MS Sample Set 4, Round 13 from NSB
Which one of the following is an issue of power quality? W) Connecting an alarm clock to a battery X) Voltage provided to a blood pressure monitor used in hospitals that is higher than what it should be for long periods of time Y) Wasting nuclear energy produced by nuclear power plants Z) Connecting a ceiling fan to a power outlet
W: W) Connecting an alarm clock to a battery
X: X) Voltage provided to a blood pressure monitor used in hospitals that is higher than what it should be for long periods of time
Y: Y) Wasting nuclear energy produced by nuclear power plants
Z: Z) Connecting a ceiling fan to a power outlet
Answer: X) X) Voltage provided to a blood pressure monitor used in hospitals that is higher than what it should be for long periods of time
For an outlet with a voltage of 120, calculate the voltage in volts if the voltage is 30% over the usual value.
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If you shine unpolarized light through a polarizing filter, the light that exits the filter is: W) Half as intense X) Equally as intense Y) Dispersed into many colors Z) Scattered in all directions
W: W) Half as intense
X: X) Equally as intense
Y: Y) Dispersed into many colors
Z: Z) Scattered in all directions
Answer: W) W) Half as intense
If you shine white light through two linear polarizing filters that have their directions of polarizations perpendicular to one another, what will you observe about the light at the other end?
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By words or numbers, name all of the following that are organs in the human digestive system: 1) Pancreas; 2) Jejunum; 3) Duodenum; 4) Bladder.
Choices:
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Name the body system to which the trachea belongs.
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Greenhouse gases heat the atmosphere by allowing sunlight to pass through while trapping heat. Which of the following planets does NOT have an atmosphere that contains greenhouse gases? W) Earth X) Venus Y) Mars Z) Mercury
W: W) Earth
X: X) Venus
Y: Y) Mars
Z: Z) Mercury
Answer: Z) Z) Mercury
Which of the following statements is NOT true about Mercury? W) Mercury is the second densest planet in the solar system X) Mercury travels around the Sun faster than any other planet Y) Mercury has no magnetic field Z) Mercury has been visited by spacecraft
W: W) Mercury is the second densest planet in the solar system
X: X) Mercury travels around the Sun faster than any other planet
Y: Y) Mercury has no magnetic field
Z: Z) Mercury has been visited by spacecraft
Answer: Y) Y) Mercury has no magnetic field
What is the smallest angle, in degrees, formed by the intersection of the lines $y = 2$ and $y = x + 3$?
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What is the equation, in slope–intercept form, of the line perpendicular to the line $y = 3x + 4$ that passes through the point $(-5, 7)$?
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Soundtracks of space movies frequently have sounds of ships exploding or whizzing through space. Why is this an inaccurate depiction of space? W) Sound waves are distorted in space so everything would sound like it was under water X) Sound cannot travel through a vacuum Y) Everything would have a very high pitch in space Z) Space vibrations would muffle the explosions
W: W) Sound waves are distorted in space so everything would sound like it was under water
X: X) Sound cannot travel through a vacuum
Y: Y) Everything would have a very high pitch in space
Z: Z) Space vibrations would muffle the explosions
Answer: X) X) Sound cannot travel through a vacuum
Matilda plays an instrument which produces a higher pitch than the instrument her friend Matt plays. What can we say about the sound waves of Matilda’s music? W) Matilda’s wave peaks are farther apart than Matt’s X) Both Matilda and Matt’s sound waves have the same wavelength, but Matilda’s travel slower Y) Matilda’s wave peaks are closer together than Matt’s Z) Both Matilda and Matt’s sound waves have the same wavelength, but Matilda’s travel faster
W: W) Matilda’s wave peaks are farther apart than Matt’s
X: X) Both Matilda and Matt’s sound waves have the same wavelength, but Matilda’s travel slower
Y: Y) Matilda’s wave peaks are closer together than Matt’s
Z: Z) Both Matilda and Matt’s sound waves have the same wavelength, but Matilda’s travel faster
Answer: Y) Y) Matilda’s wave peaks are closer together than Matt’s
How many common amino acids are there?
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Name the first amino acid encoded by all eukaryotic mRNAs.
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Simplify $y^2 \, y^{-3}$.
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How many subsets does the set $\{a, b, c, d\}$ have?
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Which of the following sectors is the most important factor in assessing future trends in demand for liquid fuels? W) World carbon dioxide emissions X) Transportation Y) Residential buildings Z) Commercial buildings
W: W) World carbon dioxide emissions
X: X) Transportation
Y: Y) Residential buildings
Z: Z) Commercial buildings
Answer: X) X) Transportation
In 2009, the state of Tennessee had the greatest average residential electricity consumption of 1,248 kWh per month at an average retail price of about \$0.09 per kWh. The state of Hawaii had the highest average retail price of about \$0.24 per kWh and an average residential electricity consumption of 617 kWh per month. Giving your answer to the nearest dollar, how much more, on average, was the monthly electricity bill in Hawaii than in Tennessee?
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What type of reaction absorbs energy?
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If a superconductor’s temperature rises above its critical point, the superconductor transitions back to a regular conductor with resistance. If this occurred, and a conductor had a resistance of 1 Ω, what voltage would drive 2 A of current through the conductor?
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Which of the following values is smallest? W) 200 X) $(-16)^2$ Y) $14^2$ Z) $(120/8)^2$
W: W) 200
X: X) $(-16)^2$
Y: Y) $14^2$
Z: Z) $(120/8)^2$
Answer: Y) Y) $14^2$
The radius of the Earth is approximately $6.4\times10^6$ m. Giving your answer in scientific notation with one significant digit, what is the surface area of Earth in square meters?
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In which kingdom could you find an eukaryotic heterotroph with cell walls?
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Which of the following statements is NOT true about slime mold? W) It is a fungus X) It can move Y) It lacks chitin in its cell walls Z) It ingests food
W: W) It is a fungus
X: X) It can move
Y: Y) It lacks chitin in its cell walls
Z: Z) It ingests food
Answer: W) W) It is a fungus
Which of the following components allows renewable systems to produce energy for later use? W) Inductor X) Regulator Y) Battery bank Z) Heater
W: W) Inductor
X: X) Regulator
Y: Y) Battery bank
Z: Z) Heater
Answer: Y) Y) Battery bank
A component of a solar energy system is the charge controller. What is its function? W) To provide electrical protection to the system X) To regulate the amount of power that goes into energy storage for later use Y) To dissipate excess energy Z) To store the energy for later use
W: W) To provide electrical protection to the system
X: X) To regulate the amount of power that goes into energy storage for later use
Y: Y) To dissipate excess energy
Z: Z) To store the energy for later use
Answer: X) X) To regulate the amount of power that goes into energy storage for later use
Which of the following is NOT a moon of Jupiter? W) Titan X) Io Y) Europa Z) Callisto
W: W) Titan
X: X) Io
Y: Y) Europa
Z: Z) Callisto
Answer: W) W) Titan
Which of the following statements is NOT true about Jupiter’s moon Europa? W) It was discovered by Galileo X) Its atmosphere is primarily composed of methane Y) It orbits Jupiter every 3 and a half days Z) It has a deep salty ocean which is frozen over
W: W) It was discovered by Galileo
X: X) Its atmosphere is primarily composed of methane
Y: Y) It orbits Jupiter every 3 and a half days
Z: Z) It has a deep salty ocean which is frozen over
Answer: X) X) Its atmosphere is primarily composed of methane
Solve for $x$ in simplest form: $x^2 = 50$.
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Factor completely over the integers: $15y^2 - y - 6$.
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Which organ system is responsible for protecting you against viruses, bacteria, and other pathogens?
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Name the type of immune cell that is attacked by HIV.
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Which genetic disorder is caused by a mutation in one gene, leading to thick, sticky mucus clogging the lungs, pancreas, and passageways in other organs? W) Cystic fibrosis X) Huntington’s disease Y) Klinefelter syndrome Z) Sickle cell anemia
W: W) Cystic fibrosis
X: X) Huntington’s disease
Y: Y) Klinefelter syndrome
Z: Z) Sickle cell anemia
Answer: W) W) Cystic fibrosis
A father is colorblind, but his wife is not colorblind and is not a carrier of the gene for colorblindness. If the couple has a son, will he be colorblind? W) Yes, because colorblindness is always passed from father to son X) No, because the mother is neither colorblind nor a carrier of colorblindness Y) There is a 50% chance because colorblindness is autosomal dominant Z) Yes, because the gene for colorblindness is located on the Y chromosome
W: W) Yes, because colorblindness is always passed from father to son
X: X) No, because the mother is neither colorblind nor a carrier of colorblindness
Y: Y) There is a 50% chance because colorblindness is autosomal dominant
Z: Z) Yes, because the gene for colorblindness is located on the Y chromosome
Answer: X) X) No, because the mother is neither colorblind nor a carrier of colorblindness
What is the largest integer smaller than ?
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What is the multiplicative inverse of the rational number halfway between $-1/3$ and $-1/4$?
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The general paths of storm systems that travel across the continental United States are primarily driven by: W) Ocean currents X) Local winds Y) Mountains Z) The jet stream
W: W) Ocean currents
X: X) Local winds
Y: Y) Mountains
Z: Z) The jet stream
Answer: Z) Z) The jet stream
The jet stream separates major air masses over the central continental U.S. The high pressure air mass to the north of the jet stream has which of the following characteristics in winter? W) Warm and humid X) Warm and dry Y) Cold and humid Z) Cold and dry
W: W) Warm and humid
X: X) Warm and dry
Y: Y) Cold and humid
Z: Z) Cold and dry
Answer: Z) Z) Cold and dry
What is a meteorite? W) An asteroid X) A kind of comet Y) A natural particle from space that vaporizes upon entering Earth’s atmosphere Z) A natural particle from space that survives impact with the Earth’s surface
W: W) An asteroid
X: X) A kind of comet
Y: Y) A natural particle from space that vaporizes upon entering Earth’s atmosphere
Z: Z) A natural particle from space that survives impact with the Earth’s surface
Answer: Z) Z) A natural particle from space that survives impact with the Earth’s surface
Sea ice is formed by frozen seawater, which contains salt. At what temperature, in Celsius, will sea ice freeze? W) –11.20 X) –1.8 Y) 0 Z) +0.001
W: W) –11.20
X: X) –1.8
Y: Y) 0
Z: Z) +0.001
Answer: X) X) –1.8
According to Charles’s law, which property of a gas increases as its temperature increases?
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Which of the following elements has the highest boiling point? W) Copper X) Magnesium Y) Zinc Z) Gold
W: W) Copper
X: X) Magnesium
Y: Y) Zinc
Z: Z) Gold
Answer: Z) Z) Gold
Not counting the Sun itself, what is the name of the closest star to the Sun?
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What is the largest moon in our Solar System? W) Io X) Europa Y) Ganymede Z) Callisto
W: W) Io
X: X) Europa
Y: Y) Ganymede
Z: Z) Callisto
Answer: Y) Y) Ganymede
Babies cannot walk well. As they grow older, which of the following parts of their nervous systems will interact with their muscles, allowing for increased coordination? W) Somatic X) Autonomic Y) Sympathetic Z) Parasympathetic
W: W) Somatic
X: X) Autonomic
Y: Y) Sympathetic
Z: Z) Parasympathetic
Answer: W) W) Somatic
When you have the flu, what part of the nervous system is responsible for elevating your body temperature? W) Medulla oblongata X) Pons Y) Hypothalamus Z) Brain stem
W: W) Medulla oblongata
X: X) Pons
Y: Y) Hypothalamus
Z: Z) Brain stem
Answer: Y) Y) Hypothalamus
Which of the following is the term for the swampy area where a river valley meets the sea? W) Playa X) Trench Y) Spit Z) Estuary
W: W) Playa
X: X) Trench
Y: Y) Spit
Z: Z) Estuary
Answer: Z) Z) Estuary
When fresh water streams meet the salty ocean, water of intermediate salinity forms. What term is used to describe this type of water?
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For what did Marie Curie win the Nobel Prize in chemistry? W) Discovering uranium and plutonium X) Discovering radon Y) Discovering curium Z) Discovering radium and polonium
W: W) Discovering uranium and plutonium
X: X) Discovering radon
Y: Y) Discovering curium
Z: Z) Discovering radium and polonium
Answer: Z) Z) Discovering radium and polonium
Who is credited with creating the first vaccine?
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