HS Sample Set 8, Round 5 from NSB
What fundamental constant is obtained when a photon’s wavelength is multiplied by its frequency? W) The speed of light X) Planck’s constant Y) Avogadro’s number Z) Boltzmann’s constant
W: W) The speed of light
X: X) Planck’s constant
Y: Y) Avogadro’s number
Z: Z) Boltzmann’s constant
Answer: W) W) The speed of light
Rank the following ions in terms of their ionic radii, from smallest to largest:
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What theorem guarantees the existence of at least one complex root for any non-constant single-variable polynomial with real coefficients? W) Fundamental Theorem of Arithmetic X) Fundamental Theorem of Polynomials Y) Zero-Factor Theorem Z) Fundamental Theorem of Algebra
W: W) Fundamental Theorem of Arithmetic
X: X) Fundamental Theorem of Polynomials
Y: Y) Zero-Factor Theorem
Z: Z) Fundamental Theorem of Algebra
Answer: Z) Z) Fundamental Theorem of Algebra
Consider a bag of five marbles, 3 red and 2 white. You draw marbles from the bag until you draw the last white marble, at which point you stop. What is the probability you stop drawing after the 2nd marble?
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Identify all of the following phenomena that could be observed in a radio wave: 1) diffraction; 2) interference; 3) deflection in an electric field.
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From least to greatest, order the following kinetic energies for a wheel on a skidding car if the wheel continues to rotate: 1) Translational kinetic energy; 2) Rotational kinetic energy; 3) Total kinetic energy.
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Correct Order:
Conditions for tornadoes are favorable in which of the following mountain ranges? W) Atlas X) Appalachians Y) Alps Z) Andes
W: W) Atlas
X: X) Appalachians
Y: Y) Alps
Z: Z) Andes
Answer: X) X) Appalachians
Identify both the general habitat and type of organisms represented by the oldest fossils of the Paleozoic Era.
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What is the major product of the Hall‐Héroult Process?
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Which of the following is the best example of determinate error? W) Random error X) Measurement error Y) Systematic error Z) Sampling error
W: W) Random error
X: X) Measurement error
Y: Y) Systematic error
Z: Z) Sampling error
Answer: Y) Y) Systematic error
In the human digestive system, nutrient absorption predominantly occurs in which of the following? W) Duodenum and jejunum X) Stomach and duodenum Y) Jejunum and ileum Z) Ileum and cecum
W: W) Duodenum and jejunum
X: X) Stomach and duodenum
Y: Y) Jejunum and ileum
Z: Z) Ileum and cecum
Answer: W) W) Duodenum and jejunum
If a cell has 8 chromosomes during mitotic prophase, how many chromosomes will it have during metaphase and anaphase? W) 16 in metaphase, 8 in anaphase X) 8 in metaphase, 8 in anaphase Y) 8 in metaphase, 4 in anaphase Z) 4 in metaphase, 8 in anaphase
W: W) 16 in metaphase, 8 in anaphase
X: X) 8 in metaphase, 8 in anaphase
Y: Y) 8 in metaphase, 4 in anaphase
Z: Z) 4 in metaphase, 8 in anaphase
Answer: X) X) 8 in metaphase, 8 in anaphase
In comparison to a gallon of gasoline, how much energy is contained in a gallon of ethanol? W) 70% X) 90% Y) 110% Z) 120%
W: W) 70%
X: X) 90%
Y: Y) 110%
Z: Z) 120%
Answer: W) W) 70%
What is the secondary voltage, in volts, in a transformer with a primary current of 50 amps, a secondary current of 100 amps, and a 110 volt primary voltage?
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The 40-inch telescope at Yerkes Observatory is the largest in the world of what class of telescope?
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3.6 billion years ago cyanobacteria caused the precipitation of calcium carbonate into structures of thin sheets of limestone. What is the name of these limestone sheets? W) Stalactites X) Stalagmites Y) Stromatolites Z) Trilobites
W: W) Stalactites
X: X) Stalagmites
Y: Y) Stromatolites
Z: Z) Trilobites
Answer: Y) Y) Stromatolites
While sitting in his car at a train crossing, a driver decided to time how long it took for a 1-mile long train to pass him directly. If it took exactly 75 seconds for the train to pass, at how many miles per hour was the train traveling?
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A fair coin is flipped 4 times. Which of the following events is least likely to occur? W) Exactly 2 heads occur X) At least 3 heads occur Y) No two consecutive flips are the same Z) The second and third flips are the same
W: W) Exactly 2 heads occur
X: X) At least 3 heads occur
Y: Y) No two consecutive flips are the same
Z: Z) The second and third flips are the same
Answer: Y) Y) No two consecutive flips are the same
Which of the following terms is used to describe the movement of leaves and flowers toward the sun? W) Thigmomorphogenesis X) Heliotropism Y) Nastic movements Z) Siesmonastic movements
W: W) Thigmomorphogenesis
X: X) Heliotropism
Y: Y) Nastic movements
Z: Z) Siesmonastic movements
Answer: X) X) Heliotropism
Which of the following plants belong to the phylum Pterophyta? W) Ferns and palm trees X) Bryophytes and horsetails Y) Horsetails and ferns Z) Palm trees and ginkgo
W: W) Ferns and palm trees
X: X) Bryophytes and horsetails
Y: Y) Horsetails and ferns
Z: Z) Palm trees and ginkgo
Answer: Y) Y) Horsetails and ferns
What halogen has the greatest effect on a given molecule’s lipophilicity?
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What general group of laboratory techniques is used to separate mixtures and has varieties such as thin‐layer, affinity, and ion exchange?
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What is the SI unit of radioactivity that is equivalent to 1 inverse second and is defined as the activity of a quantity of radioactive material in which one nucleus decays every second?
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How much work must be done, in joules, on a 15 kilogram mass in order to increase its speed from 7.5 m/s to 11.5 m/s? W) 120 X) 450 Y) 570 Z) 1100
W: W) 120
X: X) 450
Y: Y) 570
Z: Z) 1100
Answer: Y) Y) 570
A long narrow bay with an irregular outline, such as Chesapeake Bay, was formed by W) Wave action X) Stream erosion and later submersion Y) Glacier erosion and later submersion Z) Faulting
W: W) Wave action
X: X) Stream erosion and later submersion
Y: Y) Glacier erosion and later submersion
Z: Z) Faulting
Answer: X) X) Stream erosion and later submersion
What two minerals contribute to the Earth’s magnetic field? W) Iron oxides and magnetite X) Calcium chloride and magnetite Y) Iron oxides and calcium chloride Z) Magnetite and calcium chloride
W: W) Iron oxides and magnetite
X: X) Calcium chloride and magnetite
Y: Y) Iron oxides and calcium chloride
Z: Z) Magnetite and calcium chloride
Answer: W) W) Iron oxides and magnetite
Which of the following animals possess two circuits of blood flow, the pulmocutaneous and systemic? W) Salamanders X) Snakes Y) Lizards Z) Birds
W: W) Salamanders
X: X) Snakes
Y: Y) Lizards
Z: Z) Birds
Answer: W) W) Salamanders
Photosynthesis requires water as a reactant. In which of the following product molecules do the oxygen atoms from the water end up? W) O₂ X) H₂O Y) C₆H₁₂O₆ Z) ATP
W: W) O₂
X: X) H₂O
Y: Y) C₆H₁₂O₆
Z: Z) ATP
Answer: W) W) O₂
Two electrons are located within the same orbital of the same atom. In order to satisfy the Pauli Exclusion Principle, what must the spin magnetic quantum numbers of these two electrons be?
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3.0 moles of propane are combusted in oxygen. Providing your answer to two significant digits, how many moles of carbon dioxide are formed?
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As the battery capacity decreases how does the rate of discharge change? W) Increases X) Decreases Y) Stays the same Z) Depends on brand
W: W) Increases
X: X) Decreases
Y: Y) Stays the same
Z: Z) Depends on brand
Answer: W) W) Increases
What process in plant cells is primarily responsible for storing energy from ATP and NADPH by synthesizing sugars?
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Differentiate $$f(x)=e^{\cos(x)}$$ with respect to $x$.
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The average of $x$ and $y$ is 5. The average of $x$ and $z$ is 4. Find $y$ in terms of $z$.
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All codon combinations specify a particular amino acid, with the EXCEPTION of which of the following? W) Nonsense codons X) Missense codons Y) Promoters Z) Silent codons
W: W) Nonsense codons
X: X) Missense codons
Y: Y) Promoters
Z: Z) Silent codons
Answer: W) W) Nonsense codons
What type of perennials die back each year and survive as tubers until the next growing season?
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Indicate, by number, all of the following particles that are considered force‐carrying particles by the Standard Model: 1) photon; 2) gluon; 3) graviton.
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Identify all of the following particles that can be found in isolation: 1) up quark; 2) electron; 3) neutrino; 4) proton.
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Which of the following is a term used to describe the ability to trim electricity usage at specific times of the day? W) Demand Response X) Energy Efficiency Y) Peak Load Z) Solar Inverter
W: W) Demand Response
X: X) Energy Efficiency
Y: Y) Peak Load
Z: Z) Solar Inverter
Answer: W) W) Demand Response
Which of the following materials would most likely be used for a radiant heat barrier? W) Asphalt X) Glass Y) Cement Z) Aluminum
W: W) Asphalt
X: X) Glass
Y: Y) Cement
Z: Z) Aluminum
Answer: Z) Z) Aluminum
Simplify the following expression: $$i^{33}$$.
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What is the product of the mean, median, and mode of the following set of data: {1, 1, 2, 3, 5, 8, 13}? W) 9 X) 33/7 Y) 99/7 Z) 33
W: W) 9
X: X) 33/7
Y: Y) 99/7
Z: Z) 33
Answer: Y) Y) 99/7
Identify the statement that does NOT describe a prostaglandin lipid function. W) Prostaglandins are involved in the inflammatory response process X) Prostaglandins play a role in blood clot formation but not clot reduction Y) Prostaglandins can induce labor contractions Z) Prostaglandins can help to increase kidney blood flow
W: W) Prostaglandins are involved in the inflammatory response process
X: X) Prostaglandins play a role in blood clot formation but not clot reduction
Y: Y) Prostaglandins can induce labor contractions
Z: Z) Prostaglandins can help to increase kidney blood flow
Answer: X) X) Prostaglandins play a role in blood clot formation but not clot reduction
What is the VSEPR shape of the xenon tetrafluoride molecule?
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Which of the following is NOT a major site of lymphoid tissue? W) Thymus gland X) Spleen Y) Tonsils Z) Kidney
W: W) Thymus gland
X: X) Spleen
Y: Y) Tonsils
Z: Z) Kidney
Answer: Z) Z) Kidney
Which of the following hormones causes plants to grow toward light? W) Cytokinin X) Auxin Y) Gibberellin Z) Abscisic
W: W) Cytokinin
X: X) Auxin
Y: Y) Gibberellin
Z: Z) Abscisic
Answer: X) X) Auxin