HS Sample Set 3, Round 6 from NSB
What is the resulting electrical potential, in volts, when a charge of 12 coulombs is applied to a 1 farad capacitor?
Acceptable Answers:
Which of the following is NOT true: W) the magnetic field associated with the current on a straight long wire is inversely proportional to the distance from the wire X) Kirchhoff’s first rule has to do with the accounting of total charges entering and leaving a junction per unit time Y) superconducting quantum interference devices, or SQUID’s, are based on the Josephson Effect Z) resistance and voltage are the two most common parameters used to characterize a resistor
W: W) the magnetic field associated with the current on a straight long wire is inversely proportional to the distance from the wire
X: X) Kirchhoff’s first rule has to do with the accounting of total charges entering and leaving a junction per unit time
Y: Y) superconducting quantum interference devices, or SQUID’s, are based on the Josephson Effect
Z: Z) resistance and voltage are the two most common parameters used to characterize a resistor
Answer: Z) Z) resistance and voltage are the two most common parameters used to characterize a resistor
Which of the following is NOT a colligative property: W) vapor pressure lowering X) osmotic pressure Y) boiling point elevation Z) color of solution
W: W) vapor pressure lowering
X: X) osmotic pressure
Y: Y) boiling point elevation
Z: Z) color of solution
Answer: Z) Z) color of solution
Which of the following is a type of colloid that is classified as a sol at room temperature: W) gelatin X) milk Y) whipped cream Z) marshmallow
W: W) gelatin
X: X) milk
Y: Y) whipped cream
Z: Z) marshmallow
Answer: W) W) gelatin
Which of the following tissues is MOST directly responsible for the increased diameter of a tree trunk from year to year: W) apical meristem X) pericycle Y) vascular cambium Z) pith
W: W) apical meristem
X: X) pericycle
Y: Y) vascular cambium
Z: Z) pith
Answer: Y) Y) vascular cambium
Name all of the following three metabolic processes which directly require oxygen: 1) glycolysis; 2) alcohol fermentation; 3) electron transport system.
Choices:
Correct Answers:
Convert \(\log_{4}(53)\) into a base-10 expression.
Acceptable Answers:
Consider a 6-sided irregular polygon whose perimeter is 100 cm. If 4 of the sides have a length of 7 cm each, what is the length, in centimeters, of each of the remaining two sides if they are congruent?
Acceptable Answers:
Which of the following is a man-made coastal structure that causes coastal erosion by blocking oceanic longshore drift: W) jetty X) barrier island Y) atoll Z) fringing reef
W: W) jetty
X: X) barrier island
Y: Y) atoll
Z: Z) fringing reef
Answer: W) W) jetty
Used as a way to categorize rivers and streams, what is the term for the volume of water flowing through the cross-section of a channel over a given period of time?
Acceptable Answers:
Case hardening is a process through which: W) the surface of a metal is hardened X) the metal is hardened completely through Y) the hardness of a metal is determined Z) metals are shaped or formed
W: W) the surface of a metal is hardened
X: X) the metal is hardened completely through
Y: Y) the hardness of a metal is determined
Z: Z) metals are shaped or formed
Answer: W) W) the surface of a metal is hardened
The oil used with an oil-immersion objective in compound light microscopes takes advantage of what optical phenomenon to improve magnification: W) chromatic coherence X) index of refraction Y) polarization Z) dispersion
W: W) chromatic coherence
X: X) index of refraction
Y: Y) polarization
Z: Z) dispersion
Answer: X) X) index of refraction
Which of the following is NOT true: W) the rotation of the Sun’s surface is faster at the equator than at the poles X) the apparent magnitude of an RR Lyrae depends most on its distance from the Earth Y) Venus appears its largest to nighttime observers when it is in its full phase Z) a star’s light curve typically plots brightness versus time
W: W) the rotation of the Sun’s surface is faster at the equator than at the poles
X: X) the apparent magnitude of an RR Lyrae depends most on its distance from the Earth
Y: Y) Venus appears its largest to nighttime observers when it is in its full phase
Z: Z) a star’s light curve typically plots brightness versus time
Answer: Y) Y) Venus appears its largest to nighttime observers when it is in its full phase
Which of the following techniques would you most directly be using if you were analyzing a Balmer and Lyman series: W) astrolabe measurements X) spectroscopy Y) nuclear fission Z) bolometric analysis
W: W) astrolabe measurements
X: X) spectroscopy
Y: Y) nuclear fission
Z: Z) bolometric analysis
Answer: X) X) spectroscopy
Which of the following is the strongest spectral line in the visible region of the hydrogen spectrum: W) red Balmer line X) orange Lyman line Y) green Paschen line Z) blue Brackett line
W: W) red Balmer line
X: X) orange Lyman line
Y: Y) green Paschen line
Z: Z) blue Brackett line
Answer: W) W) red Balmer line
Which of the following has the highest vapor pressure at standard temperature and pressure: W) mercury X) ethyl alcohol Y) methyl alcohol Z) acetone
W: W) mercury
X: X) ethyl alcohol
Y: Y) methyl alcohol
Z: Z) acetone
Answer: Z) Z) acetone
According to the Arrhenius theory, an Arrhenius acid is any substance that does which of the following in a chemical reaction: W) donates a pair of electrons X) accepts a pair of electrons Y) produces H⁺ ions in aqueous solution Z) produces OH⁻ ions in aqueous solution
W: W) donates a pair of electrons
X: X) accepts a pair of electrons
Y: Y) produces H⁺ ions in aqueous solution
Z: Z) produces OH⁻ ions in aqueous solution
Answer: Y) Y) produces H⁺ ions in aqueous solution
If you were to evaporate 1 liter or kilogram of water, how many calories of latent heat are stored in the vapor?
Acceptable Answers:
During meiosis, how many chromatids are in a chromosomal tetrad?
Acceptable Answers:
Which of the following is NOT true of nucleated mammalian cells: W) mast cells contain large amounts of histamine X) the Golgi apparatus processes proteins for exocytosis Y) microtubules are components in cilia Z) all the DNA in a nucleated cell is in the nucleus
W: W) mast cells contain large amounts of histamine
X: X) the Golgi apparatus processes proteins for exocytosis
Y: Y) microtubules are components in cilia
Z: Z) all the DNA in a nucleated cell is in the nucleus
Answer: Z) Z) all the DNA in a nucleated cell is in the nucleus
Solve the following equation for \(x\): \[ x^2 - 20x + 19 = 0. \]
Acceptable Answers:
Express the following radical in its simplest radical form: \(2\sqrt[4]{80a^2b^3c}\)
Acceptable Answers:
Which of the following is NOT true about Earth’s history: W) the Ordovician Period predates the Silurian Period X) we currently live in the Cenozoic Era Y) we currently live in the Pleistocene Epoch Z) the Holocene Epoch began about 10 000 years ago
W: W) the Ordovician Period predates the Silurian Period
X: X) we currently live in the Cenozoic Era
Y: Y) we currently live in the Pleistocene Epoch
Z: Z) the Holocene Epoch began about 10 000 years ago
Answer: Y) Y) we currently live in the Pleistocene Epoch
Which of the following is the global wind system that most influences weather in the U.S.: W) prevailing westerlies X) tropical easterlies Y) trade winds Z) polar easterlies
W: W) prevailing westerlies
X: X) tropical easterlies
Y: Y) trade winds
Z: Z) polar easterlies
Answer: W) W) prevailing westerlies
One metric ton equals how many grams?
Acceptable Answers:
Gout in humans is the result of the precipitation of what substance in joints?
Acceptable Answers:
With reference to the Sun’s position in the sky, when does a full Moon set?
Acceptable Answers:
In a Newtonian telescope, how many degrees is the secondary mirror tilted in reference to the primary?
Acceptable Answers:
If 1000 pounds is applied to a spring with spring constant of 100 pounds per inch on top of a hydraulic piston, how many pounds of force is transferred to the piston: W) 1,000 X) 900 Y) 100 Z) zero
W: W) 1,000
X: X) 900
Y: Y) 100
Z: Z) zero
Answer: W) W) 1,000
If the atomic mass of carbon-12 is exactly 12 amu, why is the atomic mass of carbon not exactly 12 when listed on the Periodic Table: W) the mass deficit X) neutrons are not the same mass as protons Y) it adds the mass of the electrons Z) the presence in nature of about 1.1% carbon-13
W: W) the mass deficit
X: X) neutrons are not the same mass as protons
Y: Y) it adds the mass of the electrons
Z: Z) the presence in nature of about 1.1% carbon-13
Answer: Z) Z) the presence in nature of about 1.1% carbon-13
How many carbon and hydrogen atoms are in a cyclopentane molecule?
Acceptable Answers:
What is the systematic IUPAC name for the following acid: HClO?
Acceptable Answers:
What specific part of any member of the Anthophyta produces pollen?
Acceptable Answers:
Which one of the following four plant groups is phenotypically and phylogenetically least related to the others: ferns; liverworts; hornworts; mosses?
Acceptable Answers:
Subtract the following complex numbers, giving your answer in standard form: \[ (11 - 4i) - (-3 + 3i). \]
Acceptable Answers:
Solve the following inequality for \(x\), giving your answer in fractional form: \(\tfrac{2}{6}x + \tfrac{5}{3} < x - \tfrac{1}{3}.\)
Acceptable Answers:
The time interval between the generation of P and S waves to their arrival at a seismometer is BEST translated as: W) the magnitude of the earthquake X) the distance to the epicenter Y) the wave height of a potential tsunami Z) the distance to the nearest fault zone
W: W) the magnitude of the earthquake
X: X) the distance to the epicenter
Y: Y) the wave height of a potential tsunami
Z: Z) the distance to the nearest fault zone
Answer: X) X) the distance to the epicenter
Which of the following is NOT true: W) sea levels dropped during the Pleistocene glaciation making the Bering Strait a land bridge X) large animals such as the mastodon and dire wolves became extinct at the end of the Pleistocene Y) the Holocene may be an interglacial stage Z) recent ice ages are thought to be controlled by uniformitarian cycles
W: W) sea levels dropped during the Pleistocene glaciation making the Bering Strait a land bridge
X: X) large animals such as the mastodon and dire wolves became extinct at the end of the Pleistocene
Y: Y) the Holocene may be an interglacial stage
Z: Z) recent ice ages are thought to be controlled by uniformitarian cycles
Answer: Z) Z) recent ice ages are thought to be controlled by uniformitarian cycles
What substance made of several fibrous materials was widely used in the 20th century for its heat-resistant properties but is now banned because it can cause lung cancer when inhaled?
Acceptable Answers:
What is the medical term for the type of lung cancer specifically associated with asbestosis?
Acceptable Answers:
What planet is never more than 28° from the Sun in the evening sky?
Acceptable Answers:
At 8:00 AM in early August of 2006 in New York, the Moon could be seen low in the western sky. What phase was it most likely in: W) waxing crescent X) just past new Y) a few days past full Z) first quarter
W: W) waxing crescent
X: X) just past new
Y: Y) a few days past full
Z: Z) first quarter
Answer: Y) Y) a few days past full
How many nodes are there in the first overtone in a standing wave of a vibrating guitar string?
Acceptable Answers:
If \(g = 9.8\ \mathrm{m/s^2}\), how many newtons of force are required to keep a 500 kg slab of granite moving across a horizontal surface at constant speed if there is a kinetic friction coefficient of 0.10 between the surface and the slab?
Acceptable Answers:
Organic compounds that contain double bonds are said to be: W) saturated X) unsaturated Y) unable to undergo cis-trans isomerization Z) unable to undergo addition reactions
W: W) saturated
X: X) unsaturated
Y: Y) unable to undergo cis-trans isomerization
Z: Z) unable to undergo addition reactions
Answer: X) X) unsaturated
Arrange the following four elements in order of increasing atomic radii: lithium; oxygen; potassium; sodium.
Choices:
Correct Order:
Which one of the following four animal groups is LEAST closely related to the others: brachiopods; gastropods; cephalopods; bivalves?
Acceptable Answers:
From the outside to the inside, name the three embryonic germ layers in mammals:
Choices:
Correct Order:
Which of the following is NOT true: W) actinides are characterized by occupying the f-block of the periodic table X) lanthanides are characterized by occupying the d-block of the periodic table Y) alkali metals are the most reactive of all metallic elements Z) actinides are metals
W: W) actinides are characterized by occupying the f-block of the periodic table
X: X) lanthanides are characterized by occupying the d-block of the periodic table
Y: Y) alkali metals are the most reactive of all metallic elements
Z: Z) actinides are metals
Answer: X) X) lanthanides are characterized by occupying the d-block of the periodic table
In standard chemical nomenclature, what is the complete electron configuration for the sodium ion, Na⁺?
Acceptable Answers: