MS Sample Set 9, Round 13 from NSB
What is the name of the deepest trench in the world’s oceans?
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What type of biologically relevant molecule includes phosphatidylcholine and is generally found in cellular membranes?
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What percent of 80 is 12?
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The three vertices of a triangle have coordinates (-2, 6), (2, 1), and (4, 7). The longest side of the triangle is opposite which of these three vertices? W) (-2, 6) X) (2, 1) Y) (4, 7) Z) There is not enough information to determine the answer
W: W) (-2, 6)
X: X) (2, 1)
Y: Y) (4, 7)
Z: Z) There is not enough information to determine the answer
Answer: Y) Y) (4, 7)
Performing electrolysis on water results in the production of what two diatomic gases?
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What is the major component of crude oil, by weight? W) Alkanes X) Naphthenes Y) Aromatics Z) Carbon dioxide
W: W) Alkanes
X: X) Naphthenes
Y: Y) Aromatics
Z: Z) Carbon dioxide
Answer: X) X) Naphthenes
Identify all of the following three statements that are true regarding the kinetic molecular theory of gases: 1) Particles have negligible volume 2) Particles are always in motion 3) Particles exert no force on each other except during collisions
Choices:
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What subatomic particle is principally responsible for the differences in chemical properties between elements? W) Proton X) Neutron Y) Electron Z) Hadron
W: W) Proton
X: X) Neutron
Y: Y) Electron
Z: Z) Hadron
Answer: Y) Y) Electron
What is the largest layer of the Sun’s atmosphere, in which temperatures reach as high as 2 million kelvins?
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Which of the following is the streak color of the mineral fluorite? W) Green X) White Y) Yellow Z) Violet
W: W) Green
X: X) White
Y: Y) Yellow
Z: Z) Violet
Answer: X) X) White
What is the primary oxygen-carrying protein found in red blood cells?
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The human ABO blood group system is an example of which of the following? W) Complete dominance X) Incomplete dominance Y) Co-dominance Z) Epistatic dominance
W: W) Complete dominance
X: X) Incomplete dominance
Y: Y) Co-dominance
Z: Z) Epistatic dominance
Answer: Y) Y) Co-dominance
What term refers to the top-most layer of a thermally stratified lake?
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What specific type of eclipse occurs when the edges of the sun’s photosphere are visible around the edges of the moon?
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Until the 1900s, what was the major source of energy for businesses and industry in the United States?
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Which of the following is considered a non-renewable resource? W) Biomass X) Wind Y) Ethanol Z) Uranium
W: W) Biomass
X: X) Wind
Y: Y) Ethanol
Z: Z) Uranium
Answer: Z) Z) Uranium
Determine the domain of the function: Raw: g(x) = (2x – 2)/(4x² – 36x + 81) KaTeX: $$g(x) = \frac{2x - 2}{4x^2 - 36x + 81}$$
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Simplify the following expression, if a and b are non-zero: Raw: (96a⁷b³ − 64a³b)/(8a²b) KaTeX: $$\frac{96a^7b^3 - 64a^3b}{8a^2b}$$
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What type of heat transfer is demonstrated when a metal spoon placed in an operational frying pan heats up enough to burn anyone that directly touches the spoon? W) Convection X) Conduction Y) Enthalpy Z) Radiation
W: W) Convection
X: X) Conduction
Y: Y) Enthalpy
Z: Z) Radiation
Answer: X) X) Conduction
What specific type of intermolecular force occurs between two atoms of neon?
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Which of the following cells stimulate macrophages, B cells, and T cells? W) Suppressor T cells X) Memory cells Y) Helper T cells Z) Cytotoxic T cells
W: W) Suppressor T cells
X: X) Memory cells
Y: Y) Helper T cells
Z: Z) Cytotoxic T cells
Answer: Y) Y) Helper T cells
Which of the following types of plant cell tissue is considered the least specialized? W) Apical meristematic X) Parenchyma Y) Collenchyma Z) Sclerenchyma
W: W) Apical meristematic
X: X) Parenchyma
Y: Y) Collenchyma
Z: Z) Sclerenchyma
Answer: X) X) Parenchyma
Which of the following is not found in proteins? W) Nitrogen X) Hydrogen Y) Oxygen Z) Phosphorous
W: W) Nitrogen
X: X) Hydrogen
Y: Y) Oxygen
Z: Z) Phosphorous
Answer: Z) Z) Phosphorous
Which of the following is correct about catalysts? W) All catalysts are proteins X) All catalysts lower activation energy Y) All catalysts are consumed during reactions Z) All catalysts are enzymes
W: W) All catalysts are proteins
X: X) All catalysts lower activation energy
Y: Y) All catalysts are consumed during reactions
Z: Z) All catalysts are enzymes
Answer: X) X) All catalysts lower activation energy
A longitudinal mechanical wave causes particles of a material to move: W) Back and forth in the same direction the wave is moving X) Perpendicular to the direction the wave is moving Y) In a circular motion parallel to the direction the wave is moving Z) In a circular motion perpendicular to the direction the wave is moving
W: W) Back and forth in the same direction the wave is moving
X: X) Perpendicular to the direction the wave is moving
Y: Y) In a circular motion parallel to the direction the wave is moving
Z: Z) In a circular motion perpendicular to the direction the wave is moving
Answer: W) W) Back and forth in the same direction the wave is moving
Which of the following laws would be most useful for determining the change in volume of a gas as it changes temperature at constant pressure? W) Charles’ law X) Boyle’s law Y) Gay-Lussac’s law Z) Avogadro’s law
W: W) Charles’ law
X: X) Boyle’s law
Y: Y) Gay-Lussac’s law
Z: Z) Avogadro’s law
Answer: W) W) Charles’ law
What is the term for the catalytically-active complex that consists of an apoenzyme and the cofactor that gives it activity?
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Name the three domains of life.
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If a star was twice as far away than it originally was, how much fainter would it appear to be?
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What is the third most common gas in the atmosphere?
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Approximately one-third of the electricity in the United States comes from what fossil fuel source?
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What series of elements which includes neodymium has a variety of applications, including magnets, superconductors, catalysis, and quantification of antibodies?
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If the radius of a right circular cylinder is quadrupled, by what factor must the height be multiplied in order to keep the volume the same?
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Two people take turns counting, starting by saying “1,” then “1, 2,” then “1, 2, 3,” and so on. What is the 54th number spoken?
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Which of the following is not considered a plant organ? W) Roots X) Stems Y) Leaves Z) Sieve-tube elements
W: W) Roots
X: X) Stems
Y: Y) Leaves
Z: Z) Sieve-tube elements
Answer: Z) Z) Sieve-tube elements
What functional group is characteristic of ketones and aldehydes?
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The temperature and luminosity of what celestial objects are plotted on Hertzsprung–Russell diagrams?
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What planet in the solar system is less dense than water?
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RNA molecules can be catalysts that are called what?
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The cardiac center is located in which of the following structures? W) Medulla X) Pons Y) Hypothalamus Z) Cerebellum
W: W) Medulla
X: X) Pons
Y: Y) Hypothalamus
Z: Z) Cerebellum
Answer: W) W) Medulla
A scientist has a sample containing lithium, sodium, sulfur, and magnesium. In a flame test, which of the following elements will burn red? W) Lithium X) Sodium Y) Sulfur Z) Magnesium
W: W) Lithium
X: X) Sodium
Y: Y) Sulfur
Z: Z) Magnesium
Answer: W) W) Lithium
What acid-base indicator is colorless below pH 8 and was previously used as a laxative?
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Which of the following illustrates a pair of dependent events? W) Choose a pair of jeans. Then choose a shirt. X) Roll two dice. Then pick a card. Y) Choose a food from a buffet. Then choose a different food. Z) Choose a marble from a bag. Replace it. Choose a marble again.
W: W) Choose a pair of jeans. Then choose a shirt.
X: X) Roll two dice. Then pick a card.
Y: Y) Choose a food from a buffet. Then choose a different food.
Z: Z) Choose a marble from a bag. Replace it. Choose a marble again.
Answer: Y) Y) Choose a food from a buffet. Then choose a different food.
If the length and width of a rectangle are each increased by 50%, by what factor is the perimeter multiplied?
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At what point on a pressure-temperature diagram does gas, liquid, and solid coexist?
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An atom of radon-222 loses an alpha particle to become a more stable atom of which of the following? W) Radium X) Bismuth Y) Polonium Z) Radon
W: W) Radium
X: X) Bismuth
Y: Y) Polonium
Z: Z) Radon
Answer: Y) Y) Polonium