar

c)

Salt

d)

Water

151.
The function of the plasma membrane is....
a)
to regulate what enters and leaves the cell.
b)
fight bacteria and viruses that enter the cell.
c)
provide rigid support and protection to the cell.
d)
make sure each cell can move
152.

What does "polar" mean?

a)

A molecule is cold

b)

A molecule has areas of positive and negative charge

153.
A phospholipid has 2 parts. What are they called? 
a)
Hydrophilic Head, Hydrophobic Tail 
b)
Hydrophobic Head, Hydrophilic Tail 
154.
Which of the following macromolecules is NOT part of the cell membrane?
a)
Lipids
b)
Carbohydrates
c)
Proteins
d)
Nucleic Acids
155.
How many layers thick is the lipid bilayer?
a)
1
b)
2
c)
3
d)
4
156.
Hydrophobic region of the cell membrane?
a)
E
b)
B
c)
C
d)
A 
157.
Hydrophilic portion of cell membrane?
a)
A
b)
C
c)
D
d)
E 
158.
The cell membrane is made up of 
a)
Polar heads, non-polar tails
b)
Non-polar heads, polar tails
c)
Polar heads, polar tails
d)
Non-polar heads, non-polar tails
159.
___________ allow cells to recognize each other and act like ID tags. 
a)
Carbohydrates 
b)
Proteins
c)
Phospholipids 
d)
Cholesterol
160.
___________ strengthens and stabilizes the cell membrane.
a)
Carbohydrates 
b)
Proteins 
c)
Phospholipids 
d)
Cholesterol
161.
Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
There is no water
162.
A blood cell is placed into the jar, as seen. Where will the water go?
a)
Into the cell
b)
Out of the cell
c)
Equally in & out - it's isotonic
d)
The water is a lie
163.
Osmosis is the movement of _____ across a membrane.
a)
food
b)
energy
c)
oxygen
d)
water
164.
 If a cell containing 5% salt is placed into a glass of water with 20% salt, the water is _______ compared to the cell.
a)
hypertonic
b)
hypotonic
c)
isotonic
165.
 An animal cell placed in a hypertonic (salty) solution will
a)
Stay the same
b)
Shrink- get smaller
c)
Swell- get bigger
166.
HYPO means...
a)
Low
b)
High
c)
Equal
d)
Fat
167.
ISO means...
a)
Low
b)
A lot
c)
Equal
d)
Mammal
168.
The cell below is in a _________ solution.
a)
Hypotonic
b)
Hypertonic
c)
Isotonic
169.
The cell below is in a _____________ solution.
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
170.
During osmosis
a)
water moves from high to low concentration
b)
large or oddly shaped molecules move across a cell membrane
c)
water moves when energy is used
d)
proteins are built
171.
Ideally, your cells should be in a(n) _______ solution
a)
Hypertonic
b)
Hypotonic
c)
Isotonic
d)
Cola
172.
Which cell is placed into a hypotonic environment? 
a)
A
b)
B
c)
C
d)
D
173.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
174.

If the dots represent sugar which is more concentrated

a)

Inside the cell

b)

Outside the cell

c)

Neither they are equal (equilibrium)

175.

If the dots represent sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

176.

If the percentage represents sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

177.

If the miligrams are referring to the amount of sugar, what direction will water flow?

a)

Into the cell

b)

Out of the cell

c)

Into and out equally (equilibrium)

178.

Which cell would water move into?

a)
b)
c)
d)
179.

Which cell would water move out of?

a)
b)
c)
d)
180.

What type of osmosis will cause the cell to stay the same?

a)

hypertonic

b)

isotonic

c)

hypotonic

181.

Identify the Concentration Gradient

a)

High Concentration

b)

Low Concentration

1
2
1)
2)
182.

Match the following

a)

Diffusion

1.

Small molecules move from high to low concentration.

b)

Facilitated Diffusion

2.

Large or charged molecules move from high to low concentration through transmembrane proteins.

c)

Osmosis

3.

Diffusion of water

d)

Active Transport

4.

Molecules move from low to high concentration using energy.

183.

Match the following

a)

Selectively Permeable Membrane

1.

Allows some materials to pass through but keeps other materials out

b)

Concentration

2.

Amount of substance in a given space

c)

Diffusion

3.

Movement of particles from an area of concentration to an area of lower concentratioin

d)

Osmosis

4.

Diffusion of water molecules through a selectively permeable membrane

184.

Diffusion is the movement of molecules from an area of ​ (a)   concentration to an area of ​ (b)   concentration.

Choose from the below words
high
low
medium
185.

​ ​ (a)   does NOT require energy.

Choose from the below words
passive transport
active transport
endocystosis
exocytocisi
186.

Match the following.

a)

cell swells, expands; becomes bigger

1.

Hypotonic Solution

b)

cell stays the same

2.

Isotonic Solution

c)

cell shrinks, shrivel; becomes smaller

3.

Hypertonic Solution

187.

When substances move with the ​ (a)   , Materials move from ​ (b)   to ​ (c)   .

Choose from the below words
concentration gradient
higher concentration
lower concentration
188.

In ​ (a)   , materials move with the concentration gradient without assistance. In ​ (b)   , materials also move with the concentration gradient but they need the assistance of a carrier protein.

Choose from the below words
simple diffusion
facilitated diffusion
189.

Which organic molecule is correctly paired with an end product of its digestion

a)

nucleic acid- glycerol

b)

Carbohydrate- fatty acid

c)

protein - amino acid

d)

lipid- nucleotide

190.

Which compound is a polysaccharide?

a)

glucose

b)

maltase

c)

ribose

d)

starch

191.

All carbohydrates are compounds that contain the elements

a)

iron, magnesium, and carbon

b)

oxygen, hydrogen, and nitrogen

c)

carbon, oxygen, and nitrogen

d)

carbon, hydrogen, and oxygen

192.

Which organic molecule is produced when three fatty acid molecules bond to one glycerol molecule

a)

glycogen

b)

ATP

c)

PGAL

d)

a lipid

193.

DNA is a polymer consisting of repeating units known as

a)

dipeptides

b)

nucleotides

c)

amino acids

d)

organic acids

194.

Which molecule supplies the energy for cellular functions?

a)

ATP

b)

oxygen

c)

DNA

d)

water

195.

According to the chart attached, which molecule listed in the chart is a protein?

a)

1

b)

2

c)

3

d)

4

196.

Glucose is a building block of carbohydrates. Which of these best describes glucose?

a)

nucleotide

b)

protein

c)

monosaccharide

d)

lipid

197.

Amylase is an enzyme that allows the human body to digest starch. Which of these diagrams best represents the structure of amylase?

a)
b)
c)
d)
198.

The table attached provides info about the composition and function of four important molecules in living organisms. Which of the molecules is a carbohydrate?

a)

1

b)

2

c)

3

d)

4

199.

A student is preparing to run in a school track competition. For the quickest source of energy, the student should eat a food that contains a high percentage of?

a)

carbohydrates

b)

fat

c)

proteins

d)

sodium

200.

Which of the following categories of organic molecules is correctly paired with one of its functions?

a)

nucleic acids- digest dead cells

b)

lipids- give quick energy to cells

c)

carbohydrates- store genetic information

d)

proteins- provide structure in skin, hair, and nails

201.

The diagram shows a reaction that forms a polymer from two monomers. What is this type of reaction called?

a)

glycolysis

b)

hydrolysis

c)

photosynthesis

d)

dehydration synthesis

202.
This molecule is a 
a)
protein
b)
carbohydrate
c)
lipid
d)
nucleic acid
203.
These molecules represent which organic molecule?
a)
proteins
b)
lipids
c)
nucleic acids
d)
carbohydrates
204.
This molecule is a 
a)
protein
b)
carbohydrate
c)
lipid
d)
nucleic acid
205.

What two biomolecules are shown in the picture

a)

Molecule X and Molecule Y are both carbohydrates

b)

Molecule X is a nucleic acid, and Molecule Y is a carbohydrate

c)

Molecule X and Molecule Y are both nucleotides

d)

Molecule X is a carbohydrate, and Molecule Y is a nucleic acid

206.

Which of the following biomolecules typically contain both nitrogen and phosphate?

a)

Carbohydrates

b)

Lipidss

c)

Nucleic Acids

d)

Proteins

207.
Made of monomers of amino acids
a)
Carbohydrates 
b)
Lipids
c)
Proteins 
d)
Nucleic Acids
208.
Made of monomers of monosaccharides
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
209.
Made of monomers of nucleotides
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
210.
Include sugars (ex. glucose) and starches
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
211.
Include waxes, oils, steroids (hormones)
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
212.
Includes DNA and RNA
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
213.

Identify the macromolecule associated with this image.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

214.

Identify the macromolecule associated with this image.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

215.

Identify the macromolecule associated with this image.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

216.

Identify the macromolecule associated with this image.

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

217.

Which organic molecule contains nitrogen and sulfur?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

218.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
219.
Another word for a building block is a __________________.
a)
polymer
b)
monomer
c)
dimer
220.

This is two simple sugars put together to make a complex sugar,

a)

Disaccharide

b)

Bisaccharide

c)

dos saccharide

d)

two saccaride

221.
This biomolecule would be used for
a)
Building enzymes
b)
Storing energy
c)
Key source of energy
d)
Storing genetic information
222.
Which of the following is NOT a biomolecule?
a)
Water
b)
Nucleic Acid
c)
Protein
d)
Lipid
223.
What are the four biomolecules
a)
Carbohydrates, lipids, proteins, and nucleic acids.
b)
Carbohydrates, amino acids, proteins, and lipids.
c)
Glucose, amino acids, proteins, and lipids.
d)
Nucleic acids, amino acids, carbohydrates, and proteins.
224.

Match the following

a)

Lipid

1.

long term energy

b)

Carbohydrate

2.

quick energy

c)

Protein

3.

building blocks of the body

d)

Nucleic Acid

4.

genetic information

225.

Match the following

a)

Lipids

1.

Long term energy storage, and allow for transport of certain molecules in and out of the cell

b)

Proteins

2.

provide structure, includes enzymes that catalyze reactions inside the cell

c)

Nucleic acids

3.

Store genetic information for the cell

d)

Carbohydrates

4.

Provides energy for cellular processes, provides structure for cell walls

226.

Match the following

a)

Fast, short term energy

1.

Carbohydrate

b)

Instructional Code of Life

2.

Nucleic Acid

c)

Builds muscle, bone, and makes up hormones and enzymes

3.

Proteins

d)

Long term energy, cell membranes, and insulation

4.

Lipids

227.

CHO, CHO, CHON and CHONP represents the macromolecules in this specific order: ​ (a)   , ​ (b)   , ​ (c)   and ​ (d)   .

Choose from the below words

Carbohydrates

Lipids

Proteins

Nucleic Acids

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