MS Sample Set 10, Round 6 from NSB
What metal is used as the filament in modern incandescent light bulbs?
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Name the process during which nuclear energy is released when the nuclei of hydrogen atoms are combined to form helium.
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Which of the following is the underlying cause of most volcanoes on Earth? 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: Y) Y) Plate tectonics
Which of the following solar system objects are made up of mostly dust and ice? W) Comets X) Asteroids Y) Dwarf planets Z) Jovian planets
W: W) Comets
X: X) Asteroids
Y: Y) Dwarf planets
Z: Z) Jovian planets
Answer: W) W) Comets
What US state produces the most anthracite coal?
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The majority of nuclear fission technology currently utilizes what group of elements on the periodic table? W) Halogens X) Lanthanides Y) Actinides Z) Rare earth metals
W: W) Halogens
X: X) Lanthanides
Y: Y) Actinides
Z: Z) Rare earth metals
Answer: Y) Y) Actinides
A right triangle has hypotenuse with length $5\sqrt{5}$. One of the legs is of length 5. What is the length of the other leg?
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Compute the mean of the following list of 5 numbers: 23, 25, 27, 31, 34.
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Which of the following is the porcupine’s primary mode of defense from predators? W) Throwing quills X) Poisoned quills Y) Barbed quills Z) Musky spray
W: W) Throwing quills
X: X) Poisoned quills
Y: Y) Barbed quills
Z: Z) Musky spray
Answer: Y) Y) Barbed quills
Marsupials are far more abundant and diverse in Australia than in North and South America. Which of the following best explains why only three families of marsupials are found outside the Australian region? W) Divergent evolution X) Convergent evolution Y) Parallel evolution Z) Antiparallel evolution
W: W) Divergent evolution
X: X) Convergent evolution
Y: Y) Parallel evolution
Z: Z) Antiparallel evolution
Answer: W) W) Divergent evolution
In a chemical equation, the number of molecules of a given substance is indicated by which of the following? W) Coefficient X) Superscript Y) Subscript Z) Degree
W: W) Coefficient
X: X) Superscript
Y: Y) Subscript
Z: Z) Degree
Answer: W) W) Coefficient
Which of the following is the best practice to follow to dilute a concentrated acid? W) Add small quantities of water to the acid sample X) Calculate and add the exact amount of water to the acid sample quickly, while stirring constantly Y) Add small quantities of acid to a quantity of water Z) Calculate and add the exact amount of acid to water quickly, while stirring constantly
W: W) Add small quantities of water to the acid sample
X: X) Calculate and add the exact amount of water to the acid sample quickly, while stirring constantly
Y: Y) Add small quantities of acid to a quantity of water
Z: Z) Calculate and add the exact amount of acid to water quickly, while stirring constantly
Answer: Y) Y) Add small quantities of acid to a quantity of water
In comparison to diesel, biodiesel contains virtually none of what element, the burning of which is known to contribute to acid rain?
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Which of the following countries produces the greatest percentage of its electricity from nuclear energy? W) Germany X) Hungary Y) Russia Z) Switzerland
W: W) Germany
X: X) Hungary
Y: Y) Russia
Z: Z) Switzerland
Answer: X) X) Hungary
When a sample of uranium undergoes a fission reaction, what type of particle initiates the chain reaction?
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A ball is dropped from the top of a 100-foot-tall building. How long in seconds does it take to reach the ground?
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Which of the following best describes a hypothesis? W) A proposed explanation for a narrow set of phenomena X) Broad explanations for a wide range of phenomena Y) A plan to measure observable phenomena Z) An opinion based on observations of phenomena
W: W) A proposed explanation for a narrow set of phenomena
X: X) Broad explanations for a wide range of phenomena
Y: Y) A plan to measure observable phenomena
Z: Z) An opinion based on observations of phenomena
Answer: W) W) A proposed explanation for a narrow set of phenomena
What metric prefix represents one quadrillionth? W) Femto X) Pico Y) Atto Z) Zepto
W: W) Femto
X: X) Pico
Y: Y) Atto
Z: Z) Zepto
Answer: W) W) Femto
Galena is the primary ore of what metal?
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Which of the following is most responsible for the formation of the Great Lakes? W) Rain X) Wind Y) Glaciers Z) Meteor impacts
W: W) Rain
X: X) Wind
Y: Y) Glaciers
Z: Z) Meteor impacts
Answer: Y) Y) Glaciers
The regular price for jeans is \$35 per pair, but today's sale is ten percent off when you buy two pairs. What is the sale price for four pairs of jeans?
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If \(x\) varies inversely as the cube root of \(y\) and \(x = 3\) when \(y = 27\), what is the constant of proportionality? W) 1/3 X) 1 Y) 3 Z) 9
W: W) 1/3
X: X) 1
Y: Y) 3
Z: Z) 9
Answer: Z) Z) 9
What organelle in the cell contains enzymes for digestion? W) Central vacuole X) Endoplasmic reticulum Y) Lysosome Z) Golgi apparatus
W: W) Central vacuole
X: X) Endoplasmic reticulum
Y: Y) Lysosome
Z: Z) Golgi apparatus
Answer: Y) Y) Lysosome
What fibrous protein makes up fingernails and hair?
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What is the SI unit of electrical resistance?
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What do AM and FM stand for as related to radio transmission?
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Which of the following plant structures is most closely associated with land plants? W) Vascular tissues X) Pollen grains Y) Leaves Z) Roots
W: W) Vascular tissues
X: X) Pollen grains
Y: Y) Leaves
Z: Z) Roots
Answer: X) X) Pollen grains
What disease is caused by Plasmodium protozoans?
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During a dissection, which of the following is the best tool for cutting bone? W) Satterlee saw X) Scalpel Y) Blade Z) Scissors
W: W) Satterlee saw
X: X) Scalpel
Y: Y) Blade
Z: Z) Scissors
Answer: W) W) Satterlee saw
Which of the following is the SI derived unit of measurement of pressure? W) Atmosphere X) Millibar Y) Millimeter of mercury Z) Pascal
W: W) Atmosphere
X: X) Millibar
Y: Y) Millimeter of mercury
Z: Z) Pascal
Answer: Z) Z) Pascal
Which of the following planets has an orbital period less than one Earth year? W) Earth X) Mars Y) Venus Z) Jupiter
W: W) Earth
X: X) Mars
Y: Y) Venus
Z: Z) Jupiter
Answer: Y) Y) Venus
Identify all of the following three landforms that are types of glacial lakes: 1) Kettle; 2) Drumlin; 3) Tarn.
Choices:
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The equation \((x + 2) + 8 = x + 10\) illustrates the use of which of the following properties of whole-number addition? W) Associative X) Commutative Y) Distributive Z) Identity
W: W) Associative
X: X) Commutative
Y: Y) Distributive
Z: Z) Identity
Answer: W) W) Associative
Evaluate the following expression: 27 plus 3 times 4 minus 4.
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Many of the experiments at our National Laboratories need to take place at extremely low temperatures. What is the branch of physics called that deals with the production and effects of very low temperatures?
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Which of the following is the most widely used form of renewable energy worldwide? W) Solar energy X) Hydroelectric energy Y) Wind energy Z) Natural gas
W: W) Solar energy
X: X) Hydroelectric energy
Y: Y) Wind energy
Z: Z) Natural gas
Answer: X) X) Hydroelectric energy
If the product of two binomials is \(h^2 + 2h - 120\) and one factor is \(h - 10\), what is the other factor?
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A circle has an area of 9. What is its circumference?
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What is the term for the phenomenon, often found in plants, in which an organism contains more than two complete sets of chromosomes?
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Ornamentation often contributes to the mating behavior and choices of animals. Male elks are highly ornamented. Which of the following types of mating system would you expect? W) Promiscuous X) Monogamous Y) Polyandry Z) Polygyny
W: W) Promiscuous
X: X) Monogamous
Y: Y) Polyandry
Z: Z) Polygyny
Answer: Z) Z) Polygyny
Most of the matter that makes up the Sun is in what phase? W) Gas X) Solid Y) Plasma Z) Liquid
W: W) Gas
X: X) Solid
Y: Y) Plasma
Z: Z) Liquid
Answer: Y) Y) Plasma
What ocean layer receives sufficient sunlight for photosynthesis?
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In chemical thermodynamics, what term describes the number of states in which a system can be arranged and is often thought to be a measure of disorder?
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A manometer is used for measuring what property of a gas?
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Multiply the following radicals: 5 times the square root of two times seven times the square root of two.
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What is the area of a right triangle with hypotenuse of length 7 and one leg of length 6?
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