MS Sample Set 10, Round 4 from NSB
Which of the following best describes a scientific law? W) A proposed explanation for a narrow set of phenomena X) Broad explanations for a wide range of phenomena Y) A statement that is verified by observation and describes how phenomena are related Z) An opinion based on observations of phenomena
W: W) A proposed explanation for a narrow set of phenomena
X: X) Broad explanations for a wide range of phenomena
Y: Y) A statement that is verified by observation and describes how phenomena are related
Z: Z) An opinion based on observations of phenomena
Answer: Y) Y) A statement that is verified by observation and describes how phenomena are related
What does a paleoclimatologist study?
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What type of energy is generally thought of as the energy of movement?
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A pen weighing 1 newton is thrown into the air. At the top of its flight, what is the net force, in newtons, on the pen?
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How many real solutions are there to the equation $$2x^2 - 3x + 4 = 0$$?
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At the Hamburger Den, John sold $$m + 17$$ hamburgers on Saturday. Jenny sold $$3m - 7$$ hamburgers. If Jenny sold more hamburgers than John, what is the smallest possible value of $$m$$?
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The Colorado River carved what well-known steep-sided landform in the United States?
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What layer of the Earth lies directly beneath the tectonic plates? W) Core X) Asthenosphere Y) Crust Z) Lithosphere
W: W) Core
X: X) Asthenosphere
Y: Y) Crust
Z: Z) Lithosphere
Answer: X) X) Asthenosphere
In comparison to sexual reproduction, asexual reproduction produces which of the following? W) Less genetic variation among offspring X) Smaller offspring Y) Fewer offspring Z) More genetic variation among offspring
W: W) Less genetic variation among offspring
X: X) Smaller offspring
Y: Y) Fewer offspring
Z: Z) More genetic variation among offspring
Answer: W) W) Less genetic variation among offspring
Which of the following energy conversions takes place during photosynthesis? W) Light energy to mechanical energy X) Chemical energy to mechanical energy Y) Light energy to chemical energy Z) Light energy to mechanical energy to chemical energy
W: W) Light energy to mechanical energy
X: X) Chemical energy to mechanical energy
Y: Y) Light energy to chemical energy
Z: Z) Light energy to mechanical energy to chemical energy
Answer: Y) Y) Light energy to chemical energy
Electricity used to power a home in the United States is sold by what unit? W) Kilojoule X) Kilojoule per hour Y) Kilowatt Z) Kilowatt hour
W: W) Kilojoule
X: X) Kilojoule per hour
Y: Y) Kilowatt
Z: Z) Kilowatt hour
Answer: Z) Z) Kilowatt hour
Light water nuclear reactors use primarily what element isotope as a fuel for fission?
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What is the chemical formula of the mineral quartz?
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A lunar eclipse can only happen during which of the following? W) New moon X) First quarter Y) Full moon Z) Third quarter
W: W) New moon
X: X) First quarter
Y: Y) Full moon
Z: Z) Third quarter
Answer: Y) Y) Full moon
Which of the following types of scientists studies celestial bodies? W) Astronomer X) Astrologist Y) Astronaut Z) Exobiologist
W: W) Astronomer
X: X) Astrologist
Y: Y) Astronaut
Z: Z) Exobiologist
Answer: W) W) Astronomer
Which of the following is NOT a type of sampling used by field scientists? W) Systematic sampling X) Stratified random sampling Y) Nested sampling Z) Null sampling
W: W) Systematic sampling
X: X) Stratified random sampling
Y: Y) Nested sampling
Z: Z) Null sampling
Answer: Z) Z) Null sampling
What is the name for the large green complex organelles that perform photosynthesis and are typically found in plant cells and algae? W) Lysosomes X) Cytosol Y) Chlorophyll Z) Chloroplasts
W: W) Lysosomes
X: X) Cytosol
Y: Y) Chlorophyll
Z: Z) Chloroplasts
Answer: Z) Z) Chloroplasts
Which of the following is NOT a characteristic of bacteria? W) Single-celled X) Prokaryotic Y) Contain nuclei Z) Lack membrane bound organelles
W: W) Single-celled
X: X) Prokaryotic
Y: Y) Contain nuclei
Z: Z) Lack membrane bound organelles
Answer: Y) Y) Contain nuclei
What is $$2^3 - 3^2$$?
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What is the area of an equilateral triangle with sides of length 8?
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What specific fuel is predominantly used in modern blast furnaces?
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In 1997, the United Nations negotiated a treaty to reduce greenhouse gas emissions from industrialized countries. What is the name of this treaty?
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A lightbulb can be modeled as a heat-dependent version of what type of electrical circuit component?
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If the diameter of a doorknob is 10 centimeters and the radius of the axle is 1.25 centimeters, what is the mechanical advantage?
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What is the category of vehicles that can run on a mixture of up to 85% ethanol in gasoline? W) Plug-in X) Hybrid Y) Flexible fuel Z) Mixed fuel
W: W) Plug-in
X: X) Hybrid
Y: Y) Flexible fuel
Z: Z) Mixed fuel
Answer: Y) Y) Flexible fuel
You have decided to build a biomass plant that will use waste from the corn harvest. Which of the following would be the best place to build your plant? W) California–Nevada border X) Pennsylvania–New York border Y) Iowa–Illinois border Z) Ohio–Kentucky border
W: W) California–Nevada border
X: X) Pennsylvania–New York border
Y: Y) Iowa–Illinois border
Z: Z) Ohio–Kentucky border
Answer: Y) Y) Iowa–Illinois border
Which of the following is the best reason that snakes do not reproduce with worms? W) Temporal isolation X) Habitat isolation Y) Behavioral isolation Z) Mechanical isolation
W: W) Temporal isolation
X: X) Habitat isolation
Y: Y) Behavioral isolation
Z: Z) Mechanical isolation
Answer: Z) Z) Mechanical isolation
What term is used to describe the developmental course of an organism from fertilization to maturity?
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The cesium atom is used to define which of the following SI units? W) Meter X) Gram Y) Second Z) Lumen
W: W) Meter
X: X) Gram
Y: Y) Second
Z: Z) Lumen
Answer: Y) Y) Second
In physics, what does the acronym "laser" stand for?
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Which of the following are the two types of glaciers? W) Terrestrial and marine X) Drumlin and moraine Y) Alpine and continental Z) Divergent and convergent
W: W) Terrestrial and marine
X: X) Drumlin and moraine
Y: Y) Alpine and continental
Z: Z) Divergent and convergent
Answer: Y) Y) Alpine and continental
What planet in the inner solar system has exactly 2 natural satellites that are thought to be captured asteroids?
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If the perimeter of a triangle is 48 centimeters, and the lengths of two of its sides are 14 and 13 centimeters, find the length of the third side, in centimeters.
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Six marbles marked one through six are placed into a bag, and you draw two of them at random. What is the probability that the two marbles you draw are marked 5 and 3?
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The frequency of alternating current from an electric power plant is measured in cycles per second. What is the name of the unit for this measurement?
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What two common safety devices are used to cut off the electrical supply if the current becomes too great for the device being powered?
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Identify all of the following three objects that can be affected by gravity: 1) A human; 2) A planet; 3) A ray of light.
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What is the term for a solution containing more dissolved material than would be possible at normal conditions?
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What acid is produced from pyruvic acid in muscles during strenuous exercise?
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Estuaries, like wetlands, are extremely productive in terms of biotic factors. What is the main source of the nutrients that facilitate the metabolic processes necessary for this productivity? W) The river X) The sea Y) The soil in the estuary Z) The living organisms
W: W) The river
X: X) The sea
Y: Y) The soil in the estuary
Z: Z) The living organisms
Answer: W) W) The river
Which of the following features is most likely to occur in deserts after heavy rainfall? W) Ephemeral streams X) Riparian corridors Y) Desert pavement Z) Alluvial fan
W: W) Ephemeral streams
X: X) Riparian corridors
Y: Y) Desert pavement
Z: Z) Alluvial fan
Answer: W) W) Ephemeral streams
Which of the following prevailing wind belts is most affected by El Niño? W) North polar easterlies X) South polar easterlies Y) Midlatitude westerlies Z) Trade winds
W: W) North polar easterlies
X: X) South polar easterlies
Y: Y) Midlatitude westerlies
Z: Z) Trade winds
Answer: Z) Z) Trade winds
Evaluate the following expression when $$b = 9$$: $$2b + b - 6$$.
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What is the volume in liters of a circular cylindrical container with a radius of 40 centimeters and a height of 1 meter?
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Which of the following best explains why the Northern and Southern Hemispheres of the earth have different seasons? W) The same face of the moon is always pointed towards the Earth X) The orbit of the moon is tilted 5° with respect to the Earth’s solar orbit Y) The Earth’s rotational axis is tilted 23° with respect to its solar orbit Z) The moon orbits the Earth in a direction opposite to the Earth’s rotation
W: W) The same face of the moon is always pointed towards the Earth
X: X) The orbit of the moon is tilted 5° with respect to the Earth’s solar orbit
Y: Y) The Earth’s rotational axis is tilted 23° with respect to its solar orbit
Z: Z) The moon orbits the Earth in a direction opposite to the Earth’s rotation
Answer: Y) Y) The Earth’s rotational axis is tilted 23° with respect to its solar orbit
Where are the atoms with largest atomic radii found on the periodic table? W) Upper left corner X) Upper right corner Y) Lower left corner Z) Lower right corner
W: W) Upper left corner
X: X) Upper right corner
Y: Y) Lower left corner
Z: Z) Lower right corner
Answer: Y) Y) Lower left corner