MS Sample Set 8, Round 11 from NSB
Phytoplankton blooms in the North Atlantic happen on a predictable annual cycle, depending on the availability of light and nutrients. In what month would you expect to find the highest chlorophyll concentration? W) December X) May Y) July Z) October
W: W) December
X: X) May
Y: Y) July
Z: Z) October
Answer: X) X) May
Ants can lift large masses relative to their body mass. Which of the following mathematical terms describes this relationship? W) Work/mass X) Power/surface area Y) Force/mass Z) Power/mass
W: W) Work/mass
X: X) Power/surface area
Y: Y) Force/mass
Z: Z) Power/mass
Answer: Y) Y) Force/mass
Pete the dog breeder is fencing in two square areas in order to separate his male and female dogs. One square region has an area of 100 square feet. The smaller square region has an area of 81 square feet. How many total feet of fencing does he need to enclose both square regions if the regions do not share any fence?
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The length of a rectangle is increased by 20%, and the width of the rectangle is increased by 30%. By what percentage will the area of the rectangle be increased?
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What happens to the amount of light reflected as the angle of incidence increases when light passes from air to water? W) It increases X) It decreases Y) It remains the same Z) It increases then decreases
W: W) It increases
X: X) It decreases
Y: Y) It remains the same
Z: Z) It increases then decreases
Answer: W) W) It increases
What impurity found in coal contributes to acid rain? W) Sulfur X) Hydrogen Y) Carbon Z) Chlorine
W: W) Sulfur
X: X) Hydrogen
Y: Y) Carbon
Z: Z) Chlorine
Answer: W) W) Sulfur
Which of the following species thrives in a salt marsh? W) Blue crabs X) Sea turtles Y) Coral reefs Z) Alligators
W: W) Blue crabs
X: X) Sea turtles
Y: Y) Coral reefs
Z: Z) Alligators
Answer: W) W) Blue crabs
Another bacterium living in the mud utilizes the hydrogen sulfide in its own metabolism. What molecule is it most likely to use in a redox reaction with hydrogen sulfide? W) Ammonia X) Hydrogen Y) Nitrate Z) Iron
W: W) Ammonia
X: X) Hydrogen
Y: Y) Nitrate
Z: Z) Iron
Answer: Y) Y) Nitrate
Which of the following is farthest from the Sun? W) Kuiper Belt X) Oort Cloud Y) Persephone Z) Neptune
W: W) Kuiper Belt
X: X) Oort Cloud
Y: Y) Persephone
Z: Z) Neptune
Answer: X) X) Oort Cloud
An iceberg is formed by the breakage of an ice shelf. What is the term for this event?
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What is the name of the mechanism responsible for the evolution of a species?
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What is the primary type of intermolecular bond that water molecules are able to form because of their polarity?
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Which of the following lines is perpendicular to y = 6x – 4? W) y = -x/6 + 5 X) 2y = 12x + 4 Y) y = x + 11 Z) y = (1/6)x - 14
W: W) y = -x/6 + 5
X: X) 2y = 12x + 4
Y: Y) y = x + 11
Z: Z) y = (1/6)x - 14
Answer: W) W) y = -x/6 + 5
Evaluate the expression: √(617 + √(48 + √256))
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Name the four parts of the operating cycle of an internal combustion engine.
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The key factor in deciding an electric car’s lifespan is the battery life. Once the electric car’s battery can’t deliver the required power for a car it must be replaced. What is one possible new use for old electric car batteries? W) Recycling X) Energy storage units in neighborhoods Y) Being used in smaller vehicles like scooters Z) Rebuilding the battery for a different car
W: W) Recycling
X: X) Energy storage units in neighborhoods
Y: Y) Being used in smaller vehicles like scooters
Z: Z) Rebuilding the battery for a different car
Answer: X) X) Energy storage units in neighborhoods
Which family would an element belong to if it was placed in the 7th row, first column of the periodic table?
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The Doppler effect occurs in which of the following? W) Only in sound waves X) Only in longitudinal waves Y) Only in transverse waves Z) In all types of waves
W: W) Only in sound waves
X: X) Only in longitudinal waves
Y: Y) Only in transverse waves
Z: Z) In all types of waves
Answer: Z) Z) In all types of waves
What are primarily responsible for maintenance of and changes in posture, locomotion in animals, as well as movement of internal organs?
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You would like to evaluate the distribution of mRNA in a microbial population. Which method is likely to be most helpful to you? W) Proteomics X) Transcriptomics Y) Metagenomics Z) Metabolomics
W: W) Proteomics
X: X) Transcriptomics
Y: Y) Metagenomics
Z: Z) Metabolomics
Answer: X) X) Transcriptomics
Which of the following is NOT considered a rare earth element? W) Neodymium X) Yttrium Y) Lanthanum Z) Uranium
W: W) Neodymium
X: X) Yttrium
Y: Y) Lanthanum
Z: Z) Uranium
Answer: Z) Z) Uranium
Of the planets visible to the naked eye, which moves the slowest across the sky on average?
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What internal layer of Earth allows for isostacy of the crust? W) Outer core X) Inner core Y) Athenosphere Z) Lithosphere
W: W) Outer core
X: X) Inner core
Y: Y) Athenosphere
Z: Z) Lithosphere
Answer: Y) Y) Athenosphere
Imagine that you conducted an experiment where you tested the effects of different fertilizers on plant growth over the course of one month. You have to present your data in a graph. What variable would you plot on the y-axis? W) Time of year X) Type of fertilizer Y) Day of experiment Z) Plant height
W: W) Time of year
X: X) Type of fertilizer
Y: Y) Day of experiment
Z: Z) Plant height
Answer: Z) Z) Plant height
If a/b = –1 then what is a + b? W) 1 X) 0 Y) –1 Z) –2
W: W) 1
X: X) 0
Y: Y) –1
Z: Z) –2
Answer: X) X) 0
Convert 147 in base 10 to base 6.
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When a hydrogen atom is in its ground state, what is TRUE about its electron? W) It is in its lowest energy level X) It is at rest Y) It has escaped from the atom Z) It is inside the nucleus
W: W) It is in its lowest energy level
X: X) It is at rest
Y: Y) It has escaped from the atom
Z: Z) It is inside the nucleus
Answer: W) W) It is in its lowest energy level
Which of the following is NOT a characteristic of a decaying unstable isotope? W) It emits new particles X) It releases energy Y) It forms new atoms Z) It is more chaotic than random
W: W) It emits new particles
X: X) It releases energy
Y: Y) It forms new atoms
Z: Z) It is more chaotic than random
Answer: Z) Z) It is more chaotic than random
Which of the following elements is found in DNA? W) Calcium X) Phosphorous Y) Zinc Z) Helium
W: W) Calcium
X: X) Phosphorous
Y: Y) Zinc
Z: Z) Helium
Answer: X) X) Phosphorous
Phosphorus is critical to the formation of nucleic acids, ATP and other energy storing molecules. Where are the largest reservoirs for this important mineral on Earth? W) Animal biomass X) Ground water, particularly fossil water Y) Sedimentary rocks of marine origin Z) Fossil fuels
W: W) Animal biomass
X: X) Ground water, particularly fossil water
Y: Y) Sedimentary rocks of marine origin
Z: Z) Fossil fuels
Answer: Y) Y) Sedimentary rocks of marine origin
Which of the following is NOT considered one of the major volcano types? W) Basalt dome X) Stratovolcano Y) Lava dome Z) Cinder cone
W: W) Basalt dome
X: X) Stratovolcano
Y: Y) Lava dome
Z: Z) Cinder cone
Answer: W) W) Basalt dome
What is the name of the type of volcano that is built almost entirely of low viscosity basaltic lava flows?
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Calculate the potential energy, in joules, of a 30 kilogram mass 15 meters above the Earth’s surface.
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UV radiation is most damaging to which human organ? W) Heart X) Lungs Y) Skin Z) Liver
W: W) Heart
X: X) Lungs
Y: Y) Skin
Z: Z) Liver
Answer: Y) Y) Skin
Protein shape that results from having multiple polypeptides is a part of which level of protein structure? W) Primary X) Secondary Y) Tertiary Z) Quaternary
W: W) Primary
X: X) Secondary
Y: Y) Tertiary
Z: Z) Quaternary
Answer: Z) Z) Quaternary
Place the following four items in order from smallest to largest: nucleus; ribosomes; mitochondria; myoglobin.
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Correct Order:
The slope of the line 2y = 10 - 10x is which of the following? W) -10 X) -5 Y) 5 Z) 10
W: W) -10
X: X) -5
Y: Y) 5
Z: Z) 10
Answer: X) X) -5
The endpoints of the diameter of a semicircle are represented by the coordinates (0, a) and (0, –a). If the area of the semicircle is 32π, what is the value of a?
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Force is equivalent to mass times the acceleration of an object. How could you guarantee a decrease in the acceleration of an object? W) Increase the mass and force X) Decrease the mass and force Y) Increase the mass and decrease the force Z) Increase the force and decrease the mass
W: W) Increase the mass and force
X: X) Decrease the mass and force
Y: Y) Increase the mass and decrease the force
Z: Z) Increase the force and decrease the mass
Answer: Y) Y) Increase the mass and decrease the force
Why are old documents preserved by sealing them in containers filled with helium? W) Helium will react with any poisonous gas that enter the container and prevent the gas from harming the document X) Helium is inexpensive and easy to find Y) Helium is a gas that will not react with any other element including the paper of the document Z) Helium will brighten the print on the document
W: W) Helium will react with any poisonous gas that enter the container and prevent the gas from harming the document
X: X) Helium is inexpensive and easy to find
Y: Y) Helium is a gas that will not react with any other element including the paper of the document
Z: Z) Helium will brighten the print on the document
Answer: Y) Y) Helium is a gas that will not react with any other element including the paper of the document
The rate of a reaction is directly dependent on which of the following? W) Activation energy X) Reactant energy Y) Product energy Z) Difference between reactant energy and product energy
W: W) Activation energy
X: X) Reactant energy
Y: Y) Product energy
Z: Z) Difference between reactant energy and product energy
Answer: W) W) Activation energy
What is the quantity obtained by multiplying a uniform object’s specific heat by its mass?
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A periwinkle is what type of organism? W) Sea urchin X) Snail Y) Barnacle Z) Star fish
W: W) Sea urchin
X: X) Snail
Y: Y) Barnacle
Z: Z) Star fish
Answer: X) X) Snail
Which of the following statements regarding corals and zooxanthellae is FALSE? W) Corals can live for a few months without their zooxanthellae X) When a coral bleaches the zooxanthellae die Y) The color of a coral tissue is largely due to the zooxanthellae Z) Increased water temperature can prompt a bleaching event
W: W) Corals can live for a few months without their zooxanthellae
X: X) When a coral bleaches the zooxanthellae die
Y: Y) The color of a coral tissue is largely due to the zooxanthellae
Z: Z) Increased water temperature can prompt a bleaching event
Answer: X) X) When a coral bleaches the zooxanthellae die
Fossils found in the deep ocean are cemented in what kind of rock? W) Igneous X) Extrusive Y) Sedimentary Z) Metamorphic
W: W) Igneous
X: X) Extrusive
Y: Y) Sedimentary
Z: Z) Metamorphic
Answer: Y) Y) Sedimentary
Rank the following in terms of largest to smallest carbon reservoirs: biosphere; atmosphere; ocean; sedimentary carbonates.
Choices:
Correct Order: