MS Sample Set 9, Round 7 from NSB
A pair of headphones originally priced at 80 dollars is on sale at 25% off. If the sales tax is 10%, what is the total price, in dollars, of these headphones? W) 45 X) 52 Y) 66 Z) 68
W: W) 45
X: X) 52
Y: Y) 66
Z: Z) 68
Answer: Y) Y) 66
Simplify $$3x^2 (2x - 8 + 5x^3) - (4x^5 + 7x)$$.
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Plant cells differ from animal cells in that only plant cells possess: W) Nuclei X) Mitochondria Y) Cell walls Z) Lysosomes
W: W) Nuclei
X: X) Mitochondria
Y: Y) Cell walls
Z: Z) Lysosomes
Answer: Y) Y) Cell walls
What fatty layer covers some neurons at regular intervals and is responsible for the coloring of white matter in the brain?
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What is the name of the heat energy trapped in the Earth’s interior?
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Colony collapse disorder is a phenomenon associated with what animals?
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Which factor does not influence the speed needed to put a satellite into orbit? W) Mass of the satellite X) Radius of the orbit Y) Shape of the orbit Z) Mass of the planet
W: W) Mass of the satellite
X: X) Radius of the orbit
Y: Y) Shape of the orbit
Z: Z) Mass of the planet
Answer: W) W) Mass of the satellite
Ice is placed into a beaker partially filled with water at room temperature and standard atmospheric pressure. If all of the ice melts, what is the lowest possible temperature of the new volume of water at the end of the melting process in degrees Celsius?
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The climate of northwestern Europe is most directly affected by the: W) Gulf stream X) Abyssal zone Y) Trade winds Z) Labrador Current
W: W) Gulf stream
X: X) Abyssal zone
Y: Y) Trade winds
Z: Z) Labrador Current
Answer: W) W) Gulf stream
Ninety-nine percent of the atmosphere is composed of what two gases?
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By weight, what element is MOST common in petroleum? W) Carbon X) Hydrogen Y) Oxygen Z) Nitrogen
W: W) Carbon
X: X) Hydrogen
Y: Y) Oxygen
Z: Z) Nitrogen
Answer: W) W) Carbon
Which of the following activities best describes the practice of science as inquiry? W) Placing different objects in a tank of water to determine which ones sink X) Following directions in constructing a bridge made of popsicle sticks Y) Determining what materials are needed to build a terrarium Z) Assessing the conditions of a road to determine how long a trip will take
W: W) Placing different objects in a tank of water to determine which ones sink
X: X) Following directions in constructing a bridge made of popsicle sticks
Y: Y) Determining what materials are needed to build a terrarium
Z: Z) Assessing the conditions of a road to determine how long a trip will take
Answer: W) W) Placing different objects in a tank of water to determine which ones sink
In the United States, where does most of the hydropower production originate? W) Oceanic coastal regions X) Banks of the Mississippi river Y) Bases of mountain streams Z) Coasts of the Great Lakes
W: W) Oceanic coastal regions
X: X) Banks of the Mississippi river
Y: Y) Bases of mountain streams
Z: Z) Coasts of the Great Lakes
Answer: W) W) Oceanic coastal regions
Which of the following requires the greatest percentage of energy in a household? W) Lighting X) Refrigeration Y) Cooking Z) Heating
W: W) Lighting
X: X) Refrigeration
Y: Y) Cooking
Z: Z) Heating
Answer: Z) Z) Heating
Which of the following are abiotic factors? W) Plants X) Animals Y) Sunlight Z) Microorganisms
W: W) Plants
X: X) Animals
Y: Y) Sunlight
Z: Z) Microorganisms
Answer: Y) Y) Sunlight
What specific major group of flowering plants is traditionally recognized as possessing seeds with one primordial leaf and includes plants such as maize, rice, and wheat?
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Find the slope of the line with equation $$4x + 5y = -10$$.
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What is the product of the mean, median, and mode of the following list of seven numbers: 1, 1, 2, 3, 5, 8, 13?
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A 300 Newton stone sits atop a hill making an angle of 30 degrees with the horizontal. What is the force of gravity acting on the stone?
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Which of the following statements about sound is not true? W) Sound usually travels faster in solids than liquids X) The speed of sound is not dependent on the density of the medium Y) Sound is a pressure wave Z) The speed of sound depends on the temperature of the medium
W: W) Sound usually travels faster in solids than liquids
X: X) The speed of sound is not dependent on the density of the medium
Y: Y) Sound is a pressure wave
Z: Z) The speed of sound depends on the temperature of the medium
Answer: X) X) The speed of sound is not dependent on the density of the medium
The International Astronomical Union divides the night sky into regions based on star patterns, such as Aquila, Cygnus, and Orion. What are these regions called?
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Which of the following correctly describes Sputnik I? W) The first radio telescope X) The first space-based telescope Y) The first artificial satellite Z) The first observatory
W: W) The first radio telescope
X: X) The first space-based telescope
Y: Y) The first artificial satellite
Z: Z) The first observatory
Answer: Y) Y) The first artificial satellite
Cellular respiration is used by the cell to produce what energetically relevant molecule?
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Carbon dioxide enters plant leaves through what pores?
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A characteristic feature of the stratosphere is the relative abundance of: W) Clouds X) Ozone Y) Ions Z) Dust
W: W) Clouds
X: X) Ozone
Y: Y) Ions
Z: Z) Dust
Answer: X) X) Ozone
What extrusive igneous rock is formed when felsic lava cools rapidly and forms a glassy texture?
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What commission in the US is responsible for licensing nuclear power plants and overseeing their construction and operation?
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Barrages with built in sluices are used to harvest energy from what source? W) Wind X) Tides Y) Coal Z) Natural gas
W: W) Wind
X: X) Tides
Y: Y) Coal
Z: Z) Natural gas
Answer: X) X) Tides
Joseph Priestly discovered that a certain gas could be dissolved in water to form seltzer. What gas is found dissolved in seltzer?
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What fundamental force is primarily responsible for the formation of black holes? W) Strong nuclear X) Weak nuclear Y) Electromagnetic Z) Gravity
W: W) Strong nuclear
X: X) Weak nuclear
Y: Y) Electromagnetic
Z: Z) Gravity
Answer: Z) Z) Gravity
The prefix “nano-” refers to 10 raised to what power?
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Loudness of a sound is most closely related to what property? W) Wavelength X) Frequency Y) Amplitude Z) Harmonics
W: W) Wavelength
X: X) Frequency
Y: Y) Amplitude
Z: Z) Harmonics
Answer: Y) Y) Amplitude
Which of the following numbers is equivalent to $$7^{-1}$$? W) $-7$ X) $-\tfrac{1}{7}$ Y) $\tfrac{1}{7}$ Z) $7$
W: W) $-7$
X: X) $-\tfrac{1}{7}$
Y: Y) $\tfrac{1}{7}$
Z: Z) $7$
Answer: Y) Y) $\tfrac{1}{7}$
What is the slope of a line perpendicular to the line with equation $$8y - 2x = 4$$?
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What gemstone type of quartz is purple due to impurities such as iron oxide?
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What is the term for the line of longitude at which longitude is defined to be zero degrees?
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Simplify the expression: $$-2t - (9 - 10t)$$.
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On average, Shelley makes three free throws for every five that she attempts. If she attempts 30 free throws, how many is she expected to make?
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Which type of radiation has the greatest ability to penetrate matter? W) Gamma rays X) Beta particles Y) Alpha particles Z) X-rays
W: W) Gamma rays
X: X) Beta particles
Y: Y) Alpha particles
Z: Z) X-rays
Answer: W) W) Gamma rays
What property of a sound wave is most directly associated with pitch?
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What electrical circuit component is described by a physical property measured in farads?
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Which type of bulk transport across the plasma membrane accounts for the majority of secretion processes? W) Phagocytosis X) Endocytosis Y) Exocytosis Z) Pinocytosis
W: W) Phagocytosis
X: X) Endocytosis
Y: Y) Exocytosis
Z: Z) Pinocytosis
Answer: Y) Y) Exocytosis
Bacteria are more likely used to produce which of the following: W) Gelatin X) Honey Y) Pasteurized Milk Z) Vinegar
W: W) Gelatin
X: X) Honey
Y: Y) Pasteurized Milk
Z: Z) Vinegar
Answer: Z) Z) Vinegar
What is the pattern of inheritance when one allele is not completely dominant over another?
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Order the following three sources of electricity generation from least to greatest in terms of percentage usage in the United States: 1) Natural gas; 2) Petroleum; 3) Nuclear
Choices:
Correct Order:
Place the following three choices in order as to the percentage of total energy usage in a typical US single family home, from highest to lowest: 1) Electronics; 2) Heating; 3) Appliances
Choices:
Correct Order: