MS Sample Set 6, Round 12 from NSB
Which of the following is a prosimian [proh-SIM-ee-uhn]? W) Orangutan X) Panda Y) Iguana Z) Lemur
W: W) Orangutan
X: X) Panda
Y: Y) Iguana
Z: Z) Lemur
Answer: Z) Z) Lemur
Given that up is positive and that g is 10 meters per second squared, if a ball is thrown vertically upward with an initial velocity of 20 meters per second, what will be its velocity in meters per second after 3 seconds?
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Which of the following statements is NOT true about the jet stream? W) It is found at the altitude at which winds are the strongest X) It is strongest when there is a large temperature contrast between two air masses Y) It is usually composed of easterly winds Z) It is caused by a combination of the Earth’s rotation on its axis and atmospheric heating
W: W) It is found at the altitude at which winds are the strongest
X: X) It is strongest when there is a large temperature contrast between two air masses
Y: Y) It is usually composed of easterly winds
Z: Z) It is caused by a combination of the Earth’s rotation on its axis and atmospheric heating
Answer: Y) Y) It is usually composed of easterly winds
Which of the following NASA missions has a primary objective to map variations in Earth’s gravity field? W) GRACE X) LAGEOS Y) Nimbus Z) SMAP
W: W) GRACE
X: X) LAGEOS
Y: Y) Nimbus
Z: Z) SMAP
Answer: W) W) GRACE
What term describes a thermodynamic process that is constantly in equilibrium, such that an infinitesimal change can lead to a redirection of that process without any release or loss of energy?
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Which of the following is coherent light? W) Polarized light that has passed through a coherent filter X) Light of one wavelength, traveling in one direction, with crests and troughs aligned Y) Light of one wavelength, spreading out in all directions, and vibrating in several planes Z) Light made up of waves that vibrate in only one plane
W: W) Polarized light that has passed through a coherent filter
X: X) Light of one wavelength, traveling in one direction, with crests and troughs aligned
Y: Y) Light of one wavelength, spreading out in all directions, and vibrating in several planes
Z: Z) Light made up of waves that vibrate in only one plane
Answer: X) X) Light of one wavelength, traveling in one direction, with crests and troughs aligned
Which of the following reflects the approximate percentage range of coal produced from surface mines as a fraction of total coal production in the U.S.? W) 10–20% X) 30–40% Y) 40–50% Z) More than 60%
W: W) 10–20%
X: X) 30–40%
Y: Y) 40–50%
Z: Z) More than 60%
Answer: Z) Z) More than 60%
Burning rock refers to which of the following energy sources? W) Coal X) Oil shale Y) Tar sands Z) Peat
W: W) Coal
X: X) Oil shale
Y: Y) Tar sands
Z: Z) Peat
Answer: X) X) Oil shale
On a DNA electrophoresis gel, what moves the DNA from one end to the other?
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Parasitic flatworms, commonly called flukes, that infect the internal organs of their hosts are in which of the following classes? W) Turbellarians X) Trematoda Y) Cestoda Z) Nematoda
W: W) Turbellarians
X: X) Trematoda
Y: Y) Cestoda
Z: Z) Nematoda
Answer: X) X) Trematoda
If the height of a pyramid is doubled, but the base remains unchanged, what happens to its volume?
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A tour bus traveled 3 kilometers east, proceeded 12 kilometers south, then 7 kilometers west, and finally 7 kilometers north. In simplest form, how far in kilometers is it from its starting point?
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The ABO blood classification system is determined by which of the following types of biological molecules on the surface of red blood cells? W) Nucleic acids X) Carbohydrates Y) Proteins Z) Lipids
W: W) Nucleic acids
X: X) Carbohydrates
Y: Y) Proteins
Z: Z) Lipids
Answer: X) X) Carbohydrates
What are the numbers, respectively, of protons, neutrons, and electrons in an isotope of titanium with a mass number of 50?
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Compared to continental crust, oceanic crust melts at which of the following? W) Lower temperatures X) The same temperature Y) Higher temperatures Z) Higher pressures and temperatures
W: W) Lower temperatures
X: X) The same temperature
Y: Y) Higher temperatures
Z: Z) Higher pressures and temperatures
Answer: Y) Y) Higher temperatures
Which of the following sets of two variables controls how fast a soil forms? W) Type of parent rock and climate X) Type and age of parent rock Y) Temperature and pressure Z) Residual and transported soil
W: W) Type of parent rock and climate
X: X) Type and age of parent rock
Y: Y) Temperature and pressure
Z: Z) Residual and transported soil
Answer: W) W) Type of parent rock and climate
Stating your answer in kilojoules per mole, what is the change in Gibbs free energy for a reaction at equilibrium?
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Which of the following actions would NOT change the strength of an air core electromagnet? W) Increasing the amount of current X) Changing the current’s direction Y) Inserting an iron core inside the loop Z) Increasing the number of loops
W: W) Increasing the amount of current
X: X) Changing the current’s direction
Y: Y) Inserting an iron core inside the loop
Z: Z) Increasing the number of loops
Answer: X) X) Changing the current’s direction
Which of the following types of light bulbs is most energy efficient? W) Fluorescent X) Incandescent Y) Halogen Z) White L.E.D.
W: W) Fluorescent
X: X) Incandescent
Y: Y) Halogen
Z: Z) White L.E.D.
Answer: Z) Z) White L.E.D.
Which of the following best describes why horizontal axis turbines produce more power than vertical axis turbines? W) Horizontal turbines are facing the wind at all times X) The power coefficient for a horizontal turbine is twice the power coefficient of a vertical turbine Y) Vertical turbines are placed at lower heights Z) The Betz limit specifies that power extracted from the wind for vertical axis turbines is limited to 57%
W: W) Horizontal turbines are facing the wind at all times
X: X) The power coefficient for a horizontal turbine is twice the power coefficient of a vertical turbine
Y: Y) Vertical turbines are placed at lower heights
Z: Z) The Betz limit specifies that power extracted from the wind for vertical axis turbines is limited to 57%
Answer: X) X) The power coefficient for a horizontal turbine is twice the power coefficient of a vertical turbine
How many net molecules of ATP does glycolysis produce? W) 2 X) 3 Y) 4 Z) 6
W: W) 2
X: X) 3
Y: Y) 4
Z: Z) 6
Answer: W) W) 2
Which of the following statements is NOT true about the plant Mimosa pudica? W) It is an herb X) Its leaves fold inward and droop when it is touched or shaken Y) It is native to Africa Z) Aqueous extracts of its roots inhibit cobra venom
W: W) It is an herb
X: X) Its leaves fold inward and droop when it is touched or shaken
Y: Y) It is native to Africa
Z: Z) Aqueous extracts of its roots inhibit cobra venom
Answer: Y) Y) It is native to Africa
What values cannot be part of the domain for the following function: $$f(x) = \frac{x(x - 2)}{(x + 3)(x - 5)}$$?
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You have a sugar cone that has a radius of 3 inches, and a height of 8 inches. You drop a perfect sphere of ice cream with a radius of 3 inches onto the cone so that the ball of ice cream is now half in the cone, half out. Providing your answer in terms of pi, what is the volume in cubic inches of the air space left in the cone?
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Many lakes in agricultural regions are eutrophic due to which of the following? W) Excessive nutrients X) Minimal algae growth Y) Increased number of irrigation wells Z) Excessive sunlight
W: W) Excessive nutrients
X: X) Minimal algae growth
Y: Y) Increased number of irrigation wells
Z: Z) Excessive sunlight
Answer: W) W) Excessive nutrients
Which of the following statements is NOT true about the recently discovered circumbinary planet? W) It orbits two stars X) It is about 200 light years from Earth Y) It was detected by the James Webb space telescope Z) It is cold and gaseous
W: W) It orbits two stars
X: X) It is about 200 light years from Earth
Y: Y) It was detected by the James Webb space telescope
Z: Z) It is cold and gaseous
Answer: Y) Y) It was detected by the James Webb space telescope
An individual with Turner syndrome has which of the following genotypes? W) XO X) XYY Y) XXY Z) XXYY
W: W) XO
X: X) XYY
Y: Y) XXY
Z: Z) XXYY
Answer: W) W) XO
What polysaccharide, found in yogurt, chocolate milk, toothpaste, and deodorant, comes from algae or seaweed, and can be used in the place of animal-based products like gelatin?
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Which of the following can astronomers use to directly measure the distance between a star and Earth? W) Parallax X) Brightness Y) Blue shift Z) Size
W: W) Parallax
X: X) Brightness
Y: Y) Blue shift
Z: Z) Size
Answer: W) W) Parallax
During the March equinox, at which of the following latitudes is the Sun’s noon position directly overhead? W) 46.5° North X) 23.5° North Y) 23.5° South Z) 0°
W: W) 46.5° North
X: X) 23.5° North
Y: Y) 23.5° South
Z: Z) 0°
Answer: Z) Z) 0°
Which of the following ocean life zones contains the least variety of ocean life? W) Intertidal X) Neritic Y) Bathyal Z) Abyssal
W: W) Intertidal
X: X) Neritic
Y: Y) Bathyal
Z: Z) Abyssal
Answer: Z) Z) Abyssal
What weather phenomenon has the following characteristics: 1) large-scale wind circulation around a central region of high atmospheric pressure; 2) it circulates clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere; 3) it usually advances at 20 to 30 miles per hour?
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In thermodynamics, the change in enthalpy of a process can be equated with heat transferred if which of the following quantities is held constant? W) Volume X) Pressure Y) Temperature Z) Entropy
W: W) Volume
X: X) Pressure
Y: Y) Temperature
Z: Z) Entropy
Answer: X) X) Pressure
A car is moving along a road when the passenger side front tire hits a snow drift. Identify all of the following that happens to the motion of the car: 1) It speeds up; 2) It slows down; 3) It veers towards the right; 4) It veers towards the left.
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Which of the following fuels is cooled cryogenically to –260° Fahrenheit? W) Compressed coal X) Liquefied shale gas Y) Liquefied natural gas Z) Purified gasoline
W: W) Compressed coal
X: X) Liquefied shale gas
Y: Y) Liquefied natural gas
Z: Z) Purified gasoline
Answer: Y) Y) Liquefied natural gas
What are the two gases that municipal solid waste produces in large concentrations?
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A sea cucumber is an example of an organism that displays what type of symmetry?
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Identify all of the following five organisms that are considered sac fungi: 1) morel mushroom; 2) powdery mildew; 3) blue-green mold; 4) puffball; 5) stem rot.
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Triangle CAT has sides measuring 6 inches, 8 inches, and 10 inches. Triangle DOG has sides measuring 3 inches, 4 inches, and 5 inches. In either order, what is the ratio of the measures of the smallest angles in the two triangles?
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The distance between the points (11, 1) and (−3.5, 16.5) is between which of the following pairs of numbers? W) 20 and 21 X) 21 and 22 Y) 22 and 23 Z) 23 and 24
W: W) 20 and 21
X: X) 21 and 22
Y: Y) 22 and 23
Z: Z) 23 and 24
Answer: X) X) 21 and 22
What is the name for the process of coating a corrosive metal with a thin layer of zinc?
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Name all of the following four cells or organisms that may contain chloroplasts: 1) chlamydomonas; 2) plasmodium; 3) diatoms; 4) spirogyra.
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What planet in our solar system has retrograde rotation?
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What is the name of the largest calving glacier in North America?
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According to molecular orbital theory, which of the following molecules contains pi bonds? W) Ammonia X) Molecular hydrogen Y) Molecular nitrogen Z) Water
W: W) Ammonia
X: X) Molecular hydrogen
Y: Y) Molecular nitrogen
Z: Z) Water
Answer: Y) Y) Molecular nitrogen
Which of the following molecules contains the largest bond angle? W) Sulfur hexafluoride X) Water Y) Carbon dioxide Z) Boron trifluoride
W: W) Sulfur hexafluoride
X: X) Water
Y: Y) Carbon dioxide
Z: Z) Boron trifluoride
Answer: Y) Y) Carbon dioxide
If 5x + 3y = 8 and 6x + 2y = 10, what is y – x?
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An aquarium is 12 inches long, 10 inches wide, and 10 inches deep. It is filled with 8 inches of water. A rock is dropped into the water, and the water level rises 2 inches. What is the volume of the rock in cubic inches?
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A trans-Pacific flight passenger experiences difficulty adjusting to the difference in time zones. Which of the following supplements may ease the symptoms of jet lag? W) Melatonin X) Progestin Y) Cortisol Z) Thymosin
W: W) Melatonin
X: X) Progestin
Y: Y) Cortisol
Z: Z) Thymosin
Answer: W) W) Melatonin
What are the three basic shapes of bacteria?
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