MS Sample Set 4, Round 14 from NSB
At sea level, what is the approximate atmospheric pressure at the ground in psi? W) 0.15 X) 1.5 Y) 15 Z) 150
W: W) 0.15
X: X) 1.5
Y: Y) 15
Z: Z) 150
Answer: Y) Y) 15
To calculate the escape velocity for an object when it is much smaller than the larger body, name all of the following that can be neglected: 1) Drag force 2) Atmospheric pressure 3) Relative angle at which the smaller object travels
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What is the spongy, glandular organ that secretes digestive enzymes and hormones, including insulin?
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Which of the following statements about pancreatic cancer is NOT true? W) Early pancreatic cancer usually does not cause symptoms X) Pancreatic cancer often remains contained within the pancreas Y) Smoking is a risk factor for pancreatic cancer Z) Pancreatic cancer is difficult to cure
W: W) Early pancreatic cancer usually does not cause symptoms
X: X) Pancreatic cancer often remains contained within the pancreas
Y: Y) Smoking is a risk factor for pancreatic cancer
Z: Z) Pancreatic cancer is difficult to cure
Answer: X) X) Pancreatic cancer often remains contained within the pancreas
Which of the following can be equal to positive 4? W) \(|-3|\times|1|\) X) \(3^2\) Y) \(-\sqrt{-16}\) Z) \(\sqrt{4^2}\)
W: W) \(|-3|\times|1|\)
X: X) \(3^2\)
Y: Y) \(-\sqrt{-16}\)
Z: Z) \(\sqrt{4^2}\)
Answer: Z) Z) \(\sqrt{4^2}\)
A triangle has an area of \(9y^2 - 9y - 10\). The base of the triangle is \(3y - 5\). In terms of \(y\), what is the height of the triangle?
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Fuel cells produce electric currents by means of: W) Nuclear reactions X) Electro chemical reactions Y) Electrical reactions Z) Mechanical reactions
W: W) Nuclear reactions
X: X) Electro chemical reactions
Y: Y) Electrical reactions
Z: Z) Mechanical reactions
Answer: X) X) Electro chemical reactions
What is the current approximate maximum percent efficiency fuel cells can obtain when provided with pure hydrogen? W) 13% X) 50% Y) 64% Z) 80%
W: W) 13%
X: X) 50%
Y: Y) 64%
Z: Z) 80%
Answer: Z) Z) 80%
When an object slides across a horizontal surface, kinetic friction is proportional to which of the following quantities? W) Mass of the object X) Volume of the object Y) The object’s surface area Z) The object’s potential energy
W: W) Mass of the object
X: X) Volume of the object
Y: Y) The object’s surface area
Z: Z) The object’s potential energy
Answer: W) W) Mass of the object
What is the name for the amount of energy it takes to change a unit mass of a solid into the same mass of liquid?
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What inequality would be represented by a number line with an open circle at \(-3\), a closed circle at \(10\), and shading in between?
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On a coordinate grid, a dashed line passes through the points \((-5,0)\) and \((0,5)\), and everything is shaded beneath that line. What inequality is represented by this image?
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What do we call the injection of a weakened form of a pathogen, or a similar but less dangerous pathogen, to produce immunity?
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What disease was the first vaccination intended to prevent?
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The Moon orbits the Earth due to which of the following characteristics of the Earth? W) More volume X) More density Y) Older age Z) Greater mass
W: W) More volume
X: X) More density
Y: Y) Older age
Z: Z) Greater mass
Answer: Z) Z) Greater mass
Imagine you are playing a game on your Nintendo Wii and all of a sudden the TV and Wii turn off unexpectedly, then turn back on 5 seconds later. This indicates a power quality problem; there was a voltage: W) Swell X) Sag Y) Flicker Z) Brilliance
W: W) Swell
X: X) Sag
Y: Y) Flicker
Z: Z) Brilliance
Answer: X) X) Sag
Which of the following sedimentary rocks is often formed in a tropical ocean? W) Sandstone X) Limestone Y) Breccia Z) Shale
W: W) Sandstone
X: X) Limestone
Y: Y) Breccia
Z: Z) Shale
Answer: X) X) Limestone
Which of the following types of physical weathering is referred to as onion skin weathering, where concentric shells of weathered material form around a rock? W) Freeze/thaw X) Exfoliation Y) Unloading Z) Thermal expansion
W: W) Freeze/thaw
X: X) Exfoliation
Y: Y) Unloading
Z: Z) Thermal expansion
Answer: X) X) Exfoliation
What is the degree of the polynomial function \(f(x)=7\)?
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A 10-foot ladder leaned against a wall reaches a window. If the base of the ladder is 3 feet from the wall, how high up is the window? W) Between 6 and 7 feet X) Between 7 and 8 feet Y) Between 8 and 9 feet Z) Between 9 and 10 feet
W: W) Between 6 and 7 feet
X: X) Between 7 and 8 feet
Y: Y) Between 8 and 9 feet
Z: Z) Between 9 and 10 feet
Answer: Z) Z) Between 9 and 10 feet
What is the most abundant molecule in a human cell?
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In which of the following parts of the kidney does filtration occur? W) Renal corpuscle X) Tubule Y) Collecting duct Z) Dendrites
W: W) Renal corpuscle
X: X) Tubule
Y: Y) Collecting duct
Z: Z) Dendrites
Answer: W) W) Renal corpuscle
Alpha decay occurs when an atom emits an alpha particle. What is an alpha particle?
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Arrange the following types of radiation in order from lowest to highest frequency: visible light; ultraviolet radiation; radio waves; infrared radiation.
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Which of the following statements about heating air is true? W) Air over land is heated faster than air over water at the same location X) Air over a light colored sandy beach is heated to a higher temperature than air over the black asphalted parking lot Y) Air over water is heated faster than air over land at the same location Z) Air over ice is heated faster than air over water at the same location
W: W) Air over land is heated faster than air over water at the same location
X: X) Air over a light colored sandy beach is heated to a higher temperature than air over the black asphalted parking lot
Y: Y) Air over water is heated faster than air over land at the same location
Z: Z) Air over ice is heated faster than air over water at the same location
Answer: W) W) Air over land is heated faster than air over water at the same location
You experience an ocean breeze when you stand on the beach on a summer afternoon because: W) Wind always comes into land off the water because air moves more over the ocean X) Air currents are stronger over land Y) Air over land is heated more, causing it to rise and make room for the cooler ocean air Z) Air over water is heated during the day, rises, and then flows inland to the land, where the air is cooler
W: W) Wind always comes into land off the water because air moves more over the ocean
X: X) Air currents are stronger over land
Y: Y) Air over land is heated more, causing it to rise and make room for the cooler ocean air
Z: Z) Air over water is heated during the day, rises, and then flows inland to the land, where the air is cooler
Answer: Y) Y) Air over land is heated more, causing it to rise and make room for the cooler ocean air
What is the fourth root of \(3^4\)?
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If \(n\) is positive, write the following in standard polynomial form: \((5n^2 - 500)\div(n + 10)\).
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Glaciers can have quite an effect on Earth’s surface. They can: W) Stop volcanoes from erupting X) Carve away rock from mountains Y) Sink to the bottom of the ocean then grow until they reach the surface Z) Create new mountain ranges
W: W) Stop volcanoes from erupting
X: X) Carve away rock from mountains
Y: Y) Sink to the bottom of the ocean then grow until they reach the surface
Z: Z) Create new mountain ranges
Answer: X) X) Carve away rock from mountains
Which of the following statements is true about glaciers? W) Glaciers are generally full of rocks and sediments and can move these objects far from their sources X) When a glacier retreats, it moves backwards Y) Humans did not exist when glaciers were covering much of North America Z) There is more glacial ice today than there has been in the past 100 years
W: W) Glaciers are generally full of rocks and sediments and can move these objects far from their sources
X: X) When a glacier retreats, it moves backwards
Y: Y) Humans did not exist when glaciers were covering much of North America
Z: Z) There is more glacial ice today than there has been in the past 100 years
Answer: W) W) Glaciers are generally full of rocks and sediments and can move these objects far from their sources
Amy is pulling a heavy cart. It is harder to start pulling the cart than to keep the cart in motion, because kinetic friction: W) Has decreased X) Is zero once the cart is moving Y) Is only present when the cart is first pulled Z) Is less than static friction
W: W) Has decreased
X: X) Is zero once the cart is moving
Y: Y) Is only present when the cart is first pulled
Z: Z) Is less than static friction
Answer: Z) Z) Is less than static friction
Which of the following forms of electromagnetic radiation has the highest energy? W) Infrared X) Long UV Y) Gamma rays Z) Short UV
W: W) Infrared
X: X) Long UV
Y: Y) Gamma rays
Z: Z) Short UV
Answer: Y) Y) Gamma rays
What is the name of our current geologic epoch?
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Which of the following relative dating principles relies on fossils for dating? W) Original horizontality X) Lateral continuity Y) Faunal succession Z) Cross-cutting relationships
W: W) Original horizontality
X: X) Lateral continuity
Y: Y) Faunal succession
Z: Z) Cross-cutting relationships
Answer: Y) Y) Faunal succession
All of the following cells undergo mitosis EXCEPT: W) Epidermal cells X) Red blood cells Y) Kidney cells Z) Pancreatic cells
W: W) Epidermal cells
X: X) Red blood cells
Y: Y) Kidney cells
Z: Z) Pancreatic cells
Answer: X) X) Red blood cells
Which of the following cell types undergo meiosis? W) Primary spermatocyte X) Epidermal cells Y) Kidney cells Z) Liver cells
W: W) Primary spermatocyte
X: X) Epidermal cells
Y: Y) Kidney cells
Z: Z) Liver cells
Answer: W) W) Primary spermatocyte
Two planets of the same mass are orbiting around the same star. Planet A is three times as far away from the star as Planet B. How does the star’s gravitational force on Planet A compare to the gravitational force on Planet B?
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The radius of Planet C is close to half that of Earth, and both have the same average density. Compared to Earth’s gravitational acceleration at the surface, approximately what will Planet C’s gravity be at its surface? W) \(4g\) X) \(g/4\) Y) \(g\) Z) \(g/2\)
W: W) \(4g\)
X: X) \(g/4\)
Y: Y) \(g\)
Z: Z) \(g/2\)
Answer: Z) Z) \(g/2\)
Which of the following animals do not belong to the phylum of animals called echinoderms? W) Jellyfish X) Sea cucumbers Y) Sea lilies Z) Sea stars
W: W) Jellyfish
X: X) Sea cucumbers
Y: Y) Sea lilies
Z: Z) Sea stars
Answer: W) W) Jellyfish
To which phylum do jellyfish currently belong?
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A resonant circuit has a combination of resistors, capacitors and inductors. It is possible to have the inductor and capacitor continuously charge and discharge and create a: W) Regulator X) Alternator Y) Rectifier Z) Oscillator
W: W) Regulator
X: X) Alternator
Y: Y) Rectifier
Z: Z) Oscillator
Answer: Z) Z) Oscillator
Which of the following is true of a step-down transformer? W) The number of turns in the primary coil is less than the number of turns in the secondary coil X) The number of turns in the primary and secondary coils are the same Y) The number of turns in the primary coil is greater than the number of turns in the secondary coil Z) The action of a step-down transformer does not depend on the number of turns in the primary and secondary coils
W: W) The number of turns in the primary coil is less than the number of turns in the secondary coil
X: X) The number of turns in the primary and secondary coils are the same
Y: Y) The number of turns in the primary coil is greater than the number of turns in the secondary coil
Z: Z) The action of a step-down transformer does not depend on the number of turns in the primary and secondary coils
Answer: Y) Y) The number of turns in the primary coil is greater than the number of turns in the secondary coil
What is the outer part of the Sun’s atmosphere called?
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Which of the following statements is NOT true about the solar wind? W) It escapes the Sun primarily though sun spots X) It is comprised of high-speed charged particles constantly blowing off of the Sun Y) It blows at a speed of about one million miles per hour Z) It can produce storms in the Earth’s magnetosphere
W: W) It escapes the Sun primarily though sun spots
X: X) It is comprised of high-speed charged particles constantly blowing off of the Sun
Y: Y) It blows at a speed of about one million miles per hour
Z: Z) It can produce storms in the Earth’s magnetosphere
Answer: W) W) It escapes the Sun primarily though sun spots
Which of the following elements exists as a diatomic molecule in its lowest energy state? W) Beryllium X) Boron Y) Carbon Z) Nitrogen
W: W) Beryllium
X: X) Boron
Y: Y) Carbon
Z: Z) Nitrogen
Answer: Z) Z) Nitrogen
Which of the following is a metalloid? W) Beryllium X) Nitrogen Y) Carbon Z) Silicon
W: W) Beryllium
X: X) Nitrogen
Y: Y) Carbon
Z: Z) Silicon
Answer: Z) Z) Silicon
As water freezes it often supercools, which means that it: W) Remains liquid below the freezing point X) Cools very quickly Y) Rapidly cools the surrounding environment Z) Becomes a solid above the freezing point
W: W) Remains liquid below the freezing point
X: X) Cools very quickly
Y: Y) Rapidly cools the surrounding environment
Z: Z) Becomes a solid above the freezing point
Answer: W) W) Remains liquid below the freezing point
As water begins changing phase from liquid to solid, what is happening with the energy of the system, including the ice and the surrounding water? W) No energy is being exchanged X) Energy from the forming ice is given off to the surrounding water Y) Energy from the surrounding water is given off to the forming ice Z) The whole system loses energy rapidly, becoming supercooled
W: W) No energy is being exchanged
X: X) Energy from the forming ice is given off to the surrounding water
Y: Y) Energy from the surrounding water is given off to the forming ice
Z: Z) The whole system loses energy rapidly, becoming supercooled
Answer: X) X) Energy from the forming ice is given off to the surrounding water
Which of the following is a polynomial? W) \(a^2 - \tfrac{4}{a} + 3\) X) \(3a^2 - a^{-2} + 1\) Y) \(15a^2 - a^{1.5} - 3\) Z) \(a^3\)
W: W) \(a^2 - \tfrac{4}{a} + 3\)
X: X) \(3a^2 - a^{-2} + 1\)
Y: Y) \(15a^2 - a^{1.5} - 3\)
Z: Z) \(a^3\)
Answer: Z) Z) \(a^3\)
What is the equation of the line, in slope-intercept form, which passes through the points \((-3,2)\) and \((-5,6)\)?
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