MS Sample Set 1, Round 17 from NSB
J. J. Thomson primarily used what instrument to discover electrons: W) cathode ray tube X) torsion balance Y) interferometer Z) mass spectrometer
W: W) cathode ray tube
X: X) torsion balance
Y: Y) interferometer
Z: Z) mass spectrometer
Answer: W) W) cathode ray tube
In the early 20th century, physicists were unknowingly fissioning uranium by which of the following methods: W) bombardment with neutrons X) combining heavy isotopes of plutonium Y) exposing uranium to high temperatures Z) exposing heavy elements to immense pressure using explosive devices in heavy-walled containment vessels
W: W) bombardment with neutrons
X: X) combining heavy isotopes of plutonium
Y: Y) exposing uranium to high temperatures
Z: Z) exposing heavy elements to immense pressure using explosive devices in heavy-walled containment vessels
Answer: W) W) bombardment with neutrons
It is the fate of all lakes and ponds on Earth to eventually become dry lands, bogs, marshes, or fens, through a process called: W) fossilization X) eutrophication Y) mineralization Z) oligotrophy
W: W) fossilization
X: X) eutrophication
Y: Y) mineralization
Z: Z) oligotrophy
Answer: X) X) eutrophication
Which one of the following 4 terms does not belong with the others: zone of accumulation; zone of wastage; snow line; frontal wedging
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The formula, SA = s² + 2sl, where s is one side of the base and l is the slant height, is used to calculate the surface area of which of the following: W) right circular cone X) right pentagonal prism Y) rectangular solid Z) right square pyramid
W: W) right circular cone
X: X) right pentagonal prism
Y: Y) rectangular solid
Z: Z) right square pyramid
Answer: Z) Z) right square pyramid
Giving your answer rounded to the 1st decimal place, find the 9th term in the geometric sequence with first three terms: 0.1, 0.2, 0.4…
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Which of the following was determined in 2007 to be the cause of hundreds of pet deaths because of pet food contamination: W) aspartame X) stevia Y) melamine Z) carrageenan
W: W) aspartame
X: X) stevia
Y: Y) melamine
Z: Z) carrageenan
Answer: Y) Y) melamine
Melamine is sometimes illegally added to food products in order to increase the apparent content of: W) protein X) carbohydrate Y) enzymes Z) B vitamins
W: W) protein
X: X) carbohydrate
Y: Y) enzymes
Z: Z) B vitamins
Answer: W) W) protein
Which of the following techniques was used by Meselson and Stahl to separate samples of DNA that contained different amounts of DNA labeled with a heavy isotope and a light isotope of nitrogen in their experiments on DNA replication: W) reverse osmosis X) dialysis Y) centrifugation Z) liquid chromatography
W: W) reverse osmosis
X: X) dialysis
Y: Y) centrifugation
Z: Z) liquid chromatography
Answer: Y) Y) centrifugation
Name all of the following 4 proteins that are soluble in water: collagen; hemoglobin; insulin; DNA polymerase
Choices:
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What is the maximum number of covalent bonds between any 2 carbon atoms?
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The density of an organic solvent is 600 grams per milliliter. What is the mass, in kilograms, of the solvent if it fills a container that measures 3 centimeters by 4 centimeters by 10 centimeters?
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Which of the following is a semi-permanent high pressure system that sits over the Atlantic Ocean during summer: W) South Atlantic High X) Floridian High Y) North American High Z) Bermuda High
W: W) South Atlantic High
X: X) Floridian High
Y: Y) North American High
Z: Z) Bermuda High
Answer: Z) Z) Bermuda High
Which of the following BEST describes the air circulation pattern above the Bermuda or Azores high in the northern hemisphere in August: W) air spiraling into the center in a clockwise direction X) air spiraling out from the center in a clockwise direction Y) air spiraling into the center in a counter-clockwise direction Z) air spiraling out from the center in a counter-clockwise direction
W: W) air spiraling into the center in a clockwise direction
X: X) air spiraling out from the center in a clockwise direction
Y: Y) air spiraling into the center in a counter-clockwise direction
Z: Z) air spiraling out from the center in a counter-clockwise direction
Answer: X) X) air spiraling out from the center in a clockwise direction
What is the second term in the binomial expansion of (a + b)⁵?
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Provide the prime factors over the integers for the following expression: 16x² – 25y⁴
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Which fat-soluble vitamin that is a central component for healthy vision and is important in the transduction of light to the retina, sometimes referred to as “night-vision”?
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The glycemic index is an index that is used to directly predict the rate at which ingested food in the human diet will increase which of the following levels in the blood: W) sugar X) lipid Y) oxygen Z) carbon dioxide
W: W) sugar
X: X) lipid
Y: Y) oxygen
Z: Z) carbon dioxide
Answer: W) W) sugar
In which of the following stages in the life of an average dividing cell would it spend most of its time: W) mitosis X) interphase Y) cytokinesis Z) karyokinesis
W: W) mitosis
X: X) interphase
Y: Y) cytokinesis
Z: Z) karyokinesis
Answer: X) X) interphase
Which of the following BEST describes the chemical makeup of a human chromosome: W) 100% DNA X) about 99% DNA and 1% protein Y) about 50% DNA and 50% protein Z) about 1% DNA and 99% protein
W: W) 100% DNA
X: X) about 99% DNA and 1% protein
Y: Y) about 50% DNA and 50% protein
Z: Z) about 1% DNA and 99% protein
Answer: Y) Y) about 50% DNA and 50% protein
Which of the following is most accurate regarding the force of gravity: W) it is caused by the weight of an object X) it is cannot travel through a vacuum Y) it theoretically acts over unlimited distances Z) it is caused by the strong nuclear force within atoms
W: W) it is caused by the weight of an object
X: X) it is cannot travel through a vacuum
Y: Y) it theoretically acts over unlimited distances
Z: Z) it is caused by the strong nuclear force within atoms
Answer: Y) Y) it theoretically acts over unlimited distances
Which of the following BEST explains whether a U.S. quarter will accelerate down an inclined plane faster than a silver ring of the same diameter, assuming both roll without slipping: W) the ring accelerates faster because it has less inertia X) the ring will accelerate slower because all its mass in the outer rim Y) the quarter will accelerate faster because it has more mass Z) the quarter will accelerate at the same rate as the ring since both have the same diameter
W: W) the ring accelerates faster because it has less inertia
X: X) the ring will accelerate slower because all its mass in the outer rim
Y: Y) the quarter will accelerate faster because it has more mass
Z: Z) the quarter will accelerate at the same rate as the ring since both have the same diameter
Answer: X) X) the ring will accelerate slower because all its mass in the outer rim
Rounded to the nearest whole number, how many degrees is the Moon inclined with respect to the orbit of the Earth about the Sun?
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In the Hertzsprung-Russell diagram, where would Blue Giants be found: W) upper left X) upper right Y) lower left Z) lower right
W: W) upper left
X: X) upper right
Y: Y) lower left
Z: Z) lower right
Answer: W) W) upper left
Which of the following are the first clearly identifiable fossils from the Precambrian Era which can still be found living along beaches of Shark Bay in western Australia: W) echinoderms X) trilobites Y) sharks Z) stromatolites
W: W) echinoderms
X: X) trilobites
Y: Y) sharks
Z: Z) stromatolites
Answer: Z) Z) stromatolites
The law of superposition is used by geologists to predict which of the following properties of a rock: W) its relative age X) its absolute age Y) its radiometric age Z) its chemical composition
W: W) its relative age
X: X) its absolute age
Y: Y) its radiometric age
Z: Z) its chemical composition
Answer: W) W) its relative age
The graph of which of the following equations passes through quadrants one and two: W) x – 2 = 0 X) y = x² Y) x = 5y Z) y + 3 = 0
W: W) x – 2 = 0
X: X) y = x²
Y: Y) x = 5y
Z: Z) y + 3 = 0
Answer: X) X) y = x²
Paul is getting dressed for graduation. He has 2 choices of pants, 3 choices of shirts, and 4 choices of shoes. How many different wardrobes consisting of pants, shirts and shoes are possible?
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Which of the following will most likely occur for a bacteria that is an obligate or strict anaerobe when grown in a test tube of nutrient agar that remains undisturbed: W) all the bacteria immediately die X) the bacteria only grow against the walls of the test tube Y) the bacteria only grow at the top of the test tube Z) the bacteria only grow at the bottom of the test tube
W: W) all the bacteria immediately die
X: X) the bacteria only grow against the walls of the test tube
Y: Y) the bacteria only grow at the top of the test tube
Z: Z) the bacteria only grow at the bottom of the test tube
Answer: Z) Z) the bacteria only grow at the bottom of the test tube
Which of the following molecules primarily functions to carry electrons from one place to another inside a cell: W) NAD+ X) ATP Y) UTP Z) pyruvic acid
W: W) NAD+
X: X) ATP
Y: Y) UTP
Z: Z) pyruvic acid
Answer: W) W) NAD+
Which of the following is a strong acid since it ionizes almost completely in water: W) NaCl X) LiOH Y) H2CO3 Z) H2SO4
W: W) NaCl
X: X) LiOH
Y: Y) H2CO3
Z: Z) H2SO4
Answer: Z) Z) H2SO4
By words or numbers, name all of the following 3 choices that obey an inverse square law: 1) gravitational force and distance; 2) the size of an object and its density; 3) the intensity of a light source and the distance between the source and detector
Choices:
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What astronomical unit for distance is derived from the parallax of one second of arc?
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How many light-seconds are in a light-year: W) 300,000 X) 360,000 Y) 1,314,000 Z) 31,557,600
W: W) 300,000
X: X) 360,000
Y: Y) 1,314,000
Z: Z) 31,557,600
Answer: Z) Z) 31,557,600
The greenhouse effect is produced primarily by the re-emission of which of the following by the atmosphere: W) visible light X) UV light Y) infrared radiation Z) sensible heat
W: W) visible light
X: X) UV light
Y: Y) infrared radiation
Z: Z) sensible heat
Answer: Y) Y) infrared radiation
Which of the following is a human-made gas that, if released into the atmosphere, can directly act to destroy ozone in the stratosphere: W) chlorofluorocarbon X) carbon dioxide Y) methane Z) hydrogen cyanide
W: W) chlorofluorocarbon
X: X) carbon dioxide
Y: Y) methane
Z: Z) hydrogen cyanide
Answer: W) W) chlorofluorocarbon
Which of the following is the best example of a graph of ordered pairs that directly shows how much one variable is directly affected by another: W) box-and-whiskers plot X) scatter plot Y) histogram Z) pie chart
W: W) box-and-whiskers plot
X: X) scatter plot
Y: Y) histogram
Z: Z) pie chart
Answer: X) X) scatter plot
A balanced coin is flipped 4 times. What is the probability, as a fraction in lowest terms, of obtaining the exact order of tail, tail, head, head?
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From what embryonic germ layer are skeletal bones primarily derived?
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Progressing from the outside to the inside, what are the 3 basic embryonic germ layers in vertebrates?
Choices:
Correct Order:
Leona swims directly across a river at 4 kilometers per hour and the river has a current of 5 kilometers per hour. To the nearest whole number, what is Leona’s total velocity, in kilometers per hour?
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Which 2 of the following 4 atomic properties primarily account for the magnetic behavior of an iron magnet: electron spin; neutron number; atomic charge; electron orbit
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Giving your answer as north, south, east, or west, surface winds normally blow FROM what direction at 70º to 80º north latitude?
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Arrange the following 4 choices in order of INCREASING specific gravity: quartz; hematite; gypsum; silver
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What stellar cataclysm resulted in the formation of the Crab nebula?
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Name all of the following 4 elements that are produced in supernova and NOT by stars with masses similar to the Sun: helium; carbon; oxygen; copper
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In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse describes what trigonometric function?
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If the volume of a sphere is 36π centimeters, find its radius, in centimeters:
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Name all of the following 4 elements that are found in DNA and NOT proteins: sulfur; nitrogen; oxygen; phosphorus
Choices:
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What radioactive isotope did Hershey and Chase use to label the capsid protein of bacteriophage in the pivotal experiment supporting the theory that genetic information was carried in the DNA?
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