MS Sample Set 8, Round 5 from NSB
The sum of the measures of complementary angles is equal to which of the following? W) 45° X) 90° Y) 180° Z) 360°
W: W) 45°
X: X) 90°
Y: Y) 180°
Z: Z) 360°
Answer: X) X) 90°
Two hikers set off from the same point. One hikes due south for 0.7 miles, the other hikes due west for 2.4 miles. How far apart are they, in miles, when they reach these points?
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In the late 1800s, who was the first person to isolate and grow numerous pathogenic monerans [muh-NEER-uhns]?
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Which of the following are generally unable to generate organic carbon from inorganic carbon? W) Cyanobacteria [sy-uh-noh-bak-TEER-ee-uh] X) Diatoms Y) Fungi Z) Purple-sulfur bacteria
W: W) Cyanobacteria [sy-uh-noh-bak-TEER-ee-uh]
X: X) Diatoms
Y: Y) Fungi
Z: Z) Purple-sulfur bacteria
Answer: Y) Y) Fungi
The energy of a photon is given by Planck’s constant multiplied by frequency. As wavelength decreases, what happens to the energy of a photon?
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The principle asserting that processes operating in the present world can be used to interpret events of the past, i.e., “the present is the key to the past,” is called which of the following? W) Catastrophism X) Conformity Y) Uniformitarianism Z) Plutonism
W: W) Catastrophism
X: X) Conformity
Y: Y) Uniformitarianism
Z: Z) Plutonism
Answer: Y) Y) Uniformitarianism
The prime meridian is the line of what degree longitude?
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In the northern hemisphere, the thickest ice sheet is found in which of the following? W) The Arctic X) Canada Y) Iceland Z) Greenland
W: W) The Arctic
X: X) Canada
Y: Y) Iceland
Z: Z) Greenland
Answer: Z) Z) Greenland
A space heater converts what forms of energy? W) Electric energy to heat energy X) Heat energy to electric energy Y) Mechanical energy to heat energy Z) Chemical energy to electric energy
W: W) Electric energy to heat energy
X: X) Heat energy to electric energy
Y: Y) Mechanical energy to heat energy
Z: Z) Chemical energy to electric energy
Answer: W) W) Electric energy to heat energy
The specific heat of water is 1 calorie per gram Kelvin. How many thermal calories of energy must be supplied to 50 grams of water to raise it 3 Kelvin?
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Which of the following fractions has a decimal representation that terminates? W) 5/6 X) 9/11 Y) 5/9 Z) 6/15
W: W) 5/6
X: X) 9/11
Y: Y) 5/9
Z: Z) 6/15
Answer: Z) Z) 6/15
For a roll of one six-sided die numbered 1 through 6, what is the percent probability that the number will be prime?
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Ocean thermal energy conversion utilizes the difference in temperature between cold and warm water to produce power by which of the following? W) A motor X) A heat engine Y) An alternator Z) A generator
W: W) A motor
X: X) A heat engine
Y: Y) An alternator
Z: Z) A generator
Answer: X) X) A heat engine
Which of the following is the relationship comparing the kinetic energy of an object moving at 5 feet per second to that of the same object moving at 10 feet per second? W) One-fourth as much X) Half as much Y) Twice as much Z) Four times as much
W: W) One-fourth as much
X: X) Half as much
Y: Y) Twice as much
Z: Z) Four times as much
Answer: W) W) One-fourth as much
Which of the following ocean organisms is the predator of an oyster? W) Sea star X) Snail Y) Shark Z) Squid
W: W) Sea star
X: X) Snail
Y: Y) Shark
Z: Z) Squid
Answer: W) W) Sea star
What is the term for the general class of chemical substances within cells that help to maintain a constant intracellular pH?
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The city of Los Angeles is famous for its hazy “smoggy” days. Which of the following pollutants is a major contributor to smog? W) Carbon dioxide X) CFCs Y) Ozone Z) Chloromethane [klohr-uh-METH-ayn]
W: W) Carbon dioxide
X: X) CFCs
Y: Y) Ozone
Z: Z) Chloromethane [klohr-uh-METH-ayn]
Answer: Y) Y) Ozone
By weight, what is the dominant chemical compound constituent of granites?
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Which of the following is a type of rock that forms from cooling magma? W) Igneous [IG-nee-uhs] X) Sedimentary Y) Lava Z) Metamorphic
W: W) Igneous [IG-nee-uhs]
X: X) Sedimentary
Y: Y) Lava
Z: Z) Metamorphic
Answer: W) W) Igneous [IG-nee-uhs]
What is the electrical insulation that surrounds the axons of many neurons?
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What is the term for the length of time it takes for half of a radioactive material to decay?
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Why do noble gases almost never form chemical bonds? W) It is difficult for gases to form bonds X) They have completely filled outer valence shells Y) They have very small atomic radii [RAY-dee-eye] Z) They are very rare
W: W) It is difficult for gases to form bonds
X: X) They have completely filled outer valence shells
Y: Y) They have very small atomic radii [RAY-dee-eye]
Z: Z) They are very rare
Answer: X) X) They have completely filled outer valence shells
A music player can be bought either by \$1800 cash in full, or \$800 cash as down payment and \$1100 to be paid after one year. What is the rate of interest charged in the second option? W) 5% X) 10% Y) 20% Z) 25%
W: W) 5%
X: X) 10%
Y: Y) 20%
Z: Z) 25%
Answer: X) X) 10%
The following five numbers represent student’s scores on a math test. Find the median and mean scores: 90, 92, 80, 84, 96.
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Given typical environmental abundances, which would you expect to be MOST abundant in a drop of seawater? W) Copepods [KOH-puh-pods] X) Diatoms [DY-uh-tuhms] Y) Bacteria Z) Viruses
W: W) Copepods [KOH-puh-pods]
X: X) Diatoms [DY-uh-tuhms]
Y: Y) Bacteria
Z: Z) Viruses
Answer: Z) Z) Viruses
What two inorganic compounds are required for photosynthesis?
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Which of the following is NOT associated with fumaroles [FYOO-muh-rohls]? W) Hot-water fountain spouting intermittently X) Emissions of gas fumes and steam Y) Vents becoming encrusted with deposits Z) Formation of valuable minerals
W: W) Hot-water fountain spouting intermittently
X: X) Emissions of gas fumes and steam
Y: Y) Vents becoming encrusted with deposits
Z: Z) Formation of valuable minerals
Answer: W) W) Hot-water fountain spouting intermittently
Give the velocity, in meters per second, for a typical wave with a wavelength of 32 meters and a period of 8 seconds.
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The ability of the skin to stretch and recoil is largely due to the presence of which of the following components? W) Melanin X) Carotene Y) Collagen Z) Keratin
W: W) Melanin
X: X) Carotene
Y: Y) Collagen
Z: Z) Keratin
Answer: Y) Y) Collagen
What group of fungi reproduces only by asexual means or has a sexual cycle that has not yet been observed?
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Which of the following is NOT an environmental concern associated with hydraulic fracturing? W) Overheating of land surface X) Contamination of local water sources Y) Small earthquakes Z) Production of wastewater
W: W) Overheating of land surface
X: X) Contamination of local water sources
Y: Y) Small earthquakes
Z: Z) Production of wastewater
Answer: W) W) Overheating of land surface
What is the final output voltage if the following batteries are connected in series: 1.5 volts, 1.5 volts, 3.5 volts and 1.7 volts?
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Which of the following energy sources is considered a fossil fuel? W) Hydroelectric X) Aeroelectric Y) Crude oil Z) Solar power
W: W) Hydroelectric
X: X) Aeroelectric
Y: Y) Crude oil
Z: Z) Solar power
Answer: Y) Y) Crude oil
Identify all of the following four properties of matter that are extensive: 1) hardness; 2) weight; 3) mass; 4) density.
Choices:
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What is the least common denominator of 1/8, 4/9, 2/3 and 5/2? W) 18 X) 24 Y) 72 Z) 144
W: W) 18
X: X) 24
Y: Y) 72
Z: Z) 144
Answer: Y) Y) 72
Convert the following equation to slope-intercept form: y – 14 = 6(x – 5).
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In insects, what is the name for chemicals that can travel many miles and are capable of influencing the behavior of others in the same species?
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Hormones regulate the concentration of glucose in the blood. Which of the following hormones is properly described by its role in this regulation? W) Insulin decreases blood glucose levels X) Epinephrine [e-puh-NE-fruhn] suppresses release of glucagon [GLOO-kuh-gon] and insulin Y) Thrombopoietin [throm-boh-poi-ET-n] destroys platelets Z) Somatostatin [suh-mat-uh-STAT-in] enhances release of glucose from glycogen
W: W) Insulin decreases blood glucose levels
X: X) Epinephrine [e-puh-NE-fruhn] suppresses release of glucagon [GLOO-kuh-gon] and insulin
Y: Y) Thrombopoietin [throm-boh-poi-ET-n] destroys platelets
Z: Z) Somatostatin [suh-mat-uh-STAT-in] enhances release of glucose from glycogen
Answer: W) W) Insulin decreases blood glucose levels
According to the U.S. Energy Information Administration, which of the following sectors consumes the most energy in the U.S.? W) Residential X) Commercial Y) Transportation Z) Industrial
W: W) Residential
X: X) Commercial
Y: Y) Transportation
Z: Z) Industrial
Answer: Z) Z) Industrial
What are the DC voltages from conventional A, AA and D cell batteries? W) 1.5 volts, 0.75 volts and 3.0 volts respectively X) 1.0 volts, 2.0 volts and 3.0 volts respectively Y) 1.5 volts, 1.5 volts and 3.0 volts respectively Z) All are 1.5 volts
W: W) 1.5 volts, 0.75 volts and 3.0 volts respectively
X: X) 1.0 volts, 2.0 volts and 3.0 volts respectively
Y: Y) 1.5 volts, 1.5 volts and 3.0 volts respectively
Z: Z) All are 1.5 volts
Answer: Z) Z) All are 1.5 volts
Which of the following properties characterizes a water mass? W) Geographic location and salinity X) Salinity and temperature Y) Salinity and depth Z) Geographic location and depth
W: W) Geographic location and salinity
X: X) Salinity and temperature
Y: Y) Salinity and depth
Z: Z) Geographic location and depth
Answer: X) X) Salinity and temperature
The United States Geological Survey has replaced the Richter scale with what scale to help better describe the energy released during large magnitude earthquakes?
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You are a community ecologist studying the population dynamics of sea urchins on the West coast. Over time, you found that as the sea otter population increased, the sea urchin population decreased, and giant kelp increased. In this situation, the sea otters would be considered to be what kind of species in the community?
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What is the name given to chromosomes acquired from different parents? W) Related chromosomes X) Orthologous chromosomes [or-THUH-loh-juhs] Y) Homologous chromosomes [huh-MOL-uh-guhs] Z) Analogous chromosomes
W: W) Related chromosomes
X: X) Orthologous chromosomes [or-THUH-loh-juhs]
Y: Y) Homologous chromosomes [huh-MOL-uh-guhs]
Z: Z) Analogous chromosomes
Answer: Y) Y) Homologous chromosomes [huh-MOL-uh-guhs]
For an ideal simple pendulum [PEN-juh-luhm], where is the position of maximum speed of the pendulum bob located? W) At the points corresponding to maximum displacement X) At the equilibrium position [ee-kwuh-LIB-ree-uhm] Y) At a point corresponding to a displacement of twice the amplitude Z) At the points corresponding a displacement of one third of the amplitude
W: W) At the points corresponding to maximum displacement
X: X) At the equilibrium position [ee-kwuh-LIB-ree-uhm]
Y: Y) At a point corresponding to a displacement of twice the amplitude
Z: Z) At the points corresponding a displacement of one third of the amplitude
Answer: X) X) At the equilibrium position [ee-kwuh-LIB-ree-uhm]
A stone of mass m is tossed directly above to a height h. If the acceleration due to gravity is g, what is the net gravitational force acting on the stone? W) mg X) mgh Y) 2mg Z) mg/4
W: W) mg
X: X) mgh
Y: Y) 2mg
Z: Z) mg/4
Answer: W) W) mg