MS Sample Set 1, Round 15 from NSB
Which of the following is TRUE: W) all yeasts are nonpathogenic in humans X) all humans have the same number of chromosomes Y) all bats carry rabies Z) all DNA contains phosphorous
W: W) all yeasts are nonpathogenic in humans
X: X) all humans have the same number of chromosomes
Y: Y) all bats carry rabies
Z: Z) all DNA contains phosphorous
Answer: Z) Z) all DNA contains phosphorous
To anneal a metal, what do you generally treat it with?
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Lipids will dissolve best in which of the following: W) 3% salt water X) milk Y) distilled water Z) chloroform
W: W) 3% salt water
X: X) milk
Y: Y) distilled water
Z: Z) chloroform
Answer: Z) Z) chloroform
Which of the following statements is NOT true: W) all living things require energy except in some states of dormancy X) energy is transformed from one state to another in living things Y) the laws of thermodynamics do not apply to living things Z) enzymes allow certain reactions to occur at faster rates than without them
W: W) all living things require energy except in some states of dormancy
X: X) energy is transformed from one state to another in living things
Y: Y) the laws of thermodynamics do not apply to living things
Z: Z) enzymes allow certain reactions to occur at faster rates than without them
Answer: Y) Y) the laws of thermodynamics do not apply to living things
Which of the following is NOT true of glycerol: W) it has 3 carbons X) it is sometimes used as a sweetener in human foods Y) it has no caloric value in humans Z) it is considered a sugar alcohol
W: W) it has 3 carbons
X: X) it is sometimes used as a sweetener in human foods
Y: Y) it has no caloric value in humans
Z: Z) it is considered a sugar alcohol
Answer: Y) Y) it has no caloric value in humans
Which of the following stars typically has the GREATEST density: W) black dwarf X) neutron star Y) Main Sequence star Z) Blue Giant
W: W) black dwarf
X: X) neutron star
Y: Y) Main Sequence star
Z: Z) Blue Giant
Answer: X) X) neutron star
Which of the following coasts in North America contains the most pronounced fjords: W) the west coast from Puget Sound to Alaska X) the west coast from Oregon to Mexico Y) the east coast from Maine to Florida Z) the entire Gulf Coast
W: W) the west coast from Puget Sound to Alaska
X: X) the west coast from Oregon to Mexico
Y: Y) the east coast from Maine to Florida
Z: Z) the entire Gulf Coast
Answer: W) W) the west coast from Puget Sound to Alaska
What is the specific name for accumulated snow or ice that survives one melt season on a glacier?
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Which of the following most closely relates to the first law of thermodynamics: W) conservation of energy X) transformation of mass into energy Y) energy moving from a cold to a hot object Z) kinetic energy of molecules and atoms
W: W) conservation of energy
X: X) transformation of mass into energy
Y: Y) energy moving from a cold to a hot object
Z: Z) kinetic energy of molecules and atoms
Answer: W) W) conservation of energy
The specific heat of water is about 10-times that of copper. By words or numbers, name all of the following 3 statements that are TRUE: 1) 1 gram of water requires more energy than 1 gram of copper to raise its temperature by 1ºC 2) water will cool down in the same environment much faster than a sample of copper of the same mass 3) 1 gram of water has 10-times as much average translational kinetic energy than 1 gram of copper at the same temperature
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The graph of the equation, $2x + y = 4$, is a: W) straight line X) parabola Y) ellipse Z) circle
W: W) straight line
X: X) parabola
Y: Y) ellipse
Z: Z) circle
Answer: W) W) straight line
A hardware store-owner buys a 100-pound box of nails for \$200. If the owner repackages the nails into 2-pound bags and sells them each for \$6.00 per bag, find his profit in dollars after selling all the nails:
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During which of the following embryonic stages of a human are all 3 germ layers formed: W) zygote X) blastula Y) gastrula Z) morula
W: W) zygote
X: X) blastula
Y: Y) gastrula
Z: Z) morula
Answer: Y) Y) gastrula
Which of the following do all chordates possess at some time in their lives: W) gill slits X) radula Y) book lungs Z) exoskeleton
W: W) gill slits
X: X) radula
Y: Y) book lungs
Z: Z) exoskeleton
Answer: W) W) gill slits
Which of the following sound frequencies would generally NOT be heard by humans: W) 20 hertz X) 200 hertz Y) 2 kilohertz Z) 20 kilohertz
W: W) 20 hertz
X: X) 200 hertz
Y: Y) 2 kilohertz
Z: Z) 20 kilohertz
Answer: Z) Z) 20 kilohertz
Which of the following is the greatest contributor to ambient carbon monoxide concentrations in the U.S.: W) industrial processes X) electric utilities Y) transportation Z) farm animals
W: W) industrial processes
X: X) electric utilities
Y: Y) transportation
Z: Z) farm animals
Answer: Y) Y) transportation
Which of the following is NOT true about earthquakes: W) the focus of an earthquake is the point from which energy is released X) the epicenter is the point on Earth’s surface directly above the focus Y) lithospheric plate interactions commonly cause both earthquakes and volcanoes Z) primary seismic waves cause the most damage to buildings during an earthquake
W: W) the focus of an earthquake is the point from which energy is released
X: X) the epicenter is the point on Earth’s surface directly above the focus
Y: Y) lithospheric plate interactions commonly cause both earthquakes and volcanoes
Z: Z) primary seismic waves cause the most damage to buildings during an earthquake
Answer: Z) Z) primary seismic waves cause the most damage to buildings during an earthquake
Arrange the following 3 types of seismic waves from the FIRST to arrive at a seismic recording station to the LAST: S-wave; L-wave; P-wave
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Distillation will NOT work very well under which of the following situations: W) the components in the mixture have the same boiling points X) the mixture consists of a solid and a liquid Y) the mixture is colored Z) the mixture is not colored
W: W) the components in the mixture have the same boiling points
X: X) the mixture consists of a solid and a liquid
Y: Y) the mixture is colored
Z: Z) the mixture is not colored
Answer: W) W) the components in the mixture have the same boiling points
Acetylene has a triple bond between its two carbons. Which of the following shapes does it have: W) bent X) tetrahedral Y) linear Z) see-saw
W: W) bent
X: X) tetrahedral
Y: Y) linear
Z: Z) see-saw
Answer: Y) Y) linear
Which of the following is NOT true: W) π is an irrational number X) a dodecahedron has 12 faces Y) 5 factorial is 5-times as large as 4 factorial Z) if n is a multiple of 2, then n + 1 is also a multiple of 2
W: W) π is an irrational number
X: X) a dodecahedron has 12 faces
Y: Y) 5 factorial is 5-times as large as 4 factorial
Z: Z) if n is a multiple of 2, then n + 1 is also a multiple of 2
Answer: Z) Z) if n is a multiple of 2, then n + 1 is also a multiple of 2
Ebony has taken 5 math tests and averaged 90% on her first 2 tests but averaged 100% on the next 3 tests. What is her overall percent average after these 5 tests, assuming all are weighted equally?
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In certain diseases, red blood cells are damaged and destroyed in massive numbers. What organ will often enlarge under these circumstances and be central in the removal of the abnormal red blood cells and their breakdown products?
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Name all of the following 4 molecules that serve as neurotransmitters in vertebrates: adrenaline; dopamine; serotonin; sphingosine
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Instead of lenses, what do refractor telescopes use to collect light from celestial objects?
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What is the most common term for the final stage of a star with between 1 and 3 solar masses?
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Which of the following is NOT true about the Appalachian Mountain Range: W) it is older than the Himalayan range X) it has no active volcanoes Y) the southeastern portion is undergoing accelerated mountain building Z) it occurs along an ancient plate boundary
W: W) it is older than the Himalayan range
X: X) it has no active volcanoes
Y: Y) the southeastern portion is undergoing accelerated mountain building
Z: Z) it occurs along an ancient plate boundary
Answer: Y) Y) the southeastern portion is undergoing accelerated mountain building
Which of the following is the name for the mineral with the chemical composition Fe₃O₄: W) magnetite X) pyrite Y) olivine Z) biotite mica
W: W) magnetite
X: X) pyrite
Y: Y) olivine
Z: Z) biotite mica
Answer: W) W) magnetite
Which of the following is TRUE: W) unlike charges repel X) lithium is an alkaline earth metal Y) magnetic poles always come in pairs Z) some isotopes of helium have 1 proton
W: W) unlike charges repel
X: X) lithium is an alkaline earth metal
Y: Y) magnetic poles always come in pairs
Z: Z) some isotopes of helium have 1 proton
Answer: Y) Y) magnetic poles always come in pairs
Consider a catapult on a cliff 20 meters above the ground directly below. If air resistance is ignored, how many seconds, rounded to the nearest whole second, will it take a rock launched horizontally from the catapult at 25 meters per second to hit the ground?
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A carpenter is building a vertical wall and using one, 2-by-4 vertical stud every 16 inches. If the wall is 8 feet long, how many vertical studs will he use?
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A circle has a circumference of 80π. Giving your answer in terms of π, find the length of a 36º arc of this circle:
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What is the most common term used to describe a hydrocarbon chain that has all single bonds between carbons?
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Which of the following does NOT occur in mitosis: W) synapsis of chromosomes X) chromosomes line up at metaphase Y) nuclear membrane dissolves Z) sister chromatids separate
W: W) synapsis of chromosomes
X: X) chromosomes line up at metaphase
Y: Y) nuclear membrane dissolves
Z: Z) sister chromatids separate
Answer: W) W) synapsis of chromosomes
Which of the following does one arcsecond equal: W) 60 arcminutes X) 60 arcs Y) 1/60th of an arcminute Z) 1/360th of an arcminute
W: W) 60 arcminutes
X: X) 60 arcs
Y: Y) 1/60th of an arcminute
Z: Z) 1/360th of an arcminute
Answer: Y) Y) 1/60th of an arcminute
If a superior planet is at opposition, it can be seen: W) only at sunset X) just before sunrise Y) throughout the night Z) not at all
W: W) only at sunset
X: X) just before sunrise
Y: Y) throughout the night
Z: Z) not at all
Answer: Y) Y) throughout the night
The MOST catastrophic mass extinction event in Earth’s history occurred about how many million years ago: W) 65 X) 250 Y) 2,800 Z) 4,800
W: W) 65
X: X) 250
Y: Y) 2,800
Z: Z) 4,800
Answer: X) X) 250
What is the name for the largest extinction event when nearly all life on Earth came to an end?
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Which of the following best describes the following reaction: 2Mg + O₂ → 2MgO W) combination X) decomposition Y) single replacement Z) combustion
W: W) combination
X: X) decomposition
Y: Y) single replacement
Z: Z) combustion
Answer: W) W) combination
Name all of the following 3 substances that will likely form a weak electrolyte when dissolved in pure water: acetic acid; magnesium chloride; sodium hydroxide
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Choosing from x-coordinate, y-coordinate, slope and height, what value of the graph of a linear function is always constant?
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What is the exact value of log₁₀(10²⁰)?
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If a normal human lymphocyte underwent mitosis but NOT cytokinesis, how many chromosomes would the cell have?
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The structure of proteins is classified from primary through quaternary levels. Which level is determined by the sequence of its amino acids?
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Name all of the following 4 choices that are organic acids: citric acid; hydrochloric acid; nitric acid; hydrogen sulfide
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Name all of the following 3 physical properties of a block of iron that change when the temperature of an object is raised: electrical conductance; volume; density
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The smelting of pure iron ore is done to remove what atoms which are bonded to the iron atom?
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Also known as Arctic sea smoke, what is the meteorological term for what often forms over open water in frigid temperatures as a result of vapor condensation?
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What is the name for any line in the same plane as a circle and intersecting the circle at exactly one point?
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Solve the following equation for x: 256 = 2(x + 1)
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