MS Sample Set 9, Round 8 from NSB
Evaluate the following expression: –19 minus the absolute value of –24.
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Which of the following pizzas has the greatest total area: W) A rectangular pizza, 18 inches by 12 inches X) A square pizza, 15 inches by 15 inches Y) A circular pizza with 14-inch diameter Z) A circular pizza with 8-inch radius
W: W) A rectangular pizza, 18 inches by 12 inches
X: X) A square pizza, 15 inches by 15 inches
Y: Y) A circular pizza with 14-inch diameter
Z: Z) A circular pizza with 8-inch radius
Answer: X) X) A square pizza, 15 inches by 15 inches
Because of its volcanic “hot spots,” the Pacific Rim is an important area for generation of what type of renewable energy?
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In passive solar homes located in the United States, most of the windows face in what cardinal direction?
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Which of the following is an ecosystem service provided by the ocean? W) Providing safe passage to mariners X) Restricting access to deep-ocean species Y) Sanitizing water in the hydrologic cycle Z) Absorbing heat from the sun's light
W: W) Providing safe passage to mariners
X: X) Restricting access to deep-ocean species
Y: Y) Sanitizing water in the hydrologic cycle
Z: Z) Absorbing heat from the sun's light
Answer: Z) Z) Absorbing heat from the sun's light
Heavy water differs from light water because the hydrogen atoms in light water are replaced by what in heavy water?
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During which of the following situations will sundogs be visible? W) Solar eclipse X) Lunar eclipse Y) Full moon Z) Aphelion
W: W) Solar eclipse
X: X) Lunar eclipse
Y: Y) Full moon
Z: Z) Aphelion
Answer: W) W) Solar eclipse
Fossils are usually found in what type of rock? W) Sedimentary X) Igneous Y) Metamorphic Z) Tuffaceous
W: W) Sedimentary
X: X) Igneous
Y: Y) Metamorphic
Z: Z) Tuffaceous
Answer: W) W) Sedimentary
Vinegar is a liquid solution containing acetic acid and water. It could be accurately classified as which of the following? W) Colloid X) Compound Y) Homogeneous mixture Z) Heterogeneous mixture
W: W) Colloid
X: X) Compound
Y: Y) Homogeneous mixture
Z: Z) Heterogeneous mixture
Answer: Y) Y) Homogeneous mixture
Balance the following equation using simplest whole‐number coefficients: Al + HCl → AlCl₃ + H₂
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What type of animal tissue is found in the ears and nose as structural support? W) Blood X) Cartilage Y) Adipose Z) Bone
W: W) Blood
X: X) Cartilage
Y: Y) Adipose
Z: Z) Bone
Answer: X) X) Cartilage
Starch and glycogen are polymers of what simple sugar?
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In a circuit, electrons and electric current flow in what respective directions? W) Negative to positive; negative to positive X) Negative to positive; positive to negative Y) Positive to negative; positive to negative Z) Positive to negative; negative to positive
W: W) Negative to positive; negative to positive
X: X) Negative to positive; positive to negative
Y: Y) Positive to negative; positive to negative
Z: Z) Positive to negative; negative to positive
Answer: X) X) Negative to positive; positive to negative
You accidentally drop a drinking glass. After the glass left your hand: W) The inertia of Earth pulled the glass down X) Gravity caused the glass to fall at a constant rate Y) Gravity caused the glass to fall faster and faster Z) The equal and opposite forces of gravity and air resistance acted upon it
W: W) The inertia of Earth pulled the glass down
X: X) Gravity caused the glass to fall at a constant rate
Y: Y) Gravity caused the glass to fall faster and faster
Z: Z) The equal and opposite forces of gravity and air resistance acted upon it
Answer: Y) Y) Gravity caused the glass to fall faster and faster
Which of the following cell organelles is responsible for the function of respiration? W) Endoplasmic reticulum X) Lysosomes Y) Mitochondria Z) Golgi apparatus
W: W) Endoplasmic reticulum
X: X) Lysosomes
Y: Y) Mitochondria
Z: Z) Golgi apparatus
Answer: Y) Y) Mitochondria
What type of plant culturing method involves growing plants in mineral solutions instead of in soil?
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Given f⁻¹(x) = 5x, find f(x).
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A triangle has two sides with lengths of 9 and 13. Which of the following choices is not a possible length for the missing side? W) 3 X) 5 Y) 20 Z) 21
W: W) 3
X: X) 5
Y: Y) 20
Z: Z) 21
Answer: W) W) 3
Which of the following can form when calcium ions precipitate from solution? W) Calcite X) Acid rain Y) Carbonic acid Z) Chert
W: W) Calcite
X: X) Acid rain
Y: Y) Carbonic acid
Z: Z) Chert
Answer: W) W) Calcite
Which of the following glacial features forms at the foot of a glacier? W) Drumlins X) Playa lakes Y) Kettle lakes Z) Moraines
W: W) Drumlins
X: X) Playa lakes
Y: Y) Kettle lakes
Z: Z) Moraines
Answer: Z) Z) Moraines
What second magnitude star is found closest to the north celestial pole and is often called the north star?
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How many embryonic leaves do dicot seedlings have?
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“Eternal flames” that burned when the ground was ignited during lightning storms was an example of what resource seeping out of the ground?
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What term refers to the total quantity of electricity a utility company has on hand at any given time?
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What logarithmic scale is used to describe the acidity or alkalinity of a solution?
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How many feet and inches, to the nearest inch, is 152 centimeters?
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What is the volume of a cube, in cubic feet, if one edge is 4 inches long?
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A cell phone plan costs a fixed rate per month plus 5 cents per text message sent and 10 cents for every minute used over 100 hours. If Michelle sent 100 text messages, used 30.5 hours, and paid $25, how much is the fixed rate per month? W) $20 X) $22 Y) $24 Z) $26
W: W) $20
X: X) $22
Y: Y) $24
Z: Z) $26
Answer: W) W) $20
What solar feature follows an 11 year cycle?
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On average, seawater in the world’s oceans has a salinity of about 35 grams per liter. What are the two elements that contribute the most salinity in seawater?
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In the traditional 5 Kingdom classification of organisms, four of the 5 Kingdoms are Animalia, Plantae, Fungi, and Protista. What is the fifth?
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Jellyfish belong to what phylum?
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The position of an element in the periodic table is determined by its: W) Atomic mass X) Density Y) Chemical activity Z) Atomic number
W: W) Atomic mass
X: X) Density
Y: Y) Chemical activity
Z: Z) Atomic number
Answer: Z) Z) Atomic number
What is the name of the process by which a gas bypasses the liquid phase to become a solid?
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The amount of oil obtained from a given well can be increased by pumping carbon dioxide gas into the well. What is this method called?
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The Haber process is used for the industrial production of what basic compound?
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How many moons does the planet Mars have? W) 1 X) 2 Y) 3 Z) 4
W: W) 1
X: X) 2
Y: Y) 3
Z: Z) 4
Answer: X) X) 2
The usage of compounds based on what metal as an antiknocking agent was banned after the discovery that they cause extremely hazardous emissions?
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What cells in a leaf surround the stomata?
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What is the innermost layer of the root cortex? W) Endodermis X) Cortex Y) Pericycle Z) Pith
W: W) Endodermis
X: X) Cortex
Y: Y) Pericycle
Z: Z) Pith
Answer: W) W) Endodermis
An inorganic binary compound always has a name that ends with what suffix? W) -ite X) -ate Y) -ide Z) -ous
W: W) -ite
X: X) -ate
Y: Y) -ide
Z: Z) -ous
Answer: Y) Y) -ide
Why do noble gases almost never form chemical bonds? W) It is difficult for gases to form bonds X) They have filled outer valence shells Y) They have very small atomic radii Z) They are very rare
W: W) It is difficult for gases to form bonds
X: X) They have filled outer valence shells
Y: Y) They have very small atomic radii
Z: Z) They are very rare
Answer: X) X) They have filled outer valence shells
What percentage of $2000 is $400?
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What are the sum of the roots and the product of the roots, respectively, for the following quadratic equation: 2x² + 6x – 5 = 0?
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What is the name for the weak tides that occur when the Moon and the Sun's gravity oppose one another?
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What type of stars do not have sufficient mass to fuse hydrogen?
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