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ordered
The deer, snakes, and frogs represented in the food web are all types of
q258
None
1
1
['(1) consumers', '(2) prey', '(3) herbivores', '(4) predators']
numeric
mid
en
science
natural-science
Arial
black
ordered
Based on the diagram, which interaction demonstrates competition between organisms?
q259
None
2
B
['(1) plants and birds compete for the grasshoppers', '(2) coyotes and mountain lions compete for the deer', '(3) snakes and frogs compete for the raccoons', '(4) frogs and grasshoppers compete for the plants']
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
What is the primary structure in the potato plant that converts light energy into chemical energy?
q260
None
1
A
['(1) leaves', '(2) flower', '(3) roots', '(4) tuber']
alphabetic
mid
en
science
natural-science
Times New Roman
black
ordered
The main function of the potato plant’s stem is to
q261
None
4
D
['(1) absorb water', '(2) produce potatoes', '(3) produce seeds', '(4) transport nutrients']
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
The diagram below represents a pond area. (image)[image-393.png] (not drawn to scale) The original source of energy for this pond area is the
q262
None
2
2
['(1) fish', '(2) Sun', '(3) water', '(4) duck']
numeric
mid
en
science
natural-science
Arial
black
ordered
The diagram below represents Earth’s polar and equatorial diameters, measured in kilometers (km). (image)[image-394.png] The shape of Earth is best described as
q263
None
4
D
['(1) perfectly spherical because the equatorial diameter is the same as the polar diameter', '(2) perfectly spherical because the equatorial diameter is slightly larger than the polar diameter', '(3) nearly spherical because the equatorial diameter is the same as the polar diameter', '(4) nearly spherical because the ...
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
The diagram below represents Earth’s layers, labeled A through D. (image)[image-395.png] (not drawn to scale) Which letter represents the outer core?
q264
None
3
C
['(1) A', '(2) B', '(3) C', '(4) D']
alphabetic
mid
en
science
natural-science
Courier New
black
ordered
Earthquakes that occur on the ocean floor may produce tsunamis, which are large ocean waves that can flood coastal locations. Which location is most likely in the greatest danger from a tsunami?
q265
None
2
B
['(1) A', '(2) B', '(3) C', '(4) D']
alphabetic
mid
en
science
natural-science
Courier New
black
ordered
Scientists infer that the major cause of most earthquakes is the movement of
q266
None
3
C
['(1) glacial ice due to unequal heating of Earth’s surface', '(2) shorelines due to faulting of rock layers on Earth’s crust', '(3) lithospheric plates due to convection cells in Earth’s mantle', '(4) continents due to increased greenhouse gases entering Earth’s atmosphere']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
Which other natural events would produce a similar pattern of shading if their occurrences were plotted on this map?
q267
None
2
B
['(1) ice storms', '(2) volcanic eruptions', '(3) glaciers', '(4) hurricanes']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
What is the latitude and longitude of point A?
q268
None
1
A
['(1) 30° N 90° W', '(2) 30° N 90° E', '(3) 90° N 30° W', '(4) 90° N 30° E']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
Compared to the shapes and volumes of the gas and liquid, the solid
q270
None
1
A
['(1) has a definite shape and a definite volume', '(2) has a definite shape and no definite volume', '(3) takes the shape of its container and has a definite volume', '(4) takes the shape of its container and has no definite volume']
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
A comparison of the three phases shows that in the sample of the liquid, the atoms have a
q271
None
2
B
['(1) greater force of attraction than the solid and the gas', '(2) greater force of attraction than the gas, only', '(3) weaker force of attraction than the gas, only', '(4) weaker force of attraction than the solid and the gas']
alphabetic
mid
en
science
natural-science
Times New Roman
black
ordered
The diagram below represents a roller coaster at two positions on the roller coaster track. (image)[image-399.png] Compared to the potential energy of the roller coaster at the top of hill 1, the potential energy of the roller coaster at the top of hill 2 is
q272
None
1
1
['(1) less because the roller coaster is at a lower elevation', '(2) less because the roller coaster is on a more gentle slope', '(3) greater because the roller coaster is at a lower elevation', '(4) greater because the roller coaster is on a more gentle slope']
numeric
mid
en
science
natural-science
Times New Roman
black
ordered
The diagram below represents a simple machine, labeled A, that is being used to move a barrel up the stairs. (image)[image-400.png] Which simple machine is represented by letter A in the diagram?
q273
None
4
D
['(1) lever', '(2) pulley', '(3) wheel and axle', '(4) inclined plane']
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
Which form of energy is stored in the battery?
q275
None
3
C
['(1) nuclear', '(2) light', '(3) chemical', '(4) mechanical']
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
The diagram below represents a triple-beam balance with a rock on it. (image)[image-402.png] A student finds the mass of the rock to be 55.0 grams. The student is making
q276
None
4
D
['(1) an inference', '(2) a hypothesis', '(3) an explanation', '(4) a measurement']
alphabetic
mid
en
science
natural-science
Calibri
(138, 138, 138)
ordered
The diagram below represents two forces, F_1 and F_2, acting concurrently on a block sliding on a horizontal, frictionless surface. (image)[image-405.png] Which statement describes the motion of the block?
q278
None
3
C
['(1) The block is accelerating to the right.', '(2) The block is accelerating to the left.', '(3) The block is moving to the right with constant speed.', '(4) The block is moving to the left with decreasing speed.']
alphabetic
high
en
physics
natural-science
Verdana
black
ordered
The diagram below represents a roller coaster car traveling counterclockwise in a vertical circle. (image)[image-406.png] When the car is in the position shown, what are the directions of the centripetal force acting on the car and the velocity of the car?
q279
None
1
A
['(1) The centripetal force is directed to the right and the velocity is directed downward.', '(2) The centripetal force is directed downward and the velocity is directed to the right.', '(3) The centripetal force and velocity are both directed to the right.', '(4) The centripetal force and velocity are both directed d...
alphabetic
high
en
physics
natural-science
Times New Roman
black
ordered
The vector diagram below represents the path and distances run by a student in a cross-country race. (image)[image-407.png] The displacement of the student from start to finish is
q280
None
2
2
['(1) 1.40 km north', '(2) 1.40 km south', '(3) 5.00 km north', '(4) 5.00 km south']
numeric
high
en
physics
natural-science
Calibri
black
ordered
The diagram below shows the arrangement of three charged hollow metal spheres, A, B, and C. The arrows indicate the direction of the electric forces acting between the spheres. (image)[image-408.png] What spheres have static charges of the same sign?
q281
None
2
2
['(1) A and B, only', '(2) A and C, only', '(3) B and C, only', '(4) A, B, and C']
numeric
high
en
physics
natural-science
Arial
black
ordered
The diagram below represents a wave traveling in a rope in the direction indicated. (image)[image-413.png] Which arrow represents the motion of a particle at point P at the instant shown?
q282
None
4
D
['(1)\n(image)[image-409.png]', '(2)\n(image)[image-410.png]', '(3)\n(image)[image-411.png]', '(4)\n(image)[image-412.png]']
alphabetic
high
en
physics
natural-science
Calibri
black
ordered
The diagram below shows the initial charge and position of two identical conducting spheres on insulating stands. -7 * 10^{-6} C (image)[image-414.png] +3 * 10^{-6} C (image)[image-415.png] If the spheres are brought into contact with each other and separated, sphere B will have a net charge of
q283
None
2
B
['(1) -5 * 10^{-6} C', '(2) -2 * 10^{-6} C', '(3) +5 * 10^{-6} C', '(4) -4 * 10^{-6} C']
alphabetic
high
en
physics
natural-science
Calibri
(43, 43, 43)
ordered
The graphs below show the displacement of a certain particle in a medium versus time due to two periodic waves, A and B, traveling through the medium. (image)[image-416.png] The superposition of the two waves will cause the particle of the medium to have a maximum displacement of
q284
None
4
D
['(1) 1.0 m', '(2) 2.0 m', '(3) 2.5 m', '(4) 5.0 m']
alphabetic
high
en
physics
natural-science
Arial
black
ordered
Which graph best represents the relationship between the speed of light (f = 5.09 * 10^{14} Hz) in a transparent medium and the absolute index of refraction of the medium?
q287
None
1
1
['(1) (image)[image-422.png]', '(2) (image)[image-423.png]', '(3) (image)[image-424.png]', '(4) (image)[image-425.png]']
numeric
high
en
physics
natural-science
Verdana
black
ordered
A gravitational force of magnitude F exists between Earth and a satellite on Earth’s surface. The satellite is sent into orbit at a distance of three Earth radii above Earth’s surface, as shown in the diagram below. (image)[image-426.png] What is the magnitude of the gravitational force between Earth and the satellite ...
q288
None
1
1
['(1) $\\frac{1}{16}F$', '(2) $\\frac{1}{9}F$', '(3) 3F', '(4) 4F']
numeric
high
en
physics
natural-science
Arial
black
ordered
The graph below represents the motion of an airplane that starts from rest and takes off from a straight runway. (image)[image-431.png] Which quantity is represented by the slope of the graph?
q290
None
4
D
['(1) total distance traveled', '(2) displacement', '(3) average speed', '(4) acceleration']
alphabetic
high
en
physics
natural-science
Verdana
black
ordered
The diagram below represents two horizontal platforms that are at different heights above level ground. A ball rolls off the taller platform with a horizontal speed of 15 meters per second and travels through the air, landing on the top of the shorter platform. (image)[image-432.png] What is the total time the ball is ...
q291
None
3
C
['(1) 0.16 s', '(2) 0.49 s', '(3) 0.70 s', '(4) 1.1 s']
alphabetic
high
en
physics
natural-science
Times New Roman
black
ordered
Four mechanical waves are created in the same medium over the same time interval. Which diagram represents the wave that transfers the greatest amount of energy?
q292
None
2
2
['(1) (image)[image-433.png]', '(2) (image)[image-434.png]', '(3) (image)[image-435.png]', '(4) (image)[image-436.png]']
numeric
high
en
physics
natural-science
Verdana
black
ordered
Which diagram represents a light ray increasing in speed as it travels from one medium to another?
q293
None
3
3
['(1) (image)[image-437.png]', '(2) (image)[image-438.png]', '(3) (image)[image-439.png]', '(4) (image)[image-440.png]']
numeric
high
en
physics
natural-science
Times New Roman
black
ordered
Which relation is a function?
q294
None
1
A
['(1) {(1,3), (2,1), (3,1), (4,7)}', '(2) \nInput | Output\n-6 | -2\n-4 | 2\n7 | 3\n7 | 5', '(3) (image)[image-441.png]', '(4) (image)[image-442.png]']
alphabetic
high
en
algebra1
math
Times New Roman
black
ordered
What is the value of the third quartile in the box plot shown below? (image)[image-443.png]
q295
None
3
C
['(1) 18', '(2) 22', '(3) 36', '(4) 46']
alphabetic
high
en
algebra1
math
Courier New
black
ordered
Which quadratic function has the smallest minimum value?
q296
None
1
1
['(1) f(x) = 6x^2 + 5x - 2', '(2)\nx | h(x)\n0 | 6\n1 | 2\n2 | 0\n3 | 0\n4 | 2\n5 | 6', '(3) g(x) = 6(x - 2)^2 - 2', '(4) (image)[image-444.png]']
numeric
high
en
algebra1
math
Calibri
black
ordered
Which particle diagram represents one substance, only? (image)[image-449.png]
q297
None
1
1
['(1) (image)[image-445.png]', '(2) (image)[image-446.png]', '(3) (image)[image-447.png]', '(4) (image)[image-448.png]']
numeric
high
en
chemistry
natural-science
Verdana
black
ordered
Which formula represents 2-butene?
q298
None
2
B
['(1) (image)[image-450.png]', '(2) (image)[image-451.png]', '(3) (image)[image-452.png]', '(4) (image)[image-453.png]']
alphabetic
high
en
chemistry
natural-science
Verdana
black
ordered
Given a formula representing a compound: (image)[image-458.png]
q299
None
1
A
['(1) (image)[image-454.png]', '(2) (image)[image-455.png]', '(3) (image)[image-456.png]', '(4) (image)[image-457.png]']
alphabetic
high
en
chemistry
natural-science
Calibri
black
ordered
The diagrams below represent two types of cells, an animal cell and a plant cell. Animal Cell (image)[image-459.png] Plant Cell (image)[image-460.png] Which type of cell uses energy to carry out life processes?
q300
None
3
C
['(1) plant cell, only', '(2) animal cell, only', '(3) both a plant cell and an animal cell', '(4) neither a plant cell nor an animal cell']
alphabetic
mid
en
science
natural-science
Times New Roman
black
ordered
A diagram representing the levels of organization within an organism is shown below. (image)[image-461.png] (not drawn to scale) Which level of organization is identifi ed by X?
q301
None
2
2
['(1) cell', '(2) tissue', '(3) organ', '(4) organ system']
numeric
mid
en
science
natural-science
Times New Roman
black
ordered
The diagram below represents the life cycle of a butterfl y. (image)[image-463.png] (Not drawn to scale) This life cycle represents the process of
q303
None
3
3
['(1) separation from parent', '(2) asexual reproduction', '(3) metamorphosis', '(4) extinction']
numeric
mid
en
science
natural-science
Courier New
black
ordered
The diagram below represents a pedigree chart. (image)[image-464.png] Which type of information is organized by this chart?
q304
None
4
4
['(1) energy flow in an ecosystem', '(2) population growth for pea plants', '(3) the number of chromosomes in an organism', '(4) the passing of a trait from one generation to another']
numeric
mid
en
science
natural-science
Times New Roman
black
ordered
How much total energy is contained in a single serving of this cereal with a $\frac{1}{2}$ cup of fat-free milk?
q305
None
4
4
['(1) 10 Calories', '(2) 40 Calories', '(3) 190 Calories', '(4) 230 Calories']
numeric
mid
en
science
natural-science
Arial
black
ordered
One nutrient that is obtained only when milk is added to the cereal is
q306
None
3
C
['(1) niacin', '(2) cholesterol', '(3) sodium', '(4) phosphorus']
alphabetic
mid
en
science
natural-science
Courier New
black
ordered
The sign below was posted near a lake. (image)[image-466.png] Which environmental problem is most likely indicated by the sign?
q307
None
1
1
['(1) toxic waste', '(2) global warming', '(3) ozone depletion', '(4) species extinction']
numeric
mid
en
science
natural-science
Calibri
black
ordered
Which weather instrument is used to measure wind speed? (not drawn to scale)
q308
None
1
1
['(1) (image)[image-467.png]\nAnemometer', '(2) (image)[image-468.png]\nBarometer', '(3) (image)[image-469.png]\nWeather vane', '(4) (image)[image-470.png]\nRain gauge']
numeric
mid
en
science
natural-science
Times New Roman
black
ordered
Which graph best represents the percentage of the lighted side of the Moon that can be seen by an observer in the northern hemisphere when the Moon is at the positions shown?
q309
None
4
4
['(1) (image)[image-472.png]', '(2) (image)[image-473.png]', '(3) (image)[image-474.png]', '(4) (image)[image-475.png]']
numeric
mid
en
science
natural-science
Calibri
black
ordered
Approximately how long does it take for an observer on Earth to view a complete cycle of Moon phases?
q310
None
3
3
['(1) 12 hours', '(2) 24 hours', '(3) 1 month', '(4) 1 year']
numeric
mid
en
science
natural-science
Times New Roman
black
ordered
The diagram below represents a flashlight that has been turned on. (image)[image-476.png] Which form of energy is being converted to electrical energy by the batteries in the flashlight?
q311
None
1
A
['(1) chemical', '(2) nuclear', '(3) solar', '(4) sound']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
The graph below shows the change in ozone concentration with altitude in Earth’s atmosphere. The data table below shows the average height range above sea level, in kilometers (km), for the different layers of Earth’s atmosphere. Ozone Concentration vs. Altitude in Earth’s Atmosphere (image)[image-477.png] Data Table...
q312
None
1
1
['(1) middle stratosphere', '(2) lower stratosphere', '(3) upper troposphere', '(4) lower troposphere']
numeric
mid
en
science
natural-science
Courier New
black
ordered
The cross section below represents a plunge pool that formed at the bottom of a waterfall. (image)[image-478.png] The plunge pool at the bottom of the waterfall was formed mainly by
q313
None
4
D
['(1) deposition', '(2) evaporation', '(3) precipitation', '(4) erosion']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
The diagram below represents a Lystrosaurus. Lystrosaurus was an herbivore that lived on land about 250 million years ago. Fossils of this dinosaur have been discovered on the widely separated continents of Africa and South America. (image)[image-479.png] Which statement best explains why Lystrosaurus fossils are fou...
q314
None
2
2
['(1) This dinosaur could fly to distant locations.', '(2) Both continents were once joined together.', '(3) Predators transported the remains of this dinosaur between continents.', '(4) Glaciers transported the fossils to the two continents.']
numeric
mid
en
science
natural-science
Verdana
black
ordered
The block diagram below represents a displaced rock structure. (image)[image-480.png] Which process was responsible for the displacement of the horizontal rock layers?
q315
None
2
B
['(1) folding', '(2) faulting', '(3) tilting', '(4) weathering']
alphabetic
mid
en
science
natural-science
Times New Roman
black
ordered
The diagram below represents a portion of the Periodic Table of the Elements. Portion of the Periodic Table of the Elements (image)[image-481.png] Based on its position in the Periodic Table, at room temperature, cadmium is most likely a
q316
None
3
3
['(1) noble gas', '(2) nonmetal', '(3) metal']
numeric
mid
en
science
natural-science
Arial
black
ordered
The model below represents a molecule of ammonia gas. Model of a Molecule of Ammonia Gas (image)[image-482.png] Ammonia gas would be classified as
q317
None
1
A
['(1) a compound', '(2) a mixture', '(3) an element', '(4) an atom']
alphabetic
mid
en
science
natural-science
Arial
black
ordered
The diagram below represents a person using a wheelbarrow to move a heavy load of soil. (image)[image-484.png] Which two simple machines are parts of the wheelbarrow?
q319
None
2
B
['(1) a lever and a pulley', '(2) a lever and a wheel and axle', '(3) an inclined plane and a pulley', '(4) an inclined plane and a wheel and axle']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
The diagram below represents the rock cycle. Rock Cycle in Earth’s Crust (image)[image-485.png] According to this diagram, metamorphic rock is formed by
q320
None
4
D
['(1) melting and solidification', '(2) burial and compaction', '(3) weathering and erosion', '(4) heat and/or pressure']
alphabetic
mid
en
science
natural-science
Times New Roman
black
ordered
The scatter plot below shows the relationship between the number of members in a family and the amount of the family’s weekly grocery bill. (image)[image-486.jpg] The most appropriate prediction of the grocery bill for a family that consists of six members is
q321
None
2
B
['(1) $100', '(2) $300', '(3) $400', '(4) $500']
alphabetic
high
en
algebra1
math
Times New Roman
black
ordered
Which relation does not represent a function?
q322
None
4
4
['(1)\n$x$ | 1 | 2 | 3 | 4 | 5 | 6\n$y$ | 3.2 | 4 | 5.1 | 6 | 7.4 | 8.8', '(2) (image)[image-487.jpg]', '(3) $y = 3\\sqrt{x + 1} - 2$', '(4) (image)[image-488.jpg]']
numeric
high
en
algebra1
math
Courier New
black
ordered
The function $f(x)$ is graphed below. (image)[image-490.jpg] The domain of this function is
q324
None
4
4
['(1) all positive real numbers', '(2) all positive integers', '(3) $x ≥ 0$', '(4) $x ≥ -1$']
numeric
high
en
algebra1
math
Calibri
black
ordered
The functions $f(x)$, $q(x)$, and $p(x)$ are shown below. (image)[image-491.jpg] $q(x) = (x - 1)^{2} - 6$ $x$ | $p(x)$ 2 | 5 3 | 4 4 | 3 5 | 4 6 | 5 When the input is 4, which functions have the same output value?
q325
None
4
4
['(1) $f(x)$ and $q(x)$, only', '(2) $f(x)$ and $p(x)$, only', '(3) $q(x)$ and $p(x)$, only', '(4) $f(x)$, $q(x)$, and $p(x)$']
numeric
high
en
algebra1
math
Calibri
black
ordered
Given the formula for a compound: (image)[image-492.jpg] What is a chemical name for this compound?
q326
None
3
C
['(1) 1-butanamide', '(2) 4-butanamide', '(3) 1-butanamine', '(4) 4-butanamine']
alphabetic
high
en
chemistry
natural-science
Times New Roman
black
ordered
The diagram below shows stages of human reproduction. (image)[image-493.png] The direct result of fertilization is represented at
q327
None
3
3
['(1) A', '(2) B', '(3) C', '(4) D']
numeric
high
en
environment
natural-science
Calibri
(138, 138, 138)
ordered
The diagram below shows how a chemical message produced by one cell is received by other cells. (image)[image-494.png] If these chemical messages are destroyed, the target cells will
q328
None
2
2
['(1) produce their own chemical messages', '(2) not respond with appropriate actions', '(3) develop different receptors', '(4) no longer be produced in the organism']
numeric
high
en
environment
natural-science
Times New Roman
black
ordered
The diagram below represents a cross section of a leaf of a green plant, showing an opening (stomate) in the lower surface. Structure of a Leaf (image)[image-495.png] A stomate in the lower surface of the leaf has a function most similar to the function of which cell structure?
q329
None
1
1
['(1) cell membrane', '(2) vacuole', '(3) ribosome', '(4) nucleus']
numeric
high
en
environment
natural-science
Calibri
(43, 43, 43)
ordered
The diagram below represents a structure found in most cells. (image)[image-496.png] The section labeled A in the diagram is most likely a
q330
None
3
3
['(1) protein composed of folded chains of base subunits', '(2) biological catalyst', '(3) part of a gene for a particular trait', '(4) chromosome undergoing a mutation']
numeric
high
en
environment
natural-science
Courier New
black
ordered
The number in each circle below represents the chromosome number of the cell. Which diagram represents the production of offspring by an asexually reproducing organism?
q331
None
3
C
['(1) (image)[image-497.png]', '(2) (image)[image-498.png]', '(3) (image)[image-499.png]', '(4) (image)[image-500.png]']
alphabetic
high
en
environment
natural-science
Calibri
black
ordered
The arrows in the diagram below indicate the development of four different varieties of vegetable plants from wild mustard. (image)[image-501.png] Each of these varieties was most likely produced as a result of
q332
None
4
4
['(1) asexual reproduction in the wild for many years', '(2) changes in light availability', '(3) competition between plants', '(4) selective breeding over many generations']
numeric
high
en
environment
natural-science
Arial
black
ordered
A diagram of evolutionary pathways of various animal species is shown below. (image)[image-502.png] The pattern of these evolutionary pathways is most likely the result of alterations within which structure?
q333
None
3
3
['(1) vacuole', '(2) cell membrane', '(3) nucleus', '(4) ribosome']
numeric
high
en
environment
natural-science
Arial
black
ordered
The diagram below represents levels of organization within a cell of a multicellular organism. (image)[image-503.png] Which statement is correct regarding the structure represented by X?
q334
None
2
2
['(1) Structure X is composed of many different amino acids that determine the type of cell it will become in the organism.', '(2) Structure X has the same base sequence in all the body cells of the organism.', '(3) Structure X is a folded chain arrangement of carbohydrate found in all the body cells of the organism.',...
numeric
high
en
environment
natural-science
Calibri
black
ordered
The diagram below represents the human male reproductive system. (image)[image-504.png] Which activity would be prevented by blockages at X and Y?
q335
None
3
C
['(1) transport of urine out of the body', '(2) passage of testosterone to the female to stimulate egg production', '(3) movement of sperm out of the body', '(4) movement of testosterone to the testes to stimulate sperm production']
alphabetic
high
en
environment
natural-science
Courier New
black
ordered
The diagram below represents a process that occurs during normal human development. (image)[image-505.png] Which statement is correct regarding the cells and DNA?
q336
None
1
A
['(1) All the cells have identical DNA.', '(2) The DNA of the fertilized egg differs from the DNA of all the other cells.', '(3) The DNA of the fertilized egg differs from some, but not all, of the other cells.', '(4) Only the fertilized egg contains DNA.']
alphabetic
high
en
environment
natural-science
Verdana
black
ordered
Activities in the human body are represented in the diagram below. (image)[image-506.png] (Not drawn to scale) Source: Campbell and Reece, Biology, 6th edition (adapted) Which title would be appropriate for the diagram?
q337
None
2
2
['(1) Rate of Excretion Varies in Response to Amount of Water Taken In', '(2) Feedback Mechanisms Help to Maintain Homeostasis', '(3) Respiratory Rate Responds to an Increase in Muscle Activity', '(4) The Nervous System Responds to Changes in Blood Sugar Levels']
numeric
high
en
environment
natural-science
Times New Roman
black
ordered
In a particular ecosystem, squirrels make up a large portion of the diet of coyotes. A fatal disease in the squirrel population begins to reduce their population over a period of months. Which graph best represents the expected changes in population size of the coyotes and the squirrels? (image)[image-511.png]
q338
None
2
2
['(1) (image)[image-507.png]', '(2) (image)[image-508.png]', '(3) (image)[image-509.png]', '(4) (image)[image-510.png]']
numeric
high
en
environment
natural-science
Calibri
black
ordered
Part of a molecule found in cells is represented below. (image)[image-513.png] Which process is most directly affected by the arrangement of components 1 through 4?
q340
None
3
C
['(1) diffusion through cell membranes', '(2) fertilization of a sex cell', '(3) sequencing of amino acids in cells', '(4) increasing the number of cells in an organism']
alphabetic
high
en
environment
natural-science
Courier New
black
ordered
The daphnia shown below has produced three egg cells, eats live single-celled organisms, lives in freshwater, and is caught and eaten by animals known as hydra. (image)[image-516.png] Which terms would most likely be used in a description of this organism?
q343
None
2
B
['(1) asexual reproduction, herbivore, prey, aquatic, heterotrophic', '(2) sexual reproduction, predator, aquatic, heterotrophic, prey', '(3) asexual reproduction, autotrophic, predator, terrestrial, scavenger', '(4) sexual reproduction, carnivore, aquatic, autotrophic, prey']
alphabetic
high
en
environment
natural-science
Verdana
black
ordered
Changes in a deer population are shown in the graph below. Changes in a Deer Population (image)[image-517.png] Which statement best explains section X?
q344
None
1
1
['(1) The population has reached the carrying capacity of its environment.', '(2) Energy is used for interbreeding between members of different species.', '(3) A predator recycles the remains of dead organisms.', '(4) Competition does not occur between members of different species in the same habitat.']
numeric
high
en
environment
natural-science
Arial
black
ordered
The diagram below shows various ecological communities that occupied an area over a period of 300 years. (image)[image-518.png] Which statement best describes the diagram?
q345
None
4
D
['(1) Community A is the most stable community.', '(2) Community B replaced community C after a period of 100 years.', '(3) Community C developed into community A after a period of 75 years.', '(4) Community D modified the environment, making it more suitable for community E.']
alphabetic
high
en
environment
natural-science
Arial
black
ordered
A decrease in the grass population will most immediately decrease the available energy for the
q347
None
1
1
['(1) mouse', '(2) hawk', '(3) snake', '(4) frog']
numeric
high
en
environment
natural-science
Courier New
black
ordered
The diagram below shows two different kinds of substances, A and B, entering a cell. (image)[image-520.png] ATP is most likely being used for
q348
None
1
1
['(1) substance A to enter the cell', '(2) substance B to enter the cell', '(3) both substances to enter the cell', '(4) neither substance to enter the cell']
numeric
high
en
environment
natural-science
Calibri
(138, 138, 138)
ordered
A biological process that occurs in plants is represented below. (image)[image-521.png] Which row in the chart below identifies the lettered substances in this process?
q349
None
2
2
['(1)\nRow | A | B | C | D\n | enzymes | oxygen | carbon dioxide | glucose', '(2)\nRow | A | B | C | D\n | carbon dioxide | glucose | oxygen | enzymes', '(3)\nRow | A | B | C | D\n | glucose | enzymes | oxygen | dioxide', '(4)\nRow | A | B | C | D\n | oxygen | glucose | carbon dioxide | enzymes']
numeric
high
en
environment
natural-science
Arial
black
ordered
Which statement best describes the role of gametocytes in the spread of malaria?
q350
None
4
D
['(1) They give off a scent that attracts infected mosquitoes.', '(2) They absorb human body scents that attract mosquitoes.', '(3) They release a scent into the human body.', '(4) They cause a chemical reaction that alters human scent.']
alphabetic
high
en
environment
natural-science
Verdana
(138, 138, 138)
ordered
Malaria is easily spread because uninfected mosquitoes are attracted to
q351
None
2
2
['(1) humans without malaria', '(2) humans infected with gametocytes', '(3) gametocytes in other mosquitoes', '(4) mosquitoes that are uninfected']
numeric
high
en
environment
natural-science
Calibri
black
ordered
The graph below shows the effect of substrate concentration on the action of enzyme X. This enzyme is functioning at its optimal temperature, 36°C, and at its optimal pH, 5.5. Effect of Substrate Concentration on the Rate of Enzyme Action (image)[image-523.png] When the substrate concentration increases from 0.4% to ...
q352
None
3
C
['(1) decreases', '(2) increases', '(3) remains the same', '(4) increases, then decreases']
alphabetic
high
en
environment
natural-science
Verdana
black
ordered
Part of a laboratory procedure is shown in the diagram below. (image)[image-524.png] This setup would most likely be involved in a procedure to
q353
None
2
B
['(1) stain specimens while making a wet mount', '(2) test for the presence of glucose using an indicator', '(3) separate pigments in a mixture', '(4) determine the pH of solutions']
alphabetic
high
en
environment
natural-science
Calibri
black
ordered
The diagram below represents a box sliding down an incline at constant velocity. (image)[image-525.jpg] Which arrow represents the direction of the frictional force acting on the box?
q354
None
4
D
['(1) A', '(2) B', '(3) C', '(4) D']
alphabetic
high
en
physics
natural-science
Arial
black
ordered
Which diagram represents the directions of the velocity, v, and acceleration, a, of a toy car as it moves in a clockwise, horizontal, circular path at a constant speed?
q355
None
1
1
['(1) (image)[image-526.jpg]', '(2) (image)[image-527.jpg]', '(3) (image)[image-528.jpg]', '(4) (image)[image-529.jpg]']
numeric
high
en
physics
natural-science
Courier New
black
ordered
An electric circuit contains a battery, three lamps, and an open switch, as represented in the diagram below. (image)[image-530.jpg] When the switch is open, there is an electric current in
q356
None
1
A
['(1) lamp I, only', '(2) lamps II and III, only', '(3) lamps I, II, and III', '(4) none of the lamps']
alphabetic
high
en
physics
natural-science
Calibri
black
ordered
Which diagram correctly represents an electric field?
q357
None
1
1
['(1) (image)[image-531.jpg]', '(2) (image)[image-532.jpg]', '(3) (image)[image-533.jpg]', '(4) (image)[image-534.jpg]']
numeric
high
en
physics
natural-science
Arial
black
ordered
Which points on the wave diagram below are 90° out of phase with each other? (image)[image-535.jpg]
q358
None
4
4
['(1) A and E', '(2) B and C', '(3) C and D', '(4) D and E']
numeric
high
en
physics
natural-science
Verdana
(43, 43, 43)
ordered
The diagram below represents a 3.0-ohm resistor connected to a 12-volt battery. Meters X and Y are correctly connected in the circuit. (image)[image-536.jpg] What are the readings on the meters?
q359
None
4
4
['(1) X = 12 V and Y = 0.25 A', '(2) X = 12 V and Y = 4.0 A', '(3) X = 0.25 A and Y = 12 V', '(4) X = 4.0 A and Y = 12 V']
numeric
high
en
physics
natural-science
Calibri
black
ordered
Which pair of graphs represents the vertical motion of an object falling freely from rest?
q360
None
2
B
['(1) (image)[image-537.jpg]', '(2) (image)[image-538.jpg]', '(3) (image)[image-539.jpg]', '(4) (image)[image-540.jpg]']
alphabetic
high
en
physics
natural-science
Verdana
black
ordered
An object is thrown straight upward. Which graph best represents the relationship between the object’s kinetic energy and the height of the object above its release point? [Neglect friction.]
q361
None
1
A
['(1) (image)[image-541.jpg]', '(2) (image)[image-542.jpg]', '(3) (image)[image-543.jpg]', '(4) (image)[image-544.jpg]']
alphabetic
high
en
physics
natural-science
Calibri
black
ordered
In the diagram below, X represents a particle in a spring. (image)[image-549.jpg] Which diagram represents the motion of particle X as a longitudinal wave passes through the spring toward the right?
q362
None
2
B
['(1) (image)[image-545.jpg]', '(2) (image)[image-546.jpg]', '(3) (image)[image-547.jpg]', '(4) (image)[image-548.jpg]']
alphabetic
high
en
physics
natural-science
Verdana
black
ordered
The horn of a car produces a sound wave of constant frequency. The car, traveling at constant speed, approaches, passes, and then moves away from a stationary observer. Which graph best represents the frequency of this sound wave detected by the observer during the time interval in which the car approaches, passes, and...
q364
None
3
3
['(1) (image)[image-555.jpg]', '(2) (image)[image-556.jpg]', '(3) (image)[image-557.jpg]', '(4) (image)[image-558.jpg]']
numeric
high
en
physics
natural-science
Times New Roman
black
ordered
The diagram below represents a human organ system. (image)[image-559.png] What is the function of this system?
q365
None
C
C
['(A) breakdown of food', '(B) production of sex cells', '(C) removal of dissolved wastes', '(D) coordination of body movement']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
The photograph below shows four different dogs. All four dogs belong to the same species. (image)[image-560.png] The significant differences between these four dogs were caused by humans. These differences are best explained by the process of
q366
None
B
B
['(A) biological adaptation', '(B) selective breeding', '(C) metamorphosis', '(D) regulation']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
Three birds are represented in the drawings below. (image)[image-561.png] (Not drawn to scale) Studying the beak of each of these birds would best help a scientist understand
q367
None
C
C
['(A) how the birds fly', '(B) where the birds live', '(C) what the birds eat', '(D) if the birds migrate']
alphabetic
mid
en
science
natural-science
Verdana
black
ordered
The graph below represents the extinction rate of invertebrates (animals without a backbone) over the last 600 million years. Extinction Rate of Invertebrates (image)[image-562.png] Based on the graph, it might be concluded that
q368
None
B
2
['(A) there were fewer extinctions 600 million years ago than at present', '(B) the greatest invertebrate extinction rate occurred about 450 million years ago', '(C) the most recent peak in extinction rate affected the largest number of groups', '(D) the five greatest invertebrate extinction rates occurred every 100 mi...
numeric
mid
en
science
natural-science
Verdana
black
ordered
Which process is represented by the diagram below? (image)[image-563.png] (Not drawn to scale)
q369
None
B
B
['(A) photosynthesis', '(B) metamorphosis', '(C) digestion', '(D) succession']
alphabetic
mid
en
science
natural-science
Calibri
black
ordered
The diagram below represents Earth’s interior divided into four layers, each with unique properties. (image)[image-564.png] (not drawn to scale) This model of Earth is based primarily on the
q370
None
B
2
['(A) study of ocean tides', '(B) analysis of earthquake waves', '(C) classification of volcanic eruptions', '(D) observation of meteor showers']
numeric
mid
en
science
natural-science
Courier New
black
ordered
Cross section 1 below represents deformed rock layers. Cross section 2 below represents the same location millions of years later. (image)[image-566.png] Which two factors are mainly responsible for changing the surface features shown in cross section 1 into the surface features shown in cross section 2?
q372
None
D
4
['(A) tilting and deposition', '(B) melting and evaporation', '(C) freezing and condensation', '(D) weathering and erosion']
numeric
mid
en
science
natural-science
Arial
black