MS Sample Set 11, Round 17 from NSB
What hydrocarbon is the primary constituent of natural gas?
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What would be the cost, in cents, if you use a 2000-watt heater for two hours and electricity costs 10 cents per kilowatt-hour?
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DNA ligase is an enzyme that catalyzes which of the following reactions? W) Cutting phosphodiester bonds X) Cutting hydrogen bonds Y) Forming phosphodiester bonds Z) Forming hydrogen bonds
W: W) Cutting phosphodiester bonds
X: X) Cutting hydrogen bonds
Y: Y) Forming phosphodiester bonds
Z: Z) Forming hydrogen bonds
Answer: Y) Y) Forming phosphodiester bonds
Neurons have very stereotyped electro-physiological activity that behaves in an "all-or-none" pattern. What is the name of this activity?
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What is the sum, in degrees, of the interior angles of a regular heptagon? W) 540 X) 720 Y) 900 Z) 1080
W: W) 540
X: X) 720
Y: Y) 900
Z: Z) 1080
Answer: Y) Y) 900
The numerals for the counting numbers are written in order, beginning with 1. What is the 125th digit written?
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A 500-gram object is moving at 4 meters per second. What is its kinetic energy in joules?
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Which of the following elements has the highest first ionization energy? W) Calcium X) Phosphorus Y) Oxygen Z) Aluminum
W: W) Calcium
X: X) Phosphorus
Y: Y) Oxygen
Z: Z) Aluminum
Answer: Y) Y) Oxygen
Given that the function f(x) has a zero at x = 6, at what x-value must f(x + 2) have a zero? W) 3 X) 4 Y) 8 Z) 12
W: W) 3
X: X) 4
Y: Y) 8
Z: Z) 12
Answer: X) X) 4
Len takes 12 hours to clean a 40 by 50 room. Ben can clean the same room in 10 hours. To the nearest tenth of an hour, how long would it take them if they worked together?
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Pyrite is primarily composed of what two elements?
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The ocean conveyor belt is driven by which of the following? W) Wind and tectonic activities X) Thermohaline gradients and wind currents Y) Waves and tides Z) Tidal phases and the Earth's rotation
W: W) Wind and tectonic activities
X: X) Thermohaline gradients and wind currents
Y: Y) Waves and tides
Z: Z) Tidal phases and the Earth's rotation
Answer: X) X) Thermohaline gradients and wind currents
By definition, what is the octane number of heptane?
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If a wind turbine produces 400 kilowatts of electrical power at one wind speed, how much power, in kilowatts, will be produced if the wind speed decreases to one-half the original value? W) 20 X) 50 Y) 100 Z) 200
W: W) 20
X: X) 50
Y: Y) 100
Z: Z) 200
Answer: X) X) 50
How many faces does a quadrilateral prism have?
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A sequence has the property that every term starting with the third is the sum of the previous two terms. If the tenth term is 157 and the eighth term is 60, what is the sixth term?
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What scientist used Cepheid variables in order to propose that recession velocity is related to distance?
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Order the following four gases from most to least abundant in Earth's atmosphere: 1) Argon; 2) Nitrogen; 3) Helium; 4) Oxygen.
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What is the velocity, in meters per second to the nearest tenth, of a wave with wavelength 15 meters and frequency 0.3 hertz?
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A 300-gram mass is experiencing a constant force of 6 newtons. In meters per second squared, what is its acceleration?
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During what phase of the cell cycle do cells synthesize new DNA?
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Schwann cells are responsible for making what insulatory material in the peripheral nervous system?
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Which of the following is closest to the percentage of the total power radiated by the Sun incident on the Earth's atmosphere that is reflected or scattered before reaching the surface of the planet? W) 12 X) 23 Y) 34 Z) 45
W: W) 12
X: X) 23
Y: Y) 34
Z: Z) 45
Answer: Y) Y) 34
Rank the following types of vehicles in terms of increasing reliance on a battery to drive the vehicle: 1) Plug-in hybrid; 2) Clean diesel; 3) All-electric; 4) Hybrid.
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The product of 7 consecutive integers is 0. What is the smallest possible value of one of them?
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What is the area of a regular hexagon with sides of length 4?
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What scientist first measured the charge of the electron in his famous oil drop experiment?
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The tire on your unicycle is inflated to a pressure of 1.0 x 10^6 pascals. The total weight of you and your unicycle is 1000 newtons. What is the area of the tire, in square meters, that is in contact with the road when you are riding?
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Clementine, Lunar Prospector, and LCROSS were all space probes sent to verify the presence of what feature on the Moon? W) Water ice X) Helium-3 Y) Atmosphere Z) Magnetic field
W: W) Water ice
X: X) Helium-3
Y: Y) Atmosphere
Z: Z) Magnetic field
Answer: W) W) Water ice
Ring galaxies and tidal tails are both thought to result from what galactic phenomena? W) Formation of a supermassive black hole X) Collapse of spiral arms Y) Collision of multiple galaxies Z) Rotational dissolution
W: W) Formation of a supermassive black hole
X: X) Collapse of spiral arms
Y: Y) Collision of multiple galaxies
Z: Z) Rotational dissolution
Answer: Y) Y) Collision of multiple galaxies
What is the name for the outermost germ layer?
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What phylum contains sponges?
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What specific theory, proposed by Einstein, describes how masses warp space-time?
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A 10-liter flask containing an ideal gas at 4 atmospheres of pressure is connected with a 6-liter evacuated flask. What will be the final pressure, in atmospheres, in the 10-liter flask at equilibrium?
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A star’s spectral type is most related to which of its following properties? W) Mass X) Temperature Y) Luminosity Z) Distance
W: W) Mass
X: X) Temperature
Y: Y) Luminosity
Z: Z) Distance
Answer: X) X) Temperature
Which of the following best explains why most discovered meteorites are composed of iron? W) They are more common in the solar system X) They are more likely to cross Earth’s orbit Y) They survive weathering longer Z) They are brighter when falling to Earth
W: W) They are more common in the solar system
X: X) They are more likely to cross Earth’s orbit
Y: Y) They survive weathering longer
Z: Z) They are brighter when falling to Earth
Answer: Y) Y) They survive weathering longer
Which of the quadrants is NOT intersected by the line with equation y = –2x + 3?
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To the nearest unit, what is the volume of a sphere with radius 3?
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AIDS is a human syndrome caused by what virus?
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What is the name of the extinct animal from which modern birds are thought to have evolved?
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What is the mole percent of magnesium ions in 10 grams of magnesium oxide?
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During the complete combustion of methane, the oxidation number of the carbon changes from –4 to what?
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What human organ is composed of the duodenum, jejunum, and ileum?
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In humans, what connects the pharynx to the stomach?
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Hale-Bopp was discovered in 1995. Its solid, icy-conglomerate nucleus, long, dusty tail, and high orbital eccentricity and inclination, distinguishes it as what type of celestial object?
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Name all of the following four tectonic features that result from seafloor spreading: 1) Left lateral fault; 2) Right lateral fault; 3) Divergent plate boundary; 4) Normal fault.
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