MS Sample Set 5, Round 6 from NSB
Which of the following best explains why it is possible to find nuggets of pure gold and silver in nature, but sodium appears only in compounds? W) Gold and silver are denser than sodium X) Gold and silver are less reactive than sodium Y) Gold and silver are less common than sodium Z) Gold and silver are solids at room temperature
W: W) Gold and silver are denser than sodium
X: X) Gold and silver are less reactive than sodium
Y: Y) Gold and silver are less common than sodium
Z: Z) Gold and silver are solids at room temperature
Answer: X) X) Gold and silver are less reactive than sodium
An object has a mass of 3 kilograms and a force accelerates the object from rest to a speed of 4 meters per second over a distance of 2 meters. What is the work done in joules by this force?
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Which of the following is the least volume? W) 1.9 pints X) 3.5 cups Y) 1 quart Z) 1/3 of a gallon
W: W) 1.9 pints
X: X) 3.5 cups
Y: Y) 1 quart
Z: Z) 1/3 of a gallon
Answer: X) X) 3.5 cups
What are two consecutive positive odd integers whose product is 783?
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What early scientific instrument was used to determine if an object was carrying an electric charge?
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What volume, in milliliters, of a 10 molar hydrochloric acid stock solution is needed to make 2 liters of a 3 molar hydrochloric acid solution?
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Which of the following is an example of a monotreme? W) Hedge-hog X) Platypus Y) Anteater Z) Wombat
W: W) Hedge-hog
X: X) Platypus
Y: Y) Anteater
Z: Z) Wombat
Answer: X) X) Platypus
What are the two types of bladders in the human body?
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What is the most common type of cloud formed when warm air rises and reaches a level of cool air, where the moisture in the air cools and condenses?
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A chemical is added to a cell that prevents endocytosis but does not prevent exocytosis. As a result, what would be expected to happen to the volume of the cell over time?
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Which of the following pairs of elements are liquid at room temperature? W) Mercury and cesium X) Bromine and cesium Y) Mercury and gallium Z) Mercury and bromine
W: W) Mercury and cesium
X: X) Bromine and cesium
Y: Y) Mercury and gallium
Z: Z) Mercury and bromine
Answer: Z) Z) Mercury and bromine
The half-life of francium-212 is 19 minutes. How many minutes will it take for 1 gram of this isotope to decay to 0.125 grams?
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The presence of clays on the surface of Mars strongly suggests the past presence of what substance?
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You look at a thin section of a sedimentary rock composed of quartz, plagioclase, and amphibole grains surrounded by calcite cement. Which of those minerals formed last?
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What two monosaccharides make the disaccharide sucrose?
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By number, identify all of the following three statements that are TRUE about catalysts: 1) they change the rate of the reaction 2) they change the chemical equilibrium of the reaction 3) they decrease the activation energy
Choices:
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Relative to conventional sources, such as liquid oil and natural gas, combustion of biomass for heat and electricity does NOT create more of which of the following? W) Greenhouse gases X) Particulates Y) Polyaromatic hydrocarbons Z) Dioxins
W: W) Greenhouse gases
X: X) Particulates
Y: Y) Polyaromatic hydrocarbons
Z: Z) Dioxins
Answer: W) W) Greenhouse gases
What are the names of three processes through which thermal energy can be transferred?
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If the area of rhombus ABCD is 78 square centimeters and the altitude to the base CD is 7.5 centimeters, to the nearest integer, what is the length in centimeters of a side of the rhombus?
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A juice container in the shape of a rectangular prism has a base of 7 inches by 5 inches. Given that there are 231 cubic inches in one gallon, and providing your answer to the nearest integer, how tall, in inches, must the container be to hold 6 gallons of juice?
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Which of the following nutrients is most likely to benefit photosynthesizers in an upwelling region? W) Iron X) Oxygen Y) Nitrate Z) Magnesium
W: W) Iron
X: X) Oxygen
Y: Y) Nitrate
Z: Z) Magnesium
Answer: Y) Y) Nitrate
Which of the following structures weakens rock, sometimes causing landslides? W) Bedding plane X) Concretions Y) Inselburg Z) Mudcracks
W: W) Bedding plane
X: X) Concretions
Y: Y) Inselburg
Z: Z) Mudcracks
Answer: W) W) Bedding plane
A precipitation reaction is used to make which of the following? W) Fudge X) Pickles Y) Poached eggs Z) Cornstarch gravy
W: W) Fudge
X: X) Pickles
Y: Y) Poached eggs
Z: Z) Cornstarch gravy
Answer: W) W) Fudge
To which section of the periodic table does rhodium belong?
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Which of the following types of drainage is formed as streams flow toward a central depression? W) Rectangular X) Dendritic Y) Centripetal Z) Radial
W: W) Rectangular
X: X) Dendritic
Y: Y) Centripetal
Z: Z) Radial
Answer: Y) Y) Centripetal
What modern scientific instrument is typically used to measure wind direction and speed?
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Which of the following is the fastest growing source of energy in the world since 1990? W) Solar X) Geothermal Y) Wind Z) Biofuel
W: W) Solar
X: X) Geothermal
Y: Y) Wind
Z: Z) Biofuel
Answer: Y) Y) Wind
By number, identify all of the following four choices that are TRUE of exergonic reactions: 1) they release energy 2) they are spontaneous 3) they have an equilibrium constant greater than one 4) they can be coupled to endergonic reactions
Choices:
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During which of the following parts of mitosis do kinetochores begin to mature and attach to the spindles? W) Prophase X) Metaphase Y) Anaphase Z) Telophase
W: W) Prophase
X: X) Metaphase
Y: Y) Anaphase
Z: Z) Telophase
Answer: W) W) Prophase
What stage of cellular respiration ends with the production of pyruvate?
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As a fraction in simplest form, what is the slope of the line that contains the points (2, 3) and (-2, 6)?
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It takes 11,600 pecans stacked end-to-end to reach the top of the Empire State Building, which is 1,250 feet tall. To the nearest integer, how many whole pecans would be needed to reach the height of the Statue of Liberty at 150 feet?
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A person with lactose intolerance most likely lacks which enzyme?
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What type of symbiotic relationship does Glycine max (soybean) have with nitrogen-fixing rhizobia?
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Which of the following would be the most appropriate for providing power for water pumping? W) Stand alone wind turbine X) Wind turbine connected to a utility power grid Y) Wind turbine combined with a photovoltaic system Z) Wind plant
W: W) Stand alone wind turbine
X: X) Wind turbine connected to a utility power grid
Y: Y) Wind turbine combined with a photovoltaic system
Z: Z) Wind plant
Answer: W) W) Stand alone wind turbine
Which of the following is LEAST dangerous to migrating birds when constructing communications towers? W) Lighted towers with a height greater than 199 feet X) Unlighted towers with a height greater than 199 feet Y) Lighted towers with a height less than 199 feet Z) Unlighted towers with a height less than 199 feet
W: W) Lighted towers with a height greater than 199 feet
X: X) Unlighted towers with a height greater than 199 feet
Y: Y) Lighted towers with a height less than 199 feet
Z: Z) Unlighted towers with a height less than 199 feet
Answer: Z) Z) Unlighted towers with a height less than 199 feet
What is the term for the difference in electrical potential between the anode and cathode of a galvanic cell?
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A radio wave has a frequency of 100 megahertz. Providing your answer in scientific notation with two significant digits, what is its period in seconds?
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What is the general term that describes the ability of an organism to maintain a stable internal condition?
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The first evidence that nitrogen-fixing bacteria populations have become too low in a terrestrial biome would be a decline in which of the following populations? W) Decomposer X) Second-order consumer Y) First-order consumer Z) Producer
W: W) Decomposer
X: X) Second-order consumer
Y: Y) First-order consumer
Z: Z) Producer
Answer: Z) Z) Producer
Evaluate the complex expression (3i)².
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Solve the following inequality: 4 – x < 6 + 3x.
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Which of the following organisms does NOT have an external bilaterally symmetric body plan? W) Lobster X) Human Y) Sea star Z) Whale
W: W) Lobster
X: X) Human
Y: Y) Sea star
Z: Z) Whale
Answer: Y) Y) Sea star
By name or number, identify all of the following five plants that are examples of invasive species in the United States: 1) multiflora rosa 2) tree-of-heaven 3) kudzu 4) air potato 5) musk thistle
Choices:
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Which of the following minerals has a cubic, or isometric, crystal system? W) Quartz X) Pyrite Y) Gypsum Z) Muscovite mica
W: W) Quartz
X: X) Pyrite
Y: Y) Gypsum
Z: Z) Muscovite mica
Answer: X) X) Pyrite
Which of the following materials has a Moh’s hardness between 3 and 4? W) Apatite X) Wire nail Y) Fingernail Z) Copper penny
W: W) Apatite
X: X) Wire nail
Y: Y) Fingernail
Z: Z) Copper penny
Answer: Z) Z) Copper penny
Which of the following is the most important observable difference between primary and secondary earthquake waves? W) Speed of travel X) Place of origin Y) Strength of impact Z) Size of wave
W: W) Speed of travel
X: X) Place of origin
Y: Y) Strength of impact
Z: Z) Size of wave
Answer: W) W) Speed of travel
What device, sometimes found in voltmeters and ammeters, measures current with a small electromagnet and needle on a pivot between the poles of a permanent magnet?
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On a topographic map, you see a feature represented by a set of concentric circles. The outermost circle is labeled 1,000, and the innermost circle is labeled 1,300. You are most likely looking at which of the following features? W) Cliff X) River Y) Basin Z) Hill
W: W) Cliff
X: X) River
Y: Y) Basin
Z: Z) Hill
Answer: Z) Z) Hill
Which of the following types of stress is found in spreading environments such as the East African Rift? W) Compression X) Tension Y) Shear Z) Rotational
W: W) Compression
X: X) Tension
Y: Y) Shear
Z: Z) Rotational
Answer: X) X) Tension