MS Sample Set 1, Round 11 from NSB
Which of the following terms is MOST commonly used to refer to the copying of DNA during the cell cycle? W) duplication X) replication Y) translation Z) complementation
W: W) duplication
X: X) replication
Y: Y) translation
Z: Z) complementation
Answer: X) X) replication
What is the most common term for a random change in the nucleotide base sequence in DNA?
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Which of the following is a simple instrument often used to demonstrate electrostatic induction? W) electroscope X) voltmeter Y) electrometer Z) spectrometer
W: W) electroscope
X: X) voltmeter
Y: Y) electrometer
Z: Z) spectrometer
Answer: W) W) electroscope
What is the most common term for the form of radio telecommunications that broadcasts electromagnetic information by varying the wave frequency?
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Meanders are typically associated with: W) turbulent rivers X) low-gradient streams Y) V-shaped valleys Z) alluvial fans
W: W) turbulent rivers
X: X) low-gradient streams
Y: Y) V-shaped valleys
Z: Z) alluvial fans
Answer: X) X) low-gradient streams
Of the three main parts of the continental margin, which one is considered the flooded part of the continent?
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Find the mean and median, respectively, of the following set of six numbers: 10, 10, 10, 11, 11, 11.
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Consider a line that contains the points A, B, C, D in order from left to right. If AB = 10, BC = 26, and AD = 56, find CD.
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Which of the following would be most useful for separating blood into its component parts? W) cross matching X) precipitation Y) centrifugation Z) atomization
W: W) cross matching
X: X) precipitation
Y: Y) centrifugation
Z: Z) atomization
Answer: Y) Y) centrifugation
Which of the following is closest to the diameter of a standard compact disc or DVD? W) 3 centimeters X) 12 centimeters Y) 20 millimeters Z) 1500 millimeters
W: W) 3 centimeters
X: X) 12 centimeters
Y: Y) 20 millimeters
Z: Z) 1500 millimeters
Answer: X) X) 12 centimeters
Which of the following is the most common long-term storage form of energy for vertebrate animals? W) nucleic acids X) proteins Y) starch Z) lipids
W: W) nucleic acids
X: X) proteins
Y: Y) starch
Z: Z) lipids
Answer: Z) Z) lipids
What is the name for the structures in plants that regulate air entering the plant through stems and leaves?
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Which of the following is LEAST accurate regarding the element helium? W) It is the second most abundant element in the universe X) It is constantly escaping from Earth’s atmosphere into space Y) It is toxic to humans even in very low concentrations Z) It is a noble gas
W: W) It is the second most abundant element in the universe
X: X) It is constantly escaping from Earth’s atmosphere into space
Y: Y) It is toxic to humans even in very low concentrations
Z: Z) It is a noble gas
Answer: Y) Y) It is toxic to humans even in very low concentrations
Which of the following substances, when pure, typically contains ONLY carbon atoms? W) isopropyl alcohol X) glass Y) graphite Z) natural gas
W: W) isopropyl alcohol
X: X) glass
Y: Y) graphite
Z: Z) natural gas
Answer: Y) Y) graphite
What parasitic disease is one of the most common infectious diseases in the world and got its name because it was thought to be caused by or associated with bad air?
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Which of the following contains the FEWEST calories? W) 1 large, fresh apple X) 1 large, baked potato Y) 1 cup raw spinach Z) 1 tablespoon extra virgin olive oil
W: W) 1 large, fresh apple
X: X) 1 large, baked potato
Y: Y) 1 cup raw spinach
Z: Z) 1 tablespoon extra virgin olive oil
Answer: Y) Y) 1 cup raw spinach
The presence of which of the following most clearly indicates that much of the U.S. was covered by shallow seas for millions of years? W) limestone X) breccia Y) basalt Z) coal
W: W) limestone
X: X) breccia
Y: Y) basalt
Z: Z) coal
Answer: W) W) limestone
In which of the following locations would a preponderance of actively-produced pillow lavas be found? W) Mount Saint Helens X) mid-Atlantic ridge Y) Mount Vesuvius, Italy Z) Yellowstone Caldera
W: W) Mount Saint Helens
X: X) mid-Atlantic ridge
Y: Y) Mount Vesuvius, Italy
Z: Z) Yellowstone Caldera
Answer: X) X) mid-Atlantic ridge
Simplify the following expression, combining like terms: $$2x - 3y - (5x - 4y).$$
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A scale drawing of a tractor is drawn as 1 inch = 4 feet. If the width of the bucket is drawn as $$\tfrac{5}{8}$$ inch, what is the actual width of the bucket, in feet to the first decimal place?
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Which of the following is a general term widely used by scientists to indicate artificial growth of cells in the laboratory? W) culture X) monocell Y) attenuate Z) decoction
W: W) culture
X: X) monocell
Y: Y) attenuate
Z: Z) decoction
Answer: W) W) culture
Which of the following is the most common term biologists use for the molecule that an enzyme will act on? W) substrate X) product Y) producer Z) catalyst
W: W) substrate
X: X) product
Y: Y) producer
Z: Z) catalyst
Answer: W) W) substrate
Which of the following is NOT true? W) The freezing point of pure water is 0 °C at sea level X) When pure water freezes, it reaches its maximum density at 0 °C Y) Adding salt to ice will lower its melting point Z) When pure maple syrup is cooled below 0 °C, pure water ice separates out
W: W) The freezing point of pure water is 0 °C at sea level
X: X) When pure water freezes, it reaches its maximum density at 0 °C
Y: Y) Adding salt to ice will lower its melting point
Z: Z) When pure maple syrup is cooled below 0 °C, pure water ice separates out
Answer: X) X) When pure water freezes, it reaches its maximum density at 0 °C
Name all of the following four processes where energy is released: 1) water melts 2) water freezes 3) evaporation 4) condensation
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Which of the following is NOT true? W) Global sea levels have generally risen over the past 18,000 years X) The Mississippi River Delta in Louisiana has one of the highest rates of wetland loss in the U.S. Y) Tide stations measure local sea levels Z) Most of Earth’s groundwater comes from glacial meltwater
W: W) Global sea levels have generally risen over the past 18,000 years
X: X) The Mississippi River Delta in Louisiana has one of the highest rates of wetland loss in the U.S.
Y: Y) Tide stations measure local sea levels
Z: Z) Most of Earth’s groundwater comes from glacial meltwater
Answer: Z) Z) Most of Earth’s groundwater comes from glacial meltwater
The primary process in the mechanical weathering of rocks worldwide is: W) exfoliation X) abrasion Y) thermal expansion Z) thermal contraction
W: W) exfoliation
X: X) abrasion
Y: Y) thermal expansion
Z: Z) thermal contraction
Answer: X) X) abrasion
Subtract $$2\sqrt{7}$$ from $$5\sqrt{7}$$, giving your answer in its simplest radical form.
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If on average 2 out of 7 students prefer vegetarian sandwiches over non-vegetarian sandwiches, how many vegetarian sandwiches should be ordered for 1,400 students?
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Chickenpox is a disease caused by a: W) bacteria X) fungus Y) virus Z) protozoan
W: W) bacteria
X: X) fungus
Y: Y) virus
Z: Z) protozoan
Answer: Y) Y) virus
Which of the following is an autoimmune disease? W) lupus X) spina bifida Y) scabies Z) yellow fever
W: W) lupus
X: X) spina bifida
Y: Y) scabies
Z: Z) yellow fever
Answer: W) W) lupus
Which of the following is a protein? W) glycerol X) trypsin Y) cholesterol Z) tyrosine
W: W) glycerol
X: X) trypsin
Y: Y) cholesterol
Z: Z) tyrosine
Answer: X) X) trypsin
Name all of the following four cells of a human that are typically haploid: 1) skin cell 2) mature ovum 3) sperm 4) lymphocyte
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Giving the proper charges, what are the chemical formulas for the major ions present in an aqueous solution of sodium hydroxide, or NaOH?
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Arrange the following three pure substances in order of increasing melting points at 1 atm: 1) iron 2) oxygen 3) water
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Which of the following is a greenhouse gas that primarily comes from landfills, coal mines, oil and natural gas operations, and agriculture? W) ozone X) sulfur dioxide Y) nitric oxide Z) methane
W: W) ozone
X: X) sulfur dioxide
Y: Y) nitric oxide
Z: Z) methane
Answer: Z) Z) methane
Mammoths and mastodons became extinct around the end of the: W) Cretaceous X) Jurassic Y) Triassic Z) Pleistocene
W: W) Cretaceous
X: X) Jurassic
Y: Y) Triassic
Z: Z) Pleistocene
Answer: Z) Z) Pleistocene
For the equation $$-3x + 4y = 16$$, find $$y$$ when $$x = 0$$.
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If the point on a graph with coordinates $$(3, 2)$$ is translated 1 unit to the left and 3 units down, and then another 3 units to the left and 2 units up, what are the new coordinates?
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The Pleiades is an open cluster whose stars all formed from the same interstellar cloud. What basic force holds this cluster together?
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If we were to use human developmental stages for the age of our Sun, in which of the following stages of life would our Sun be considered? W) infant X) teenager Y) middle age Z) elderly
W: W) infant
X: X) teenager
Y: Y) middle age
Z: Z) elderly
Answer: Y) Y) middle age
Tell whether the medusa and polyp stages of hydrozoans are haploid or diploid, respectively.
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Name all of the following four choices that are most commonly associated with asexual reproduction in organisms: 1) meiosis 2) budding 3) binary fission 4) fragmentation
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As what color will a red object appear when illuminated by a blue light?
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What is the wavelength, in meters, of a sound wave that has a frequency of 4 kHz and a speed in a medium of 400 m/s?
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The impact crater located beneath the Yucatán Peninsula in Mexico is implicated in causing an extinction event that happened between which of the following two periods? W) Permian and Triassic X) Cretaceous and Tertiary Y) Cambrian and Ordovician Z) Devonian and Carboniferous
W: W) Permian and Triassic
X: X) Cretaceous and Tertiary
Y: Y) Cambrian and Ordovician
Z: Z) Devonian and Carboniferous
Answer: X) X) Cretaceous and Tertiary
What is the name for the Era that began after the extinction event that occurred at the end of the Cretaceous Period?
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Expand the following expression, giving your answer in standard form: $$(x + 10)^2$$.
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Find the following product, giving your answer in standard form: $$(2x + y)(x + y)$$.
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What fraction of the celestial sphere can be seen from the Earth’s South Pole?
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Name all of the following states of matter through which sound can travel: 1) solid 2) liquid 3) gas 4) plasma
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