All practice questions

Read the following summaries of two arguments:

Passage A argues that the transition to standardized coinage was driven primarily by the state's need to efficiently collect taxes across a vast empire, rather than to facilitate local trade.

Passage B posits that the development of bright plumage in certain bird species evolved primarily as a mechanism for long-distance species recognition in dense forests, rather than for attracting mates in close proximity.

Match each element from Passage A's argument with its direct structural counterpart in Passage B's argument.

Passage A
The movement toward Historically Informed Performance (HIP) in classical music rests on a foundational commitment to authenticity: the belief that a composer’s intent is inextricably linked to the physical and sonic realities of their own era. For Baroque repertoire, this necessitates utilizing period instruments—such as the harpsichord, the viola da gamba, and the gut-strung violin—and adhering strictly to contemporaneous performance treatises. When performers substitute the modern, steel-framed grand piano for the harpsichord in a Bach concerto, they commit more than a mere anachronism; they fundamentally distort the contrapuntal clarity and delicate tonal balance that the composer meticulously calibrated for the instruments at hand. The modern piano's thick resonance often muddies the independent melodic lines that a harpsichord renders distinct. The HIP approach posits that the musical score is not an abstract set of pitches adaptable to any medium, but rather a highly specific architectural blueprint. To realize the music’s true structural and emotional architecture, the performer must rigorously recreate the specific physical conditions of its original soundscape. This requires suppressing modern aesthetic impulses—such as continuous heavy vibrato and aggressive dynamic swells—that obscure the intricate, rhetorical details of the historical text.

Passage B
The insistence by some musical purists that early classical repertoire must be played exclusively on period instruments represents a profound misunderstanding of the fundamental nature of musical creation. Music is a dynamic, living language, not a fragile archaeological artifact to be preserved under museum glass. While studying historical performance practices undeniably provides valuable stylistic insights, elevating these historical constraints to the status of absolute mandates fetishizes the tools of the past over the artistic expression itself. It is highly probable that composers like Bach and Beethoven, who were renowned innovators constantly pushing the boundaries of the instruments available to them, would have enthusiastically embraced the modern grand piano for its vastly expanded dynamic range, enhanced sustain, and superior projection. Furthermore, the notion that we can definitively reconstruct a composer’s exact auditory experience is an academic illusion; modern ears are irrevocably conditioned by centuries of subsequent musical development, meaning we can never hear a piece exactly as its first audience did. By clinging rigidly to the acoustic limitations of historical instruments, purists often sacrifice the broader emotional resonance and expressive potential of the composition. The performer's primary, overriding obligation is to communicate the transcendent spiritual and emotional core of the work to a contemporary audience, a communicative task that is often far better served by the robust capabilities of modern instruments.

Based on the texts provided, how would the author of Passage B most likely respond to the claim in Passage A that playing a Bach concerto on a modern grand piano "fundamentally distort[s] the contrapuntal clarity and delicate tonal balance" of the music?

The following arguments each contain a distinctive flaw in reasoning. Match each argument on the left with the abstract description on the right that most accurately identifies its primary logical vulnerability.

Aviation Inspector: Commercial airlines that implemented automated optical scanning systems for wing rivet inspections reported a forty percent decrease in undetected structural stress fractures compared to airlines relying solely on manual tactile inspections. Because these automated optical systems detect surface hairline irregularities far more rapidly than human technicians, mandating automated optical scanning industry-wide will substantially reduce the occurrence of catastrophic in-flight structural failures.

Which of the following, if true, most seriously weakens the aviation inspector's argument?

Bioarchaeologist: Dental calculus preserves microscopic dietary residues, such as starches and phytoliths, allowing researchers to reconstruct the nutritional practices of past human populations. Excavations at the Bronze Age site of Tell el-Aqar revealed dental calculus samples containing microscopic phytoliths from cultivated millet in over 70 percent of adult skeletons dating to 2200 BCE, but in fewer than 5 percent of adult skeletons dating to 2600 BCE. Because carbon isotope analysis of animal bones at the site shows that domesticated livestock were not fed millet during either period, agriculturalists at Tell el-Aqar must have adopted millet cultivation primarily for direct human dietary consumption between 2600 BCE and 2200 BCE.

Which of the following are unstated assumptions on which the bioarchaeologist's argument depends?

Arboriculturist: Urban street trees planted in compacted soil frequently suffer from stunted root growth due to poor soil aeration. A municipal agency recently began inoculating the soil around newly planted street saplings with a specialized mycorrhizal fungus, observing that saplings receiving this treatment developed root systems thirty percent deeper and wider than untreated saplings over a two-year period. The agency concluded that the fungal inoculation successfully enhanced soil aeration around the saplings' roots.

Which one of the following is an assumption on which the municipal agency's argument depends?

Passage A
Critics of courtroom rhetoric often demand a sterile environment, stripped of all emotional resonance, where only syllogisms are presented to the jury. This view fundamentally misunderstands the nature of justice. Humans are not calculating machines. An advocate's deliberate appeal to emotion is not necessarily a distraction from the truth; rather, it is often the very mechanism required to help a jury fully grasp the severity of a wrong or the profound impact of a crime. When grounded firmly in the evidentiary record, emotional persuasion is a vital, legitimate component of comprehensive legal reasoning.

Passage B
The integrity of the judicial process relies entirely on the objective evaluation of facts. While the events leading to a trial are frequently laden with tragedy, the attorney's presentation of those events must remain rigorously analytical. Attempting to elicit an emotional response from a jury is inherently manipulative, as it invites jurors to substitute sympathy or outrage for logical deliberation. To ensure fair outcomes, courts must demand that advocates avoid emotional rhetoric and confine their arguments strictly to the rational application of law to the established facts.

Based on the passages, which of the following statements represents a point of disagreement between the two authors?

The regional groundwater protection board established the following regulatory criteria for industrial operations:

• Every industrial facility operating within the Karst Protection Overlay District that discharges effluent into the primary watershed is required to maintain a tertiary closed-loop filtration system.
• Any industrial facility that maintains a tertiary closed-loop filtration system is exempt from quarterly bioassay soil monitoring.
• No industrial facility subject to mandatory annual hydrologic reporting is exempt from quarterly bioassay soil monitoring.
• Some manufacturing plants operating within the Karst Protection Overlay District are subject to mandatory annual hydrologic reporting.

If all of the statements above are true, which of the following statements must also be true? (Select all that apply.)

Materials Scientist: Conservators restoring a historic limestone facade observed accelerated surface spalling on sections treated with an ethyl silicate consolidant compared to untreated sections. Because ethyl silicate reacts with ambient moisture to deposit silica without chemically degrading the stone's calcite matrix, the consolidant itself cannot be responsible for the deterioration. Therefore, the accelerated spalling must be caused entirely by localized environmental factors, such as wind-driven salt spray.

Statement: The finding that ethyl silicate deposits an impermeable silica layer that traps evaporating groundwater beneath the stone surface during freeze-thaw cycles, if true, weakens the materials scientist's argument.

Passage A
Advocates of libertarian paternalism suggest that governments should implement "nudges"—policies that predictably alter citizen behavior without forbidding any options or significantly changing economic incentives. Because human beings suffer from bounded rationality and cognitive biases, they routinely make decisions that undermine their own long-term welfare, such as failing to save adequately for retirement. Nudges mitigate these failures by structuring choices so that the default option automatically aligns with the individual's best interests. Importantly, because nudges do not coerce or mandate, they preserve the individual's freedom of choice. Therefore, utilizing our understanding of human cognitive biases to architect choices is not merely morally permissible; it is a responsible exercise of state power that enhances citizen well-being without infringing on individual liberty.

Passage B
The current enthusiasm for choice architecture in public policy rests on a flawed conception of freedom. Proponents argue that as long as an individual can technically opt out of a default arrangement, their autonomy remains intact. However, this conflates formal liberty with genuine moral autonomy. By deliberately exploiting the very cognitive biases that lead to irrationality—such as inertia, framing effects, or anchoring—nudges intentionally bypass the citizen's rational deliberative capacities. True respect for autonomy requires governments to engage with citizens as rational agents through transparent argumentation and persuasion, not to manipulate them behind their backs. When the state shapes behavior by circumventing conscious deliberation, it infantilizes the populace and fundamentally disrespects their capacity for self-governance.

Based on the arguments presented, the authors of Passage A and Passage B would be most likely to disagree over the truth of which one of the following statements?

Paleoclimatologist: Analysis of sediment cores from Lake Titicaca reveals that layers corresponding to the mid-Holocene megadrought contain elevated concentrations of windblown titanium dust, which is produced primarily by the abrasive weathering of arid topsoils in the adjacent western altiplano. Because sediment layers deposited immediately prior to the megadrought show no significant increase in titanium dust, the onset of severe arid conditions must have occurred abruptly rather than developing through a gradual, centuries-long desiccation of the landscape.

Which of the following are unstated assumptions required by the paleoclimatologist's argument? Select all that apply.

An environmental economist argues: Some urban planners propose that constructing additional highway lanes is sufficient to eliminate city traffic congestion. However, expanding highway capacity initially reduces travel time, which quickly induces additional commuters to drive rather than use public transit. This latent demand inevitably restores traffic volume to its previous congestion level within a few years. Therefore, building more highway lanes cannot permanently eliminate traffic congestion.

Arrange the following statements in sequential order to reflect the step-by-step logical progression of the economist's argument, starting from the opposing premise and ending with the final conclusion.

Archival preservationists and medieval historians have established the following facts regarding a collection of historical texts:

• Any historical manuscript produced in the scriptorium of Saint Jude was illuminated with genuine lapis lazuli pigment.
• All manuscripts illuminated with genuine lapis lazuli pigment require climate-controlled vault storage to prevent degradation, unless they were sealed with an egg-tempera glaze.
• None of the manuscripts produced in the scriptorium of Saint Jude were sealed with an egg-tempera glaze.
• Several manuscripts currently held in the municipal archive were produced in the scriptorium of Saint Jude.

Which of the following statements must be true on the basis of the information above?

Energy Analyst: A regional manufacturing plant recently replaced its conventional incandescent warehouse lighting with high-efficiency smart LED arrays equipped with automated motion sensors. Following the installation, the facility's total monthly electricity consumption dropped by 18 percent. Therefore, if other manufacturing plants in the region adopt the same smart lighting arrays, they can likewise expect their total facility electricity consumption to decrease by roughly similar margins.

Which of the following, if true, most seriously weakens the energy analyst's argument?

Geological field surveys in the Southern Volcanic Zone established the following facts regarding quaternary sediment samples:

• Every sediment core extracted from the caldera basin contains rhyolitic tephra layers only if it exhibits vesicular pumice clasts.
• Any sediment core that exhibits vesicular pumice clasts contains traces of titanomagnetite.
• If a sediment core contains traces of titanomagnetite, it was deposited during an explosive plinian eruption cycle.
• Sediment Core V-12 is a quaternary sediment core extracted from the caldera basin and contains rhyolitic tephra layers.

Statement: Sediment Core V-12 was deposited during an explosive plinian eruption cycle.

Economic Development Director: To combat a multi-year decline in consumer foot traffic in the historic Riverside shopping district, the city implemented a "Tax-Free Tuesday" initiative six months ago, eliminating local sales tax on all retail purchases made on Tuesdays. Since the initiative began, total retail revenue in the Riverside district during the traditional Monday-through-Friday workweek has surged by 18 percent compared to the prior six months. This surge clearly demonstrates that the tax-free initiative has successfully attracted a substantial number of new shoppers to the district.

Which of the following, if true, most seriously weaken the director's argument? Select all that apply.

Ecologists studying temperate forest canopies observed that any tree species susceptible to fungal blight F produces the defensive chemical clerodane only when colonized by endophyte E. However, every tree species in the studied ecosystem that is colonized by endophyte E also hosts the parasitic gall wasp W. Furthermore, no tree species hosting the parasitic gall wasp W is capable of synthesizing tannins in high concentrations, and any tree species incapable of synthesizing tannins in high concentrations suffers severe defoliation during late-summer droughts.

If the statements above are true, which one of the following must be true of tree species in the studied ecosystem?

Passage A
The central mystery of language acquisition is how quickly young children master the complex syntactic rules of their native tongue. This phenomenon is inexplicable without positing an innate, specialized language acquisition device (LAD). The "poverty of the stimulus" argument demonstrates that the primary linguistic data children receive is far too fragmented and incomplete for them to deduce the abstract structural dependencies governing language. Furthermore, the presence of cross-linguistic universals—structural rules that apply to every known human language—proves that these constraints are biologically hardwired. The rapid generalization of linguistic rules to entirely novel contexts—such as a child correctly conjugating a nonsense verb they have never encountered—cannot be explained by simple imitation. This generative capacity indicates that children are mapping words onto a pre-existing syntactic template. Finally, evidence for language as an autonomous, modular cognitive faculty comes from specific language impairment (SLI), a condition wherein individuals exhibit profound syntactic deficits despite possessing otherwise normal general intelligence.

Passage B
The formalist insistence on an innate, modular grammatical faculty rests on a severe underestimation of both the richness of linguistic input and the power of human learning mechanisms. Usage-based models illustrate that language emerges from domain-general cognitive processes—such as statistical pattern recognition, analogical reasoning, and joint attention—interacting with dense environmental data. When child-directed speech is subjected to rigorous corpus analysis, the supposed "poverty of the stimulus" vanishes; the input is replete with probabilistic cues that sophisticated learning algorithms can leverage to extract rule-like behaviors. Furthermore, regarding the supposedly biological nature of cross-linguistic universals, emergentists demonstrate that these structural commonalities are inevitable consequences of shared human perceptual constraints and the practical demands of efficient social communication, representing a form of convergent evolution rather than a genetic endowment. Similarly, what formalists interpret as the application of innate, abstract rules to novel words is more accurately modeled as domain-general pattern matching based on phonological similarity to existing lexical chunks. Finally, purported evidence of a strictly modular language faculty, such as the existence of specific language impairment, has been widely misinterpreted. Rather than indicating a localized grammatical defect, closer neurological examination reveals that these impairments correlate strongly with subtle, non-linguistic processing bottlenecks, such as deficits in general auditory processing speed or working memory capacity.

Analyze the conflicting viewpoints presented in the texts above. For each specific evidentiary claim advanced by Author A (Left), select the corresponding theoretical mechanism that Author B relies upon to refute or reinterpret it (Right).

Paleoclimatologist: Stalagmites from the Kavir Cave system exhibit a sharp twenty percent decrease in oxygen-18 isotope ratios approximately 4,200 years ago, a geochemical pattern commonly associated with intensified monsoonal rainfall. Because archaeological surveys show that agrarian settlements in the adjacent valley were abruptly deserted during this precise fifty-year window, catastrophic regional flooding from torrential rains must have driven the inhabitants to abandon their communities.

Statement: The argument's conclusion is significantly undermined if the oxygen-18 ratio in regional cave dripwaters is primarily determined by atmospheric moisture source trajectories rather than the volume of local precipitation.

Under international competition guidelines, any technology manufacturer that licenses a standard-essential patent (SEP) on fair, reasonable, and non-discriminatory (FRAND) terms must submit to binding dispute arbitration if royalty negotiations with an implementer reach an impasse. A technology manufacturer is legally permitted to seek an injunctive sales ban against a competitor only if that competitor has formally refused to participate in good-faith royalty negotiations. Furthermore, no technology manufacturer that is required to submit to binding dispute arbitration is legally permitted to seek an injunctive sales ban against any competitor that has agreed to abide by the arbitrator's royalty determination. VeloCom is a telecommunications manufacturer that licenses its standard-essential data compression patent on FRAND terms, and its royalty negotiations with Novis have reached an impasse. Novis has formally agreed to abide by any royalty determination made by an official arbitration panel.

If the statements above are true, which one of the following must be true on the basis of them?