HS Sample Set 10, Round 8 from NSB
Which of the following compounds does NOT have an adequate octet-rule–satisfying Lewis structure representation? W) Nitrogen dioxide X) Sulfur dioxide Y) Carbon dioxide Z) Oxygen difluoride
W: W) Nitrogen dioxide
X: X) Sulfur dioxide
Y: Y) Carbon dioxide
Z: Z) Oxygen difluoride
Answer: W) W) Nitrogen dioxide
Which of the following types of hydrocarbons are saturated? W) Alkanes X) Alkenes Y) Alkynes Z) Aromatic hydrocarbons
W: W) Alkanes
X: X) Alkenes
Y: Y) Alkynes
Z: Z) Aromatic hydrocarbons
Answer: W) W) Alkanes
Which of the following gases is most likely to escape from a planet’s atmosphere? W) Hydrogen X) Helium Y) Methane Z) Ammonia
W: W) Hydrogen
X: X) Helium
Y: Y) Methane
Z: Z) Ammonia
Answer: W) W) Hydrogen
What geologic era began following the Cretaceous-Paleogene extinction?
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What initiative, created in 2000, encourages green building by promoting sustainability in construction and utility-efficient operations and maintenance?
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After about 3 years in a nuclear reactor producing electricity, 1/3 of the fuel is removed and replaced. What is the term for fuel taken from the reactor?
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Given sets A and B with A ∩ B = {5}, which of the following must be true? W) Set A may be the empty set X) Set A contains at least one element Y) Set B contains at most one element Z) Sets A and B have the same number of elements
W: W) Set A may be the empty set
X: X) Set A contains at least one element
Y: Y) Set B contains at most one element
Z: Z) Sets A and B have the same number of elements
Answer: X) X) Set A contains at least one element
Expressing your answer in terms of m, evaluate the function $$f(x) = 4x^2 - 9x + 11$$ when \(x\) is \(m - 7\).
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What term best describes a plant that has parallel leaf veins, fibrous roots, and flowers with parts in threes?
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Which of the following human cell types do NOT perform aerobic respiration? W) Red blood cells X) Heart muscle cells Y) Hair cells Z) Outer skin cells
W: W) Red blood cells
X: X) Heart muscle cells
Y: Y) Hair cells
Z: Z) Outer skin cells
Answer: W) W) Red blood cells
What is the name for the change in the direction of propagation of light when it passes from one transparent material to another?
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Generally, every time energy is converted from one form to another, there is less energy available to do useful work. What is the name of the law that states this?
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What is the sum of the two vectors \(7\mathbf{i} + 3\mathbf{j}\) and \(2\mathbf{i} - 5\mathbf{j}\)?
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The perimeters of two squares differ by 16 inches and their areas differ by 96 square inches. What is the perimeter, in inches, of the larger square?
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Which of the following constants is fundamentally related to the speed of light? W) Gravitation constant X) Permeability of free space Y) Planck constant Z) Boltzmann constant
W: W) Gravitation constant
X: X) Permeability of free space
Y: Y) Planck constant
Z: Z) Boltzmann constant
Answer: X) X) Permeability of free space
What is the equivalent resistance, in ohms to the nearest tenth, of a set of 4 parallel resistors in series with another set of 5 parallel resistors if all of the resistors have a resistance of 10 ohms?
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What plant hormone mediates phototropism?
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Which of the following is NOT a location where bile is either stored or travels to after it is made? W) Gall bladder X) Cystic duct Y) Pancreatic duct Z) Duodenum
W: W) Gall bladder
X: X) Cystic duct
Y: Y) Pancreatic duct
Z: Z) Duodenum
Answer: Y) Y) Pancreatic duct
Identify all of the following three conditions that can cause metamorphism of rocks: 1) High temperature; 2) High acidity; 3) High pressure.
Choices:
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The United States has the highest frequency of tornado occurrences of the world’s nations. To the nearest order of magnitude, how many tornadoes touch down in the United States each year? W) One hundred X) One thousand Y) Ten thousand Z) One hundred thousand
W: W) One hundred
X: X) One thousand
Y: Y) Ten thousand
Z: Z) One hundred thousand
Answer: X) X) One thousand
James Chadwick observed a type of radiation consisting of neutrally charged particles during his experiments with beryllium. What particles make up this radiation?
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What compounds, examples of which include glyceraldehyde and mannose, are formally polyhydroxy ketones with empirical formula CH₂O and are the basic energy, storage, and structural molecules of life?
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Which of the following sources of energy is derived from the gravity fields of the Sun and the Moon? W) Solar X) Ocean thermal Y) Wind Z) Ocean tidal
W: W) Solar
X: X) Ocean thermal
Y: Y) Wind
Z: Z) Ocean tidal
Answer: Z) Z) Ocean tidal
Which of the following best explains why nickel-cadmium batteries are being replaced by other types of batteries? W) Cadmium is a heavy metal pollutant X) They are not rechargeable Y) They do not have a consistent terminal voltage Z) They rapidly lose the ability to store charge
W: W) Cadmium is a heavy metal pollutant
X: X) They are not rechargeable
Y: Y) They do not have a consistent terminal voltage
Z: Z) They rapidly lose the ability to store charge
Answer: W) W) Cadmium is a heavy metal pollutant
Which of the following types of electromagnetic energy has the shortest wavelengths? W) X-rays X) AM radio Y) Infrared Z) Visible
W: W) X-rays
X: X) AM radio
Y: Y) Infrared
Z: Z) Visible
Answer: W) W) X-rays
If objects A and B have masses of 10 kg and 20 kg, respectively, and object A is traveling at 50 m/s in the positive x direction while object B is traveling at 30 m/s in the negative x direction, what is the linear momentum of the resultant system in kilogram-meters per second after a perfectly inelastic collision?
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What is the distance between the points \((0,1)\) and \((2,3)\)?
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What is the sum from \(n = 0\) to 2016 of \(\cos\bigl(\tfrac{\pi n}{2}\bigr)\)?
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Which of the following molecules can exist in boat and chair configurations? W) Benzene X) Cyclohexane Y) Cyclopentadiene Z) Naphthalene
W: W) Benzene
X: X) Cyclohexane
Y: Y) Cyclopentadiene
Z: Z) Naphthalene
Answer: X) X) Cyclohexane
Which of the following correctly explains why concentration cells have a standard cell potential of 0 volts? W) According to the Nernst equation, the standard cell potential is cancelled out by the concentration-dependent term X) At standard conditions, all cells have a standard cell potential of 0 volts Y) Standard cell potentials are measured with all species at equal concentrations Z) Concentration cells are used as a standard, so their standard cell potential is arbitrarily set to 0
W: W) According to the Nernst equation, the standard cell potential is cancelled out by the concentration-dependent term
X: X) At standard conditions, all cells have a standard cell potential of 0 volts
Y: Y) Standard cell potentials are measured with all species at equal concentrations
Z: Z) Concentration cells are used as a standard, so their standard cell potential is arbitrarily set to 0
Answer: Y) Y) Standard cell potentials are measured with all species at equal concentrations
The price of which of the following fuels has the greatest impact on the cost of electricity? W) Nuclear X) Oil Y) Coal Z) Natural Gas
W: W) Nuclear
X: X) Oil
Y: Y) Coal
Z: Z) Natural Gas
Answer: Z) Z) Natural Gas
What is the name of the strategy that makes use of both electrical and thermal output from an electricity generator to greatly increase efficiency?
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Which of the following is the mechanism by which strain energy is released during earthquakes? W) Elastic rebound X) Solution-collapse Y) Hydrostatic pressure Z) Volcanic degassing
W: W) Elastic rebound
X: X) Solution-collapse
Y: Y) Hydrostatic pressure
Z: Z) Volcanic degassing
Answer: W) W) Elastic rebound
Which of the following is NOT a way in which scientists test the reliability of computer models of future climate? W) Comparing model predictions of recent past climate to observed records X) Comparing model predictions of distant past climate to proxy records Y) Checking for consistency between the outputs of many differently constructed models Z) Confirming that models have accurately predicted local weather events each year
W: W) Comparing model predictions of recent past climate to observed records
X: X) Comparing model predictions of distant past climate to proxy records
Y: Y) Checking for consistency between the outputs of many differently constructed models
Z: Z) Confirming that models have accurately predicted local weather events each year
Answer: Z) Z) Confirming that models have accurately predicted local weather events each year
Ced-3 and ced-4 are genes likely involved in what cell process?
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In the human skull, which of the following bones does NOT contain a sinus? W) Frontal X) Sphenoid Y) Maxillae Z) Lacrimal
W: W) Frontal
X: X) Sphenoid
Y: Y) Maxillae
Z: Z) Lacrimal
Answer: Z) Z) Lacrimal
What is the fourth term in the series given by \(\sum_{n=0}^\infty \frac{1}{2^n}\)?
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Evaluate \(1^{12} + 2^{12} + 3^{12}.\)
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Which of the following minerals is a crystalline form of silicon dioxide? W) Mica X) Quartz Y) Calcite Z) Feldspar
W: W) Mica
X: X) Quartz
Y: Y) Calcite
Z: Z) Feldspar
Answer: X) X) Quartz
Order the following four color classifications of stars from least to greatest surface temperatures: 1) Yellow; 2) Blue; 3) Red; 4) White.
Choices:
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Which of the following leptons has the largest mass? W) Electron neutrino X) Muon Y) Muon neutrino Z) Tauon
W: W) Electron neutrino
X: X) Muon
Y: Y) Muon neutrino
Z: Z) Tauon
Answer: Z) Z) Tauon
What is the SI derived unit for electrical conductance? W) Henry X) Siemens Y) Weber Z) Tesla
W: W) Henry
X: X) Siemens
Y: Y) Weber
Z: Z) Tesla
Answer: X) X) Siemens
Which of the following is an example of a molecular solid? W) Silicon X) Iodine Y) Diamond Z) Graphite
W: W) Silicon
X: X) Iodine
Y: Y) Diamond
Z: Z) Graphite
Answer: X) X) Iodine
What organic functional group can be found at the N terminus of a protein and consists of a nitrogen atom bonded to one or more carbon atoms?
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Which of the following receptors could NOT be found on the surface of a cell? W) Laminar receptor X) Ion-channel coupled receptor Y) Tyrosine kinase receptor Z) G-protein coupled receptor
W: W) Laminar receptor
X: X) Ion-channel coupled receptor
Y: Y) Tyrosine kinase receptor
Z: Z) G-protein coupled receptor
Answer: W) W) Laminar receptor
What system, widely dispersed in eukaryotes, is sometimes used for a similar immune function as the CRISPR/Cas9 system, and also used for endogenous gene regulation?
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