MS Sample Set 5, Round 5 from NSB
Which of the following does NOT represent a function? W) x = 4 X) y = 4 Y) y = x² Z) y = 2x – 8
W: W) x = 4
X: X) y = 4
Y: Y) y = x²
Z: Z) y = 2x – 8
Answer: W) W) x = 4
You have a right circular cylinder with a radius of 6 inches and a height of 6 inches. You drop a ball with a radius of 3 inches into the cylinder. How much empty space, in cubic inches and in terms of π, remains in the cylinder?
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If you walked the full extent of each of the following lines, which would be the shortest in length? W) 0° Latitude X) 0° Longitude Y) 45°N Latitude Z) 45°E Longitude
W: W) 0° Latitude
X: X) 0° Longitude
Y: Y) 45°N Latitude
Z: Z) 45°E Longitude
Answer: Y) Y) 45°N Latitude
Which of the following pairs of rocks are formed by volcanic froth creating a vesicular texture? W) Obsidian and pumice X) Pumice and scoria Y) Scoria and shale Z) Feldspar and quartz
W: W) Obsidian and pumice
X: X) Pumice and scoria
Y: Y) Scoria and shale
Z: Z) Feldspar and quartz
Answer: X) X) Pumice and scoria
Which of the following statements is NOT true about modern evaporative coolers? W) They cool the air through the evaporation of water X) They produce an odor of algae Y) They are well suited for climates where the air is hot and the humidity is low Z) They provide little thermal comfort in highly humid climates
W: W) They cool the air through the evaporation of water
X: X) They produce an odor of algae
Y: Y) They are well suited for climates where the air is hot and the humidity is low
Z: Z) They provide little thermal comfort in highly humid climates
Answer: X) X) They produce an odor of algae
What kind of device is powered by moving water but is different from traditional hydropower turbines in that it is placed directly in a river, ocean, or tidal current?
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Which of the following is NOT a naturally occurring polymer? W) Protein X) Cellulose Y) Sucrose Z) Deoxyribonucleic acid
W: W) Protein
X: X) Cellulose
Y: Y) Sucrose
Z: Z) Deoxyribonucleic acid
Answer: Y) Y) Sucrose
Which of the following is closest to the theoretical mechanical advantage of a screw with a mean diameter of 1 centimeter and a lead of 2 millimeters? W) 2 X) 5 Y) 8 Z) 16
W: W) 2
X: X) 5
Y: Y) 8
Z: Z) 16
Answer: Z) Z) 16
What structural component of the cell cytoskeleton is shaped like a hollow tube?
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By name or number, identify all of the following four choices that are NOT considered lipids: 1) cholesterol; 2) steroids; 3) cellulose; 4) sex hormones.
Choices:
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Which of the following lines has the steepest slope? W) y = 2x – 4 X) –x + y = 4 Y) 2y = 3x + 8 Z) 4y = 5x + 12
W: W) y = 2x – 4
X: X) –x + y = 4
Y: Y) 2y = 3x + 8
Z: Z) 4y = 5x + 12
Answer: W) W) y = 2x – 4
What is the surface area, in square feet, of a box that measures half of a foot by half of a foot by a quarter of a foot?
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You want to chill a can of soda. You should place it in a bucket filled with which of the following for it to chill the fastest? W) Ice X) Fresh water and ice Y) Ice with salt Z) Salty water and ice
W: W) Ice
X: X) Fresh water and ice
Y: Y) Ice with salt
Z: Z) Salty water and ice
Answer: Z) Z) Salty water and ice
What is the name of the process that causes an electrical current in a changing magnetic field?
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Which of the following is the name of the glacial deposit that is formed as a stream flows underneath a glacier? W) Drumlin X) Kame Y) Esker Z) Erratic
W: W) Drumlin
X: X) Kame
Y: Y) Esker
Z: Z) Erratic
Answer: Y) Y) Esker
Which of the following best represents why two igneous rocks may have the same minerals but different names? W) Found in different places X) Different sizes Y) Different colors Z) Different textures
W: W) Found in different places
X: X) Different sizes
Y: Y) Different colors
Z: Z) Different textures
Answer: Z) Z) Different textures
A pure tone is played softly, and then the volume is increased. Which of the following statements best describes what occurs with respect to the sound waves given off when the volume is increased? W) The amplitude increases X) The frequency increases Y) The amplitude decreases Z) The frequency decreases
W: W) The amplitude increases
X: X) The frequency increases
Y: Y) The amplitude decreases
Z: Z) The frequency decreases
Answer: W) W) The amplitude increases
By name or number, identify all of the following four choices that are amorphous solids: 1) glass; 2) rubber; 3) ice; 4) wax.
Choices:
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Which of the following factors does NOT affect the rate of photosynthesis? W) Temperature X) Amount of free oxygen Y) Amount of carbon dioxide Z) Light intensity
W: W) Temperature
X: X) Amount of free oxygen
Y: Y) Amount of carbon dioxide
Z: Z) Light intensity
Answer: X) X) Amount of free oxygen
The light-dependent reactions of photosynthesis occur on which membrane-bound compartment inside chloroplasts?
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In what direction does an observer have to look in order to see Venus at sunset?
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Which of the following serves as the reproductive location for the American eel? W) Baltic Sea X) Sargasso Sea Y) Pacific Ocean Z) Hudson Bay
W: W) Baltic Sea
X: X) Sargasso Sea
Y: Y) Pacific Ocean
Z: Z) Hudson Bay
Answer: X) X) Sargasso Sea
The point (–3, –2) is reflected through the line y = –x. What are the coordinates of its image?
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Providing your answer in simplest radical form, what is the distance, in units, between the points (2, 3) and (–2, 8)?
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How many valence electrons do the alkaline earth metals possess?
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By name or number, rank the following five substances from lowest to highest on the pH scale: 1) water; 2) soap; 3) stomach acid; 4) blood; 5) soda pop.
Choices:
Correct Order:
What is the name of the junction between two neurons?
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If a cell is placed in a hypotonic solution, what effect will osmosis have on the cell? W) It will remain the same X) It will become turgid or lyse Y) It will lose ions Z) It will shrivel or plasmolyze
W: W) It will remain the same
X: X) It will become turgid or lyse
Y: Y) It will lose ions
Z: Z) It will shrivel or plasmolyze
Answer: X) X) It will become turgid or lyse
A student waters a plant with salt water and measures growth over the course of two weeks. She creates a graph of her data. Which variables should she put on the x and y axes? W) Time on the x axis and amount of salt on the y axis X) Amount of salt on the x axis and plant size on the y axis Y) Plant size on the x axis and time on the y axis Z) Time on the x axis and plant size on the y axis
W: W) Time on the x axis and amount of salt on the y axis
X: X) Amount of salt on the x axis and plant size on the y axis
Y: Y) Plant size on the x axis and time on the y axis
Z: Z) Time on the x axis and plant size on the y axis
Answer: Z) Z) Time on the x axis and plant size on the y axis
If a Celsius thermometer shows a temperature reading of 41°, which of the following is the closest temperature in degrees Fahrenheit? W) 97 X) 102 Y) 106 Z) 111
W: W) 97
X: X) 102
Y: Y) 106
Z: Z) 111
Answer: Y) Y) 106
Which of the following mixtures is made of liquids that are miscible? W) Salad dressing X) Pizza Y) Gasoline Z) Water
W: W) Salad dressing
X: X) Pizza
Y: Y) Gasoline
Z: Z) Water
Answer: Y) Y) Gasoline
If you suspend two empty aluminum soda cans next to each other and blow quickly between them, how will the cans move with respect to each other?
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Where is the water along a stream’s meander expected to move most quickly? W) Along the bottom waters X) Along the surface waters Y) Along the outside bank Z) Along the inside bank
W: W) Along the bottom waters
X: X) Along the surface waters
Y: Y) Along the outside bank
Z: Z) Along the inside bank
Answer: Y) Y) Along the outside bank
Igneous rocks that contain the last minerals to crystallize from magma, and consist mainly of sodium and potassium feldspars and quartz are said to have which of the following compositions? W) Lithic X) Mafic Y) Felsic Z) Gneissic
W: W) Lithic
X: X) Mafic
Y: Y) Felsic
Z: Z) Gneissic
Answer: Y) Y) Felsic
Four identical 4 Ω resistors are connected in series. What is the total resistance in ohms?
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Which of the following radioactive isotopes is most likely to have replaced the calcium in the bones of people who lived near Chernobyl? W) Strontium X) Iodine Y) Cesium Z) Plutonium
W: W) Strontium
X: X) Iodine
Y: Y) Cesium
Z: Z) Plutonium
Answer: W) W) Strontium
What is the term for the solid, organic by-products of wastewater treatment?
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Which of the following is NOT a benefit of using biosolids in compost? W) They retain moisture X) They have nutrient-rich composition Y) They promote microbial diversity Z) They generate bioaerosols which add additional nutrients into nearby soils
W: W) They retain moisture
X: X) They have nutrient-rich composition
Y: Y) They promote microbial diversity
Z: Z) They generate bioaerosols which add additional nutrients into nearby soils
Answer: Z) Z) They generate bioaerosols which add additional nutrients into nearby soils
Which of the following angles in degrees cannot be constructed using only compass and straightedge? W) 15 X) 20 Y) 30 Z) 45
W: W) 15
X: X) 20
Y: Y) 30
Z: Z) 45
Answer: X) X) 20
Consider the line y = 2x + 1. For what values of x will x and y have the same sign?
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Soils that have an abundance of which of the following generally have the greatest rate of permeability? W) Sand X) Silt Y) Clay Z) Humus
W: W) Sand
X: X) Silt
Y: Y) Clay
Z: Z) Humus
Answer: W) W) Sand
Titan, one of Saturn’s moons, has an average temperature far below the triple point of water. Instead, it has solid, liquid, and vapor phases of what compound?
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What is the SI unit of inductance?
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If a car goes from 0 to 20 meters per second in 8 seconds, providing your answer as a decimal to the nearest tenth, what is its average acceleration in meters per second squared?
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What occurs when air is rapidly superheated by lightning and expands, cools, and then contracts?
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Due to the presence of folds in the Appalachian Mountains, what type of drainage would you expect to find there?
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Which of the following animals requires the most energy to survive? W) Marmot X) Lizard Y) Salmon Z) Frog
W: W) Marmot
X: X) Lizard
Y: Y) Salmon
Z: Z) Frog
Answer: W) W) Marmot
Name two radioactive isotopes released from the Fukushima Daiichi nuclear power plant, crippled by the March 11, 2011 earthquake and tsunami.
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Which of the following best describes a karyotype? W) A region of the chromosome where the two sister chromatids are held together X) An organized visual profile of the chromosomes Y) Chromosomes that occur singly Z) Chromosomes found in mitochondria and chloroplasts
W: W) A region of the chromosome where the two sister chromatids are held together
X: X) An organized visual profile of the chromosomes
Y: Y) Chromosomes that occur singly
Z: Z) Chromosomes found in mitochondria and chloroplasts
Answer: X) X) An organized visual profile of the chromosomes
For which of the following situations would active transport be required? W) Movement of ethanol across a cell membrane X) Releasing oxygen produced by photosynthesis Y) Releasing carbon dioxide produced by respiration Z) Moving molecules against a concentration gradient
W: W) Movement of ethanol across a cell membrane
X: X) Releasing oxygen produced by photosynthesis
Y: Y) Releasing carbon dioxide produced by respiration
Z: Z) Moving molecules against a concentration gradient
Answer: Z) Z) Moving molecules against a concentration gradient