MS Sample Set 1, Round 7 from NSB
Which of the following laws most directly limits the ability of a simple machine to an efficiency of 100% or lower: W) Hooke’s law X) law of equal proportions Y) the first law of motion Z) the law of conservation of energy
W: W) Hooke’s law
X: X) law of equal proportions
Y: Y) the first law of motion
Z: Z) the law of conservation of energy
Answer: Z) Z) the law of conservation of energy
To the first decimal place, what is the ideal mechanical advantage of a lever with a resistance arm of 200 centimeters and an effort arm of 3.4 meters?
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Which of the following characteristics is most commonly associated with a tsunami wave as opposed to a normal ocean wave in the open ocean: W) period of 5 seconds X) wavelength of 300 miles Y) speed of 50 miles per hour Z) motion of only the uppermost layer of water
W: W) period of 5 seconds
X: X) wavelength of 300 miles
Y: Y) speed of 50 miles per hour
Z: Z) motion of only the uppermost layer of water
Answer: X) X) wavelength of 300 miles
Which of the following is a true tidal wave: W) tsunami X) tidal bore Y) rip current Z) tidal range
W: W) tsunami
X: X) tidal bore
Y: Y) rip current
Z: Z) tidal range
Answer: X) X) tidal bore
Divide $$\displaystyle\frac{x^5}{x^3}$$ and simplify:
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Evaluate the following and give your answer as a mixed fraction in lowest terms: $$9\tfrac{2}{1} \;-\; 5\tfrac{5}{2}$$
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Which of the following does the prefix endo (e n d o) mean, as in the word endoscope: W) under X) dark Y) inside Z) invisible
W: W) under
X: X) dark
Y: Y) inside
Z: Z) invisible
Answer: Y) Y) inside
Arrange the following three choices in order of INCREASING speed: 3 feet per minute; 5 yards per minute; 30 yards per hour
Choices:
Correct Order:
Which of the following anatomical structures do sharks NOT possess: W) gill covers or opercula X) lateral lines Y) cartilaginous skeletons Z) livers
W: W) gill covers or opercula
X: X) lateral lines
Y: Y) cartilaginous skeletons
Z: Z) livers
Answer: W) W) gill covers or opercula
What scientist is sometimes considered the father of genetics because of his extensive studies on the patterns of inheritance?
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What is the mass of an electron: W) about the same as a proton X) about ½ as much as a proton Y) about 1/1,800th of a proton Z) electrons have no mass
W: W) about the same as a proton
X: X) about ½ as much as a proton
Y: Y) about 1/1,800th of a proton
Z: Z) electrons have no mass
Answer: Y) Y) about 1/1,800th of a proton
A 10,000-newton car is on the top floor of a parking garage 25 meters above the ground. Relative to the ground, what is the gravitational potential energy, in joules, of the car?
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Streams running off the terminus of glaciers have a high bed load and easily erodible banks, typically forming which of the following types of stream patterns: W) meandering X) oxbow Y) braided Z) back swamp
W: W) meandering
X: X) oxbow
Y: Y) braided
Z: Z) back swamp
Answer: Y) Y) braided
Which of the following is similar to a delta but forms when a steep mountain stream spreads out from a mountain canyon onto a flat, broad valley: W) alluvial fan X) levee Y) playa Z) flood plain
W: W) alluvial fan
X: X) levee
Y: Y) playa
Z: Z) flood plain
Answer: W) W) alluvial fan
Solve the following equation for x: $$15x + 8x - 3x = 120$$
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Divide $$\frac{9}{5}$$ by $$5^3$$ and give your answer as a proper fraction in lowest terms:
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Which of the following BEST describes the SI unit called the Newton: W) a unit of power X) a unit of force Y) a unit of work Z) a unit of energy
W: W) a unit of power
X: X) a unit of force
Y: Y) a unit of work
Z: Z) a unit of energy
Answer: X) X) a unit of force
Rounded to the nearest whole number, how many meters per second is equal to 40 kilometers per hour?
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How many phalanges are in a human thumb?
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Which of the following terms is most often used to describe a biochemical reaction where the forward reaction is at the same rate as the reverse reaction: W) isothermic X) isotropic Y) equilibrium Z) homeotropic
W: W) isothermic
X: X) isotropic
Y: Y) equilibrium
Z: Z) homeotropic
Answer: Y) Y) equilibrium
Alkali metals all have the same: W) number of electrons in their outer shells X) atomic radii Y) electronegativities Z) melting points
W: W) number of electrons in their outer shells
X: X) atomic radii
Y: Y) electronegativities
Z: Z) melting points
Answer: W) W) number of electrons in their outer shells
Which of the following liquids at room temperature and 1 atmosphere would have the GREATEST surface tension: W) distilled water X) ethanol Y) methanol Z) acetone
W: W) distilled water
X: X) ethanol
Y: Y) methanol
Z: Z) acetone
Answer: W) W) distilled water
Which of the following most likely formed a U-shaped valley: W) glacial erosion X) mountain stream erosion Y) wind erosion Z) deforestation
W: W) glacial erosion
X: X) mountain stream erosion
Y: Y) wind erosion
Z: Z) deforestation
Answer: W) W) glacial erosion
Which of the following gives glacial meltwater a quality which is commonly described as glacial milk: W) ice crystals in the water X) the abundance of trapped air Y) large amounts of suspended material Z) the abundance of cyanobacteria
W: W) ice crystals in the water
X: X) the abundance of trapped air
Y: Y) large amounts of suspended material
Z: Z) the abundance of cyanobacteria
Answer: Y) Y) large amounts of suspended material
Name all of the following 3 statements which are always TRUE: 1) a square is a regular polygon 2) an equilateral triangle is equiangular 3) a scalene triangle has 2 sides of equal length
Choices:
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Which of the following is evenly divisible by each of the counting numbers 1 through 8: W) 360 X) 1,250 Y) 1,800 Z) 2,520
W: W) 360
X: X) 1,250
Y: Y) 1,800
Z: Z) 2,520
Answer: Z) Z) 2,520
Which of the following instruments consists of a weighted glass tube or bulb, which is floated in a liquid to measure the liquid’s relative density: W) hydrometer X) hypsometer Y) densitometer Z) sensometer
W: W) hydrometer
X: X) hypsometer
Y: Y) densitometer
Z: Z) sensometer
Answer: W) W) hydrometer
Identify each of the following 3 materials as derived from a plant or animal source, respectively: lanolin; silk; jute
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In which of the following areas of the human body is the frontal bone found: W) pelvis X) spine Y) shoulder Z) head
W: W) pelvis
X: X) spine
Y: Y) shoulder
Z: Z) head
Answer: Z) Z) head
In which of the following areas of the human body is the ileum bone found: W) pelvis X) wrist Y) shoulder Z) head
W: W) pelvis
X: X) wrist
Y: Y) shoulder
Z: Z) head
Answer: W) W) pelvis
Which of the following chemical formulas gives an indication of the arrangement of atoms and bonds in a chemical compound: W) empirical X) molecular Y) structural Z) polyatomic
W: W) empirical
X: X) molecular
Y: Y) structural
Z: Z) polyatomic
Answer: Y) Y) structural
How many total atoms are in any one molecule of Epsom salts, or MgSO₄·7H₂O?
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Which of the following is made of microcrystalline quartz and is very hard and compact: W) gypsum X) chalk Y) limestone Z) chert
W: W) gypsum
X: X) chalk
Y: Y) limestone
Z: Z) chert
Answer: Z) Z) chert
Which of the following is NOT true of geodes: W) they occur in sedimentary and certain volcanic rocks X) they look like ordinary rocks from the outside Y) their exterior is typically made up of limestone Z) they are not found in the U.S.
W: W) they occur in sedimentary and certain volcanic rocks
X: X) they look like ordinary rocks from the outside
Y: Y) their exterior is typically made up of limestone
Z: Z) they are not found in the U.S.
Answer: Z) Z) they are not found in the U.S.
Give the numerical value of $$8! / 8!$$:
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Evaluate the following expression: $$10 + \bigl[8 + (2 – 10)\bigr]$$
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Which of the following is the study of bees: W) herpetology X) apiology Y) ichthyology Z) ornithology
W: W) herpetology
X: X) apiology
Y: Y) ichthyology
Z: Z) ornithology
Answer: X) X) apiology
Which of the following is CLOSEST to the height, in meters, of a person who is 4 feet 11 inches tall: W) 1.2 X) 1.5 Y) 1.8 Z) 2.2
W: W) 1.2
X: X) 1.5
Y: Y) 1.8
Z: Z) 2.2
Answer: X) X) 1.5
In what organelle do parenchymal cells store most of a plant’s cellular fluid?
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Name all of the following 3 groups of plants that have no xylem: mosses; ferns; conifers
Choices:
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Which of the following is generally NOT true: W) the boiling point of water decreases with increased altitude on Earth X) the melting point of table salt is much higher than that of glucose Y) radon is radioactive Z) metals react with nonmetals to form new metals
W: W) the boiling point of water decreases with increased altitude on Earth
X: X) the melting point of table salt is much higher than that of glucose
Y: Y) radon is radioactive
Z: Z) metals react with nonmetals to form new metals
Answer: Z) Z) metals react with nonmetals to form new metals
What is the percent efficiency, rounded to the nearest whole number, of a simple machine that requires 600 joules of energy input to achieve 400 joules of energy output?
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Which of the following most likely made the trip from Europe to the New World possible for early sailors: W) the westerlies X) the trade winds Y) the doldrums Z) the jet stream
W: W) the westerlies
X: X) the trade winds
Y: Y) the doldrums
Z: Z) the jet stream
Answer: X) X) the trade winds
Which of the following is a dark gray, low cloud associated with continuous falling rain: W) altocumulus X) stratocumulus Y) cumulus humilis Z) nimbostratus
W: W) altocumulus
X: X) stratocumulus
Y: Y) cumulus humilis
Z: Z) nimbostratus
Answer: Z) Z) nimbostratus
Evaluate $$y/x$$ when $$x = 0$$ and $$y = -8$$:
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Jill has \$2.25 consisting of U.S. dimes and quarters. If she has 5 more dimes than quarters, how many dimes and quarters, respectively, does she have?
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What is the common term for the most accepted theory on how the universe came into being?
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What letter is most often used by scientists as a symbol for light or the speed of light?
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What glands of the human body are most responsible for producing what is sometimes called the stress hormone cortisol?
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Name all of the following 3 choices that are common functions of feathers on birds: thermal insulation; sexual selection; flight
Choices:
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