MS Sample Set 9, Round 12 from NSB
What type of nebula consists primarily of hot, ionized gas that radiates light? W) Planetary nebula X) Emission nebula Y) Reflection nebula Z) H1 region
W: W) Planetary nebula
X: X) Emission nebula
Y: Y) Reflection nebula
Z: Z) H1 region
Answer: X) X) Emission nebula
Order the following three gases from least common to most common in the atmosphere of Mars: 1) Oxygen; 2) Argon; 3) Carbon dioxide.
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Which of the following sectors in the United States uses the most petroleum? W) Industry X) Residential Y) Transportation Z) Construction
W: W) Industry
X: X) Residential
Y: Y) Transportation
Z: Z) Construction
Answer: Y) Y) Transportation
What form of energy provides about 14% of the world's electricity, with France, Belgium, and Hungary having a much greater proportion?
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What is the x-intercept of the line with the equation 4x – 3y = 48?
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A right triangle has sides of length 7, 24, and 25. What is the length of the altitude to the hypotenuse?
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What network of microtubules, microfilaments, and intermediate filaments extends throughout the cytoplasm and provides structural and functional properties to the cell?
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In humans, what organ is responsible for producing glucagon?
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As a solid undergoes a phase change to a liquid state, it: W) Releases heat while remaining at a constant temperature X) Absorbs heat while remaining at a constant temperature Y) Releases heat as the temperature increases Z) Absorbs heat as the temperature increases
W: W) Releases heat while remaining at a constant temperature
X: X) Absorbs heat while remaining at a constant temperature
Y: Y) Releases heat as the temperature increases
Z: Z) Absorbs heat as the temperature increases
Answer: X) X) Absorbs heat while remaining at a constant temperature
What is the chemical name of Al₂O₃?
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Which of the following compartments is responsible for the large amount of greenhouse gas emissions from cattle? W) Rumen X) Reticulum Y) Abomasum Z) Omasum
W: W) Rumen
X: X) Reticulum
Y: Y) Abomasum
Z: Z) Omasum
Answer: W) W) Rumen
What phenomenon do noise-cancelling headphones use in order to cancel out repetitive sound waves?
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When solutions of silver nitrate and potassium chloride are reacted, a solid precipitate forms. What is the precipitate?
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Using the appropriate units, what is the momentum of a 14 kilogram bicycle traveling at 2 meters per second?
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Which of the following types of quadrilaterals may have some opposite sides that are not congruent? W) Parallelogram X) Square Y) Trapezoid Z) Rectangle
W: W) Parallelogram
X: X) Square
Y: Y) Trapezoid
Z: Z) Rectangle
Answer: Y) Y) Trapezoid
What is the y-intercept of the line that contains the points (1, 4) and (5, 10)?
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The Fujita scale is used to measure the intensity of what weather phenomena?
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Rank the following three minerals from least to most in terms of the Mohs scale of hardness: 1) Feldspar; 2) Calcite; 3) Topaz.
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Human skin is mostly composed of what tissue type? W) Connective X) Nervous Y) Muscular Z) Epithelial
W: W) Connective
X: X) Nervous
Y: Y) Muscular
Z: Z) Epithelial
Answer: Z) Z) Epithelial
Alkenes and radical initiators are generally used for forming which of the following? W) Aromatic rings X) Saturated hydrocarbons Y) Polymers Z) Diamines
W: W) Aromatic rings
X: X) Saturated hydrocarbons
Y: Y) Polymers
Z: Z) Diamines
Answer: Y) Y) Polymers
Which of the following would be the best outgroup when building a phylogenetic tree of cats? W) Leopard X) Lion Y) Domestic cat Z) Wolf
W: W) Leopard
X: X) Lion
Y: Y) Domestic cat
Z: Z) Wolf
Answer: Z) Z) Wolf
Which of the following is the most important function of fiber tracheids in woody plants? W) Energy storage X) Structural support Y) Sugary sap movement Z) Absorption of nutrients from the soil
W: W) Energy storage
X: X) Structural support
Y: Y) Sugary sap movement
Z: Z) Absorption of nutrients from the soil
Answer: X) X) Structural support
Ribulose bisphosphate is part of what bioenergetics cycle that takes place in plants?
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Which of the following correctly explains why electrolysis is not used for the industrial production of hydrogen? W) Hydrogen gas produced by electrolysis is relatively impure X) Hydrogen gas is produced very slowly by electrolysis Y) Hydrogen gas produced by electrolysis is relatively expensive Z) Hydrogen gas produced by electrolysis is unreactive
W: W) Hydrogen gas produced by electrolysis is relatively impure
X: X) Hydrogen gas is produced very slowly by electrolysis
Y: Y) Hydrogen gas produced by electrolysis is relatively expensive
Z: Z) Hydrogen gas produced by electrolysis is unreactive
Answer: Y) Y) Hydrogen gas produced by electrolysis is relatively expensive
Honeybees and other pollinators transfer pollen from the: W) Anther to the Stigma of the Flower X) Stigma to the Anther of the Flower Y) Filament to the Sepal of the Flower Z) Sepal to the Filament of the Flower
W: W) Anther to the Stigma of the Flower
X: X) Stigma to the Anther of the Flower
Y: Y) Filament to the Sepal of the Flower
Z: Z) Sepal to the Filament of the Flower
Answer: W) W) Anther to the Stigma of the Flower
During what time in geological history did many present-day phyla of animals appear in the fossil record and the first large, hard-bodied animals emerge?
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When do water molecules move back and forth between the liquid and the gaseous state? W) Only when the air is saturated X) Only at the boiling point Y) Only when the outward movement of vapor molecules produces a pressure equal to the atmospheric pressure Z) At all times
W: W) Only when the air is saturated
X: X) Only at the boiling point
Y: Y) Only when the outward movement of vapor molecules produces a pressure equal to the atmospheric pressure
Z: Z) At all times
Answer: Z) Z) At all times
What type of bond between atoms is defined to be an equal sharing of electrons?
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How many points of intersection do the graphs of the functions $$f(x)=x^2$$ and $$g(x)=x^4$$ have?
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Marc is flying a kite in the shape of a rhombus with one diagonal measuring 10 and the other measuring 5. What is the area of the kite?
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The moons of what planet are named for Shakespearean characters?
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During perihelion, the Earth is approximately what percent closer to the Sun than average? W) 30% X) 10% Y) 2% Z) 0.50%
W: W) 30%
X: X) 10%
Y: Y) 2%
Z: Z) 0.50%
Answer: Y) Y) 2%
An object's weight is a relationship between the object's mass and its: W) Density X) Molecular structure Y) Gravitational acceleration Z) Gravitational force
W: W) Density
X: X) Molecular structure
Y: Y) Gravitational acceleration
Z: Z) Gravitational force
Answer: Y) Y) Gravitational acceleration
Identify all of the following three pairings where the species is NOT paired with the correct domain of life: 1) Archaea and Methanosarcina barkeri; 2) Bacteria and Caenorhabditis elegans; 3) Eukarya and Saccharomyces cerevisiae.
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Identify all of the following three logical conclusions that follow from the statement “all A are B”: 1) All B are A; 2) If C is A, then C is also B; 3) If C is not A, then C is not B.
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Which of the following points lies inside the circle defined by the equation $$x^2 + y^2 = 25$$? W) (3, 4) X) (4, −3) Y) (4, 2 √2) Z) (4, 3 √2)
W: W) (3, 4)
X: X) (4, −3)
Y: Y) (4, 2 √2)
Z: Z) (4, 3 √2)
Answer: Y) Y) (4, 2 √2)
Fjords are created by what land features?
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By what process do organisms adapt to changes in their natural environment that subject the organism to physiological stress?
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Ethylene and cytokines are hormones in what type of organisms?
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What term in leaf classification is used to describe leaves consisting of leaflets or lobes radiating from the base?
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Which of the following explains why the same side of the Moon always faces the Earth? W) The Moon is tidally locked to the Earth X) The Moon rotates around its axis once every 12 hours Y) The Moon rotates around its axis once every 24 hours Z) The Moon is gravitationally uncoupled from the Earth
W: W) The Moon is tidally locked to the Earth
X: X) The Moon rotates around its axis once every 12 hours
Y: Y) The Moon rotates around its axis once every 24 hours
Z: Z) The Moon is gravitationally uncoupled from the Earth
Answer: W) W) The Moon is tidally locked to the Earth
Project Mercury was a US program that aimed to build a spacecraft to orbit what planet?
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Tetraethyllead was banned as an anti-knocking additive to gasoline due to concerns that it released dangerous heavy metal emissions into the environment. During what decade did the phaseout of leaded gasoline begin? W) The 1950’s X) The 1960’s Y) The 1970’s Z) The 1980’s
W: W) The 1950’s
X: X) The 1960’s
Y: Y) The 1970’s
Z: Z) The 1980’s
Answer: Y) Y) The 1970’s
Engine fuel is rated on what scale, which uses n-heptane and 2,2,4-trimethylpentane as the standards for scores of 0 and 100, respectively?
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What form of highly-purified coal is used in smelting iron ore to make steel?
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What is the common name of the acid HClO₂?
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