MS Sample Set 11, Round 9 from NSB
In a population of colorful parakeets, hunters often only kill the red parakeets because they are so easy to spot. What type of selection pressure does this illustrate? W) Directional X) Disruptive Y) Stabilizing Z) Bilateral
W: W) Directional
X: X) Disruptive
Y: Y) Stabilizing
Z: Z) Bilateral
Answer: W) W) Directional
Rank the following four structures from smallest to largest: 1) Amoeba proteus cell; 2) Human skin cell; 3) Human X chromosome; 4) Escherichia coli cell.
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It is estimated that up to 350 billion tons of carbon dioxide could be stored around the world in un-mineable coal beds. What is the term for processes that secure carbon dioxide and prevent its emission into the atmosphere? W) Carbon corralling X) Carbon isolation Y) Carbon sequestration Z) Carbon seclusion
W: W) Carbon corralling
X: X) Carbon isolation
Y: Y) Carbon sequestration
Z: Z) Carbon seclusion
Answer: Y) Y) Carbon sequestration
Order the following three types of light bulb from least to most efficient: 1) LED; 2) Fluorescent; 3) Incandescent.
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What soil horizon contains the most humus?
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What group of silicates is the most abundant group of minerals in Earth's crust? W) Feldspars X) Quartzes Y) Zeolites Z) Micas
W: W) Feldspars
X: X) Quartzes
Y: Y) Zeolites
Z: Z) Micas
Answer: W) W) Feldspars
Jim brings 20 candy bars to class and divides them so that each of his classmates receives an equal share of 4/5 of a bar. How many classmates does Jim have?
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Find the coordinates of all points of intersection of the parabola with equation \(y = x^2 + 7x + 10\) and the line with equation \(y = -x - 6\).
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How would you turn carbon-12 into the isotope carbon-13? W) Add a neutron X) Add a proton Y) Take away an electron Z) Add two quarks
W: W) Add a neutron
X: X) Add a proton
Y: Y) Take away an electron
Z: Z) Add two quarks
Answer: W) W) Add a neutron
An atom of what element is produced when an atom of krypton-81 undergoes an electron capture?
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4,800 meters is how many kilometers? W) 4.8 X) 48 Y) 480,000 Z) 4,800,000
W: W) 4.8
X: X) 48
Y: Y) 480,000
Z: Z) 4,800,000
Answer: W) W) 4.8
Maria went shopping in two stores with her birthday gift money. In the first store, she spent two-thirds of what she had plus \$3. In the second store, she spent three-fifths of what was left plus \$2. She then had \$8 left. How many dollars did she begin with?
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You installed a brand new Energy Star–rated range in your kitchen, and you discover that it has an induction cooktop. Which of the following cookware materials would best function on an induction cooktop? W) Cast iron X) Anodized aluminum Y) Copper Z) Non-magnetic stainless steel
W: W) Cast iron
X: X) Anodized aluminum
Y: Y) Copper
Z: Z) Non-magnetic stainless steel
Answer: W) W) Cast iron
According to the US Energy Information Administration, in cents per kilowatt-hour, which of the following is closest to the average cost of electricity for an American household in 2014? W) 2 X) 6 Y) 12 Z) 16
W: W) 2
X: X) 6
Y: Y) 12
Z: Z) 16
Answer: Y) Y) 12
Territorial waters are defined as extending how many nautical miles from a shoreline? W) 7 X) 12 Y) 50 Z) 65
W: W) 7
X: X) 12
Y: Y) 50
Z: Z) 65
Answer: X) X) 12
Titan is Saturn's satellite and shares similarities with Earth. However, it may become depressing during a long-term visit, due to the fact that, rounded to a single significant figure, Titan receives what percent of the sunlight Earth receives?
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Most extremophiles are placed into what biological domain?
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Identify all of the following three characteristics that are possessed by both plants and animals: 1) Nuclear envelope; 2) Mitochondria; 3) Chloroplasts.
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What will occur if a wave strikes a medium boundary at an angle greater than the critical angle? W) Refraction X) Diffraction Y) Dispersion Z) Reflection
W: W) Refraction
X: X) Diffraction
Y: Y) Dispersion
Z: Z) Reflection
Answer: Z) Z) Reflection
Identify all of the following three particles that would be deflected by a magnetic field: 1) Electron; 2) Neutron; 3) Proton.
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Which of the following sources provides the most water for drinking and industrial purposes in the US? W) Fresh surface water X) Saline groundwater Y) Fresh groundwater Z) Oceans
W: W) Fresh surface water
X: X) Saline groundwater
Y: Y) Fresh groundwater
Z: Z) Oceans
Answer: W) W) Fresh surface water
A team of physicists and engineers at DOE’s Brookhaven National Laboratory has tested a 20-ton cylindrical magnet that could form the heart of an upgraded particle detector at the Relativistic Heavy Ion Collider. Which of the following would the magnet do? W) Bend the trajectories of charged particles emerging from proton and ion collisions X) Form new ions in the collider Y) Heat charged particles in the collider Z) Cool charged particles in the collider
W: W) Bend the trajectories of charged particles emerging from proton and ion collisions
X: X) Form new ions in the collider
Y: Y) Heat charged particles in the collider
Z: Z) Cool charged particles in the collider
Answer: W) W) Bend the trajectories of charged particles emerging from proton and ion collisions
Solve the following equation for x: \((x - 12)/8 = 1/2\).
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What is the perimeter of a square having the same area as a circle of radius 6?
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By what process do bacteria divide?
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After a cell undergoes the process of mitosis, how many daughter cells are formed?
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Which of the following groups of the periodic table contain nearly all of the metalloid elements? W) Groups 1 and 2 X) Groups 3 through 12 Y) Groups 13 through 16 Z) Groups 17 and 18
W: W) Groups 1 and 2
X: X) Groups 3 through 12
Y: Y) Groups 13 through 16
Z: Z) Groups 17 and 18
Answer: Y) Y) Groups 13 through 16
A green light looks blue when seen in the reflection from the surface of a piece of non-absorbing glass. What color does the light appear when looking through the glass?
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Which of the following most contributes to marine pollution? W) Airborne emissions from land X) Runoff and discharge from land Y) Shipping and accidental spills Z) Ocean dumping
W: W) Airborne emissions from land
X: X) Runoff and discharge from land
Y: Y) Shipping and accidental spills
Z: Z) Ocean dumping
Answer: X) X) Runoff and discharge from land
What type of dripstone grows from the floor upward?
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Which of the following has the highest energy photons? W) Blue light X) Yellow light Y) Infrared Z) Microwaves
W: W) Blue light
X: X) Yellow light
Y: Y) Infrared
Z: Z) Microwaves
Answer: W) W) Blue light
What is the SI unit for luminosity?
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What is the difference between hail and sleet? W) Hail forms during warm weather while sleet forms in cold weather X) Hail forms via freezing within a cloud, while sleet forms via freezing as precipitation falls Y) Hail forms within cumulonimbus clouds while sleet forms within cirrus clouds Z) Hail is the term for frozen raindrops larger than 0.5 millimeters, while sleet is the term for frozen raindrops less than 0.5 millimeters
W: W) Hail forms during warm weather while sleet forms in cold weather
X: X) Hail forms via freezing within a cloud, while sleet forms via freezing as precipitation falls
Y: Y) Hail forms within cumulonimbus clouds while sleet forms within cirrus clouds
Z: Z) Hail is the term for frozen raindrops larger than 0.5 millimeters, while sleet is the term for frozen raindrops less than 0.5 millimeters
Answer: X) X) Hail forms via freezing within a cloud, while sleet forms via freezing as precipitation falls
The SNO experiment uses heavy water in order to detect what particles emitted by the sun?
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If the intercepts of a line are (0,5) and (5,0), what is the slope-intercept equation of the line?
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Find the surface area of a square pyramid with slant height 5 whose base has sides of length 6.
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A line of thunderstorms that can form along or ahead of a cold front is known as which of the following? W) Squall line X) Rain shield Y) Wake low Z) Line echo wave pattern
W: W) Squall line
X: X) Rain shield
Y: Y) Wake low
Z: Z) Line echo wave pattern
Answer: W) W) Squall line
Identify all of the following three statements that are true of Venus and the Earth: 1) Venus and the Earth have similar densities; 2) Earth is slightly smaller in diameter than Venus; 3) Venus has slightly stronger surface gravity than the Earth.
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A C-H bond is an example of what type of bonding? W) Covalent X) Ionic Y) Hydrogen Z) Metallic
W: W) Covalent
X: X) Ionic
Y: Y) Hydrogen
Z: Z) Metallic
Answer: W) W) Covalent
What type of reaction always has a product of carbon dioxide and water?
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What is the human organ that produces the majority of peptide digestion enzymes for the small intestine?
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What biochemical pathway breaks down glucose to two molecules of pyruvate?
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What is 36% of 3?
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The average of a list of 9 numbers is 57. The average of the first 4 numbers is 53. What integer is nearest the average of the remaining 5 numbers?
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What organelle gives the "roughness" to the rough ER?
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At what specific area of the cell is rRNA transcribed?
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