MS Sample Set 13, Round 12 from NSB
What is 23% of 4?
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A ball is dropped from the top of a 45-meter-tall building. After each bounce, it reaches one-third of the height from which it previously fell. In meters, what is the total vertical distance the ball has traveled when it hits the ground for the 3rd time?
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How many seismograph locations are typically needed to locate the focus of an earthquake?
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What is the ratio of iron to oxygen in the mineral hematite? W) 1 to 2 X) 1 to 3 Y) 2 to 3 Z) 3 to 2
W: W) 1 to 2
X: X) 1 to 3
Y: Y) 2 to 3
Z: Z) 3 to 2
Answer: Y) Y) 2 to 3
A cup of black coffee has a pH of 5, and a solution of ammonia has a pH of 11. How many times as acidic is the coffee compared to the ammonia?
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Identify all of the following three bonds in which the carbon atom will typically be the positive dipole: 1) C–H; 2) C–N; 3) C–O.
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In order to indirectly measure the average kinetic energy of atoms in a given location, physicists at Oak Ridge National Lab have developed a device that will produce a nanometer-resolution map of what property of a crystal?
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Scientists at Lawrence Berkeley National Lab at the IceCube experiment are studying high-energy neutrinos. Most high-energy neutrinos are produced by high-energy cosmic interactions, while low-energy neutrinos detected on Earth are primarily produced from nuclear reactors and what other major source?
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What is the term for an organism that requires a constant supply of oxygen in order to live?
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What is the term for an organism whose mouth develops from the blastopore?
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Which of Kepler’s Laws would be most helpful for determining the orbital period of a binary star system?
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What planet has a mean density about 70 percent that of Earth, and surface acceleration due to gravity about 40 percent that of Earth?
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Which of the following statements is logically equivalent to “If T is a leopard, then T has spots”? W) If T has spots, then T is a leopard. X) If T is not a leopard, then T does not have spots. Y) If T does not have spots, then T is not a leopard. Z) If T does not have spots, then T is a leopard.
W: W) If T has spots, then T is a leopard.
X: X) If T is not a leopard, then T does not have spots.
Y: Y) If T does not have spots, then T is not a leopard.
Z: Z) If T does not have spots, then T is a leopard.
Answer: Y) Y) If T does not have spots, then T is not a leopard.
A pyramid with 36 edges has how many vertices?
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Solvated electrons appear a vibrant blue in solution. Which of the following colors of light is being absorbed? W) Violet X) Orange Y) Green Z) Blue
W: W) Violet
X: X) Orange
Y: Y) Green
Z: Z) Blue
Answer: X) X) Orange
Suppose that a 50-kilogram cart and a 70-kilogram cart, both traveling at 5 meters per second in opposite directions, collide and stick together. In meters per second with one significant figure, what is the speed of the final composite object?
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Researchers at Princeton Plasma Physics Lab are attempting to understand fluid flow in the non-laminar regime. This regime of flow, in which fluid velocity and pressure change chaotically, is called what?
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Ames National Lab researchers are studying alane, or aluminum hydride. This substance is generally used in synthetic chemistry labs to perform what chemical role? W) Reducing agent X) Oxidizing agent Y) Combustion catalyst Z) Heterogeneous catalyst
W: W) Reducing agent
X: X) Oxidizing agent
Y: Y) Combustion catalyst
Z: Z) Heterogeneous catalyst
Answer: W) W) Reducing agent
Which of the following metamorphic rocks exhibits foliation? W) Schist X) Marble Y) Quartzite Z) Amphibolite
W: W) Schist
X: X) Marble
Y: Y) Quartzite
Z: Z) Amphibolite
Answer: W) W) Schist
Rank the following three elements in increasing order in terms of their mass abundance in the ocean: 1) Chlorine; 2) Hydrogen; 3) Sodium.
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What is the term for a treatment that has no active effect, but rather is used as a control during therapeutic trials?
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What organ is the end target of vasopressin, which is also known as “anti-diuretic hormone”?
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Scientists at Pacific Northwest National Lab are studying blue-green algae, which are actually part of what domain?
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Scientists at Idaho National Lab are developing uranium silicide fuel pellets for next-generation nuclear reactors to replace current uranium dioxide fuel pellets. What is the oxidation state of uranium metal in uranium dioxide?
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As seen from Earth, which of the following stellar objects has the most similar angular diameter to the Sun? W) The Moon X) Alpha Centauri Y) Jupiter Z) Betelgeuse
W: W) The Moon
X: X) Alpha Centauri
Y: Y) Jupiter
Z: Z) Betelgeuse
Answer: W) W) The Moon
Which of the following types of asteroids is most abundant in our solar system? W) S-type X) M-type Y) V-type Z) C-type
W: W) S-type
X: X) M-type
Y: Y) V-type
Z: Z) C-type
Answer: Z) Z) C-type
What is the tenth term in the geometric sequence with first term \(-6\) and common ratio \(-1\)?
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What are all single-digit base-10 positive integer values of \(B\) for which the base-\(B\) number “three-one” is a perfect square?
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Which of the following statements is NOT true regarding chloroplasts? W) Chloroplasts possess inner and outer membranes X) Thylakoids contain chlorophylls and carotenoids Y) Pigment molecules and proteins associate to form photosystems Z) The stroma is characterized by surface area-increasing folds called cristae
W: W) Chloroplasts possess inner and outer membranes
X: X) Thylakoids contain chlorophylls and carotenoids
Y: Y) Pigment molecules and proteins associate to form photosystems
Z: Z) The stroma is characterized by surface area-increasing folds called cristae
Answer: Z) Z) The stroma is characterized by surface area-increasing folds called cristae
Mollusks possess a flexible, tongue-shaped feeding structure called what? W) Radula X) Mantle Y) Siphon Z) Viscera
W: W) Radula
X: X) Mantle
Y: Y) Siphon
Z: Z) Viscera
Answer: W) W) Radula
Which of the following quantities is dimensionless? W) The volume of an internal combustion engine X) The perimeter of the Earth Y) The number of molecules in 1 gram of water Z) The mass of one mole of sodium atoms
W: W) The volume of an internal combustion engine
X: X) The perimeter of the Earth
Y: Y) The number of molecules in 1 gram of water
Z: Z) The mass of one mole of sodium atoms
Answer: Y) Y) The number of molecules in 1 gram of water
How many milliliters of a 0.1 molar hydrochloric acid solution contain the same amount of acid as 2 milliliters of a 12-molar hydrochloric acid solution?
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When \(x^2 - 2x + 3\) is divided by \(x - 2\), what is the remainder?
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To the nearest whole number, 111 kilometers per hour is how many meters per second?
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What type of virus has an RNA genome that it converts into DNA once it enters the host cell?
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In a woody stem, what is the term for the old xylem that no longer conducts fluid, causing it to darken with age?
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Consider a satellite for which the magnitude of the gravitational force on it is constant at all points on its orbit. What shape does this imply the orbit is? W) Parabola X) Hyperbola Y) Eccentric ellipse Z) Circle
W: W) Parabola
X: X) Hyperbola
Y: Y) Eccentric ellipse
Z: Z) Circle
Answer: Z) Z) Circle
Based on Fermat’s principle, refraction is a consequence of light taking a path that minimizes what quantity?
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What fraction is halfway between \(1/8\) and \(1/10\)?
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To the nearest integer, what is the length of a space diagonal in a right rectangular prism with edges of length 4, 9, and 12?
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What is the name of the ocean-warming phase of the Southern Oscillation?
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What continent has the lowest amount of annual rainfall per unit area?
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What is the name given to a solid, like polyethylene, if it lacks the long-range ordering seen in crystals?
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According to VSEPR theory, what is the molecular geometry of a molecule of formaldehyde?
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To what genus do brown bears belong?
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In the normal human eye, how many distinct types of cone cells are there?
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