MS Sample Set 1, Round 14 from NSB
The graph of which of the following equations has a negative slope: W) y = 2x – 4 X) y = –2x + 4 Y) y = –4 Z) x = –2
W: W) y = 2x – 4
X: X) y = –2x + 4
Y: Y) y = –4
Z: Z) x = –2
Answer: X) X) y = –2x + 4
Simplify the following completely: 4² · 2² ÷ (6² · 3²) · 20 x y z – x y z
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Which of the following is NOT true: W) all fires burn with a yellow flame X) snowflakes and raindrops often contain bacteria Y) a general rule for solubility is that ‘like dissolves like’ Z) a super-cooled liquid is a liquid at a temperature below its normal freezing point
W: W) all fires burn with a yellow flame
X: X) snowflakes and raindrops often contain bacteria
Y: Y) a general rule for solubility is that ‘like dissolves like’
Z: Z) a super-cooled liquid is a liquid at a temperature below its normal freezing point
Answer: W) W) all fires burn with a yellow flame
Which of the following BEST describes the range of sizes of most animal cells: W) 0.2 to 2.0 micrometers X) 2.0 to 4.0 micrometers Y) 5.0 to 20.0 micrometers Z) 12.0 to 40.0 micrometers
W: W) 0.2 to 2.0 micrometers
X: X) 2.0 to 4.0 micrometers
Y: Y) 5.0 to 20.0 micrometers
Z: Z) 12.0 to 40.0 micrometers
Answer: Y) Y) 5.0 to 20.0 micrometers
Which of the following is most advantageous to plants that depend on insects for pollination: W) absence of rhizomes X) sticky pollen Y) small green flowers Z) numerous stomata
W: W) absence of rhizomes
X: X) sticky pollen
Y: Y) small green flowers
Z: Z) numerous stomata
Answer: X) X) sticky pollen
Name all of the following biological molecules that are considered polymers: 1) glucose; 2) cellulose; 3) DNA; 4) RNA
Choices:
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Which of the following materials in pure form would register the LOWEST amount of ohms for a given electric current at 20 °C if all other variables are constant: W) silver X) gold Y) tin Z) lead
W: W) silver
X: X) gold
Y: Y) tin
Z: Z) lead
Answer: W) W) silver
Which of the following optical devices produces a real image: W) plane mirror X) convex mirror Y) concave lens Z) convex lens
W: W) plane mirror
X: X) convex mirror
Y: Y) concave lens
Z: Z) convex lens
Answer: Z) Z) convex lens
A semidiurnal tidal pattern is more typical of which of the following locations: W) the East Coast of the U.S. X) the West Coast of the U.S. Y) the Gulf of Mexico Z) the North Pole
W: W) the East Coast of the U.S.
X: X) the West Coast of the U.S.
Y: Y) the Gulf of Mexico
Z: Z) the North Pole
Answer: W) W) the East Coast of the U.S.
Which of the following is the most notable product of the hydrolysis of feldspar: W) chalk X) sandstone Y) clay minerals Z) halite
W: W) chalk
X: X) sandstone
Y: Y) clay minerals
Z: Z) halite
Answer: Y) Y) clay minerals
Which of the following is closest in value to √51: W) 5.1 X) 5.5 Y) 6.8 Z) 7.1
W: W) 5.1
X: X) 5.5
Y: Y) 6.8
Z: Z) 7.1
Answer: Z) Z) 7.1
Find the next three terms of the arithmetic sequence whose first three terms are: 23, 15, 7
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Which of the following is one of the most likely causes of algal blooms in waterways along the Chesapeake Bay: W) fertilizers X) natural pesticides Y) nitrogen-fixing bacteria Z) plastics pollution
W: W) fertilizers
X: X) natural pesticides
Y: Y) nitrogen-fixing bacteria
Z: Z) plastics pollution
Answer: W) W) fertilizers
Giving your answer as winter, spring, summer, or fall, in what season will “dead zones” be most prevalent in the Chesapeake Bay?
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Pampas, steppes, and savannas are all different types of: W) deserts X) tropical forests Y) tropical shrublands Z) grasslands
W: W) deserts
X: X) tropical forests
Y: Y) tropical shrublands
Z: Z) grasslands
Answer: Z) Z) grasslands
Which of the following biomes takes up more square area of the world than any other biome: W) rainforest X) savanna Y) taiga Z) tundra
W: W) rainforest
X: X) savanna
Y: Y) taiga
Z: Z) tundra
Answer: Y) Y) taiga
Hydrogen bonding is NOT important in the physical and chemical properties of: W) liquid water X) water ice Y) DNA Z) methane gas
W: W) liquid water
X: X) water ice
Y: Y) DNA
Z: Z) methane gas
Answer: Z) Z) methane gas
Arrange the following three diatomic molecules in order of increasing number of bonds between atoms: 1) oxygen; 2) fluorine; 3) nitrogen
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Correct Order:
Which of the following is NOT a key step in the rock cycle: W) cementation X) melting Y) cooling Z) evaporation
W: W) cementation
X: X) melting
Y: Y) cooling
Z: Z) evaporation
Answer: Z) Z) evaporation
Most of Earth’s deserts in the northern hemisphere are located near which of the following latitudes: W) 0º X) 30º Y) 70º Z) 90º
W: W) 0º
X: X) 30º
Y: Y) 70º
Z: Z) 90º
Answer: X) X) 30º
Express the following radical in simplified form for all positive values of x and y: (36x y)^(4/6)
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Find the product of 2^(5x) times 5^x, giving your answer in its simplest radical form for all positive values of x.
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Which of the following is typically used to sterilize laboratory glassware: W) hot plate X) freeze dryer Y) autoclave Z) fume hood
W: W) hot plate
X: X) freeze dryer
Y: Y) autoclave
Z: Z) fume hood
Answer: Y) Y) autoclave
Which of the following is NOT true of the Big Dipper: W) it is a well known constellation that can be seen from mid-northern latitudes X) it appears on the opposite side of the North Star from Cassiopeia Y) it is sometimes called the Plough Z) assuming clear skies, it can be seen throughout the night every night of the year from mid-northern latitudes
W: W) it is a well known constellation that can be seen from mid-northern latitudes
X: X) it appears on the opposite side of the North Star from Cassiopeia
Y: Y) it is sometimes called the Plough
Z: Z) assuming clear skies, it can be seen throughout the night every night of the year from mid-northern latitudes
Answer: W) W) it is a well known constellation that can be seen from mid-northern latitudes
Which of the following is the most likely highest power for an objective lens on a typical student compound light microscope: W) 25-times X) 100-times Y) 500-times Z) 1500-times
W: W) 25-times
X: X) 100-times
Y: Y) 500-times
Z: Z) 1500-times
Answer: X) X) 100-times
Order the following four parts of the human intestine from first to receive food from the stomach to last: 1) colon; 2) duodenum; 3) ileum; 4) jejunum
Choices:
Correct Order:
Which of the following is NOT true of pH: W) the terms basic or alkaline describe a solution with pH greater than 7 X) the highest value on the pH scale is 14 Y) strong acids dissociate almost completely in water Z) a pH meter operates by measuring small differences in the density of different fluids
W: W) the terms basic or alkaline describe a solution with pH greater than 7
X: X) the highest value on the pH scale is 14
Y: Y) strong acids dissociate almost completely in water
Z: Z) a pH meter operates by measuring small differences in the density of different fluids
Answer: Z) Z) a pH meter operates by measuring small differences in the density of different fluids
A decrease of 1 unit on the pH scale represents which of the following: W) a 10-fold increase in the hydrogen ion concentration X) a 10-fold decrease in the hydrogen ion concentration Y) a 100-fold increase in the hydrogen ion concentration Z) a 100-fold decrease in the hydrogen ion concentration
W: W) a 10-fold increase in the hydrogen ion concentration
X: X) a 10-fold decrease in the hydrogen ion concentration
Y: Y) a 100-fold increase in the hydrogen ion concentration
Z: Z) a 100-fold decrease in the hydrogen ion concentration
Answer: W) W) a 10-fold increase in the hydrogen ion concentration
Earth’s atmosphere contains several different layers that are most often defined according to: W) pressure X) moisture Y) wind velocity Z) temperature
W: W) pressure
X: X) moisture
Y: Y) wind velocity
Z: Z) temperature
Answer: Z) Z) temperature
Name all of the following three factors that influence wind direction on Earth: 1) Coriolis effect; 2) centripetal force; 3) pressure gradients
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Which of the following is closest in value to 79²: W) 6084 X) 6241 Y) 6399 Z) 6400
W: W) 6084
X: X) 6241
Y: Y) 6399
Z: Z) 6400
Answer: X) X) 6241
Solve the following equation for x: 9x² + 12x = –4
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In 2005, into what celestial object did the Deep Impact probe crash?
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Which of the following terms is used most often by astronomers for the total energy emitted per unit time from a star: W) apparent magnitude X) watts Y) luminosity Z) stellar unit
W: W) apparent magnitude
X: X) watts
Y: Y) luminosity
Z: Z) stellar unit
Answer: Y) Y) luminosity
The presence of which of the following is the most important characteristic that allows xylem to function in plants: W) plastids and chloroplasts X) strong thick walls Y) large fluid-filled vacuoles Z) nuclei and endoplasmic reticulum
W: W) plastids and chloroplasts
X: X) strong thick walls
Y: Y) large fluid-filled vacuoles
Z: Z) nuclei and endoplasmic reticulum
Answer: X) X) strong thick walls
Name all of the following four structures that are composed mostly of keratin: 1) bird’s beak; 2) snake teeth; 3) human fingernail; 4) mammalian fur
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Francium has the lowest electronegativity of the elements. This would indicate that francium is in what corner of the periodic chart: W) upper left X) lower left Y) upper right Z) lower right
W: W) upper left
X: X) lower left
Y: Y) upper right
Z: Z) lower right
Answer: X) X) lower left
Which of the following compounds is LEAST soluble in water and is frequently used as a radiocontrast agent in imaging of the GI tract: W) sodium chloride X) potassium chloride Y) barium sulfate Z) sodium hydroxide
W: W) sodium chloride
X: X) potassium chloride
Y: Y) barium sulfate
Z: Z) sodium hydroxide
Answer: Y) Y) barium sulfate
At any one time, there are always how many major tidal bulges on Earth?
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Which two of the following four forces are primarily responsible for the creation of two major tidal bulges on the Earth: 1) gravity; 2) wind; 3) inertia; 4) sunlight
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Your English teacher asks that you learn 2 new words every day. If you started with 12 new words, how many total new words will you learn after 30 days?
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Arrange the following four values in increasing order: 1) π^(0.5); 2) 0.5; 3) 0.52; 4) ∛5
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What uranium isotope is most common on Earth?
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What is the common name for the plant from which the prized spice saffron is derived?
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What natural plant hormone is most directly involved in controlling phototropism?
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Name all of the following three types of molecules that are generally soluble in water: 1) simple sugars; 2) mRNA; 3) lipids
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Knowing that carbon is in group 4 and period 2 on the Periodic Table, give the electron configuration of the carbon atom:
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Arrange the following four materials in decreasing order of thermal conductivity: 1) granite; 2) rubber; 3) gold; 4) lead
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What is the most common name for the last stellar stage in the life of our Sun?
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The decay rate of the radioactive isotope potassium-40 into stable argon-40 can be used to radiometrically date rocks. If it takes 1.28 billion years for half the potassium-40 to decay, a rock that contains a 50/50 ratio of the two is how many billion years old, to the second decimal place?
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