MS Sample Set 5, Round 4 from NSB
At the surface of the Earth, the acceleration due to gravity is g. At an elevation of twice the Earth’s radius, which of the following best represents the acceleration due to gravity? W) g/4 X) g/9 Y) g/16 Z) g/25
W: W) g/4
X: X) g/9
Y: Y) g/16
Z: Z) g/25
Answer: X) X) g/9
Atlas and Hercules each lift 200 kilogram barbells off the ground. Atlas lifts his in 1 second and Hercules lifts his in 3 seconds. Which hero does more work?
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During what era in the geologic time scale did the majority of life exist in the Earth’s oceans?
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Providing your answer in degrees to the nearest tenth, what is the most northerly latitude at which the Sun can be seen directly overhead?
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How many joules of potential energy does a 1000-newton boulder have at the top of a 5-meter ledge, relative to the bottom of the ledge?
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A honeydew melon weighing 2 kilograms is flying through the air at 20 meters per second. How much kinetic energy in joules does it have?
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Which of the following kinds of power plants is BEST suited for peak load demands? W) Nuclear X) Coal-fired Y) Hydroelectric Z) Gas turbine
W: W) Nuclear
X: X) Coal-fired
Y: Y) Hydroelectric
Z: Z) Gas turbine
Answer: Z) Z) Gas turbine
What is the term for the difference in electric potential between the interior and exterior of a cell?
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Consider the graph of a normal distribution. To the nearest percent, what is the probability that a datum lies within two standard deviations of the mean?
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A city has an area of 250 square miles. If 14% is covered with trees, and a separate 11% is covered with water, providing your answer as a decimal to the nearest tenth, how many square miles are covered with trees or water?
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As Earth rotates, Ursa Major, Ursa Minor, and other constellations in the northern sky appear to circle around what star?
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With regard to the existence of life, which of the following ocean zones is the harshest? W) Hadal X) Neritic Y) Pelagic Z) Bathyal
W: W) Hadal
X: X) Neritic
Y: Y) Pelagic
Z: Z) Bathyal
Answer: W) W) Hadal
What is the net magnetic force on a compass needle?
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What is the average applied force in newtons required to keep a crate of apples moving if it takes 60 joules to move the crate 5 meters across a floor?
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The spectrum of electromagnetic energy emitted by a black body is determined by which of the following? W) Material X) Temperature Y) Size Z) A combination of material and size
W: W) Material
X: X) Temperature
Y: Y) Size
Z: Z) A combination of material and size
Answer: X) X) Temperature
Early 1800’s scientist Luke Howard first classified what natural atmospheric phenomenon?
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To the nearest integer, one horsepower is equal to how many watts?
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Which of the following is NOT true of plug-in hybrid electric vehicles? W) They can drive using only electricity for between 10 and 40 miles X) They are powered both by a battery and an internal combustion engine Y) Inductive charging equipment is systematically used to recharge the batteries Z) They mostly utilize lithium-ion batteries
W: W) They can drive using only electricity for between 10 and 40 miles
X: X) They are powered both by a battery and an internal combustion engine
Y: Y) Inductive charging equipment is systematically used to recharge the batteries
Z: Z) They mostly utilize lithium-ion batteries
Answer: Y) Y) Inductive charging equipment is systematically used to recharge the batteries
Of the following, which level of taxonomic classification is the most specific? W) Class X) Phylum Y) Family Z) Order
W: W) Class
X: X) Phylum
Y: Y) Family
Z: Z) Order
Answer: Y) Y) Family
Which cellular organelle is responsible for packaging and sending biosynthesized molecules from one cell to another?
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In a group of 30 students, 20 take French, 15 take Spanish, and 5 take neither language. How many students take both French and Spanish?
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Simplify the following expression completely if the denominator ≠ 0: \(\displaystyle \frac{x^3 + 2x^2y + xy^2}{x^2 + yx}\)
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Which of the following is NOT true about the black-footed ferret? W) They like to eat prairie dogs X) They neared total extinction in the 1980s Y) They like to live in groups Z) They have one to six young in a litter
W: W) They like to eat prairie dogs
X: X) They neared total extinction in the 1980s
Y: Y) They like to live in groups
Z: Z) They have one to six young in a litter
Answer: Y) Y) They like to live in groups
What is North America’s largest rodent?
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Which of the following statements is NOT true about radon? W) Radon comes from the natural decay of radium that is found in nearly all rocks and soils X) Radon migrates into homes through openings in floors and walls Y) Radon is the second leading cause of lung cancer in the United States Z) Radon exposure is greatest in homes with basements
W: W) Radon comes from the natural decay of radium that is found in nearly all rocks and soils
X: X) Radon migrates into homes through openings in floors and walls
Y: Y) Radon is the second leading cause of lung cancer in the United States
Z: Z) Radon exposure is greatest in homes with basements
Answer: Z) Z) Radon exposure is greatest in homes with basements
As of 2008, which of the following states has the highest net generation of energy from nuclear sources? W) New York X) Texas Y) Illinois Z) Ohio
W: W) New York
X: X) Texas
Y: Y) Illinois
Z: Z) Ohio
Answer: Y) Y) Illinois
How many lone pairs of electrons are in NH₃?
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Given g as 10 meters per second squared, how long, in seconds, will a pocket calculator travel upwards before starting to fall if thrown vertically with an initial velocity of 20 meters per second?
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Which of the following rock types is most likely to preserve fossils? W) Sandstone X) Shale Y) Marble Z) Slate
W: W) Sandstone
X: X) Shale
Y: Y) Marble
Z: Z) Slate
Answer: X) X) Shale
What two planets in our solar system do NOT have a moon?
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What is the smallest non-negative integer which is divisible by each of 2, 3 and 4?
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Providing your answer in terms of π and in square units, what is the area of the shape described by the equation \(\displaystyle x^2 + y^2 = 2\)?
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Which of the following best describes the shape of a raindrop with a radius of less than one millimeter? W) Spherical X) Similar to a hamburger bun Y) Teardrop Z) Parachute
W: W) Spherical
X: X) Similar to a hamburger bun
Y: Y) Teardrop
Z: Z) Parachute
Answer: W) W) Spherical
By name or number, place the following four planets in order from highest to lowest density: 1) Mars; 2) Saturn; 3) Jupiter; 4) Earth.
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Given a parcel of air that is saturated with water, which of the following statements is NOT correct? W) Its relative humidity is 100% X) Its dew point is equal to the current temperature Y) If you raised the temperature, its relative humidity would decrease Z) If you lowered the temperature, its relative humidity would decrease
W: W) Its relative humidity is 100%
X: X) Its dew point is equal to the current temperature
Y: Y) If you raised the temperature, its relative humidity would decrease
Z: Z) If you lowered the temperature, its relative humidity would decrease
Answer: Z) Z) If you lowered the temperature, its relative humidity would decrease
By name or number, put the following three Earth eons in order from most ancient to most recent: 1) Phanerozoic; 2) Archean; 3) Proterozoic.
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Cell membranes are described as fluid mosaic models consisting of proteins embedded in a bilayer of phospholipids. Which of the following components of a plant cell do NOT contain two of these bilayers? W) Chloroplast X) Mitochondria Y) Endoplasmic reticulum Z) Nucleus
W: W) Chloroplast
X: X) Mitochondria
Y: Y) Endoplasmic reticulum
Z: Z) Nucleus
Answer: Y) Y) Endoplasmic reticulum
What is the name of the phenomenon created when seawater seeps into cracks in the ocean floor, is heated by molten magma, and expelled back into the ocean?
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What is the name of the mechanism by which macrophages engulf bacteria?
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What human organ is composed of the following four lobes: right, quadrate, caudate, and left?
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A balance and a spring scale are taken to the top of Mount Everest. When measured there, the spring scale reads 10 newtons, while the balance reads 1 kilogram. The measurements are then taken again at sea level. How would these measurements differ at sea level? W) They would not differ at sea level X) The spring scale would record a weight of less than 10 newtons, while the balance would record a mass of 1 kilogram Y) The spring scale would record a weight of greater than 10 newtons, while the balance would record a mass of greater than 1 kilogram Z) The spring scale would record a weight of greater than 10 newtons, while the balance would record a mass of 1 kilogram
W: W) They would not differ at sea level
X: X) The spring scale would record a weight of less than 10 newtons, while the balance would record a mass of 1 kilogram
Y: Y) The spring scale would record a weight of greater than 10 newtons, while the balance would record a mass of greater than 1 kilogram
Z: Z) The spring scale would record a weight of greater than 10 newtons, while the balance would record a mass of 1 kilogram
Answer: Z) Z) The spring scale would record a weight of greater than 10 newtons, while the balance would record a mass of 1 kilogram
By number, identify all of the following three traits that are TRUE for all mammals, birds, fish, plants, and insects: 1) the female has an XX genotype; 2) the female produces the larger gamete; 3) the female carries the young.
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Which of the following statistical values is least affected by outliers? W) Median X) Mean Y) Range Z) Standard deviation
W: W) Median
X: X) Mean
Y: Y) Range
Z: Z) Standard deviation
Answer: W) W) Median
The volume of a closed right circular cylinder is \(12\pi\) cubic meters and its base has a radius of 2 meters. In terms of π square meters, what is the surface area of the cylinder?
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Moving down the group on the periodic table from fluorine to astatine, what happens to the electronegativity?
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When a glycosidic bond is formed to make sucrose, what is the other resulting product?
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What is the name of an inflammation or infection of the transparent membrane that lines your eyelid and part of your eyeball, causing small blood vessels to become more prominent?
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Which of the following breeds of dogs would be least likely to be trained as a seeing eye dog? W) Chinese shar-pei X) German shepherd Y) Labrador retriever Z) Golden retriever
W: W) Chinese shar-pei
X: X) German shepherd
Y: Y) Labrador retriever
Z: Z) Golden retriever
Answer: W) W) Chinese shar-pei
Two pure tones are played in succession and at equal volumes. The first tone is lower in frequency than the second. Therefore, which of the following statements describes the first tone in comparison with the second tone? W) It has a shorter wavelength X) It has a longer wavelength Y) It has a smaller amplitude Z) It has a larger amplitude
W: W) It has a shorter wavelength
X: X) It has a longer wavelength
Y: Y) It has a smaller amplitude
Z: Z) It has a larger amplitude
Answer: X) X) It has a longer wavelength
What rock was created from the dissolved carbon dioxide in the primordial atmosphere?
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