MS Sample Set 10, Round 8 from NSB
What iron cofactor is found in the human respiratory pigment in blood?
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Sexual reproduction allows the rearrangement of alleles and the production of individuals with new or differing genotypes. Which of the following processes is a source of new genetic variation? W) Crossing over X) Independent assortment Y) Mutation Z) Fertilization
W: W) Crossing over
X: X) Independent assortment
Y: Y) Mutation
Z: Z) Fertilization
Answer: Y) Y) Mutation
Scientists in which of the following branches of Earth science are most likely to study air pressure? W) Astronomy X) Oceanography Y) Ecology Z) Meteorology
W: W) Astronomy
X: X) Oceanography
Y: Y) Ecology
Z: Z) Meteorology
Answer: Z) Z) Meteorology
Which of the following units is NOT a derived SI unit? W) Tesla X) Lux Y) Reciprocal meter Z) Kilogram
W: W) Tesla
X: X) Lux
Y: Y) Reciprocal meter
Z: Z) Kilogram
Answer: Z) Z) Kilogram
Identify all of the following three relationships between two lines that require the lines to be coplanar: 1) Parallel; 2) Intersecting; 3) Skew.
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How many prime numbers are less than 17?
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Which of the following is NOT an advantage of non-renewable energy sources? W) High output X) Low emissions Y) Existing infrastructure Z) Low cost
W: W) High output
X: X) Low emissions
Y: Y) Existing infrastructure
Z: Z) Low cost
Answer: X) X) Low emissions
In the northern hemisphere, in what direction should your solar panels face if you want peak energy production to mostly coincide with peak energy use? W) North X) South Y) East Z) West
W: W) North
X: X) South
Y: Y) East
Z: Z) West
Answer: Z) Z) West
What is the adjective for the type of chemical reaction that has a positive heat flow and shows an increase in enthalpy?
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Identify all of the following three quantities that are scalar: 1) Displacement; 2) Energy; 3) Weight.
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In what geologic era are we currently living?
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Most asteroids in the inner solar system are located in the main asteroid belt, which lies between the orbits of what two planets?
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Which of the following sectors in the United States consumes the most energy yearly? W) Residential X) Transportation Y) Industrial Z) Commercial
W: W) Residential
X: X) Transportation
Y: Y) Industrial
Z: Z) Commercial
Answer: Y) Y) Industrial
In a nuclear reactor, energy from uranium is used to heat what substance that is then passed to a turbine?
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The ozone hole over the Antarctic is located in what atmospheric layer? W) Thermosphere X) Stratosphere Y) Mesosphere Z) Exosphere
W: W) Thermosphere
X: X) Stratosphere
Y: Y) Mesosphere
Z: Z) Exosphere
Answer: X) X) Stratosphere
Identify all of the following three organisms that can be found at deep sea hydrothermal vents: 1) Cyanobacteria; 2) Tube worms; 3) Fish.
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In cubic feet, what is the volume of a right rectangular prism with dimensions of 2 ft by 4 ft by 8½ ft?
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If the ratio of the volumes of two similar circular cones is 216 to 125, what is the ratio of the radius of the larger cone to that of the smaller cone?
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Given no other information, which of the following nutrients would you expect to be in highest abundance in a field planted entirely with red clover? W) Phosphorus X) Potassium Y) Nitrogen Z) Iron
W: W) Phosphorus
X: X) Potassium
Y: Y) Nitrogen
Z: Z) Iron
Answer: Y) Y) Nitrogen
What hormone is secreted by the beta cells of the islets of Langerhans?
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Which of the following best describes measurable or numerical data? W) Replicable X) Subjective Y) Qualitative Z) Quantitative
W: W) Replicable
X: X) Subjective
Y: Y) Qualitative
Z: Z) Quantitative
Answer: Z) Z) Quantitative
What is the SI base unit for electrical current?
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A photon of red light and a photon of green light are traveling in a vacuum. Which of the following is identical for the two photons? W) Frequency X) Energy Y) Wavelength Z) Speed
W: W) Frequency
X: X) Energy
Y: Y) Wavelength
Z: Z) Speed
Answer: Z) Z) Speed
If a particle has a mass of 2 mg and is moving at a speed of 500 m/s, what is its kinetic energy in joules?
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What mineral is the primary constituent of the rock limestone?
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Identify all of the following three processes that are examples of mass wasting: 1) Seiches; 2) Heaves; 3) Rockfalls.
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Which of the following is true about the forces acting upon the system of you and a bicycle as you pedal the bike at a constant velocity in a horizontal straight line? W) The force you are exerting on the pedal is greater than the resisting forces X) All forces are in balance, with the net force equal to zero Y) The resisting forces of air and tire friction are less than the force you are exerting Z) The resisting forces are greater than the force you are exerting
W: W) The force you are exerting on the pedal is greater than the resisting forces
X: X) All forces are in balance, with the net force equal to zero
Y: Y) The resisting forces of air and tire friction are less than the force you are exerting
Z: Z) The resisting forces are greater than the force you are exerting
Answer: X) X) All forces are in balance, with the net force equal to zero
A particle has potential energy defined by the equation $\displaystyle U = 6x^3$ joules, where $x$ is in meters. What is the force, in newtons, on the particle at $x = 1$ m?
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Which of the following is least likely to threaten biodiversity? W) Habitat loss X) Introduction of new species Y) Overexploitation of resources Z) Increased ecotourism
W: W) Habitat loss
X: X) Introduction of new species
Y: Y) Overexploitation of resources
Z: Z) Increased ecotourism
Answer: Z) Z) Increased ecotourism
What type of virus contains RNA, but converts it into DNA in order to become integrated into the host genome?
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What is the range of the function $y = \sqrt{x}$? W) All real numbers X) All real numbers greater than zero Y) All real numbers greater than or equal to zero Z) All real numbers less than or equal to zero
W: W) All real numbers
X: X) All real numbers greater than zero
Y: Y) All real numbers greater than or equal to zero
Z: Z) All real numbers less than or equal to zero
Answer: Y) Y) All real numbers greater than or equal to zero
Eight angles are formed when two coplanar lines are cut by a transversal. Identify all of the following four types of pairs of these angles that must be congruent: 1) Alternate interior; 2) Alternate exterior; 3) Corresponding; 4) Vertical.
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Which of the following is closest to the percentage of electricity consumption in the US that is currently met by geothermal energy? W) Less than one percent X) 2 Y) 5 Z) 10
W: W) Less than one percent
X: X) 2
Y: Y) 5
Z: Z) 10
Answer: W) W) Less than one percent
Rather than corn, bioethanol in Brazil is produced primarily from what crop?
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In the medical community, to whom is a placebo given? W) Control group X) Constant group Y) Dependent group Z) Double-blind group
W: W) Control group
X: X) Constant group
Y: Y) Dependent group
Z: Z) Double-blind group
Answer: W) W) Control group
The quadrants of a Cartesian plane with the usual orientation of $x$- and $y$-axes are labeled with the Roman numerals 1, 2, 3, and 4. How are the labels arranged? W) With 1 in the upper left quadrant and progressing clockwise X) With 1 in the upper right quadrant and progressing clockwise Y) With 1 in the upper left quadrant and progressing counterclockwise Z) With 1 in the upper right quadrant and progressing counterclockwise
W: W) With 1 in the upper left quadrant and progressing clockwise
X: X) With 1 in the upper right quadrant and progressing clockwise
Y: Y) With 1 in the upper left quadrant and progressing counterclockwise
Z: Z) With 1 in the upper right quadrant and progressing counterclockwise
Answer: Z) Z) With 1 in the upper right quadrant and progressing counterclockwise
What is 40% of 20 plus 40% of 80?
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Two triangles are similar with scale factor $3/4$. If the area of the larger triangle is 48, what is the area of the smaller triangle?
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To the nearest power of 10, how many stars are in our solar system?
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Which of the following is closest to the number of years that dinosaurs were in existence? W) 1.6 million X) 16 million Y) 160 million Z) 1.6 billion
W: W) 1.6 million
X: X) 16 million
Y: Y) 160 million
Z: Z) 1.6 billion
Answer: Y) Y) 160 million
Who was the first scientist to provide a mathematical formula for calculating the gravitational force between two bodies?
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Andy is driving a car and has a reaction time of 0.5 seconds. He is driving at a constant speed of 20 m/s when he sees a deer 50 m in front of him. If he decelerates at a rate of 6 m/s², how far away, to the nearest meter, from the deer will he stop? W) 1 X) 3 Y) 5 Z) 7
W: W) 1
X: X) 3
Y: Y) 5
Z: Z) 7
Answer: Z) Z) 7
What type of genes disrupt cell growth, causing uncontrolled proliferation?
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Which of the following has been most greatly and directly altered by human activity in the biosphere? W) Chemical cycling X) Plate tectonics Y) Wind patterns Z) Insect reproduction
W: W) Chemical cycling
X: X) Plate tectonics
Y: Y) Wind patterns
Z: Z) Insect reproduction
Answer: W) W) Chemical cycling
Simplify the fraction with numerator 14 minus 28 and denominator 7.
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A rhombus has sides of length 8 and smallest angle of 60 degrees. What is its area?
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