MS Sample Set 5, Round 7 from NSB
Which of the following is NOT a reasonable line of evidence for a global cooling event? W) Glacial tills at low latitudes X) Heightened sea levels Y) Reduced photosynthesis Z) Reduced hydrologic cycle
W: W) Glacial tills at low latitudes
X: X) Heightened sea levels
Y: Y) Reduced photosynthesis
Z: Z) Reduced hydrologic cycle
Answer: X) X) Heightened sea levels
At which of the following internal Earth boundaries do mantle plumes occur? W) Inner core/outer core boundary X) Asthenosphere/lithosphere boundary Y) Mantle/outer core boundary Z) Mantle/crust boundary
W: W) Inner core/outer core boundary
X: X) Asthenosphere/lithosphere boundary
Y: Y) Mantle/outer core boundary
Z: Z) Mantle/crust boundary
Answer: Y) Y) Mantle/outer core boundary
What is the name of the ClO₄⁻ (read as: C-L-O-4 minus) ion?
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What is the ideal mechanical advantage of an 18-centimeter lever if the fulcrum is located 3 centimeters from the resistance?
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Which of the following sets of states are included as a part of “tornado alley”? W) Texas, Kansas, and Missouri X) Oklahoma, Texas, and Virginia Y) Texas, New Mexico, and Arizona Z) Mississippi, Georgia, and Kansas
W: W) Texas, Kansas, and Missouri
X: X) Oklahoma, Texas, and Virginia
Y: Y) Texas, New Mexico, and Arizona
Z: Z) Mississippi, Georgia, and Kansas
Answer: W) W) Texas, Kansas, and Missouri
Hadley and Ferrel atmospheric cells are the result of what kind of heat transport?
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What is the general name of the process through which light is generated from a chemical reaction without the release of significant heat energy?
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Which of the following statements is NOT true about the solar tower, Solar Two? W) It generated steam directly from water in its receiver X) It could supply electric power on demand to the local utility company Y) Nearly 2000 heliostats reflected sunlight onto a receiver located at the top of the tower Z) Concentrated sunlight heated molten salt to temperatures as high as 1000° Fahrenheit
W: W) It generated steam directly from water in its receiver
X: X) It could supply electric power on demand to the local utility company
Y: Y) Nearly 2000 heliostats reflected sunlight onto a receiver located at the top of the tower
Z: Z) Concentrated sunlight heated molten salt to temperatures as high as 1000° Fahrenheit
Answer: W) W) It generated steam directly from water in its receiver
Which type of cell becomes cancerous in people who develop leukemia?
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What are the five most common chemical elements of living biological matter?
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Which of the following adjectives describes the function: $$ y = \frac{1}{3 - x^2} $$ W) Even X) Odd Y) One-to-one Z) Polynomial
W: W) Even
X: X) Odd
Y: Y) One-to-one
Z: Z) Polynomial
Answer: W) W) Even
Frodo drove 250 miles at an average speed of 50 miles per hour, and the remaining 360 miles at an average speed of 60 miles per hour. To the nearest integer, what was his average speed in miles per hour for the entire trip?
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What term is used to describe sphere-shaped bacteria?
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Why are there no human vaccines against bacteriophages (read as: bahk-TIR-ee-oh-fay-jehs)?
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Which of the following best describes the composition of polycrystalline silicon solar panels? W) A piece of semi-conducting material with a thin silicon film over the top X) One continuous sheet of silicon with a backing of metal-conducting material Y) Lots of individual PV cells that have a backing of metal-conducting material Z) Strips of silicon form the PV cells that have a backing of metal-conducting material
W: W) A piece of semi-conducting material with a thin silicon film over the top
X: X) One continuous sheet of silicon with a backing of metal-conducting material
Y: Y) Lots of individual PV cells that have a backing of metal-conducting material
Z: Z) Strips of silicon form the PV cells that have a backing of metal-conducting material
Answer: Y) Y) Lots of individual PV cells that have a backing of metal-conducting material
Aside from the residual heat generated from the formation of Earth, what three principle radioactive elements are thought to be the main sources of heat within Earth’s interior?
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What is the maximum number of bonds a carbon atom can form?
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Which of the following situations requires the most power? W) Lifting a 60 newton weight 50 meters in 3 minutes X) Lifting a 60 newton weight 70 meters in 5 minutes Y) Lifting a 70 newton weight 50 meters in 3 minutes Z) Lifting a 70 newton weight 70 meters in 5 minutes
W: W) Lifting a 60 newton weight 50 meters in 3 minutes
X: X) Lifting a 60 newton weight 70 meters in 5 minutes
Y: Y) Lifting a 70 newton weight 50 meters in 3 minutes
Z: Z) Lifting a 70 newton weight 70 meters in 5 minutes
Answer: Y) Y) Lifting a 70 newton weight 50 meters in 3 minutes
Which of the following contributes to the hydrophobicity of lipids? W) Water is polar and lipids are non-polar X) Water and lipids are both polar Y) Water and lipids are both non-polar Z) Water is non-polar and lipids are polar
W: W) Water is polar and lipids are non-polar
X: X) Water and lipids are both polar
Y: Y) Water and lipids are both non-polar
Z: Z) Water is non-polar and lipids are polar
Answer: W) W) Water is polar and lipids are non-polar
What is the name of the network responsible for echinoderm (read as: ee-KY-neh-dehrm) movement?
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Give the name of the Greek mathematician, often referred to as the father of geometry, who deduced geometrical principles based upon postulates such as, “it is possible to draw a straight line from any point to any other point.”
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A committee of 3 is to be formed from a group of 6 people. How many different committees are possible?
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Which of the following is a TRUE statement about fructose and glucose? W) They have different molecular formulas X) They have different molecular structures Y) They have the same molecular structure Z) They are both disaccharides (read as: dy-SAH-keh-ryds)
W: W) They have different molecular formulas
X: X) They have different molecular structures
Y: Y) They have the same molecular structure
Z: Z) They are both disaccharides (read as: dy-SAH-keh-ryds)
Answer: X) X) They have different molecular structures
Name all of the layers of Earth’s atmosphere that have an increasing temperature as altitude increases.
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What is the term for breakage along planes of weak bonding that produces distinctive, smooth, flat surfaces?
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What are the three gases that primarily compose Uranus’s atmosphere?
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A see-saw is an example of what class of lever?
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Which of the following animal structures does NOT make use of countercurrent exchange? W) Mammalian lungs X) Fish gills Y) Vertebrate kidneys Z) Muscles of a great white shark
W: W) Mammalian lungs
X: X) Fish gills
Y: Y) Vertebrate kidneys
Z: Z) Muscles of a great white shark
Answer: W) W) Mammalian lungs
What is always the RNA start codon, where translation begins?
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When exposed to unfavorable environmental conditions, coral loses its symbiont zooxanthella (read as: zoo-zahn-THEH-lah), a condition known as “bleaching.” Name the process, beneficial to the coral as a whole, for which zooxanthellae are responsible.
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Which kind of mouth would belong to a fish that feeds on crustaceans and other shellfish? W) Inferior X) Superior Y) Terminal Z) Protrusible
W: W) Inferior
X: X) Superior
Y: Y) Terminal
Z: Z) Protrusible
Answer: W) W) Inferior
In a reaction that runs to completion, 3 moles of substance A react with 5 moles of substance B to create 2 moles of substance C. To create 18 moles of substance C, what is the total number of moles of reactants required?
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What is the largest two-digit prime number?
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What are the coordinates of the vertex of the parabola with equation $$ y = x^2 + 6x + 4? $$
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What is the term for an insoluble product that is formed in a chemical reaction as a result of combining two liquids?
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Name three properties of non-metals that correspond, respectively, to the following properties of metals: malleable, shiny, and conducting.
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Lobsters and centipedes have jointed appendages and are both classified as arthropods. What defining characteristic, shared by all arthropods, provides a protective function but limits growth and flexibility?
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In terms of available energy, why would low biomass be expected for any tundra biome? W) Plants are not able to grow in the cold temperatures X) High wind speeds remove the nutrients needed by plants Y) There is little sunlight to provide the initial energy Z) There are few top predators, so little energy is needed
W: W) Plants are not able to grow in the cold temperatures
X: X) High wind speeds remove the nutrients needed by plants
Y: Y) There is little sunlight to provide the initial energy
Z: Z) There are few top predators, so little energy is needed
Answer: Y) Y) There is little sunlight to provide the initial energy
Which of the following is the dominant direction of surface currents at low latitudes along the coast of South America in the Pacific Ocean? W) Southwest X) Northwest Y) Southeast Z) Northeast
W: W) Southwest
X: X) Northwest
Y: Y) Southeast
Z: Z) Northeast
Answer: X) X) Northwest
Object 1 has a mass of 3 kilograms and moves across a frictionless surface at a velocity of 4 meters per second. Object 1 then strikes object 2, which has a mass of 2 kilograms and was motionless prior to the collision. The collision is completely inelastic. Providing your answer as a decimal to the nearest tenth, what is the speed of object 2 after the collision, in meters per second?
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What scientist received the Nobel Prize for perfecting a technique for refining uranium?
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In a parallel circuit with constant voltage, if a branch was added, which of the following would happen to the total equivalent resistance and the total supplied current? W) Both would both increase X) Both would both decrease Y) The resistance would increase and the current would decrease Z) The resistance would decrease and the current would increase
W: W) Both would both increase
X: X) Both would both decrease
Y: Y) The resistance would increase and the current would decrease
Z: Z) The resistance would decrease and the current would increase
Answer: Z) Z) The resistance would decrease and the current would increase
The Solar System is believed to have formed following the collapse of which of the following? W) A galactic core X) A globular cluster Y) A neutron star Z) A molecular cloud
W: W) A galactic core
X: X) A globular cluster
Y: Y) A neutron star
Z: Z) A molecular cloud
Answer: Z) Z) A molecular cloud
Name the three types of tectonic plate boundaries.
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Which of the following describes most of the elements on the periodic table? W) Synthetic X) Nonmetals Y) Noble gases Z) Conductors
W: W) Synthetic
X: X) Nonmetals
Y: Y) Noble gases
Z: Z) Conductors
Answer: Z) Z) Conductors
When subjected to a potential difference of 100 volts, a certain capacitor builds up a charge on one plate of 0.2 coulombs. Providing your answer as a decimal to the nearest thousandth, what is this capacitor's capacitance in farads?
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Which of the following is NOT an example of a direct-use application of geothermal energy? W) Bathing X) Production of electricity Y) Heating homes Z) Heating water at fish farms
W: W) Bathing
X: X) Production of electricity
Y: Y) Heating homes
Z: Z) Heating water at fish farms
Answer: X) X) Production of electricity
The 1947 Texas City disaster, the deadliest industrial accident in the United States, was caused by the detonation of what chemical compound, often used as an oxidizing agent in explosives?
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Solve the equation |x − 2| = 3.
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Solve the inequality: −3x − 4 ≥ 6x − 3.
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