MS Sample Set 8, Round 3 from NSB
What sedimentary rock consists of angular rock fragments that are cemented together in a fine-grained cement? W) Sandstone X) Conglomerate Y) Till Z) Breccia
W: W) Sandstone
X: X) Conglomerate
Y: Y) Till
Z: Z) Breccia
Answer: Z) Z) Breccia
Put the following three minerals in order of increasing hardness: 1) plagioclase, 2) corundum, 3) gypsum.
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When two tectonic plates meet in a subduction zone and a mountain forms over time, what type of boundary does this create? W) Convergent X) Divergent Y) Transformative Z) Continental
W: W) Convergent
X: X) Divergent
Y: Y) Transformative
Z: Z) Continental
Answer: W) W) Convergent
Isotopes are atoms of an element that are different because they have a different number of which of the following? W) Protons X) Neutrons Y) Electrons Z) Nuclei
W: W) Protons
X: X) Neutrons
Y: Y) Electrons
Z: Z) Nuclei
Answer: X) X) Neutrons
As a ball rolls down an inclined plane in free motion, what is the normal force acting on the ball? W) Equal to the ball’s weight X) Less than the ball’s weight Y) Greater than the ball’s weight Z) Depends on the volume of the ball
W: W) Equal to the ball’s weight
X: X) Less than the ball’s weight
Y: Y) Greater than the ball’s weight
Z: Z) Depends on the volume of the ball
Answer: X) X) Less than the ball’s weight
The molecular weight of sodium is 22.99 grams per mole, and the molecular weight of chlorine is 35.45 grams per mole. What is the molecular weight in grams per mole of sodium chloride?
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What is the mean of the set of four numbers: 5, -5, 5, -5? W) -1 X) 0 Y) 1/5 Z) 1
W: W) -1
X: X) 0
Y: Y) 1/5
Z: Z) 1
Answer: X) X) 0
In centimeters, how long is a sweater that is woven at a rate of 70 centimeters per hour if you start a timer when the sweater is 45 centimeters long, and you measure the entire sweater when the timer reads 3 hours?
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A sea star would NOT be found in which of the following marine environments? W) Intertidal zone X) Pelagic zone Y) Benthic zone Z) Littoral zone
W: W) Intertidal zone
X: X) Pelagic zone
Y: Y) Benthic zone
Z: Z) Littoral zone
Answer: X) X) Pelagic zone
Which of the following is NOT an illness caused by bacteria? W) Strep throat X) Toxic shock syndrome Y) Scarlet fever Z) Influenza
W: W) Strep throat
X: X) Toxic shock syndrome
Y: Y) Scarlet fever
Z: Z) Influenza
Answer: Z) Z) Influenza
Which of Jupiter's moons shows the most volcanic activity?
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Which of the following is NOT part of a delta? W) Prodelta X) Delta lake Y) Delta plain Z) Delta front
W: W) Prodelta
X: X) Delta lake
Y: Y) Delta plain
Z: Z) Delta front
Answer: X) X) Delta lake
When ingested, which of the following provides the greatest number of calories per gram? W) Fat X) Protein Y) Carbohydrates Z) Ethanol
W: W) Fat
X: X) Protein
Y: Y) Carbohydrates
Z: Z) Ethanol
Answer: W) W) Fat
Where is the site of the most significant accident in the U.S. commercial nuclear energy industry?
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What is the name for the process by which plants absorb light from the Sun and convert it to chemical energy?
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A convex lens will cause parallel beams of light to converge. What will happen to parallel beams of light passed through a concave lens?
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An atom containing only a single proton and no electrons is which of the following? W) An anion X) A noble gas Y) A cation Z) A radioactive metal
W: W) An anion
X: X) A noble gas
Y: Y) A cation
Z: Z) A radioactive metal
Answer: Y) Y) A cation
The carbon atoms in diamond are held together by what type of bond?
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What is the thousandths place digit in the decimal form of 11/9?
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The price of a certain cell phone was originally marked $250 on Thursday. On Friday, the price was reduced by 20% and then the new price was increased by 20% on Saturday. What was the cost of the cell phone on Saturday? W) $100 X) $120 Y) $240 Z) $250
W: W) $100
X: X) $120
Y: Y) $240
Z: Z) $250
Answer: Y) Y) $240
Human epidermis is MOSTLY composed of which of the following basic animal tissue types? W) Epithelial X) Connective Y) Nervous Z) Muscle
W: W) Epithelial
X: X) Connective
Y: Y) Nervous
Z: Z) Muscle
Answer: W) W) Epithelial
Which type of jawed fish can detect prey under the sand through electrical sensitivity?
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What process is responsible for the first appearance of oxygen in our atmosphere?
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What two very valuable gemstones are variations of the mineral corundum?
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Imagine that you are conducting an experiment to test the effects of temperature on plant height. Which of the following describes plant height in this experiment? W) Dependent variable X) Controlled variable Y) Independent variable Z) Predictor variable
W: W) Dependent variable
X: X) Controlled variable
Y: Y) Independent variable
Z: Z) Predictor variable
Answer: W) W) Dependent variable
What are the three major climatic zones? W) Tropical, subtropical and arctic X) Tropical, subarctic, and arctic Y) Tropical, temperate, and polar Z) Subtropical, tropical, and temperate
W: W) Tropical, subtropical and arctic
X: X) Tropical, subarctic, and arctic
Y: Y) Tropical, temperate, and polar
Z: Z) Subtropical, tropical, and temperate
Answer: Y) Y) Tropical, temperate, and polar
The ultimate energy source for geothermal energy is which of the following? W) Radioactive decay of elements in the Earth’s interior X) Gravitational contraction of the Earth’s interior Y) Leftover thermal energy from the formation of the Earth’s interior Z) Energy from earthquakes in the Earth’s interior
W: W) Radioactive decay of elements in the Earth’s interior
X: X) Gravitational contraction of the Earth’s interior
Y: Y) Leftover thermal energy from the formation of the Earth’s interior
Z: Z) Energy from earthquakes in the Earth’s interior
Answer: W) W) Radioactive decay of elements in the Earth’s interior
Petroleum is a non-renewable resource. What term refers to the point in the future when the maximum rate of petroleum extraction will be reached, and supplies will begin to decrease?
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If a reaction is carried out and there is no change in temperature, it would be considered what type of reaction?
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During science lab, several students discovered that iodine dissolved readily in ethanol. In this case, the ethanol could be classified as which of the following? W) An alloy X) A solute Y) A solution Z) A solvent
W: W) An alloy
X: X) A solute
Y: Y) A solution
Z: Z) A solvent
Answer: Z) Z) A solvent
Express $$81^x$$ with a prime base.
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Ignoring dimensions, the volume of a sphere of radius r is equal to how many times its surface area? W) r/3 X) r Y) 2r Z) 3r
W: W) r/3
X: X) r
Y: Y) 2r
Z: Z) 3r
Answer: W) W) r/3
Which of the following is NOT a monomer? W) Amino acid X) Glucose Y) Maltose Z) Nucleotide
W: W) Amino acid
X: X) Glucose
Y: Y) Maltose
Z: Z) Nucleotide
Answer: Y) Y) Maltose
On a sunny day, if the stomata on a plant leaf are forced to close, what two molecules, used by animals, would be prevented from leaving the leaf?
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What is the cataclysmic event in which a star with a mass 15 times that of the Sun will end its life?
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Which of the following is not true of seawater? W) Seawater is denser than fresh water X) The freezing point of seawater decreases as salt concentration increases Y) Seawater is uniformly saline throughout the world Z) The thermal conductivity of seawater decreases with increasing salinity
W: W) Seawater is denser than fresh water
X: X) The freezing point of seawater decreases as salt concentration increases
Y: Y) Seawater is uniformly saline throughout the world
Z: Z) The thermal conductivity of seawater decreases with increasing salinity
Answer: Y) Y) Seawater is uniformly saline throughout the world
What is true about lines of longitude? W) They are measured east or west of the prime meridian X) They are measured in equidistant lines Y) The lines run parallel to the equator Z) They are measured starting from the International Date Line
W: W) They are measured east or west of the prime meridian
X: X) They are measured in equidistant lines
Y: Y) The lines run parallel to the equator
Z: Z) They are measured starting from the International Date Line
Answer: W) W) They are measured east or west of the prime meridian
What enzyme catalyzes the formation of DNA from deoxyribonucleoside 5′-triphosphates, using DNA as a template?
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When four moles of solid aluminum react with three moles of oxygen gas to form aluminum oxide, this reaction is known as which of the following types of reaction? W) Decomposition X) Synthesis Y) Neutralization Z) Displacement
W: W) Decomposition
X: X) Synthesis
Y: Y) Neutralization
Z: Z) Displacement
Answer: X) X) Synthesis
A man stands in front of a concave mirror with a focal length of 200 centimeters and sees an upright image of his face at twice its actual size. How far, in centimeters, is he from the mirror? W) 25 X) 50 Y) 100 Z) 200
W: W) 25
X: X) 50
Y: Y) 100
Z: Z) 200
Answer: Y) Y) 100
What is the value of x that makes the following equation true: x = -3(x – 4)?
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Simplify the expression $$(12a^3 b^4 c^2)^{-2}$$.
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What happens as the activation energy of a reaction increases? W) The reaction rate increases X) The reaction rate decreases Y) The products have lower energy Z) The reactants have lower energy
W: W) The reaction rate increases
X: X) The reaction rate decreases
Y: Y) The products have lower energy
Z: Z) The reactants have lower energy
Answer: X) X) The reaction rate decreases
Identify all of the following three factors that will affect the period of the resulting motion: 1) acceleration of gravity, 2) length of the string, 3) mass of the weight.
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What environmental condition is mandatory for yeast to complete fermentation? W) Absence of oxygen X) High temperature Y) Low pH Z) High osmotic pressure
W: W) Absence of oxygen
X: X) High temperature
Y: Y) Low pH
Z: Z) High osmotic pressure
Answer: W) W) Absence of oxygen
Which of the following is the most basic function of human eye lashes? W) To shade the eye from bright sun X) To prevent small particles from entering the eyes Y) To attract a mate Z) To help disperse tears when blinking
W: W) To shade the eye from bright sun
X: X) To prevent small particles from entering the eyes
Y: Y) To attract a mate
Z: Z) To help disperse tears when blinking
Answer: X) X) To prevent small particles from entering the eyes