MS Sample Set 8, Round 1 from NSB
In plants and animals, what class of nucleic acid polymer is the primary form of genetic material that is heritable from one generation to the next?
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What part of the pistil forms a closed receptacle for the ovules? W) Carpel X) Petal Y) Sepal Z) Peduncle
W: W) Carpel
X: X) Petal
Y: Y) Sepal
Z: Z) Peduncle
Answer: W) W) Carpel
Identify the 21st term of the arithmetic sequence with first three terms 5, 10, 15. W) 100 X) 105 Y) 110 Z) 125
W: W) 100
X: X) 105
Y: Y) 110
Z: Z) 125
Answer: X) X) 105
There are 5 different paths through a maze designated as Path 1, Path 2, Path 3, Path 4, and Path 5. Each path is equally likely to be chosen. What is the percent probability of NOT choosing Path 1?
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Which of the following does NOT represent a chemical reaction? W) Water falling from a tap X) Grape juice turning into wine Y) Milk turning to cheese Z) Rust forming on a nail
W: W) Water falling from a tap
X: X) Grape juice turning into wine
Y: Y) Milk turning to cheese
Z: Z) Rust forming on a nail
Answer: W) W) Water falling from a tap
Thomas Edison championed the use of direct current for homes and industry. Who favored the use of alternating current because of its ability to be transmitted great distances?
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What is the common name of the members of the class Aves?
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Which of the following organisms were the earliest life forms to evolve in the ocean? W) Protozoa X) Algae Y) Bacteria Z) Fungi
W: W) Protozoa
X: X) Algae
Y: Y) Bacteria
Z: Z) Fungi
Answer: Y) Y) Bacteria
Ocean waves are created by which of the following? W) Wind X) Shape of the ocean floor Y) Water depth Z) Currents
W: W) Wind
X: X) Shape of the ocean floor
Y: Y) Water depth
Z: Z) Currents
Answer: W) W) Wind
What type of earthquakes occurring on the island of Hawaii are a result of magma movement underneath Kilauea?
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Sand dollars, sea stars, sea cucumbers, and sea urchins all belong to what phylum?
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Which of the following are NOT found in both prokaryotes and eukaryotes? W) Flagella X) Ribosomes Y) Mitochondria Z) Plasma membrane
W: W) Flagella
X: X) Ribosomes
Y: Y) Mitochondria
Z: Z) Plasma membrane
Answer: Y) Y) Mitochondria
Assuming that the Earth is a sphere of radius r, what is the surface area of the Northern hemisphere? W) \(\tfrac{2}{3}\pi r^3\) X) \(\displaystyle 2\pi r^2\) Y) \(3\pi r^2\) Z) \(4\pi r^2\)
W: W) \(\tfrac{2}{3}\pi r^3\)
X: X) \(\displaystyle 2\pi r^2\)
Y: Y) \(3\pi r^2\)
Z: Z) \(4\pi r^2\)
Answer: X) X) \(\displaystyle 2\pi r^2\)
How many positive integers are between \(\sqrt{3}\) and \(\sqrt{82}\)?
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Coal and natural gas are the leading sources of fuel for electricity production in the U.S. What is the third leading source?
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In most geothermal applications, what substance is used to rotate the generation turbines? W) Liquid water X) Natural gas Y) Brine Z) Steam
W: W) Liquid water
X: X) Natural gas
Y: Y) Brine
Z: Z) Steam
Answer: Z) Z) Steam
Which of the following materials best prevents the flow of electricity? W) Copper X) Silicon Y) Gold Z) Distilled water
W: W) Copper
X: X) Silicon
Y: Y) Gold
Z: Z) Distilled water
Answer: Z) Z) Distilled water
In the periodic table, elements are arranged by which of the following? W) Atomic number X) Binding energy Y) Mass number Z) Number of isotopes
W: W) Atomic number
X: X) Binding energy
Y: Y) Mass number
Z: Z) Number of isotopes
Answer: W) W) Atomic number
Which of the following has the function of modifying, sorting, and preparing substances for use within the eukaryotic cell or for transport outside of the cell? W) Ribosome X) Endoplasmic reticulum Y) Golgi apparatus Z) Mitochondria
W: W) Ribosome
X: X) Endoplasmic reticulum
Y: Y) Golgi apparatus
Z: Z) Mitochondria
Answer: Y) Y) Golgi apparatus
Which of the following marine organisms would be considered ectothermic? W) Gull X) Penguin Y) Sea turtle Z) Manatee
W: W) Gull
X: X) Penguin
Y: Y) Sea turtle
Z: Z) Manatee
Answer: Y) Y) Sea turtle
In the deep ocean, the continuous shower of mostly organic detritus falling from the upper layers of the water column is called which of the following? W) Marine snow X) Fecal snow Y) Organic snow Z) Carbon snow
W: W) Marine snow
X: X) Fecal snow
Y: Y) Organic snow
Z: Z) Carbon snow
Answer: W) W) Marine snow
Which of the following is NOT considered a rift valley? W) Mid-ocean ridges X) Rhine River Valley Y) Red Sea Z) Mississippi River Valley
W: W) Mid-ocean ridges
X: X) Rhine River Valley
Y: Y) Red Sea
Z: Z) Mississippi River Valley
Answer: Z) Z) Mississippi River Valley
You are setting up an experiment looking at the effects of increased phosphorus concentrations on the growth of Glycine max. In this experiment, the concentration of phosphorus is what kind of variable?
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Which of the following BEST describes a hypothesis? W) The process of investigating a question X) A possible explanation based on prior evidence Y) A widely accepted explanation Z) An observation
W: W) The process of investigating a question
X: X) A possible explanation based on prior evidence
Y: Y) A widely accepted explanation
Z: Z) An observation
Answer: X) X) A possible explanation based on prior evidence
What is the standard form of the following equation: \[ 2x = 3y - 5 \] W) \(2x - 3y = 5\) X) \(2x - 5 = 3y\) Y) \(2x + 3y = 5\) Z) \(2x - 3y = -5\)
W: W) \(2x - 3y = 5\)
X: X) \(2x - 5 = 3y\)
Y: Y) \(2x + 3y = 5\)
Z: Z) \(2x - 3y = -5\)
Answer: Z) Z) \(2x - 3y = -5\)
How many parallel pairs of faces does a right regular hexagonal prism have?
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An atom’s ability to react with other atoms is determined by what type of subatomic particle? W) Protons X) Neutrinos Y) Neutrons Z) Electrons
W: W) Protons
X: X) Neutrinos
Y: Y) Neutrons
Z: Z) Electrons
Answer: Z) Z) Electrons
The atomic weight (in amu) of an element most nearly reflects the atom's total number of which of the following? W) Protons and neutrons X) Protons and electrons Y) Neutrons only Z) Protons only
W: W) Protons and neutrons
X: X) Protons and electrons
Y: Y) Neutrons only
Z: Z) Protons only
Answer: W) W) Protons and neutrons
In which part of the plant would you expect to find the largest concentration of photosynthetic pigments? W) Roots X) Shoots Y) Leaves Z) Fruit
W: W) Roots
X: X) Shoots
Y: Y) Leaves
Z: Z) Fruit
Answer: Y) Y) Leaves
What is the vector for the organism that causes malaria?
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The hardness of a mineral determines how resistant it is to which of the following? W) Mass loading X) Fracture Y) Scratching Z) Temperature flux
W: W) Mass loading
X: X) Fracture
Y: Y) Scratching
Z: Z) Temperature flux
Answer: Y) Y) Scratching
The early atmosphere of the Earth probably was rich in all EXCEPT which of the following gases? W) Oxygen X) Carbon monoxide Y) Carbon dioxide Z) Nitrogen
W: W) Oxygen
X: X) Carbon monoxide
Y: Y) Carbon dioxide
Z: Z) Nitrogen
Answer: W) W) Oxygen
DC/DC converters operate on the principle of volt-second balance. Based on this assumption, which of the following average values is zero? W) Voltage across the inductor(s) X) Voltage across the capacitor(s) Y) Voltage across the load(s) Z) Voltage across the transistor(s)
W: W) Voltage across the inductor(s)
X: X) Voltage across the capacitor(s)
Y: Y) Voltage across the load(s)
Z: Z) Voltage across the transistor(s)
Answer: W) W) Voltage across the inductor(s)
What is thought to be driving the rapid (and accelerating) expansion of the universe, while accounting for nearly three-quarters of the mass and energy that exists in the universe?
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Which group of plants enclose their seeds within a fruit?
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Atopic dermatitis is a medical condition predominantly affecting which organ system? W) Hepatobiliary X) Integumentary Y) Skeletal Z) Circulatory
W: W) Hepatobiliary
X: X) Integumentary
Y: Y) Skeletal
Z: Z) Circulatory
Answer: X) X) Integumentary
Mike buys hot dogs that come in packages of 10. If hot dog buns come in packages of 8, what is the fewest number of hot dog packages he can buy in order to have the same number of hot dogs as buns?
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Which of the following conditions is NOT used for similarity of two triangles? W) SSS X) AAA Y) SSA Z) SAS
W: W) SSS
X: X) AAA
Y: Y) SSA
Z: Z) SAS
Answer: Y) Y) SSA
According to the Richter scale, which of the following is closest to the ratio of the energy released in a magnitude 10 earthquake to that released in a magnitude 8 earthquake? W) 10 X) 20 Y) 100 Z) 1000
W: W) 10
X: X) 20
Y: Y) 100
Z: Z) 1000
Answer: Z) Z) 1000
Atoms of which of these elements tend to form three covalent bonds? W) Carbon X) Nitrogen Y) Oxygen Z) Chlorine
W: W) Carbon
X: X) Nitrogen
Y: Y) Oxygen
Z: Z) Chlorine
Answer: X) X) Nitrogen
Ozone is an important gas in the stratosphere. What is the chemical formula of ozone?
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Which of the following rates, referring to costs for peak hour cost versus off-peak hour cost, respectively, would most incentivize a homeowner for running their large appliances during off-peak hours rather than peak hours? W) $2 per kilowatt and $0.10 per kilowatt hour X) $1 per kilowatt and $0.10 per kilowatt hour Y) $1 per kilowatt and $0.12 per kilowatt hour Z) $3 per kilowatt and $0.10 per kilowatt hour
W: W) $2 per kilowatt and $0.10 per kilowatt hour
X: X) $1 per kilowatt and $0.10 per kilowatt hour
Y: Y) $1 per kilowatt and $0.12 per kilowatt hour
Z: Z) $3 per kilowatt and $0.10 per kilowatt hour
Answer: Z) Z) $3 per kilowatt and $0.10 per kilowatt hour
In what organelle of a plant cell does photosynthesis occur?
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In addition to being birds, what do the Great Auk, moa, passenger pigeon, and Carolina parakeet have in common? W) They are all listed as invasive species in North America X) They are all extinct Y) They are all listed as threatened species in their native habitats Z) They are all being raised in captive breeding programs for later release into the wild
W: W) They are all listed as invasive species in North America
X: X) They are all extinct
Y: Y) They are all listed as threatened species in their native habitats
Z: Z) They are all being raised in captive breeding programs for later release into the wild
Answer: X) X) They are all extinct
What must a glacier meet in order to form an ice shelf?
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What major geologic forces operate at the shoreline? W) Surface water and wind X) Waves and tides Y) Wind and tides Z) Chemical and physical weathering
W: W) Surface water and wind
X: X) Waves and tides
Y: Y) Wind and tides
Z: Z) Chemical and physical weathering
Answer: X) X) Waves and tides