MS Sample Set 10, Round 12 from NSB
Which of the following isotopes was responsible for the only known naturally occurring fission reactors, the Oklo Fossil Reactors? W) Uranium-233 X) Plutonium-239 Y) Uranium-235 Z) Plutonium-238
W: W) Uranium-233
X: X) Plutonium-239
Y: Y) Uranium-235
Z: Z) Plutonium-238
Answer: Y) Y) Uranium-235
Bernoulli’s equation describes which of the following? W) Vorticity X) Behavior of harmonic oscillators Y) Behavior of real gases Z) Fluid dynamics
W: W) Vorticity
X: X) Behavior of harmonic oscillators
Y: Y) Behavior of real gases
Z: Z) Fluid dynamics
Answer: Z) Z) Fluid dynamics
A tick sucks blood from a cow. Which of the following is this species interaction? W) Competition X) Mutualism Y) Parasitism Z) Predation
W: W) Competition
X: X) Mutualism
Y: Y) Parasitism
Z: Z) Predation
Answer: Y) Y) Parasitism
If a DNA template has the sequence TAC-ACA-GGG, which one of the following would be the correct messenger RNA codon sequence? W) ATG-TGT-CCC X) ATG-UGU-GGG Y) AUG-UGU-CCC Z) UAC-UGU-CCC
W: W) ATG-TGT-CCC
X: X) ATG-UGU-GGG
Y: Y) AUG-UGU-CCC
Z: Z) UAC-UGU-CCC
Answer: Y) Y) AUG-UGU-CCC
Which of the following is the underlying cause of most volcanoes on Jupiter’s moon Io? W) Meteor impacts X) Tidal forces Y) Plate tectonics Z) Weather patterns
W: W) Meteor impacts
X: X) Tidal forces
Y: Y) Plate tectonics
Z: Z) Weather patterns
Answer: X) X) Tidal forces
Which of the following bodies of water does an atoll usually enclose? W) Lake X) River Y) Swamp Z) Lagoon
W: W) Lake
X: X) River
Y: Y) Swamp
Z: Z) Lagoon
Answer: Z) Z) Lagoon
What type of power plant only needs to be refueled once a year?
Acceptable Answers:
Of the four major types of coal mined in the US, which has the lowest energy content?
Acceptable Answers:
What is the square root of one trillion? W) Ten thousand X) One hundred thousand Y) One million Z) Ten million
W: W) Ten thousand
X: X) One hundred thousand
Y: Y) One million
Z: Z) Ten million
Answer: Y) Y) One million
A right circular cylinder has a radius of 2 and a height of 10. A second right circular cylinder has a radius of 3 and a height of 6. What is the larger lateral surface area of the two cylinders?
Acceptable Answers:
In a population pyramid, what information does the width of the base give about the population?
Acceptable Answers:
Which of the following pairs of events occurred in the same decade? W) Whitney invented the cotton gin and Jenner discovered a smallpox vaccine X) A Jarvik artificial heart was successfully implanted in a human and the first satellite capable of data transmission went into orbit Y) Dubois discovered Java man in Indonesia and Hall discovered the two moons of Mars Z) Eastman invented the box camera and Curie discovered radium
W: W) Whitney invented the cotton gin and Jenner discovered a smallpox vaccine
X: X) A Jarvik artificial heart was successfully implanted in a human and the first satellite capable of data transmission went into orbit
Y: Y) Dubois discovered Java man in Indonesia and Hall discovered the two moons of Mars
Z: Z) Eastman invented the box camera and Curie discovered radium
Answer: W) W) Whitney invented the cotton gin and Jenner discovered a smallpox vaccine
What is the term for a transfer of heat due to direct contact? W) Conduction X) Radiation Y) Convection Z) Induction
W: W) Conduction
X: X) Radiation
Y: Y) Convection
Z: Z) Induction
Answer: W) W) Conduction
Hooke’s law is most directly related to the behavior of what? W) Inclined planes X) Wedges Y) Springs Z) Projectiles
W: W) Inclined planes
X: X) Wedges
Y: Y) Springs
Z: Z) Projectiles
Answer: Y) Y) Springs
How many strokes are in a complete cycle for typical small engines found in leaf blowers, hedge trimmers, and go-carts?
Acceptable Answers:
A low-e window will have greater performance in comparison to a standard home window in what regard? W) It will allow more infrared energy into the home X) It will allow less ultraviolet energy into the home Y) It will emit less radiant energy from the home Z) It will allow more visible light into the home
W: W) It will allow more infrared energy into the home
X: X) It will allow less ultraviolet energy into the home
Y: Y) It will emit less radiant energy from the home
Z: Z) It will allow more visible light into the home
Answer: Y) Y) It will emit less radiant energy from the home
Based on genetic evidence, which two taxonomic domains are most closely related to one another?
Acceptable Answers:
Muscle cells in our heart are constantly working. Which of the following organelles would they have in larger quantities than other cells in the body? W) Vacuoles X) Mitochondria Y) Chloroplasts Z) Nucleoli
W: W) Vacuoles
X: X) Mitochondria
Y: Y) Chloroplasts
Z: Z) Nucleoli
Answer: X) X) Mitochondria
Which of the following gases does NOT contribute significantly to the greenhouse effect? W) Methane X) Carbon dioxide Y) Nitrogen Z) Water vapor
W: W) Methane
X: X) Carbon dioxide
Y: Y) Nitrogen
Z: Z) Water vapor
Answer: Y) Y) Nitrogen
What is the most abundant extrusive igneous rock in Earth’s crust?
Acceptable Answers:
What formula predicts the energy yield of fission, where a quantity of mass is annihilated?
Acceptable Answers:
Which of the following units is NOT part of the SI system, but is important and widely used? W) Liter X) Mole Y) Kilogram Z) Candela
W: W) Liter
X: X) Mole
Y: Y) Kilogram
Z: Z) Candela
Answer: W) W) Liter
When the radius of a circle is tripled, by what factor is its area multiplied?
Acceptable Answers:
What number is required to complete the square for the polynomial $$4x^2 + 10x$$?
Acceptable Answers:
What class of lever has the force of effort located between the force of the load and the fulcrum?
Acceptable Answers:
Which of the following scientific principles is based on the conservation of electric charge? W) Kirchhoff’s current law X) Maxwell’s equations Y) Spin selection rules Z) Coulomb’s law
W: W) Kirchhoff’s current law
X: X) Maxwell’s equations
Y: Y) Spin selection rules
Z: Z) Coulomb’s law
Answer: W) W) Kirchhoff’s current law
What is the x-intercept of the line with equation $$5x - 3y = -30$$?
Acceptable Answers:
Given the prime factorizations of the following two numbers, what is their greatest common divisor: $$2^5 \times 3 \times 5^2$$ and $$2^3 \times 3^3 \times 5 \times 7$$?
Acceptable Answers:
What country made the largest monetary investment in solar, wind, biofuels, and other low-carbon energy technologies in 2014? W) China X) Brazil Y) United States Z) Canada
W: W) China
X: X) Brazil
Y: Y) United States
Z: Z) Canada
Answer: W) W) China
What mountainous region of the United States contains the largest proven natural gas reserves?
Acceptable Answers:
What variable is measured at time intervals during a calorimetry experiment?
Acceptable Answers:
DO NOT ACCEPT:
Which of the following pairs correctly associates the scientist with his or her area of discovery? W) Pasteur and antiseptics X) Einstein and the photoelectric effect Y) Rutherford and wave mechanics Z) Curie and x-rays
W: W) Pasteur and antiseptics
X: X) Einstein and the photoelectric effect
Y: Y) Rutherford and wave mechanics
Z: Z) Curie and x-rays
Answer: X) X) Einstein and the photoelectric effect
Which of the following is NOT true of continental glaciers? W) They form along mountain slopes at high elevations X) They have a lens-like shape Y) Their weight depresses the underlying land Z) They can be found in Antarctica and Greenland
W: W) They form along mountain slopes at high elevations
X: X) They have a lens-like shape
Y: Y) Their weight depresses the underlying land
Z: Z) They can be found in Antarctica and Greenland
Answer: W) W) They form along mountain slopes at high elevations
Identify all of the following three statements that are true about stars: 1) Red stars are cooler than blue stars 2) The Sun is considered a yellow star 3) The Sun’s surface temperature is approximately 60,000 kelvins
Choices:
Correct Answers:
The sum of the number of protons and neutrons in an atom of an element is referred to as the element’s what? W) Mass number X) Atomic weight Y) Isotopic number Z) Atomic number
W: W) Mass number
X: X) Atomic weight
Y: Y) Isotopic number
Z: Z) Atomic number
Answer: W) W) Mass number
A jet becomes airborne when its speed reaches 100 meters per second. If a jet, starting at rest, accelerates at a rate of 2.6 meters per second squared, how many seconds will elapse, to the nearest second, before it becomes airborne?
Acceptable Answers:
Which of the following is the largest unit of time on the geologic time scale? W) Eon X) Era Y) Period Z) Epoch
W: W) Eon
X: X) Era
Y: Y) Period
Z: Z) Epoch
Answer: W) W) Eon
What type of speleothem hangs from the ceiling?
Acceptable Answers:
A circuit contains a single lightbulb rated for 27 watts of power using a 9-volt battery. Under these conditions, what is the current, in amps, through the lightbulb?
Acceptable Answers:
Sterling silver contains 92.5% silver and 7.5% copper. Which of the following substances is the solute? W) Metals can’t form a solution X) Silver Y) Copper Z) Gold
W: W) Metals can’t form a solution
X: X) Silver
Y: Y) Copper
Z: Z) Gold
Answer: Y) Y) Copper
For what real numbers is the following rational function not defined: $$\frac{x\,(x^2 - 4)}{(x + 2)\,(x - 5)}$$?
Acceptable Answers:
A rhombus has diagonals of length 14 and 18. What is its area?
Acceptable Answers:
Coral reefs are made predominately of what mineral?
Acceptable Answers:
Which of the following types of diversity is the most difficult to effectively and sustainably improve? W) Genetic diversity X) Microscopic species diversity Y) Macroscopic species diversity Z) Ecosystem diversity
W: W) Genetic diversity
X: X) Microscopic species diversity
Y: Y) Macroscopic species diversity
Z: Z) Ecosystem diversity
Answer: Z) Z) Ecosystem diversity
Which of the following is a disadvantage of inbreeding? W) Farmers get to choose what organisms to breed X) The inbred organism is sterile Y) The inbred organism may have genetic disorders due to similar alleles Z) Unlike hybrids, inbred organisms are not very valuable to people
W: W) Farmers get to choose what organisms to breed
X: X) The inbred organism is sterile
Y: Y) The inbred organism may have genetic disorders due to similar alleles
Z: Z) Unlike hybrids, inbred organisms are not very valuable to people
Answer: Y) Y) The inbred organism may have genetic disorders due to similar alleles
A biologist observes that different species of mice have different species of flea parasites. Which term best describes this scenario? W) Fusion X) Mutation Y) Divergence Z) Coevolution
W: W) Fusion
X: X) Mutation
Y: Y) Divergence
Z: Z) Coevolution
Answer: Z) Z) Coevolution