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Oklahoma School
Testing Program
Oklahoma Core Curriculum Tests
2005–2006
Released Items
End-of-Instruction
Biolog y I
Oklahoma State Department of Education
Oklahoma City, Oklahoma
Developed and published under contract with the Oklahoma State Department of Education by CTB/McGraw-Hill LLC,
a subsidiary of The McGraw-Hill Companies, Inc., 20 Ryan Ranch Road, Monterey, California 93940-5703. Copyright
© 2005 by the Oklahoma State Department of Education. All rights reserved. Only State of Oklahoma educators and
citizens may copy, download and/or print the document, located online at www.sde.state.ok.us. Any other use or reproduction of this document, in whole or in part, requires written permission of the Oklahoma State Department of Education.
Section 1
Section 1
1
3
Which activity requires the use
of safety goggles?
A
B
C
D
A beekeeper discovered the
presence of mites living among
0203B3_b02OKEOI.eps
honeybee
population.
Oklahomahis
High
School
sampling a population of birds
He then
kept a record of the
Biology_Batch
3
measuring the temperature of soil 07/18/02honeybee
and
mitetdpopulation
bf, 10-25-04 td,
11-3-04
sizes
over
a
period
of time. His
examining a cell under
data are shown in the graph
a microscope
below.
mixing two chemicals to make
a solution
P3.5
Number of Organisms
Honeybee and Mite
Populations Over Time
2
In cold temperatures, the
body of a certain mammal can
regulate internal temperatures
by decreasing the diameter of
s
the capillaries in the limbs. This
keeps most of the warm blood
atch 5, Phase FT,
Year to
Summer
‘02 of the body
close
the center
AW, 11/20/03 BAW,
1/7/04
and the
vitalplorgans.
According to the graph, which
statement describes the
relationship between the mites
and the honeybees?
Temperature and Capillary Width
Width of Capillaries
(micrometers)
25.0
5.4
A The mites are parasites of the
honeybees.
20.0
5.0
15.0
4.6
B The mites and honeybees both
benefit from living together.
C The honeybees are unaffected
while the mites benefit from the
relationship.
Based on the trend in the data,
what would the capillary
diameter most likely be at 17.5°C ?
F
D The honeybees have an advantage
over the mites when competing for
the same resources.
P4.3
4.2
4.5 micrometers
G 4.7 micrometers
H 4.8 micrometers
J
Bees
Time
A scientist obtained the results
shown in the table.
External
Temperature (°C)
Mites
4.9 micrometers
P3.3
6.1
2
0302B13_b_03OKEOI.eps
Oklahoma EOI
Grade H. S., Biology I, Batch 13, Phase Item Development, Year 2003
5/15/03 ah
Section 1
4
What does this symbol indicate about a chemical?
F
It is not possible to burn this chemical.
G The chemical produces toxic fumes.
BI0057_s02OK.eps
H The
chemical is flammable.
Oklahoma High
School
Biology
J The chemical is a bio-hazardous material.
12/20/01 bf, 1/16/02 km
5
P3.5
The leaves, seeds, and branches of three different trees are shown below.
Which characteristic enables these trees to expand their range quickly?
A the shape of the leaves
B the number of leaves
C the shape of the seeds
P1.1
3.2
D the length of the branches
3
GO ON 
0253B11_S03OKEOI
Section
Oklahoma1
EOI 2003
Biology
5/12/03 ps, 5.28.03 ed, 6/19/03 DC,
6-25-03 KJZ, 11/19/03 BAW, 10-25-04 td
6 The pedigree shows the inheritance pattern of a genetic condition in three
generations of prairie dogs.
1
Key
2
Normal Male
3
7
4
8
9
?
10
5
6
?
11
?
12
Affected Male
Normal Female
?
13
Affected Female
What is the chance that Individual 10 will inherit this condition?
F
0%
G
25%
H
50%
P4.1
2.2
J 100%
7
A student is given three equal-sized samples of unknown cells. The student
is asked to identify the cells whose processes would be most affected by
natural light. He extracted the contents of the cells from all three samples
and placed them in three different test tubes. He further separated the
contents of each test tube into organelles.
What must he do next to find the sample whose processes would be most
affected by natural light?
A compare the number of mitochondria in each sample
B compare the number of chloroplasts in each sample
C compare the sizes of nuclei from each sample
D compare the thicknesses of the cell walls from each sample
4
P3.1
1.1
Section 1
8
The only way that yucca plants can be pollinated is by yucca moths.
The moth collects the pollen from one plant and deposits it on another
plant. The moth then lays its eggs inside the flower of the yucca plant. The
moth larvae feed on the yucca seeds as they develop, but they do not eat all
of the seeds.
Which of these statements best classifies the relationship between the
yucca plant and the yucca moth?
F
competitive because one species benefits while the other is harmed
G parasitic because one species benefits while the other is harmed
H neither parasitic nor competitive because both species benefit
J
9
neither parasitic nor competitive because both species are harmed
P2.2
4.2
Carbon dioxide in the atmosphere helps to moderate Earth’s climate.
Carbon dioxide traps heat from the sun that would otherwise radiate
from Earth back into space. The amount of carbon dioxide in the
atmosphere increased during the past century. Scientists think that this
increase in atmospheric carbon dioxide is causing Earth’s temperatures
to increase, a phenomenon called global warming.
Which statement explains why the destruction of forests may
contribute to global warming?
A Freshly cut trees release CO2 into the atmosphere.
B Trees reduce their use of CO2 when the temperature increases.
C Less CO2 is absorbed from the atmosphere when there are fewer trees.
D The remaining plants increase their rate of photosynthesis to balance the loss
of trees.
P4.1
4.1
5
GO ON 
Section 1
BA15a_S02OK.eps
Oklahoma HS Biology
Batch 7
12.26.01 lmr, 1/15/02 km 1.29.02 gk, 8/25/03 pep
BA15c_S02OK.eps
Oklahoma HS Biology
Batch 7
12.26.01 lmr, 1/15/02 km, 02/04/02 bf, 8/25/03 pep
10 Which of these models represents the molecule that contains the
genetic code?
CH2OH
H H
BA15b_S02OK.eps
Oklahoma HS Biology
Batch 7
12.26.01 lmr, 1/15/02 km, 8/25/03 pep
CH2OH
O H
O
H
H HO CH2OH
O
HO OH H
BA15d_S02OK.eps
Oklahoma HS Biology
OH
OH
H
Batch 7 H
12.26.01 lmr, 1/15/02 kmG
F
Lys
Val
Gly
Phe
Arg
Cys
H
J
P5.1
2.1
11 Sea turtles lay eggs deep in the sand of ocean beaches. When newborn
turtles emerge from the sand, they immediately crawl toward the ocean.
The newborn turtles use moonlight as a guide to find the ocean.
How should the behavior of the newborn turtles be classified?
A random
B innate
C learned
D imprinting
P2.1
6.2
6
STOP
Section 2
Section 2
BAO117a_S02OK
BAO117b_S02OK
Biology I_Batch 19
Biology I, Batch 19
12 rg,02/04/02
A sonogram
is a picture
of a fetus taken as it develops inside its mother.
1-23-02
bf, 10-26-04
td
1-23-02 rg, 02/04/02 bf, 10-26-04 td
Using a sonogram, the length of a fetus was measured each month until
it was born. The fetus was 11.5 centimeters long after four months and
35.0 centimeters long at the end of nine months when it was born.
Which graph is the best way to represent the growth of the fetus?
Fetus Growth
Month
9
Month
2
Month
3
Month
8
Month
4
BAO117c_S02OK
Month
Biology I_Batch 19 7
Month
Month td 5
1-23-02 rg, 02/04/02 bf, 10-26-04
6
Fetus Growth
9
8
7
6
5
BAO117d_S02OK
4 19
Biology I, Batch
3
1-23-02 rg, 02/04/02 bf, 10-26-04 td 2/2/05 kl
2
1
Time (months)
Month
1
10
20
30
40
Length (centimeters)
F
G
Fetus Growth
40
Time (months)
Length (centimeters)
Fetus Growth
30
20
10
9
8
7
6
5
4
3
2
1
10
20
30
40
Length (centimeters)
1 2 3 4 5 6 7 8 9
Time (months)
J
H
8
P4.8
1.2
Batch 12
6/20/03 DC, 8/25/03 pep
Section 2
13 A large tree fell in a dense
15
forest. Several months later
many new plants were growing
in the area of the fallen tree.
The new plant growth most
likely occurred as a result of an
increase in which factor?
A the amount of available oxygen
B the amount of available water
This sign warns people about
which hazard?
C the amount of available sunlight
A sharp objects
D the amount of available carbon
dioxide
P5.2
4.3
B infected tissues
C radioactive materials
D poisonous chemicals
P3.5
14 Which measurement range is the
best estimate for the length of
a pond microorganism’s body?
F
16 The alfalfa plant gets its nitrogen
from bacteria that live in its
roots. In return, the alfalfa
provides food for the bacteria.
Which term best describes the
relationship between the alfalfa
and the bacteria?
0.002 – 0.2 millimeters
G 0.002 – 0.2 milliliters
H 2.0 – 200 millimeters
J
2.0 – 200 milligrams
P1.3
1.1
F
predation
G mutualism
H parasitism
J
9
competition
P2.1
4.2
GO ON 
Section 2
BS17AN_s02OK.eps
Oklahoma High School
Biology
17 bf,
A type
of cloning
occurs
12/18/01
10-26-04
td, 11-3-04
td in many plants. In this process new plants grow
from a piece of the parent plant. Strawberries reproduce this way from
runners. African violets can be grown from a leaf. Pieces of potato tuber
can be used to grow new potato plants, as shown below.
Reproduction of Potatoes from a Tuber
Potato Tuber
Pieces of Potato
Planted
New Potato Plants Growing
In this type of reproduction all of the offspring are genetically identical to
the parent plant. A commercial farmer uses this process to produce a crop
of potatoes. What is one disadvantage of this type of reproduction for
a commercial farmer?
A It results in more mutations.
B It requires more pollinating insects.
C The plants are ready for harvest at different times.
D The plants are more likely to all be killed by the same disease.
10
P4.1
3.2
Section 2
18 A biologist hypothesized that if a male scissor-tailed flycatcher performs
a complex flight pattern called a sky dance, then he will be more
reproductively successful than a male that does not perform the sky dance.
The biologist observed flycatchers for several weeks and recorded the
number of female flycatchers that came into the area while a male was
performing the sky dance.
What is the dependent variable in this experiment?
F
the total number of flycatchers observed by the biologist
G the number of male flycatchers that performed a sky dance
H whether or not a male flycatcher performed a sky dance
J
the number of female flycatchers that came into a male’s area
P3.2
6.2
19 Maria wants to conduct an experiment to determine if music would affect
the ability of rats to find a piece of cheese at the end of a maze. She knows
she must complete the following steps.
1. Record data while conducting repeated trials of rats running the
maze with and without music playing.
2. Draw a conclusion.
3. Create a hypothesis: Music will have no effect on the ability of rats to
complete the maze.
4. Analyze results.
In what order should Maria conduct the steps?
A 3–2–1–4
B 1–4–3–2
C 3–1–4–2
D 1–2–3–4
P3.1
6.2
11
GO ON 
Section 2 0176B4_F02OK
Oklahoma EOI 2002
Biology
7/18/02 ps, 11/20/03 BAW, 11/21/03 BAW
20 Manuel determined
the number of different bases that are present in a single
strand of DNA.
Number of Bases in a
Single Strand of DNA
Base
Number
A
25
C
45
0176bB1_s04OK
G
20 EOI 2004
0176aB1_s04OK
Oklahoma
Oklahoma EOI 2004
Biology10
Batch 1
T
Biology Batch 1
7/19/02 ps, kj 12.31.02, 11/20/03 baw, 11/25/03 pl
7/19/02 ps, kj 12.31.02, 11/20/03 baw, 11/25/03 pl
Which of these is an appropriate graph of the total number of bases in the
DNA strand and its complementary strand?
Bases in a DNA Segment
Bases in a DNA Segment
Number in
Both Strands
Number in
Both Strands
70
70
60
60
50
50
40
40
30
30
0176cB1_s04OK20
20
Oklahoma EOI 2004
10
10
0176dB4_F02OK0
Biology Batch 1 0
A11/20/03
C
Gbaw, T
C
G
T
7/19/02 ps, kj 12.31.02,
11/25/03 pl Oklahoma EOI 2002 A
Base
Base
Biology
7/19/02 ps, kj 12.31.02, 11/20/03 BAW
F
G
Bases in a DNA Segment
Bases in a DNA Segment
Number in
Both Strands
Base
T
G
C
A
10 20 30 40 50 60 70
Number in Both Strands
H
70
60
50
40
30
20
10
0
A
C
G
Base
J
12
T
P4.8
2.1
Section 2
21 Shown below are the steps a
22 Mistletoe lives among the
student will complete in order to
study the effect light has on the
number of microscopic algae in
freshwater.
branches and leaves of many
trees. The mistletoe uses the
water and nutrients collected
and produced by these trees. As
a result, the trees are weakened
and grow at a slower rate.
1. Place one jar of pond
water in the sun and one
in the shade for one week.
Which statement best classifies
the relationship between the
mistletoe and the trees?
2. Use a microscope to
count the number of
microscopic algae in one
milliliter from jar A and
one milliliter from jar B.
F
The relationship is parasitic
because both species are harmed.
G The relationship is competitive
because both species are harmed.
3. Label two jars A and B.
H The relationship is parasitic
because only one species benefits
while the other is harmed.
4. Collect two jars of pond
water.
Which of these is the best order
in which to do these steps?
J
A 3–4–2–1
B 4–2–3–1
The relationship is competitive
because only one species benefits
P2.2
while the other is harmed.
4.2
C 3–4–2–1–2
D 4–2–1–2–3
P3.1
4.3
13
GO ON 
Section 2
23 Male 0281bB12_b_03OKEOI.eps
stickleback fish have a red underside while females do not.
Oklahoma HS Biology
In theBatch
spring,
12 a male stickleback selects and defends a territory.
To study
thiskm,
behavior,
scientist
placed
different
fish models
in an
5/12/03
5/26/03akm,
6/23/03
DC, 8/25/03
pep, 9/23/03
km
aquarium with male sticklebacks to observe their behavior. The table
summarizes the results.
Response of Male Sticklebacks
to Various Models
Model
Picture of
Model
Red
Underside?
Response of
Male Stickleback
1
No
No response
2
Yes
Attacked model
3
Yes
Attacked model
Which statement best explains why the behavior of male sticklebacks
contributes to their reproductive success?
A Male sticklebacks’ attacking only models that have red undersides indicates that
they chase females but not competing males from their territory.
B Male sticklebacks’ attacking all models indicates that they chase competing males
and females away from their territory.
C Male sticklebacks’ attacking only models without red undersides indicates that
they chase competing males but not females from their territory.
D Male sticklebacks’ attacking only models that have red undersides indicates that
they chase competing males but not females from their territory.
P1.1
6.2
14
Section 2
24 A scientist in South Carolina observed that wild dogs in that area
looked more like wild dingoes from Australia than domestic dogs from
the United States.
What evidence would best support the hypothesis that South Carolina
wild dogs are more closely related to dingoes than to domestic dogs?
F
X-rays of the forearms from each of the three dog populations
G the average brain size of each of the three dog populations
H the blood type of each of the three dog populations
J
25
P4.4
3.1
DNA from each of the three dog populations
0256B8_b_03OKOEI.eps
Oklahoma
EOI_Biology
A
group of
studentsI was investigating the effect of temperature on the rate
High
School_Batch 8 They placed 150 mL of water and an aquatic plant in
of
photosynthesis.
04/09/03 bf, 5.22.03 ed, 6/24/03 ps, 8/25/03 pep
four different beakers. The temperature of the water in the four beakers at
the beginning of the experiment was 10ºC, 20ºC, 30ºC, and 40ºC. The setup of
the students’ experiment is shown below.
Beaker 1:
10C
Beaker 2:
20C
Beaker 3:
30C
Beaker 4:
40C
Which method is best for the students to use in this experiment?
A Use a thermometer to monitor the water temperature; count the bubbles produced
by each plant to determine the amount of carbon dioxide produced.
B Use a magnifying glass to monitor the water volume; count the bubbles produced
by each plant to determine the amount of oxygen produced.
C Use a thermometer to monitor the water temperature; count the bubbles produced
by each plant to determine the amount of oxygen produced.
D Use a magnifying glass to monitor the water volume; count the bubbles produced
by each plant to determine the amount of carbon dioxide produced.
P1.2
5.1
15
GO ON 
Section 2
BA0020_S02OK.eps
Oklahoma HS Biology
Batch 12
Oxygen Pressure Chart
12/18/01 clb, 1/16/02 km , 01/23/02 BAW, 2/14/02 ah
26 The graph below shows how a population of fish in a lake changed over
a period of 5 years.
Number of Fish
Fish Population Over Time
X
Time
Which statement explains what most likely happened after the time
marked X ?
F
The habitat changed and could no longer support fish.
G The amount of predation on fish significantly increased.
H A deadly disease spread throughout the population.
J
The population size was limited by the amount of available habitat.
P4.3
4.3
27 Cells make up many different structures in an organism. What information
is used to classify one of these structures as a tissue, an organ, or an organ
system?
A the number of cells it contains
B the location and size of the structure
C the extent to which cells are organized into groups based on function
D whether the structure is involved in digestion, circulation, reproduction, or
another function
16
P2.2
1.2
STOP