MS Sample Set 12, Round 2 from NSB
As you are swimming in a river, you find two cobbles made of the same rock, but one is angular and one is rounded. Which of the following best explains this observation? W) The angular cobble was transported further X) The rounded cobble was transported further Y) The rounded cobble was formed in shallower water than the angular cobble Z) The angular cobble was formed in shallower water than the rounded cobble
W: W) The angular cobble was transported further
X: X) The rounded cobble was transported further
Y: Y) The rounded cobble was formed in shallower water than the angular cobble
Z: Z) The angular cobble was formed in shallower water than the rounded cobble
Answer: X) X) The rounded cobble was transported further
How many well‐defined planes of cleavage does the mineral quartz have?
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In what cellular component does a plant cell store water? W) Lysosome [LYE-soh-sohm] X) Central vacuole [VAK-yu-ole] Y) Golgi [GOAL-jee] complex Z) Chloroplast
W: W) Lysosome [LYE-soh-sohm]
X: X) Central vacuole [VAK-yu-ole]
Y: Y) Golgi [GOAL-jee] complex
Z: Z) Chloroplast
Answer: X) X) Central vacuole [VAK-yu-ole]
Which of the following organs is responsible for maintaining blood sugar 4 hours after a meal? W) Skeletal muscle X) Kidney Y) Fat Z) Liver
W: W) Skeletal muscle
X: X) Kidney
Y: Y) Fat
Z: Z) Liver
Answer: Z) Z) Liver
Which of the following numbers is largest? W) 10^4 + 10^5 X) 10^3 + 10^6 Y) 10^2 + 10^7 Z) 10^1 + 10^8
W: W) 10^4 + 10^5
X: X) 10^3 + 10^6
Y: Y) 10^2 + 10^7
Z: Z) 10^1 + 10^8
Answer: Z) Z) 10^1 + 10^8
What is the area of the triangle formed by the x-axis, the y-axis, and the line passing through the point (0, 8) with slope –2?
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Concentrated solar power stores the sun’s radiation in what form of energy? W) Thermal X) Chemical Y) Kinetic Z) Acoustic
W: W) Thermal
X: X) Chemical
Y: Y) Kinetic
Z: Z) Acoustic
Answer: W) W) Thermal
Researchers at Lawrence Berkeley National Lab are examining organic carbon in soil as a potential source of greenhouse gases. Which of the following best describes their finding? W) Soil carbon cannot be converted to carbon dioxide X) Organisms release more carbon dioxide in cold soil than in warm soil Y) Organisms release more carbon dioxide in warm soil than in cold soil Z) Soil is a relatively static carbon sink
W: W) Soil carbon cannot be converted to carbon dioxide
X: X) Organisms release more carbon dioxide in cold soil than in warm soil
Y: Y) Organisms release more carbon dioxide in warm soil than in cold soil
Z: Z) Soil is a relatively static carbon sink
Answer: Y) Y) Organisms release more carbon dioxide in warm soil than in cold soil
Photosynthesis produces sugar and what gaseous byproduct?
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Catalase is an enzyme that catalyzes the transformation of hydrogen peroxide to water and oxygen gas. Identify all of the following three terms that apply to hydrogen peroxide in this reaction: 1) Substrate; 2) Inhibitor; 3) Reactant.
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What group of elements have a shiny luster and are good conductors of heat and electricity?
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Middle C on a piano is 256 hertz. Given that the speed of sound in air is 330 m/s, which of the following is closest to the wavelength of middle C in meters? W) 0.75 X) 1.3 Y) 4.3 Z) 8.7
W: W) 0.75
X: X) 1.3
Y: Y) 4.3
Z: Z) 8.7
Answer: X) X) 1.3
What two fossil fuels are produced via hydraulic fracturing of sedimentary rock?
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Scientists in the Biosciences Division at Argonne National Lab are studying lignin, a structural polymer. Where can one find lignin? W) Animal liver cells X) Chloroplasts Y) Wood Z) Skin
W: W) Animal liver cells
X: X) Chloroplasts
Y: Y) Wood
Z: Z) Skin
Answer: Y) Y) Wood
Bacterial cells outnumber host cells within the human gastrointestinal tract. What is the collective name commonly used for the collection of bacteria present in the human digestive system?
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In humans, what structure enables the equalization of air between the inner ear and the atmosphere by way of the mouth?
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A 60-foot rope is stretched across 60 feet. How many cuts would be required to cut it into 5-foot sections?
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Katy the Cat spots Squeaky the Mouse. Squeaky quickly runs 16 ft due east, then 6 ft due south. He then runs due west to a hole in the ground 4 ft away. How many feet is Squeaky from where he was originally spotted by Katy?
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What is the term for the mound‐shaped deposits of dripstone on the ground?
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Place the following three oceans in order of decreasing water volume: 1) Indian; 2) Pacific; 3) Atlantic.
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In an atom, what is the maximum number of electrons the first energy level can hold?
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Identify all of the following three statements that are true of matter: 1) Atoms contain mostly empty space; 2) All atoms must contain at least one neutron; 3) Two atoms of the same element may contain different numbers of neutrons.
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A rectangle is drawn on a coordinate grid. One side lies on the line y = 2x + 1. An adjacent side of the rectangle could lie on which of the following lines? W) y = 0.5x + 2 X) y = –0.5x – 2 Y) y = 2x – 1 Z) y = –2x + 1
W: W) y = 0.5x + 2
X: X) y = –0.5x – 2
Y: Y) y = 2x – 1
Z: Z) y = –2x + 1
Answer: X) X) y = –0.5x – 2
The Sullivan house has a pile of building blocks. Susan used 1/3 of the blocks to build a fire station, and Chris used 2/5 of the blocks to build a boat. If 120 unused blocks remained, how many blocks were there to begin with?
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For a machine, what is the term for the percentage of the input energy that can be used for output work?
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Identify all of the following three objects that are undergoing acceleration: 1) A car braking; 2) The Moon orbiting the Earth; 3) An ice skater moving at constant velocity.
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During what phase of the cell cycle does a eukaryotic cell divide into two genetically identical daughter cells?
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Jellyfish possess specialized harpoon‐like cells on their tentacles that enable them to sting. What are these cells called?
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What two planets in the solar system have no natural satellites?
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Identify all of the following three statements that are true of our Sun: 1) It is more dense than water; 2) It is a variable star; 3) It rotates about its axis.
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Scientists at Argonne National Laboratory are working to enhance the performance and durability of polymer-electrolyte-membrane fuel cells, while simultaneously reducing their cost. These fuel cells produce electricity through the reaction of hydrogen and oxygen. What is the only chemical that these fuel cells emit?
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Ames Lab scientists used high-energy x-rays produced at Argonne National Lab to characterize a novel group of rare-earth solids. What user facility at Argonne National Lab was used to produce these bright x-rays?
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What is the product of the two fractions 3 1/3 and 1 1/2?
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Three apples and two bananas cost 190 cents. Four apples and one banana cost 170 cents. How many cents will two apples and three bananas cost?
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Which of the following explains the size of a chloride ion compared to that of a chlorine atom? W) Chloride is smaller because it has fewer electrons X) Chloride is smaller because it has more electrons Y) Chloride is larger because it has fewer electrons Z) Chloride is larger because it has more electrons
W: W) Chloride is smaller because it has fewer electrons
X: X) Chloride is smaller because it has more electrons
Y: Y) Chloride is larger because it has fewer electrons
Z: Z) Chloride is larger because it has more electrons
Answer: Z) Z) Chloride is larger because it has more electrons
Which of the following metals appears on flame tests as bright green and is responsible for blue colors in fireworks? W) Calcium X) Barium Y) Copper Z) Sodium
W: W) Calcium
X: X) Barium
Y: Y) Copper
Z: Z) Sodium
Answer: Y) Y) Copper
Which of the following situations could produce an artesian spring? W) A confined aquifer X) An unconfined aquifer Y) An aquifer underlain by an impermeable layer and overlain by a permeable one Z) An aquifer surrounded by permeable layers
W: W) A confined aquifer
X: X) An unconfined aquifer
Y: Y) An aquifer underlain by an impermeable layer and overlain by a permeable one
Z: Z) An aquifer surrounded by permeable layers
Answer: W) W) A confined aquifer
It is 18 °C outside and the water vapor pressure is 21 mbar. If the saturation vapor pressure is 60 mbar, what is the relative humidity in percent?
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What is the coefficient of x² in the expansion of (2x/3)²?
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A bacteria population is estimated to be modeled by 2^t, where t represents time measured in days. What is the smallest integer value of t for which the bacteria population is over 10,000?
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In what phylum are ostriches classified?
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Arrange the following four sections of the gastrointestinal tract in the order traveled by ingesta: 1) Stomach; 2) Colon; 3) Esophagus; 4) Duodenum.
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Vince lifts an 80-newton box 2 meters vertically. How much work, in joules, was done on the box?
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A ballerina weighs 500 newtons and is wearing shoes whose soles have a total combined area of 300 cm². To two significant figures and in newtons per centimeter squared, what is the pressure she is exerting on the floor?
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Pulsars are thought to be a subset of what general type of star?
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Rank the following three spectral types of stars in terms of increasing temperature: 1) K; 2) F; 3) O.
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