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New Path Learning Quiz (Biology 1st Nine Weeks)

Total questions: 130

Worksheet time: 4hrs 30mins

Name
Class
Date
1.
A possible explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
2.
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
3.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
4.
The summary at the end of an experiment that explains the results. 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
5.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the controlled variables?
a)
Type of plant, amount of music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
6.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
7.
Which of these contains steps in the right order?
a)
Ask a question, state your hypothesis, research, experiment, analyze, make a conclusion
b)
State your hypothesis, ask a question, research, experiment, analyze, make a conclusion
c)
Ask a question, research, state your hypothesis, experiment, analyze, make a conclusion
d)
State your hypothesis, ask a question, research, make a conclusion, experiment, analyze
8.
According to the diagram, which question is being tested?
a)
Do plants grow taller when watered with salt water?
b)
How much fertilizer do plants need?
c)
Does fertilizer make plants grow taller?
d)
What is the best fertilizer to use?
9.
Butter bean seeds were placed in dishes lined with moist paper towel for 5 days at different temperatures & germination was measured.  Which of the following is the independent variable?
a)
Number of seeds
b)
Time
c)
Temperature
d)
Type of seed
10.
Sabrina wants to test which brand of popcorn pops the most kernels.  She picked a Giant Eagle brand, Orville Redenbacher, and PopSecret.  All three bags started with the same number of kernels.  She popped each for 3 minutes in the same microwave, and then counted the number of kernels left over.  What is her independent variable?
a)
Number of kernels left over
b)
Brand of popcorn
c)
Number of kernels before popping
d)
Length of time cooking
11.
Kira wants to test which type of soda creates the biggest foam explosion when adding a Mentos candy.  She chose Sprite, Coke, and Mountain Dew.  One at a time, she added a single Mentos candy and measured the height of the foam eruption.  Mountain Dew created a foam eruption of 7 inches.  Coke and Sprite tied at 5 inches.  What is her dependent variable?
a)
Brand of soda
b)
Number of mentos candies used
c)
Height of foam eruption
d)
Temperature of soda
12.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, what are the experimental constants?
a)
Type of plant, amount of music, and sunlight
b)
Water, apple juice, milk
c)
Plant growth
13.

Which of the following outlines the steps of the scientific investigation process, in order?

a)

Ask a question, collect information, form hypothesis, test hypothesis, record and analyze data, draw conclusion.

b)

Ask a question, form hypothesis, collect information, record and analyze data, test hypothesis, draw conclusion.

c)

Form hypothesis, ask a question, record and analyze data, collect information, test hypothesis, draw conclusion.

d)

Record and analyze data, collect information, ask a question, draw conclusion, form hypothesis, test hypothesis.

14.

You were investigating whether or not plants need light to grow. Plant A and Plant B were grown next to a window with plenty of light. Plant C and Plant D were grown in a dark cabinet. What is the DEPENDENT variable in this experiment?

a)

Light availability

b)

Amount of water

c)

Type of fertilizer

d)

Growth of plants

15.

The chart below summarizes the effect of commercial fishing on a local Atlantic cod population over an 9-year period.


a)

the number of fishing boats has less effect on the local cod population than pollution

b)

more fishing boats make the cod population estimates more accurate

c)

an increase in fishing boats has had a positive impact on cod population growth

d)

commercial fishing is having a negative effect on the local cod population

16.
A testable answer to a scientific question
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
17.

Carmen conducted an experiment to determine if listening to different types of music would affect a person’s pulse. Her hypothesis was that pulse rate would change with different types of music. Each person listened to seven different selections of music for 30 seconds each. Each person’s pulse was taken before the music and then after each 30-second interval of music. The pulses were taken again after the music selections were completed. Based on her experiment, Carmen concluded that a person’s pulse rate changed when the person listened to different types of music.


Which component is missing from Carmen’s experiment?

a)

a question

b)

a hypothesis

c)

a control group

d)

a description of the experiment

18.

A scientist performs an experiment to see if acids have an effect on the health of a particular type of plant. Three sets of plants were treated with acidic solutions of known pH while the control set was treated with a solution of neutral pH 7.


Which is the best conclusion for this experiment?

a)

Acid has no effect on the health of this type of plant.

b)

High acidity is helpful to this type of plant.

c)

Low acidity is harmful to this type of plant.

d)

High acidity is harmful to this type of plant.

19.

What is the main difference between a Theory and a Law?

a)

Theories are at a lower level of explanation than Laws, therefore theories can eventually become Laws.

b)

Laws are at a lower level of explanation than Laws, therefore theories can eventually become Theories.

c)

Theories provide explanations as to WHY something happens in nature, Laws provide a description regarding WHAT is happening.

d)

Laws provide explanations as to WHY something happens in nature, Theories provide a description regarding WHAT is happening.

20.

Students placed five pill bugs on the dry side of a choice chamber and five pill bugs on the wet side. They collected data as to the number on each side every 30 seconds for 10 minutes. After 6 minutes, eight or nine pill bugs were continually on the wet side of the chamber, and several were under the filter paper. Which of the following is NOT a reasonable conclusion from these results?

a)

It takes the pill bugs several minutes to explore their surroundings and select a preferred habitat.

b)

Pill bugs prefer a moist environment.

c)

Pill bugs prefer a dark environment.

d)

Pill bugs demonstrate no significant habitat preference.

21.

A research group has discovered that damselflies, a type of dragonfly, are being infected by a particular type of aquatic protozoan. Both young and adult damselflies are not directly infected by the protozoan but contract the infection from the prey they eat. The graph shows the percentage of adult damselflies infected by protozoans during the summer and early fall.


Which of the following conclusions is supported by the graph?

a)

Infection in embanked ponds increased during the sampling period.

b)

Protozoans were more common in creek-fed ponds than embanked ponds.

c)

Protozoans reproduce more quickly in embanked ponds than creek-fed ponds.

d)

Infection in creed-fed ponds remained constant throughout the sampling period.

22.
What word describes when water is attracted to other substances?
a)
cohesion
b)
adhesion
c)
capillary action
d)
surface tension
23.

When water and other liquids stick together to form drops or thin films called ________________.

a)

adhesion

b)

capillary action

c)

cohesion

d)

surface tension

24.
molecule in which opposite ends have opposite electric charges
a)
cohesion
b)
polar molecule
c)
hydrogen bond
d)
solution
25.
Why does ice float?
a)
As water freezes, it expands and its density decreases.
b)
As water freezes, it takes up more hydrogen from the atmosphere, causing it to have a greater buoyancy.
c)
As water freezes, air becomes trapped between the hydrogen bonds of water molecules.
d)
As water freezes, it takes up more oxygen from the atmosphere, causing it to have a greater buoyancy.
26.
The fact that ice floats on liquid water is due to the fact that water's solid is ___________ than it's liquid form
a)
less polar
b)
more polar
c)
less dense
d)
more dense
27.
Water striders can walk across the surface of calm water. Their feet push the surface of the water down slightly, but they do not break the surface. Why?
a)
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water’s surface and they only skim it with their feet.
c)
The insect’s feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water’s surface.
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
28.
A general definition of cohesion is the attraction of:
a)
particles of the same substance
b)
particles of a different substance
c)
particles of both the same and different substances
d)
particles of neither the same or different substances
29.
Which term refers to water having partial positive and a partial negative charge?
a)
cohesion
b)
surface tension
c)
polarity
d)
adhesion
30.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
31.

Capillary Action

a)

The property of water that allows ice to float on the surface of liquid water

b)

The property of water that allows it to dissolve polar substances

c)

When water molecules stick to other surfaces

d)

The property of water that allows water to move up a thin tube (or the stem of a plant) by itself

32.

What property of water allows water to flow against gravity?

a)

Polarity

b)

Cohesion

c)

Capillary Action

d)

Adhesion

33.
Large bodies of water do not quickly fluctuate in temperature. Why?
a)
Water is a solvent.
b)
Water has a high heat capacity.
c)
Water acts as a buffer.
d)
Water is non-polar.
34.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
35.
Which statement explains why water molecules stick together?
a)
both sides are negative
b)
one side has a positive charge and the other side has a negative charge
c)
one side has a negative charge adn the other side has a neutral charge
d)
both sides are positive
36.
Large bodies of water help to keep nearby climates from being too hot or too cold  because they...
a)
absorb heat in the spring and slowly release that heat in the fall
b)
absorb heat in the fall and slowly release that heat in the spring
c)
absorb heat in the summer and slowly release that heat in the winter
d)
absorb heat in the winter and slowly release that heat in the summer
37.
Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?
a)
Water expands as it freezes.
b)
Water is an excellent solvent.
c)
Water exhibits cohesive behavior.
d)
Water is able to moderate temperature.
38.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
a)
Water is an acid.
b)
Water is a versatile solvent.
c)
Water has a high heat capacity.
d)
 Water acts as a buffer.
39.
Why does ice stay at the top of oceans instead of sinking to the bottom?
a)
 Ice is colder than liquid water.
b)
Ice is less dense than liquid water.
c)
Ice is more dense than liquid water.
d)
Ice is warmer than liquid water.
40.
 Small insects can walk across the surface of calm water. Their feet push the surface of the water down slightly, somewhat like a person walking across a trampoline, but they do not break the surface. What is the best explanation for why this happens?
a)
The insects are light enough so that they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water's surface and they only skim it with their feet
c)
The insects' feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water's surface
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
41.
Water makes up approximately 60% of the human body and plays a vital role in regulating body temperature. Which property of water makes it good at regulating temperature?
a)
Water is a good solvent.
b)
Water exhibits strong cohesion.
c)
. Water has an unusual crystalline structure.
d)
Water has a high capacity for heat.
42.
Water has a much higher specific heat than most other covalent compounds. What do you predict might happen if water had a low specific heat instead?
a)
Flooding would occur and animals would be forced to migrate
b)
 Harmful organisms living in water would reproduce at a rapid rate
c)
Organisms that are sensitive to changes in temperature would die
d)
Plants would not have enough water to effectively carry out photosynthesis
43.
 Many fish and aquatic plants can survive a cold winter because the layer of ice that forms at the top of the lake insulates the water below and prevents the lake from freezing solid. What unique property of water contributes to this effect? 
a)
Water absorbs heat when it evaporates and forms a gas 
b)
 Water expands and becomes less dense when it freezes.
c)
Water molecules completely separate into ions in solutions.
d)
 Water forms hydrogen bonds with ions and other polar substances. 
44.

Statement: When an ionic compound such as sodium chloride (table salt) is placed in water, as shown in the figure above, water molecules surround and separate the positive and negative charge.

Question: What happens to the Sodium ions and Chloride ions in the solution?

a)

Both Sodium and Chloride ions dissolve in water

b)

Both Sodium and Chloride ions are destroyed

c)

Both Sodium and Chloride ions hide temporarily Option 3 (optional)

d)

The Sodium ions are destroyed, the Chloride ions hide temporarily

45.
In the figure above, water is the ________________________ while Sodium Chloride (Table Salt) is the __________________________.
a)
solvent, solute
b)
solute, solvent  
c)
solute, solute  
d)
element, molecule  
46.
Question: Using the figure above, order these items in order of increasing acidity:Coffee, Seawater, Ammonia, Lemon Juice, Blood
a)
Lemon Juice, Seawater, Ammonia, Blood, Coffee
b)
Ammonia, Seawater, Blood, Coffee, Lemon Juice
c)
Blood, Coffee, Lemon Juice, Ammonia, Seawater
d)
Lemon Juice, Coffee, Blood, Seawater, Ammonia
47.
Question:  What does it mean when a molecule is said to be “polar”?
a)
The molecule has tendency to absorb a lot of heat, therefore it remains 'cold' easily
b)
The molecule has an even distribution of charges, all parts are positive
c)
The molecule has an even distribution of charges, all parts are negative
d)
The molecule has an uneven distribution of charges, some parts are positive while others are negative
48.
Statement: Water may be one of the most familiar substances on the planet, but it certainly isn’t ordinary. In fact, water’s unique chemical properties make it so complicated that even after decades of research, scientists still have much to learn about this remarkable and versatile substance.That’s water, as in the clear, sparkling fluid that covers three quarters of the Earth’s surface—not to mention the basis of life as we know it, and possessor of the world’s most recognizable chemical formula (H2O). Water is everywhere. And yet, scientists are still learning about its properties.Water simply doesn’t behave like other liquids.Question: Which of the following is not a special property of water?
a)
Water has the ability to moderate temperature
b)
Water is polar, therefore it is very adhesive
c)
Water contracts when it freezes
d)
Water is polar, therefore it is very cohesive
49.
Water is essential for life.Water typically has a pH of 7 and therefore is considered neutral.
a)
hydrogen and hydronium ions.
b)
hydroxide and hydronium ions.
c)
hydrogen and hydroxide ions.
d)
oxygen and hydrogen ions.
50.
According to the figure above, a solution with a pH of 11 is
a)
acidic
b)
alkaline
c)
neutral
d)
a buffer
51.
According to the figure above, polar molecules such as water have
a)
no negative or positive poles.
b)
both negative and positive poles.
c)
only a negative pole.
d)
only a positive pole.
52.
Reading Passage: The molecules on the surface of the water are not surrounded by similar molecules on all sides, so they're being pulled only by cohesion from other molecules deep inside. These molecules cohere to each other strongly but adhere to the other medium weakly. One example of this is the way that water beads up on waxy surfaces, such as leaves or waxed cars. Yet, it is hard to break through the surface of liquid water.Question: The reason that small insects such as water striders can walk on liquid water is due to water's
a)
Low Specific Heat
b)
High Specific Heat
c)
High Surface Tension
d)
Low Surface Tension
53.
Reading Passage: Polar ice caps are dome-shaped sheets of ice found near the North and South Poles. They form because high-latitude polar regions receive less heat from the sun than other areas on Earth. As a result, average temperatures at the poles can be very cold. The polar ice caps contain the majority of Earth’s supply of freshwater. In fact, scientists estimate that 70 percent of Earth’s freshwater supply remains in an ice sheet at the South Pole.Question: Why does ice stay at the top of oceans instead of sinking to the bottom?
a)
Ice is colder than liquid water.
b)
Solid ice is less dense than liquid water.
c)
Solid ice is more dense than liquid water.
d)
Ice is warmer than liquid water.
54.

Refer to the illustration above. Molecules like molecule 2 are found in...

a)

Carbohydrates

b)

Lipids

c)

Nucleic Acids

d)

Proteins

55.

The diagram below shows the general structure of an amino acid. Which type of molecule is formed from amino acids?

a)

Lipids

b)

Proteins

c)

Carbohydrates

d)

Nucleic Acids

56.

From the observation that oil and water do not mix, we can reasonable conclude that Lipids are

a)

Polar Molecules

b)

Similar to Water Molecules

c)

Protein Molecules

d)

Nonpolar Molecules

57.

You are given four test tubes containing purified biological macromolecules. The test tubes are unlabeled except for a number between 1 and 4. You are told that one test tube contains a protein, one contains a lipid, one contains a carbohydrate, and one contains a nucleic acid. You then perform some tests on the macromolecules and collect the following information:

1) Test tubes #2 and #4 contain nitrogen, but the other tubes do not.

2) The contents of test tube #3 are not soluble in water, but the contents of the other test tubes are soluble in water.

3) The contents of test tube #1 can be broken down into subunits of glucose that are all exactly identical to each other.

4) The macromolecule in test tube #2 is found to have amino acids.


What is one conclusion you can draw based on your results?

a)

Test Tube #3 is a Carbohydrate

b)

Test Tube #3 is a Lipid

c)

Test Tube #3 is a Protein

d)

Test Tube #3 is a Nucleic Acid

58.

You are analyzing a compound in the laboratory. You find that it is made up of carbon, hydrogen, oxygen and phosphorus.


This compound is most likely a(n) ________________________.

a)

Carbohydrate

b)

Lipid

c)

Protein

d)

Nucleic Acid

59.

What properties of carbon explain carbon’s ability to form different large and complex structures?

a)

Carbon is a very large element that can make big molecules

b)

Carbon is a very versatile element that can bond with many other elements

c)

Carbon is the only element in the periodic table of the elements

d)

Carbon is very firm and can only bond with a few elements

60.

What properties of carbon explain carbon’s ability to form different large and complex structures?

a)

Carbon is a very large element that can make big molecules

b)

Carbon is a very versatile element that can bond with many other elements

c)

Carbon is the only element in the periodic table of the elements

d)

Carbon is very firm and can only bond with a few elements

61.
Reading Passage:   Chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances, the products. Substances are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products.
Chemical reactions are an integral part of technology, of culture, and indeed of life itself. Burning fuels, making glass, pottery, and making cheese are among many examples of activities incorporating chemical reactions that have been known and used for thousands of years.Question: In chemical reactions, atoms are
a)
rearranged.
b)
created.
c)
neutralized.
d)
destroyed.
62.
Question: The energy needed to get a reaction started is the
a)
chemical energy.
b)
activation energy.
c)
adhesion energy.
d)
cohesion energy.
63.
Question: When hydrogen and oxygen combine to form water, water is
a)
an enzyme.
b)
a catalyst.
c)
a reactant.
d)
a product.
64.
Question: Consider the energy diagram for a chemical reaction in the Figure. Overall, is energy released or absorbed?
a)
absorbed, because the energy level increases during the reaction
b)
absorbed, because the energy level of the products is greater than that of the reactants
c)
released, because the reaction is initiated by the addition of heat
d)
released because the energy level of the reactants is greater than that of the products
65.
Question: Which is the best description of activation energy?
a)
Energy barrier needed to be overcome to initiate a reaction.
b)
Energy released as the reaction proceeds
c)
Energy stored within the reactant molecules.
d)
Energy stored within the product molecules.
66.
The following graphs shows some examples of enzyme and their corresponding function in the human body.
Question: Without enzymes, the chemical reactions in the body would
a)
happen too fast.
b)
occur at much the same rate as they do with enzymes.
c)
require a different pH.
d)
occur too slowly to support life processes.
67.
The region where the substrate binds into a specific enzyme is referred to as the active site.
a)
True
b)
False
68.
Reading Passage: As food travels through the digestive system, it is exposed to a variety of pH levels. The stomach has a pH of 2 due to the presence of hydrochloride acid (HCl), and the small intestine has a pH ranging from 7 to 9. HCl converts pepsinogen into pepsin, an enzyme that digests proteins in the stomach.Question: Which of the following most likely happens to pepsin as it enters the small intestine?
a)
It becomes inactive (denatured)
b)
It begins to replicate.
c)
It's shape changes to engulf large proteins.
d)
It's activity increases to digest more proteins.
69.
Reading Passage: In living cells, enzymes act as catalysts, which may reduce the amount of activation energy required for a chemical reaction to occur.  In the graphs below, pathway x is a solid line representing the uncatalyzed reaction. The dotted line shows the catalyzed reaction. Question: Which graph best illustrates the changes in a reaction when the catalyst reduces the amount of energy required?
a)
A
b)
B
c)
C
d)
D
70.
Statement: The human body maintains a temperature of around 98.6 degrees at all times. Enzymes are involved in almost every chemical reaction in the body.Question: Which of the following describes the connection between these two statements?
a)
Enzymes function best at a specific temperature.
b)
The body needs to be warm to prevent hypothermia.
c)
The body is kept relatively warm to prevent too much enzyme action.
d)
There is no connection between the two statements.
71.
Enzymes are proteins with a very specific range of functionality. When Harry added an enzyme to a solution with a very acidic pH of 5, she observed that a chemical reaction occurred at a very high rate.Which will she most likely observe if she adds the same enzyme to a solution with a different pH of 12, beyond its optimal pH?
a)
He will observe that a chemical reaction did not occur.
b)
He will observe that a different chemical reaction occurred.
c)
He will observe that the same chemical reaction occurred at the same rate.
d)
He will observe that the same chemical reaction occurred three times faster.
72.
The following figure demonstrates an analogy that uses a lock and key to help understand enzyme function.
Question: According to the analogy, enzymes are most like
a)
Keys
b)
Key holes
c)
Locks
d)
Door bolts
73.
Question: According to the graph, what is the ideal pH for Trypsin (an intestinal enzyme) in the human body?
a)
37 degrees
b)
8
c)
2
d)
between 40 - 90 degrees
74.

Which monomer is the basic building block of a protein?

a)

Monosaccharide

b)

Amino acid

c)

Nucleotide

d)

Fatty acid

75.

Which monomer is the basic building block of a lipid?

a)

Amino acid

b)

Monosaccharide

c)

Nucleotide

d)

Fatty acid

76.

What type of macromolecule is represented in the image?

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic acid

77.

What type of macromolecule is represented in the image?

a)

Lipid

b)

Carbohydrate

c)

Protein

d)

Nucleic acid

78.

What type of macromolecule is represented in the image?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic acid

79.

Proteins are made of monomers called ___________

a)

Nucleotides

b)

Monosaccharides

c)

Amino acids

d)

Fatty acids

80.

DNA and RNA are examples of which type of macromolecule?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic Acids

81.

Which macromolecule is depicted in the figure?

a)

Lipid

b)

Protein

c)

Nucleic acid

d)

Carbohydrate

82.

Which macromolecule is depicted in the figure?

a)

Lipid

b)

Protein

c)

Nucleic acid

d)

Carbohydrate

83.

What type of macromolecule are enzymes?

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

Nucleic Acid

84.

Which type of macromolecule is the main source of energy for living things?

a)

Carbohydrates

b)

Lipids

c)

Nucleic acids

d)

Proteins

85.

Based on the figure above, what can be inferred about the effects of enzymes on chemical reactions?

a)

Enzymes increase the amount of activation energy necessary to perform a chemical reaction

b)

Enzymes decrease the amount of activation energy necessary to perform a chemical reaction

c)

Enzymes are required for chemical reactions to occur

d)

Enzymes are used up during chemical reactions

86.

Which of the following factors is LEAST likely to affect the activity of an enzyme

a)

pH level

b)

Ambient temperature

c)

Type of substrate it binds to

d)

All three equally affect the activity of an enzyme

87.
How do scientific theories compare to hypotheses?
a)
Theories are the same as hypotheses.
b)
Theories unify a broad range of observations and hypotheses.
c)
Hypotheses combine the ideas of several theories to explain events.
d)
Hypotheses are the dominant view among scientists.
88.
Which statement would not be included in a summary of the cell theory?
a)
The cell is the basic unit of organization.
b)
All cells contain a nucleus that controls cell division.
c)
All organisms are made up of at least one cell.
d)
All cells come from other, preexisting cells.
89.
Which statement is a fundamental principle of the cell theory?
a)
All cells have a plasma membrane.
b)
Eukaryotic cells are larger than prokaryotic cells.
c)
Living organisms are composed of cells.
d)
The genetic material in cells is DNA.
90.
A scientist performs a series of experiments to confirm an idea regarding cellular metabolism. The results of the experiments support the scientist?s initial idea, and after conferring with colleagues, the scientist discovers that evidence from many experiments has supported the same idea. This idea could now be considered a(n)__________ .
a)
theory
b)
hypothesis
c)
observation
d)
control
91.
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
a)
All living things are made of cells.
b)
All cells come from other preexisting cells.
c)
Cells form through spontaneous generation.
d)
Cells are the basic structural and functional units of life.
92.
There are some similarities between prokaryotic and eukaryotic cells. Which of the following structures is found in both prokaryotic and eukaryotic cells?
a)
lysosome
b)
mitochondrion
c)
nucleus
d)
ribosome
93.
Which type(s) of cells have genetic material that is contained in a nucleus?
a)
bacteria
b)
only animal cells
c)
protists
d)
both plant and animal cells
94.
Which characteristic do most plants have in common?
a)
they are unicellular
b)
they are prokaryotic
c)
they produce seeds
d)
they are autotrophic
95.
Which cell structure is correctly paired with its primary function?
a)
ribosome - protein synthesis
b)
mitochondrion - movement
c)
vacuole - cell division
d)
nucleus - storage of nutrients
96.
The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called
a)
perforated
b)
semi-permeable
c)
non-conductive
d)
permeable
97.

According to the diagram and/or notes, which of the following enclose their DNA in a nucleus?

a)

Prokaryotes

b)

Bacteria

c)

Eukaryotes

d)

Viruses

98.

What is the name of the organelle (labeled 9) that converts the chemical energy stored in food into compounds into energy that the cell can use?

a)

Chloroplast

b)

Golgi Apparatus

c)

Endoplasmic Reticulum

d)

Mitochondrion (Powerhouse of the Cell)

99.

Which drawing in Figure, I or II, contains structures that carry out photosynthesis? What is this structure labeled in the diagram?

a)

Drawing II—a plant cell—contains the structure described (a chloroplast). The structure is labeled N.

b)

Drawing I—a plant cell—contains the structure described (a chloroplast). The structure is labeled N.

c)

Drawing II—an animal cell—contains the structure described (a chloroplast). The structure is labeled B.

d)

Drawing I—a animal cell—contains the structure described (a chloroplast). The structure is labeled B.

100.

Look at the Figure above. Which structure in drawing I corresponds to structure L in drawing II? What is the name of this structure?

a)

Structure N. They both represent the cell membrane.

b)

Structure M. They both represent the cell wall.

c)

Structure I. They both represent the cell membrane.

d)

Structure O. They both represent the cell wall.

101.

Structure O. They both represent the cell wall.

a)

Structures D, E, and A. Structure D is the cell wall, structure E is a chloroplast, and structure A is a vacuole.

b)

Structures J, N, and O. Structure J is the cell membrane, structure N is a mitochondria, and structure O is a ribosome.

c)

Structures D, E, and A. Structure D is the cell membrane, structure E is a mitochondria, and structure A is a ribosome.

d)

Structures J, N, and O. Structure J is the cell wall, structure N is a chloroplast, and structure O is a vacuole.

102.

What statement is TRUE about the figues above?

a)

Both drawings represent eukaryotes, as shown by the presence of a nucleus.

b)

Both drawings represent prokaryotes, as shown by the presence of a nucleus.

c)

Both drawings represent eukaryotes, as shown by the lack of a nucleus.

d)

Both drawings represent prokaryotes, as shown by the lack of a nucleus.

103.

What is the function of the cell membrane?

a)

Produces ATP

b)

Produces proteins and lipids

c)

Keep the organelles in place

d)

Control what enters and leaves the cell

104.
The diagram represents a cell of a green plant.
Solar energy is used to produce energy-rich compounds in which structure?
a)
A
b)
B
c)
C
d)
D
105.
Question: Which means of particle transport is shown in the figure above?
a)
active transport
b)
facilitated diffusion
c)
diffusion
d)
osmosis
106.
During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will reach dynamic equilibrium and ...
a)
stop moving across the membrane.
b)
move across the membrane to the outside of the cell.
c)
move across the membrane to the inside of the cell.
d)
continue to move across the membrane in both directions.
107.
Question: Refer to the illustration above. Which cell is most likely to lose both water molecules and solute molecules as the system approaches equilibrium?
a)
Cell 1
b)
Cell 2
c)
Cell 3
d)
Cell 4
108.
Question: Refer to the illustration above. In this system, solute molecules in cell 2 are most likely to
a)
remain in cell 2.
b)
adhere to cell 2’s membrane.
c)
diffuse into cell 1.
d)
diffuse into cell 4.
109.
Question: Refer to the illustration above. In which direction are water molecules in this system most likely to diffuse?
a)
from 1 to 2
b)
from 2 to 4
c)
from 4 to 3
d)
from 3 to 1
110.
Question: The dispersal of ink in a beaker of water is an example of
a)
diffusion.
b)
osmosis.
c)
active transport.
d)
endocytosis.
111.
Diffusion takes place
a)
only through a lipid bilayer membrane.
b)
from an area of low concentration to an area of high concentration.
c)
only in liquids.
d)
from an area of high concentration to an area of low concentration.
112.
Question: Ridding the cell of material by discharging it from sacs at the cell surface is called
a)
pinocytosis.
b)
phagocytosisphagocytosis
c)
exocytosis.
d)
endocytosis.
113.
Question: Molecules that are too large to be moved through the membrane can be transported into the cell by
a)
osmosis.
b)
endocytosis.
c)
lipid carriers.
d)
diffusion.
114.
A plant cell is placed in a hypotonic solution. What will happen to the plant cell?
a)
It will swell but not burst
b)
It will shrink.
c)
it will swell and burst
d)
It will wilt and plasmolyze
115.
Question: Algal cells are placed in an isotonic solution. Additional amounts of solutes are slowly added to the solution. What happens to the cells?
a)
They will begin to swell.
b)
They will burst.
c)
They will stay the same.
d)
They will shrink.
116.
Reading Passage: An osmosis investigation was conducted using 20 chicken eggs to represent cells with semipermeable membranes.
The eggs were first soaked in vinegar to dissolve the shell. The eggs were then transferred to corn syrup for 24 hours and then to distilled water for 24 hours. The mass of each egg was measured before and after each soaking to determine how much water diffused into or out of the eggs. The table below shows the average mass of the eggs at each step of the investigation:

Question: Based on this experiment, which of the following should be inferred about cells with semipermeable membranes?
a)
Question: Based on this experiment, which of the following should be inferred about cells with semipermeable Substances other than water may also cross the cell membrane.
b)
Substances other than water may also cross the cell membrane.
c)
Water enters the cell when placed in environments of high water concentration.
d)
Water leaves the cell when placed in environments with a low concentration of solutes.
117.
Which solution is isotonic to the interior of the cell?
a)
10% salt
b)
2% salt
c)
30% salt
d)
None of these
118.
Which solution is hypertonic to the interior of the cell?
a)
10% salt
b)
2% salt
c)
30% salt
d)
none of these
119.
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?
a)
passive transport by diffusion
b)
active transport using ATP 
c)
passive transport by osmosis
d)
 osmosis
120.
A person with swollen gums rinses his mouth with warm salt water, and the swelling decreases. Which of the following has occurred?
a)
The swollen gums have absorbed the saltwater solution.
b)
The saltwater solution lowers the temperature of the water in the gums.
c)
The salt in the solution has moved against the concentration gradient.
d)
The water in the gums has moved out due to the high concentration of salt in the solution. 
121.
The cell membrane of the red blood cell will allow water, oxygen, and carbon dioxide to pass through. Because other substances are blocked from entering, this membrane is called
a)
perforated
b)
semi-permeable
c)
non-conducive
d)
permeable
122.
 Look at the diagram of a cross-section of a cell membrane below. The cell membrane controls movement of materials into and out of the cell. The following particles are moving from high concentration to low concentration and are using a carrier protein. How would you describe this type of movement across the membrane? 
a)
simple osmosis
b)
active transport
c)
simple diffusion
d)
facilitated diffusion
123.
Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?
a)
active transport
b)
passive transport
c)
facilitated diffusion
d)
co-transport
124.
Look at the cross section of a cell membrane of a eukaryotic cell. H+ ions are being pumped from a low concentration to a high concentration. How do you describe this type of transport across the cell membrane?
a)
active transport
b)
passive transport
c)
facilitated diffusion
d)
co-transport
125.
 In pure water, a red blood cell from an animal will swell and burst, but a leaf cell from a plant will not. Which structure in the leaf cell is responsible for this difference?
a)
cell membrane
b)
cell wall
c)
 mitochondrion
d)
nucleus
126.
During diffusion molecules tend to move 
a)
   up the concentration gradient
b)
 from an area of lower concentration to an area of higher concentration
c)
 in a direction that doesn’t depend on concentration
d)
 down the concentration gradient
127.
if you put a plant in salt water it will ...
a)
swell because water diffuses into the cells
b)
swell because water diffuses out of the cell
c)
shrivel because water diffuses out of the cell
128.

What type of transport is shown in the diagram?

a)

Ion pump

b)

Facilitated diffusion

c)

Endocytosis

d)

Exocytosis

129.
Which structures are found in plant cells, but not in animal cells?
a)
Cell membranes and mitochondria
b)
Vacuoles and cholorplasts
c)
Cell walls and cytoplasm
d)
Chloroplasts and cell walls
130.
What type of transport is occurring in Part C of the diagram shown?
a)
Active Transport
b)
Osmosis
c)
Facilitated Diffusion
d)
Diffusion

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