MS Sample Set 11, Round 1 from NSB
Which of the following appliances typically uses the most electricity per unit time? W) Vacuum cleaner X) Hair dryer Y) 60-watt incandescent light bulb Z) Desktop computer in active mode
W: W) Vacuum cleaner
X: X) Hair dryer
Y: Y) 60-watt incandescent light bulb
Z: Z) Desktop computer in active mode
Answer: X) X) Hair dryer
Research at Lawrence Livermore National Laboratory is aimed at reducing methane emissions. According to the Energy Information Administration, which of the following fractions is closest to the estimate of the 100-year net global warming potential of methane? W) One-one-hundredth X) One-fourth Y) Three-fourths Z) Nine-tenths
W: W) One-one-hundredth
X: X) One-fourth
Y: Y) Three-fourths
Z: Z) Nine-tenths
Answer: X) X) One-fourth
Which of the following is not considered a type of wetland? W) Fen X) Bog Y) Swamp Z) Bay
W: W) Fen
X: X) Bog
Y: Y) Swamp
Z: Z) Bay
Answer: Z) Z) Bay
In our solar system, how many moons does the fourth planet from the Sun have? W) 0 X) 1 Y) 2 Z) 4
W: W) 0
X: X) 1
Y: Y) 2
Z: Z) 4
Answer: Y) Y) 2
Which of the following statements about a right triangle is NOT necessarily true? W) One angle measures 90 degrees X) The hypotenuse is the longest side Y) It has at least one obtuse angle Z) It has two acute angles
W: W) One angle measures 90 degrees
X: X) The hypotenuse is the longest side
Y: Y) It has at least one obtuse angle
Z: Z) It has two acute angles
Answer: Y) Y) It has at least one obtuse angle
If p and q are consecutive integers, identify all of the following four numbers that are always odd: 1) p + q; 2) pq; 3) pq + 1; 4) (p + q)².
Choices:
Correct Answers:
A diver finds an underwater cave filled with bacteria that seem to feed on volcanic sulfur vents. What type of organisms are these? W) Heterotroph X) Hemotroph Y) Chemotroph Z) Phototroph
W: W) Heterotroph
X: X) Hemotroph
Y: Y) Chemotroph
Z: Z) Phototroph
Answer: Y) Y) Chemotroph
A liver cell has stopped functioning and a scientist observes that it is producing lactic acid. Failure of what organelle most likely caused the liver cell to stop functioning? W) Mitochondrion X) Nucleus Y) Ribosome Z) Golgi Body
W: W) Mitochondrion
X: X) Nucleus
Y: Y) Ribosome
Z: Z) Golgi Body
Answer: W) W) Mitochondrion
Which of the following is a unit for sound intensity level? W) Amplitude X) Watt Y) Decibel Z) Hertz
W: W) Amplitude
X: X) Watt
Y: Y) Decibel
Z: Z) Hertz
Answer: Y) Y) Decibel
In which of the following cases will the displacement of the object be the least? W) A 1.2-kilogram object moving 4 meters up an incline of 45 degrees X) A 3.1-kilogram object moving 3 meters on a flat surface Y) A 0.5-kilogram object moving 6 meters along a circle with circumference 6 meters Z) Cannot be determined from the information given
W: W) A 1.2-kilogram object moving 4 meters up an incline of 45 degrees
X: X) A 3.1-kilogram object moving 3 meters on a flat surface
Y: Y) A 0.5-kilogram object moving 6 meters along a circle with circumference 6 meters
Z: Z) Cannot be determined from the information given
Answer: Y) Y) A 0.5-kilogram object moving 6 meters along a circle with circumference 6 meters
Which of the following is true about the water table? W) It is deeper in summer than winter X) It does not vary under high pumping rates Y) It varies due to precipitation amounts Z) It is constant throughout the year
W: W) It is deeper in summer than winter
X: X) It does not vary under high pumping rates
Y: Y) It varies due to precipitation amounts
Z: Z) It is constant throughout the year
Answer: Y) Y) It varies due to precipitation amounts
Which of the following best approximates the ratio of the volume of Olympus Mons to that of Mauna Loa? W) 10 X) 50 Y) 100 Z) 1000
W: W) 10
X: X) 50
Y: Y) 100
Z: Z) 1000
Answer: Y) Y) 100
What is 300 + 200 – 333?
Acceptable Answers:
What is the radius of the circle with equation x² + 4x + y² = 12?
Acceptable Answers:
The length of a meter was re-defined in 1983 to be based on what physical quantity? W) A wavelength of krypton-86 radiation X) The distance light travels in a specific fraction of a second in a vacuum Y) The length of a one-kilogram bar of iridium Z) A specific fraction of the length of the meridian through Paris from the North Pole to the Equator
W: W) A wavelength of krypton-86 radiation
X: X) The distance light travels in a specific fraction of a second in a vacuum
Y: Y) The length of a one-kilogram bar of iridium
Z: Z) A specific fraction of the length of the meridian through Paris from the North Pole to the Equator
Answer: X) X) The distance light travels in a specific fraction of a second in a vacuum
In meters per second squared, what is the acceleration experienced by a 10-kilogram mass if it is being pushed by a 15-newton force?
Acceptable Answers:
Calling a tsunami a tidal wave is misleading because of what characteristic of a tsunami? W) It is not a wave X) It is not caused by tides Y) It does not occur in the ocean Z) It only occurs during ebb tides
W: W) It is not a wave
X: X) It is not caused by tides
Y: Y) It does not occur in the ocean
Z: Z) It only occurs during ebb tides
Answer: X) X) It is not caused by tides
The thin, upper fraction of the pelagic zone is known as what?
Acceptable Answers:
What is the term for proteins that act as catalysts in chemical reactions?
Acceptable Answers:
In a human heart, through what structure does oxygenated blood first pass? W) Right Atrium X) Right Ventricle Y) Left Atrium Z) Left Ventricle
W: W) Right Atrium
X: X) Right Ventricle
Y: Y) Left Atrium
Z: Z) Left Ventricle
Answer: Y) Y) Left Atrium
If the discriminant of a quadratic equation is –9, which of the following best describes the roots of the equation? W) No roots X) 3 and -3 Y) Irrational Z) Complex
W: W) No roots
X: X) 3 and -3
Y: Y) Irrational
Z: Z) Complex
Answer: Z) Z) Complex
If Y is a point outside square ABCD, and triangle BYC is equilateral, what is the degree measure of angle BYA?
Acceptable Answers:
Which of the following materials is the best thermal conductor? W) Glass X) A sheet of plastic Y) A block of aluminum Z) An air mattress
W: W) Glass
X: X) A sheet of plastic
Y: Y) A block of aluminum
Z: Z) An air mattress
Answer: Y) Y) A block of aluminum
What is the adjective for a process that occurs at constant pressure?
Acceptable Answers:
What is the term for the process of burning a fuel? W) Conduction X) Combustion Y) Explosion Z) Transformation
W: W) Conduction
X: X) Combustion
Y: Y) Explosion
Z: Z) Transformation
Answer: X) X) Combustion
As a spring is compressed, which of the following best describes what happens to the amount of elastic potential energy stored in the spring? W) It increases X) It decreases Y) It is unchanged Z) It decreases, then increases
W: W) It increases
X: X) It decreases
Y: Y) It is unchanged
Z: Z) It decreases, then increases
Answer: W) W) It increases
In the United States, which of the following renewable energy sources provides the smallest annual energy output? W) Solar X) Hydroelectric Y) Biomass Z) Wind
W: W) Solar
X: X) Hydroelectric
Y: Y) Biomass
Z: Z) Wind
Answer: W) W) Solar
Which of the following is not a potential environmental concern related to concentrating solar plants? W) Generation of high temperatures X) Wildlife strikes with turbines Y) Use of large land areas Z) Use of water for cooling
W: W) Generation of high temperatures
X: X) Wildlife strikes with turbines
Y: Y) Use of large land areas
Z: Z) Use of water for cooling
Answer: X) X) Wildlife strikes with turbines
Which of the major groups of plants contains no vasculature? W) Bryophytes X) Gymnosperms Y) Angiosperms Z) Embryophytes
W: W) Bryophytes
X: X) Gymnosperms
Y: Y) Angiosperms
Z: Z) Embryophytes
Answer: W) W) Bryophytes
Which of the following is NOT a difference between archaeans and eubacteria? W) Archaeans have a nucleus, while eubacteria do not X) Eubacteria have peptidoglycan in their cell walls, while archaeans do not Y) Archaeans can have introns, while eubacteria do not Z) Archaeans have several different RNA polymerases, while eubacteria have just one
W: W) Archaeans have a nucleus, while eubacteria do not
X: X) Eubacteria have peptidoglycan in their cell walls, while archaeans do not
Y: Y) Archaeans can have introns, while eubacteria do not
Z: Z) Archaeans have several different RNA polymerases, while eubacteria have just one
Answer: W) W) Archaeans have a nucleus, while eubacteria do not
Which of the following has the highest pH? W) Sea water X) Lemon juice Y) Baking soda Z) Chlorine bleach
W: W) Sea water
X: X) Lemon juice
Y: Y) Baking soda
Z: Z) Chlorine bleach
Answer: Z) Z) Chlorine bleach
What type of radioactive decay occurs when carbon-14 decays to nitrogen-14?
Acceptable Answers:
Identify all of the following 3 types of numbers that both π and √2 are: 1) Rational; 2) Irrational; 3) Real.
Choices:
Correct Answers:
If the length of each edge of a 3-centimeter cube is tripled, what is the volume, in cubic centimeters, of the resulting cube?
Acceptable Answers:
What is the term for the percentage of light reflected by an object?
Acceptable Answers:
Which of the following is an asterism as opposed to a constellation? W) Orion X) Big Dipper Y) Crux Z) Ursa Minor
W: W) Orion
X: X) Big Dipper
Y: Y) Crux
Z: Z) Ursa Minor
Answer: X) X) Big Dipper
Calculate the mean of the following 4 numbers: 20, 10, 30, 40
Acceptable Answers:
Simplify the following expression: 3√8 − √50 + √32.
Acceptable Answers:
What is the name for the part of the Sun that, by definition, is completely hidden in a total eclipse?
Acceptable Answers:
What is the name for a strong ground-level wind system that emanates from a point source above and blows radially from the point of contact at ground level? W) Waterspout X) Downburst Y) Fire storm Z) Jet stream
W: W) Waterspout
X: X) Downburst
Y: Y) Fire storm
Z: Z) Jet stream
Answer: X) X) Downburst
Which of the following taxonomic categories is the highest rank, including all of the other choices? W) Order X) Class Y) Species Z) Phylum
W: W) Order
X: X) Class
Y: Y) Species
Z: Z) Phylum
Answer: Z) Z) Phylum
Which of the following organisms has radial symmetry? W) Sea urchin X) Sea horse Y) Sea otter Z) Sea turtle
W: W) Sea urchin
X: X) Sea horse
Y: Y) Sea otter
Z: Z) Sea turtle
Answer: W) W) Sea urchin
What cellular organelle encloses the cell with a lipid bilayer and separates the internal environment from the outside?
Acceptable Answers:
What process introduces genetic variation during meiosis and does not occur during mitosis?
Acceptable Answers:
You are a mountaineer preparing to summit Mt. Everest. Over the course of your climb, you notice that the mountain is losing snow cover without any signs of physical removal from wind or melting. What phase change are you observing?
Acceptable Answers:
To the nearest tenth of a day, how long is a sidereal month?
Acceptable Answers: