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Biology Fall Semester Exam Practice

Total questions: 130

Worksheet time: 2hrs 56mins

Name
Class
Date
1.

How are a theory and a hypothesis different?

a)

a hypothesis has been tested and accepted by the scientific community, based on evidence, and could potentially change in the future

b)

there is no difference... they can be used interchangeably

c)

a theory has been tested and accepted by the scientific community, based on evidence, and could potentially change in the future

d)

a hypothesis is testable and a theory is not

2.

A student wants to test the effect of different types of fertilizers on apple tree growth. What should the control group be in this experiment?

a)

apple trees that receive fertilizer

b)

apple trees that do not receive any fertilizer

c)

the type of soil used for each group

d)

the amount of sunlight each tree is exposed to

3.

A strong hypothesis should contain all of the following except

a)

An "if statement" explaining what will be done in the experiment

b)

A "then statement" explaining what the scientist thinks will occur

c)

A "because statement" explaining why the scientist thinks this will occur based on research and data

d)

all of these should be included in a strong hypothesis

4.

Which of the following is an example of qualitative data?

a)

there are six kittens

b)

one kitten has a tail that measures 13 cm in length

c)

all of the kittens are either black or black and white

d)

one kitten has only three limbs

5.

A new blood pressure medication is being tested on volunteers in a scientific study. What would the independent and dependent variables be in this study?

a)

IV: patient's blood pressure

DV: blood pressure medication

b)

IV: number of participants in the study

DV: blood pressure medication

c)

IV: the hospital that the study is conducted in

DV: patient's blood pressure

d)

IV: blood pressure medication

DV: patient's blood pressure

6.

A study in conducted to examine if adding coconut oil to a dog's normal food can help reduce arthritis symptoms. What would the control group be in this study?

a)

the dogs receiving the food without coconut oil

b)

the dogs receiving the food with the coconut oil

c)

the type of coconut oil used

d)

the brand of dog food used

7.

A student conducts an experiment to examine what impact changing hours slept, vitamins consumed, and hours spent exercising has on his test scores in biology. What is wrong with this experiment?

a)

nothing

b)

too many independent variables, should only test one at a time

c)

the dependent variable is not able to be calculated

d)

vitamins are considered a "performance enhancing drug" and are banned by schools. Therefore, the experiment is unethical

8.

All of the chemical reactions in an organism (such as building and breaking down molecules) is classified as

a)

equilibrium

b)

dehydration synthesis

c)

hydrolysis reactions

d)

metabolism

9.

Which element is able to bond with 4 different atoms, form a variety of different structures, and form single/double/triple bonds?

a)

hydrogen

b)

carbon

c)

oxygen

d)

neon

10.

Which is NOT one of the most common elements in biological molecules?

a)

carbon

b)

hydrogen

c)

oxygen

d)

nitrogen

e)

potassium

11.

Which of the following is an incorrect pairing of monomer to polymer?

a)

glucose, glycogen

b)

amino acid, protein

c)

nucleotide, RNA

d)

triglyceride, carbohydrate

12.

Which biological molecule are the cell membrane channels made out of that allow for facilitated diffusion and active transport?

a)

proteins

b)

carbohydrates

c)

lipids

d)

nucleic acids

13.

Which biological molecule are enzymes (to help catalyze chemical reactions) made out of?

a)

carbohydrates

b)

proteins

c)

nucleic acids

d)

lipids

14.

What is the empirical formula (ratio of elements) for carbohydrates?

a)

C1 H2 O1

b)

C2 H1 O2

c)

C1 H2 O2

d)

C2 H1 O1

15.

What is the main energy source for cells?

a)

triglycerides

b)

proteins

c)

glucose

d)

carbon dioxide

16.

The polysaccharide that animals use to store glucose is _________ and the polysaccharide that plants use to store glucose is __________.

a)

starch, cellulose

b)

cellulose, glycogen

c)

starch, cellulose

d)

glycogen, starch

17.

Which is NOT found in the cell membrane?

a)

carbohydrates

b)

proteins

c)

lipids

d)

nucleic acids

18.

The monomers of proteins are called _________. All 20 of these have the exact same structure except for the "R" group/functional group.

a)

amino acids

b)

nucleic acids

c)

monosaccharides

d)

triglycerides

19.

This lowers activation energy, is substrate-specific, and reusable in multiple reactions.

a)

enzymes

b)

RNA polymerase

c)

hydrogen bonds

d)

cell membrane protein channels

20.

What is the term for when enzymes that are build out of proteins have their shape altered by changes in temperature or pH?

a)

substrate

b)

denaturing

c)

active site

d)

buffer

21.

What does the enzyme bind with in a reaction?

a)

substrate

b)

product

c)

cell membrane

d)

nucleotides

22.

Why won't an enzyme function properly after it has been denatured by extreme conditions?

a)

the shape of the enzyme changes so that it won't fit with the substrate anymore

b)

the extreme conditions allow the reaction to happen normally, but then destroy the products after

c)

the extreme conditions result in too many substrates being produced and the enzymes can't keep up with the demands

d)

none of these

23.

Enzymes are substrate-specific which means

a)

they fit like a lock and key with only specific shapes of substrate

b)

they will work with anything as long as it is a substrate

c)

enzymes can only work to break down larger molecules, but not build them

d)

enzymes can only work to build larger molecules, but not break them down

24.

Every cell contains all of the following EXCEPT

a)

cell membrane

b)

DNA

c)

ribosomes

d)

cytoplasm

e)

mitochondria

25.

All of the following are found in a plant cell and not an animal cell EXCEPT

a)

mitochondria

b)

chloroplast

c)

cell wall

d)

large central vacuole

26.

Which cell is the plant cell?

a)

round cell on the left

b)

rectangular cell on the right

27.

The cell membrane is primarily constructed out of

a)

phospholipids and proteins

b)

phospholipids and nucleic acids

c)

proteins and carbohydrates

d)

carbohydrates and nucleic acids

28.

What are protein channels and protein pumps?

a)

proteins acting as enzymes which aid in digestion

b)

proteins acting as enzymes which aid in the building or larger molecules

c)

transport proteins in the cell membrane

d)

proteins involved in cell to cell recognition

29.

If cells containing 10% sodium are placed in a solution with 20% sodium. What type of solution is this and what would happen?

a)

hypertonic, water would enter the cell

b)

hypotonic, water would enter the cell

c)

hypertonic, water would leave the cell

d)

hypotonic, water would leave the cell

30.

If a cell containing 5% NaCl is placed in an environment that is 5% NaCl. That environment would be described as

a)

isotonic

b)

hypertonic

c)

hypotonic

d)

hydroponic

31.

Which is the only type of transport that moves particles from an area of low concentration to an area of higher concentration (against the concentration gradient)

a)

simple diffusion

b)

facilitated diffusion

c)

spontaneous transport

d)

active transport

32.

How to cells release waste by fusing a vesicle with the cell membrane?

a)

exocytosis

b)

endocytosis

33.

Which organelles are involved with energy conversion?

a)

golgi apparatus and centrioles

b)

spindle fibers and chloroplast

c)

chloroplasts and mitochondria

d)

mitochondria and endoplasmic reticulum

34.

Which bond is broken to release the energy stored in ATP (also converts it to ADP)

a)

the bond between the 2nd and 3rd (farthest away from sugar molecule) phosphate group

b)

the bond between the 1st (closest to sugar molecule) and 2nd phosphate

c)

the bond between adenine (C) and sugar (B)

d)

bond between sugar (B) and 1st phosphate group

35.

Reactants of glucose metabolism (cellular respiration) include

a)

oxygen and glucose

b)

carbon dioxide, water, ATP

c)

oxygen and ATP

d)

glucose and water

36.

The second state of glucose metabolism (cellular respiration) is

a)

Glycolysis

b)

Krebs Cycle

c)

Electron Transport Chain

d)

Light dependent reactions

37.

Which stage of glucose metabolism (cellular respiration) produces the most ATP?

a)

Glycolysis

b)

Krebs Cycle

c)

Electron Transport Chain

d)

Calvin Cycle

38.

Which organelle does photosynthesis occur in? (hint: animal cells don't have this organelle)

a)

ribosomes

b)

mitochondria

c)

chloroplast

d)

golgi apparatus

39.

The diagram represents which reaction? (hint: line "A" represents light energy)

a)

cellular respiration

b)

protein synthesis

c)

hydrolysis reaction

d)

photosynthesis

40.

The products of photosynthesis are

a)

glucose and oxygen

b)

carbon dioxide and water

c)

water and glucose

d)

oxygen and water

41.

How are photosynthesis and cellular respiration related to each other?

a)

the products of one are the reactants of the other (and vice versa)

b)

they both occur exclusively in animal cells

c)

they use the same exact organelle for both processes

d)

none of these

42.

What plays the role of "final electron acceptor" in the electron transport chain of cellular respiration?

a)

oxygen

b)

glucose

c)

carbon dioxide

d)

fructose

43.

All of the following pathways are aerobic (require oxygen) EXCEPT

a)

Krebs Cycle

b)

Electron Transport Chain

c)

Glycolysis

44.

Which type of cell would you expect to find a higher number of mitochondria?

a)

muscle cell

b)

skin cell

c)

bone cell

d)

nerve cell

45.

What would buildup during breakdown of glucose in an anaerobic environment?

a)

oxygen

b)

water

c)

lactic acid

d)

lactase

46.

ALL cells contain all of the following EXCEPT

a)

ribosomes

b)

DNA

c)

cell membrane

d)

cytoplasm

e)

mitochondria

47.

Someone has a problem breaking down waste material in their cells. Which organelle is probably isn't functioning properly?

a)

nucleus

b)

ribosomes

c)

lysosomes

d)

vacuoles

48.

Which is NOT part of cell theory?

a)

all living organisms are composed of one or more cells

b)

the cell is the basic unit of structure and organization in organisms

c)

cells arise from pre-existing cells

d)

every cell contains mitochondria

49.

Where is DNA located in prokaryotes

a)

nucleus

b)

cytoplasm

c)

cell membrane

d)

ribosome

50.

In eukaryotes, where is DNA located and replicated

a)

ribosomes

b)

golgi

c)

cytoplasm

d)

nucleus

51.

Which of the following could NOT be part of a DNA nucleotide

a)

deoxyribose

b)

thymine

c)

phosphate

d)

uracil

52.

Which of the following could make up one nucleotide found in DNA

a)

adenine + phosphate group + cytosine

b)

deoxyribose + phosphate group + polymerase

c)

cytosine + phosphate + ribose

d)

deoxyribose + phosphate group + thymine

53.

a population is

a)

All the nonliving and living organisms that live in a particular area

b)

All the different species that live in a particular area

c)

All the individuals of a species that live in a particular area

d)

only the nonliving things found in a particular area

54.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
55.
Which is true of prokaryotic and eukaryotic cells?
a)
Prokaryotic cells are larger than eukaryotic cells.
b)
Eukaryotic cells do not have nuclei, and prokaryotic cells do have nuclei.
c)
Prokaryotic cells lack membrane-bound organelles, and eukaryotic cells contain membrane-bound organelles.
d)
Eukaryotic cells are simpler than prokaryotic cells.
56.
Which is true about active transport?
a)
It requires energy
b)
it does not require energy
c)
It moves substances down the concentration gradient
d)
it moves material from high to low concentration
57.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2 
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2 
58.

What molecule is used to produce ATP in the mitochondria?

a)

carbon dioxide

b)

glucose

c)

nitrogen gas

d)

amino acids

59.

An enzyme that works in the mouth stops working when it hits the stomach; why is that?

a)

Enzymes function only within a small temperature range.

b)

Enzymes do not work after they've been used.

c)

Enzymes function within a specific pH range.

d)

Enzymes function only within the location they are initiated.

60.

The light-dependent reaction of photosynthesis produces--

a)

energy

b)

glucose

c)

CO2 and O2

d)

ATP, NADPH, H+, & O2

61.

Why would an accumulation of acid rain in lakes and rivers kill off life?

a)

It inhibits enzyme activity.

b)

It breaks down nutrients in the water.

c)

It blocks sunlight from reaching the marine life.

d)

It increases the oxygen levels in the lake water.

62.

People who are lactose intolerant are missing--

a)

an enzyme

b)

a lipid

c)

a carbohydrate

d)

a nucleic acid

63.

Which is a reactant for the Calvin cycle?

a)

glucose

b)

carbon dioxide

c)

light

d)

oxygen

64.

What is the energy conversion that occurs in the mitochondria?

a)

energy in oxygen to carbon dioxide

b)

water and radiant energy is needed for anaerobic respiration to take place

c)

carbon dioxide to glucose

d)

energy in glucose is transferred to ATP

65.

What the diffusion of water across a membrane called?

a)

cellular respiration

b)

active transport

c)

osmosis

d)

photosynthesis

66.

What is the function of the ribosomes?

a)

transport of materials

b)

production of ATP

c)

synthesis of proteins

d)

storage of hereditary information

67.

Which cell structure is responsible for the storage of water?

a)

A

b)

B

c)

C

d)

D

68.

Which macromolecule contains nitrogen?

a)

carbohydrates

b)

lipids

c)

proteins

d)

fatty acids

69.

What kind of relationship is between a tick and a dog; tick is benefitting and dog is being harmed.

a)

parasitism

b)

mutualism

c)

commensalism

d)

competition

70.

What type of relationship occurs between a shark and remora fish; fish benefit from shark but shark is neither helped nor harmed.

a)

parasitism

b)

mutualism

c)

commensalism

d)

competition

71.

What biome has the most biodiversity?

a)

desert

b)

tropical rainforest

c)

tundra

d)

taiga

72.

All the living and abiotic parts of an environment are--

a)

an organism

b)

a population

c)

a community

d)

an ecosystem

73.

Acid rain causes changes to what in aquatic systems?

a)

size

b)

temperature

c)

pH

d)

types of plant life present

74.

Which organism can be in more than one trophic level?

a)

frog

b)

grasshopper

c)

rabbit

d)

owl

75.

Bacteria living in soil play an important role in the cycling of which element in an ecosystem?

a)

nitrogen

b)

carbon

c)

phosphorus

d)

oxygen

76.
The diagram below shows the cycling of nutrients in an ecosystem.
The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Inorganic nutrients
77.
Green plants are
a)
producers
b)
consumers
c)
herbivores
d)
omnivores
78.
What is the original source of almost all energy in most ecosystems?
a)
carbohydrates
b)
sunlight
c)
water
d)
carbon
79.
An organism that produces its own food supply from inorganic compounds is called a(an)
a)
heterotroph
b)
consumer
c)
detritivore
d)
autotroph
80.
What is an ecological model of the relationships that form a network of complex interactions among organisms in a community from producers to decomposers?
a)
food web
b)
an ecosystem
c)
food chain
d)
a population
81.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
82.
symbiotic relationship in which both organisms benefit
a)
competition
b)
Mutualism
c)
nitrogen fixation
d)
energy pyramid
83.
The energy at each trophic level in the pryamid of energy decreases by a factor of ____.
a)
10
b)
1
c)
100
d)
2
84.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
85.
diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession 
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
86.
a relationship between two in which one species, the predator, feeds on the other species, the prey
a)
chemosynthesis
b)
predation
c)
cellular respiration 
d)
commensalism
87.
Study of interactions between organisms and their environment 
a)
niche
b)
community 
c)
ecology
d)
ecosystem
88.
symbiotic relationship in which one organisms benefits and the other organism is not affected
a)
invasive (non-native) species
b)
mutualism 
c)
nitrogen fixation
d)
commensalism
89.
Members of a species in a defined area
a)
Ecosystem
b)
community
c)
biodiversity
d)
population
90.
Where an organism lives
a)
habitat
b)
niche 
c)
heterotrogh
d)
biosphere
91.
Non-living factor that affects an ecosystem
a)
biotic factor
b)
abiotic factor
c)
food chain 
d)
biome
92.
A food chain is illustrated below:
The arrows represented most likely indicate
a)
A. Energy released from metabolism into the environment as heat.
b)
B. Oxygen released from metabolism produced by cellular respiration.
c)
C. The absorption of energy from the environment that has been created.
d)
D. The transport of glucose away from the organism through photosynthesis.
93.
A pond ecosystem is shown in the diagram below. Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
Which statement describes an interaction that helps maintain the dynamic equilibrium of this ecosystem?
a)
The frogs make energy available to this ecosystem through the process of photosynthesis.
b)
The algae directly provide food for both the rotifers and the catfish.
c)
The green-backed heron provides energy for the mosquito larvae.
d)
The catfish population helps control the populations of water boatman and waterfleas.
94.

The H in HIPO (relating to ecology) means (a)   .

95.

What does the I in HIPO stand for?

(a)  

96.

What does the P in HIPO stand for?

(a)  

97.

The variable that a scientist is testing (can change)

a)

dependent

b)

control

c)

independent

d)

experimental

98.

The variable that a scientist is measuring

a)

dependent

b)

control

c)

independent

d)

experimental

99.

The process of testing a hypothesis

a)

experiment

b)

data collection

c)

conclusion

d)

inference

100.

Information that you already know, that is based on prior experience.

a)

hypothesis

b)

inference

c)

conclusion

d)

experiment

101.

A _________ compares your data to your hypothesis.

a)

experiment

b)

data

c)

graphs

d)

conclusion

102.

The following two graphs show sea urchin availability and consumption by otters.


What trend and/or relationship do you see in both of these graphs?

a)

Larger urchins are found near Attu Island, and smaller urchin are rarely consumed near either island.

b)

Larger urchins are found in Amchitka, and smaller urchin are rarely consumed near either island.

c)

Similar sized urchins are found in both islands, and urchins are consumed evenly regardless of size.

d)

Similar sized urchins are found in both islands, and only small urchins are consumed.

103.

What do these graphs suggests in regards to which sized urchins are preferred by otters?

a)

Otters prefer to eat small sea urchins.

b)

Otters prefer to eat mid-sized to large urchins.

c)

Otters do not have a preference for urchin size.

d)

Otters refuse to eat medium sized urchins.

104.

This graph shows the relationship between the size of a sea urchin (diameter) and the thickness of its protective shell for two different species.


What does this graph reveal about sea urchins?

a)

Purple urchins have a greater thickness than red urchins.

b)

Red urchins have a greater thickness than purple urchins.

c)

Both urchins have the same thickness.

105.

How do keystone species affect biodiversity

a)

They reduce biodiversity

b)

They increase biodiversity

c)

They do not affect biodiversity

d)

They limit biodiversity

106.

What kind of microscope can see bacteria cells stained with dye?

a)

Compound (Light) microscope

b)

Dissecting Microscope

c)

scanning electron microscope

d)

transmission electron microscope

107.

Which microscope could be used to see the INNER PARTS of dead cell's organelles (smaller parts)?

a)

Dissecting Microscope

b)

Compound (Light) Microscope

c)

Scanning Electron Microscope

d)

Transmission Electron Microscope

108.

Which microscope could be used to see the OUTER PARTS of dead cell's organelles (smaller parts)?

a)

Dissecting Microscope

b)

Compound (Light) Microscope

c)

Scanning Electron Microscope

d)

Transmission Electron Microscope

109.

Which microscope could be used to see a whole insect, like a bee, in greater detail?

a)

Dissecting Microscope

b)

Compound (Light) Microscope

c)

Scanning Electron Microscope

d)

Transmission Electron Microscope

110.

True or False: Bubbles/min is measured on the X-axis of this graph

a)

True

b)

False

111.

True or False: Depth is measured on the X-axis of this graph

a)

True

b)

False

112.

The X-axis most commonly measures which variable?

a)

Independent

b)

Dependent

c)

Control

d)

Constant

113.

The Y-axis most commonly measures which variable?

a)

Independent

b)

Dependent

c)

Control

d)

Constant

114.
Thomas wants to design an experiment to see if wearing Nikes makes you run faster than other shoes.
What is the DV?
a)
type of shoes
b)
non nike shoes
c)
race time
d)
nike shoe
115.

What conclusions can be drawn form this graph? (CO2 is Carbon Dioxide)

a)

Atmospheric carbon dioxide is responsible for global warming

b)

Atmospheric Carbon Dioxide Levels in parts per million have been rising since 1960

c)

Atmospheric Carbon Dioxide Levels in parts per million have been falling since 1960

d)

Atmospheric carbon dioxide levels have not meaningfully changed in the past several decades

116.

Sarah forgot to add units to her graph, leaving both the X and Y axis without numbers. What can we still interpret from Sarah's Graph?

a)

The enzyme works best as a specific temperature

b)

The enzyme works best at all temperatures

c)

The enzyme activity is dependent on pH

d)

This enzyme would work for bacteria that live in volcanos and humans equally well

117.

Which of these inferences BEST suits the graph of species 5?

a)

A population of bacteria goes through periods of activity and inactivity

b)

A population of mice increases and becomes stable

c)

A population of birds increases in the spring, but decrease 2 weeks later

d)

A population of wolves slowly increases and then rapidly increases

118.
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)
B. High acidity is helpful to this type of plant.
c)
C. Low acidity is harmful to this type of plant.
d)
High acidity is harmful to this type of plant.
119.
The graph below shows atmospheric carbon dioxide levels since the year 1880.Which of the following conclusions can be drawn from this graph
a)
 Atmospheric carbon dioxide levels are responsible for global temperature change.
b)
 Atmospheric carbon dioxide levels have been rising at about the same rate for the past century.
c)
Atmospheric carbon dioxide levels have remained the same over the past century.
d)
 Atmospheric carbon dioxide levels have been rising at an increasingly higher rate as the past century has progressed.
120.
An osmosis investigation was conducted using chicken eggs to represent cells with semipermeable membranes. The mass of each egg was measured to determine how much water diffused into or out of the eggs. The eggs were first soaked in vinegar to dissolve the shell. Each egg was then placed in one of three different solutions for 24 hours. The table below shows the results of the investigation. Based on this experiment, which of the following should be inferred about cells with semipermeable membranes?
a)
Substances other than water may also cross the cell membrane.
b)
Substances other than water may block pores in 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
121.
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
122.
In order to be accepted, a scientific theory must be
a)
 widely tested and supported by extensive data
b)
 based on the results of a single experiment
c)
 controversial and cause debate
d)
 in line with all previous historical ideas
123.
In an appropriately designed experiment, a scientist is able to test the effect of
a)
 a single variable
b)
 multiple variables
c)
 the hypothesis
d)
 scientific observations
124.
Conclusions based on an experiment are most likely to be accepted when
a)
they are consistent with experimental data and observations
b)
 they are derived from investigations having many experimental variables
c)
 scientists agree that only one hypothesis has been tested
d)
 hypotheses are based on one experimental design
125.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
126.
The name of the information that you get from your experiment (you organize it into charts and graphs).
a)
observations
conclusion
b)
data
c)
variables
d)
hypothesis
127.
The main reason that diagrams, tables and graphs of data are used by scientists is to-
a)
organize data
b)
verify the conclusion
c)
test a hypothesis
d)
create an experiment
128.
Which of the following must be done for the results of an experiment to be considered valid?
a)
the experiment must be repeated numerous times and the same results are obtained
b)
the results must be published in a national journal
c)
the results must be shown in a graph
d)
the results must be only quantitative
129.
In this graph, what is the dependent variable? 
a)
Walla Walla Island
b)
Time
c)
Number of Deer
130.
In a controlled experiment, how many variables can be worked with at a time? 
a)
one
b)
none
c)
two or more
d)
how ever many makes sense.

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