MS Sample Set 6, Round 4 from NSB
An approximate representation or simulation of a system being studied is called which of the following? W) Hypothesis X) Model Y) Experiment Z) Scientific law
W: W) Hypothesis
X: X) Model
Y: Y) Experiment
Z: Z) Scientific law
Answer: X) X) Model
Which of the following best represents the proper order of steps in the scientific process? W) Test, discuss, observe, hypothesize X) Test, observe, discuss, hypothesize Y) Observe, hypothesize, test, discuss Z) Discuss, observe, hypothesize, test
W: W) Test, discuss, observe, hypothesize
X: X) Test, observe, discuss, hypothesize
Y: Y) Observe, hypothesize, test, discuss
Z: Z) Discuss, observe, hypothesize, test
Answer: Y) Y) Observe, hypothesize, test, discuss
Which of the following is a polyhedron whose base is a polygon and whose other faces meet at a point? W) Pyramid X) Cone Y) Prism Z) Regular polyhedron
W: W) Pyramid
X: X) Cone
Y: Y) Prism
Z: Z) Regular polyhedron
Answer: W) W) Pyramid
What is the surface area, in feet squared and to the nearest integer, of a sphere with a radius of 1 foot?
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What is the density in grams per cubic centimeter of a substance that has a mass of 50 grams and a volume of 10 cubic centimeters?
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If calcium were to combine with bromine to form a neutral molecule, what is the least number of calcium and bromine atoms, respectively, that would be required?
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The energy used in our households comes through electrical lines originating from which of the following locations? W) A generation station X) A rectifying bridge Y) A power supply Z) A DC to DC converter
W: W) A generation station
X: X) A rectifying bridge
Y: Y) A power supply
Z: Z) A DC to DC converter
Answer: W) W) A generation station
Fuel cells work in which of the following ways? W) By converting chemical energy into electrical energy X) By processing plant matter to generate electricity Y) By converting thermal energy into electrical energy Z) By using fossil fuels to generate mechanical energy
W: W) By converting chemical energy into electrical energy
X: X) By processing plant matter to generate electricity
Y: Y) By converting thermal energy into electrical energy
Z: Z) By using fossil fuels to generate mechanical energy
Answer: W) W) By converting chemical energy into electrical energy
Which of the following organisms has the most recent common ancestor with humans? W) Orangutan X) Gorilla Y) Chimpanzee Z) Lemur
W: W) Orangutan
X: X) Gorilla
Y: Y) Chimpanzee
Z: Z) Lemur
Answer: Y) Y) Chimpanzee
What metallic element in hemoglobin binds oxygen?
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A parallelogram has a height of 20 feet. If its area is 600 square feet, what is its base in feet?
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Giving your answer as a percent, what is the grade, or slope, of a dirt road that rises 20 feet for a horizontal distance of 400 feet?
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On a velocity graph, what is the acceleration when the line is level and horizontal?
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Which of the following represents a synthesis reaction? W) Zn + HCl → ZnCl₂ + H₂ X) AgNO₃ + HCl → AgCl + HNO₃ Y) 2KClO₃ → 2KCl + 3O₂ Z) N₂ + 3H₂ → 2NH₃
W: W) Zn + HCl → ZnCl₂ + H₂
X: X) AgNO₃ + HCl → AgCl + HNO₃
Y: Y) 2KClO₃ → 2KCl + 3O₂
Z: Z) N₂ + 3H₂ → 2NH₃
Answer: Z) Z) N₂ + 3H₂ → 2NH₃
Which of the following is characteristic of all plankton? W) Microscopic X) Single-celled Y) Limited in mobility Z) Photosynthetic
W: W) Microscopic
X: X) Single-celled
Y: Y) Limited in mobility
Z: Z) Photosynthetic
Answer: Y) Y) Limited in mobility
What is the name for igneous rock that cuts across the structure of adjoining rock, usually as a result of magma intrusion?
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It is impossible for a sound wave to travel through which of the following? W) Water X) Air Y) A vacuum Z) Wood
W: W) Water
X: X) Air
Y: Y) A vacuum
Z: Z) Wood
Answer: Y) Y) A vacuum
Which of the following statements is NOT true? W) Stirring a solution will decrease the rate at which a solid solute dissolves X) For most solid solutes, increasing the temperature of the solvent speeds up the dissolution rate Y) Decreasing the surface area of the solute decreases the dissolution rate Z) For a gaseous solute, cooling the solvent increases the dissolution rate
W: W) Stirring a solution will decrease the rate at which a solid solute dissolves
X: X) For most solid solutes, increasing the temperature of the solvent speeds up the dissolution rate
Y: Y) Decreasing the surface area of the solute decreases the dissolution rate
Z: Z) For a gaseous solute, cooling the solvent increases the dissolution rate
Answer: W) W) Stirring a solution will decrease the rate at which a solid solute dissolves
If a single phase circuit contains at least one live wire, what is the minimum number of wires needed in a three phase system?
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Which of the following is a characteristic of appliances labeled under the Energy Star logo? W) They consume 10–15% less energy than required by federal standards X) They consume 20–30% less energy than required by federal standards Y) They convert 30% of the electrical energy into mechanical energy Z) They have an energy loss of around 20–30%
W: W) They consume 10–15% less energy than required by federal standards
X: X) They consume 20–30% less energy than required by federal standards
Y: Y) They convert 30% of the electrical energy into mechanical energy
Z: Z) They have an energy loss of around 20–30%
Answer: X) X) They consume 20–30% less energy than required by federal standards
Which of the following hormones induces glucose uptake by cells after food consumption? W) Glucagon X) Glucuronidase Y) Insulin Z) Thyroxin
W: W) Glucagon
X: X) Glucuronidase
Y: Y) Insulin
Z: Z) Thyroxin
Answer: Y) Y) Insulin
What plant hormone causes tree leaves to fall in the autumn?
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Providing your answer in terms of π and in centimeters, what is the circumference of a circular disk whose area is 100π square centimeters?
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What is the height in centimeters of a trapezoid for which the two bases measure 13 centimeters and 27 centimeters, and its area is equal to 400 square centimeters?
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The largest shield volcano in our solar system, Olympus Mons, is located on which planet?
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On which of the following types of volcanoes is scoria commonly found? W) Shield volcano X) Composite volcano Y) Cinder cone Z) Fissure vents
W: W) Shield volcano
X: X) Composite volcano
Y: Y) Cinder cone
Z: Z) Fissure vents
Answer: Y) Y) Cinder cone
Down syndrome is a condition associated with which of the following genetic abnormalities? W) Duplication of chromosome 3 X) Trisomy 21 Y) No sex chromosome Z) Monosomy 7
W: W) Duplication of chromosome 3
X: X) Trisomy 21
Y: Y) No sex chromosome
Z: Z) Monosomy 7
Answer: X) X) Trisomy 21
The human disease malaria is caused by which of the following types of pathogen? W) Prion X) Virus Y) Protist Z) Bacterium
W: W) Prion
X: X) Virus
Y: Y) Protist
Z: Z) Bacterium
Answer: Y) Y) Protist
Which of the following forms of RNA carries genetic information from the nucleus to the ribosomes? W) Regulatory X) Messenger Y) Transfer Z) Micro
W: W) Regulatory
X: X) Messenger
Y: Y) Transfer
Z: Z) Micro
Answer: X) X) Messenger
Which of the following correctly lists two of the three types of rocks in the rock cycle? W) Igneous and metamorphic X) Metamorphic and megamorphic Y) Sedimentary and morphometric Z) Morphometric and sedimentary
W: W) Igneous and metamorphic
X: X) Metamorphic and megamorphic
Y: Y) Sedimentary and morphometric
Z: Z) Morphometric and sedimentary
Answer: W) W) Igneous and metamorphic
What is the name of the large transform boundary found in western California?
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Which of the following cloud types is most commonly associated with major thunderstorms? W) Nimbostratus X) Cumulonimbus Y) Cirrus Z) Stratus
W: W) Nimbostratus
X: X) Cumulonimbus
Y: Y) Cirrus
Z: Z) Stratus
Answer: X) X) Cumulonimbus
Which of the following characteristics is NOT related to sound? W) Wavelength X) Speed Y) Mass Z) Amplitude
W: W) Wavelength
X: X) Speed
Y: Y) Mass
Z: Z) Amplitude
Answer: Y) Y) Mass
How is the magnetism of an electromagnet turned on and off? W) With a galvanometer X) Adding more turns in the coil Y) Reversing the direction of the current Z) Turning the current through the coil on and off
W: W) With a galvanometer
X: X) Adding more turns in the coil
Y: Y) Reversing the direction of the current
Z: Z) Turning the current through the coil on and off
Answer: Z) Z) Turning the current through the coil on and off
Which of the following best describes a carbon footprint? W) A footprint that is left when someone steps on carbon X) The emission of greenhouse gases caused by a product or individual Y) A monetary credit awarded to people who reduce their greenhouse gas emissions Z) A factor that does not merit consideration when buying energy efficient appliances
W: W) A footprint that is left when someone steps on carbon
X: X) The emission of greenhouse gases caused by a product or individual
Y: Y) A monetary credit awarded to people who reduce their greenhouse gas emissions
Z: Z) A factor that does not merit consideration when buying energy efficient appliances
Answer: X) X) The emission of greenhouse gases caused by a product or individual
Beside batteries, which of the following is another way to store energy from renewable energy systems for later use? W) Ultra inductors X) Tesla coils Y) Ultra capacitors Z) Fuel cells
W: W) Ultra inductors
X: X) Tesla coils
Y: Y) Ultra capacitors
Z: Z) Fuel cells
Answer: Y) Y) Ultra capacitors
Which of the following molecules gives carrots their orange color? W) Vitamin A X) Carotene Y) Lycopene Z) Vitamin C
W: W) Vitamin A
X: X) Carotene
Y: Y) Lycopene
Z: Z) Vitamin C
Answer: X) X) Carotene
Standardized terms are used to describe locations on an organism’s body. Which of the following terms refers to the region of the body with the stomach? W) Ventral X) Dorsal Y) Posterior Z) Anterior
W: W) Ventral
X: X) Dorsal
Y: Y) Posterior
Z: Z) Anterior
Answer: W) W) Ventral
Given a triangle FGE, such that GT is one of its medians, if TE = 8, what is the length of FE?
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Given the parallelogram with vertices (2, 6), (8, 6), and (7, 2), what are the coordinates of the fourth vertex if the sum of those two coordinates is as small as possible?
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Which of the following terms is known as the set of alleles present in an organism? W) Genotype X) Trait Y) Gene Z) Phenotype
W: W) Genotype
X: X) Trait
Y: Y) Gene
Z: Z) Phenotype
Answer: W) W) Genotype
Providing your answer as a decimal, how much energy in kilowatt hours is needed to run a 50 watt light bulb for 5 hours?
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What type of weathering is defined by disintegration of rock into smaller and smaller fragments, each with the same properties of the original?
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What is the name of a rock or boulder that differs from the surrounding rock and is believed to have been brought from a distance through glacial action?
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Which of the following elements is a metalloid? W) Silicon X) Calcium Y) Iron Z) Argon
W: W) Silicon
X: X) Calcium
Y: Y) Iron
Z: Z) Argon
Answer: W) W) Silicon
Which of the following statements best describes the properties of semiconductors? W) They are more conductive than metals but less conductive than nonmetal insulators X) Their conductivity is the same as metals Y) Impurities make them less conductive than metals and nonmetals Z) They are less conductive than metals but more conductive than insulators
W: W) They are more conductive than metals but less conductive than nonmetal insulators
X: X) Their conductivity is the same as metals
Y: Y) Impurities make them less conductive than metals and nonmetals
Z: Z) They are less conductive than metals but more conductive than insulators
Answer: Z) Z) They are less conductive than metals but more conductive than insulators
Which of the following proportions is NOT correct? W) 15/9 = 5/3 X) 30/50 = 600/1000 Y) 8/24 = 4/16 Z) 4.2/8.4 = 5/10
W: W) 15/9 = 5/3
X: X) 30/50 = 600/1000
Y: Y) 8/24 = 4/16
Z: Z) 4.2/8.4 = 5/10
Answer: Y) Y) 8/24 = 4/16
The length of rectangle A is 24 centimeters, and the length of rectangle B is 96 centimeters. Given that the two rectangles are similar, what is the ratio of the area of A to the area of B?
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Which of the following organs is the first to lose its function under hypoxic conditions? W) Heart X) Brain Y) Liver Z) Lungs
W: W) Heart
X: X) Brain
Y: Y) Liver
Z: Z) Lungs
Answer: X) X) Brain
You have isolated a pathogen which contains RNA surrounded by a protein coat, but which lacks other cellular organelles. What type of pathogen is it?
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