Tüm alıştırma soruları

Botanical surveys of the lower river valley reveal several consistent patterns. All native shrubs in the valley require alkaline soil to thrive. Furthermore, most of these native shrubs bloom in late spring. Finally, none of the plants that bloom in late spring are frost-resistant. Which one of the following conclusions must logically follow from the survey results described above?

Although classical models of plant competition in arid ecosystems posited that deep-rooted woody perennials simply monopolize subterranean water tables at the expense of shallow-rooted herbaceous species, recent ecological investigations suggest a more complex dynamic known as hydraulic redistribution. Under this framework, taproots draw water from deep, saturated soil layers during the night and passively release a fraction into dry, shallow upper soils where water potential is lower. To establish that this nocturnal moisture transfer genuinely benefits adjacent flora rather than merely dissipating into the surrounding soil matrix, researchers measured the ratio of stable hydrogen isotopes in the sap of nearby shallow-rooted annual grasses. The detection of distinct deep-stratum isotopic signatures within the annuals' xylem sap demonstrated that companion species actively absorb the redistributed moisture, thereby challenging the long-standing assumption that root co-occurrence in desert biomes is invariably zero-sum.

Which of the following most accurately describes the primary function of the author's reference to the "ratio of stable hydrogen isotopes in the sap of nearby shallow-rooted annual grasses"?

During initial clinical trials of the novel medication Xylofen, every participant possessing the genetic mutation K-22 experienced a complete cessation of migraine symptoms within $24$ hours of administration. Participants lacking the K-22 mutation exhibited highly variable responses in the clinical trials, with some experiencing complete cessation and others reporting no effect. The K-22 mutation is present in precisely $30\%$ of the general population who suffer from migraines. When Xylofen was approved and introduced into general medical practice, physicians prescribed it to migraine sufferers without testing for the K-22 mutation, resulting in the drug being distributed to patients with and without the mutation in exact proportion to their representation in the migraine-suffering population. Nevertheless, data from the first year of general practice showed that only $10\%$ of all patients prescribed Xylofen experienced a complete cessation of symptoms within $24$ hours.

Which of the following is most strongly supported by the information above?

Passage:
In late nineteenth-century linguistics, the Neogrammarian school famously posited that sound change operates according to exceptionless physical laws, asserting that any apparent phonetic inconsistency in language evolution must be attributable either to dialect borrowing or to an undiscovered phonetic condition. Skeptics initially challenged this axiom by citing persistent anomalies in the Germanic consonant shift known as Grimm's Law, wherein certain Proto-Indo-European voiceless stops unexpectedly yielded voiced rather than voiceless fricatives in Germanic daughter languages. This dispute was largely resolved when Karl Verner demonstrated that these anomalous voicings occurred strictly when the ancestral pitch accent did not immediately precede the consonant in question. By showing that the anomaly was governed by a rigorous suprasegmental rule, Verner transformed what had seemed a fundamental counterexample into compelling corroboration of phonetic regularity.

Which of the following most accurately describes the primary function of the author's reference to the 'ancestral pitch accent'?

Archaeologists recently unearthed a set of highly standardized basalt weights in the ruins of Kaelen, an inland settlement dating to roughly 1800 BCE. These weights are virtually identical in mass and geometric shape to the standard merchant weights used during the same era in the distant coastal metropolis of Tylos. Historians have long maintained that the treacherous mountain range separating the two regions prevented any direct contact before 1200 BCE. Nonetheless, based on the discovery of these matched weights, Dr. Aris concludes that Kaelen and Tylos must have established a direct trade network with one another by 1800 BCE.

Which of the following, if true, most seriously weakens Dr. Aris's argument?

Match each argument excerpt to the accurate description of its logical structure or flaw.

Vance: The recent discovery of elaborately forged copper tools at the Kaelen site indicates that the ancient Kaelen society was governed by a highly centralized authority. Only a powerful central government could have organized the vast, complex trade networks required to transport copper ore from the distant northern mountains to the settlement.

Aris: The copper tools certainly prove that the Kaelen people engaged in long-distance trade. But we should not assume this required centralized leadership; historical evidence shows that loosely affiliated, decentralized nomadic clans frequently sustained equally complex, continent-spanning trade networks through informal barter systems.

The dialogue provides the most support for the claim that Vance and Aris disagree over whether

Scientific realists posit that successive scientific theories progressively approach objective truth, a narrative significantly challenged by Kuhn’s thesis of methodological incommensurability. If competing paradigms, such as Ptolemaic and Copernican astronomy, deploy fundamentally divergent observational vocabularies and standards for legitimate scientific inquiry, they cannot be arbitrated by a neutral, theory-independent metric. Consequently, Kuhn argues that paradigm shifts represent abrupt gestalt switches rather than cumulative knowledge acquisition. Yet, later epistemic structuralists argue that this view conflates ontological rupture with mathematical discontinuity. They propose that while the entities posited by superseded paradigms may be discarded, the core relational structures captured by their mathematical equations are often retained and subsumed as limiting cases within subsequent frameworks. Thus, a constrained form of scientific accumulation survives, even if the metaphysical commitments of the theories do not.

Based on the passage, which of the following inferences regarding the evolution of scientific theories are logically supported? (Select all that apply.)

Read the following passage concerning the debate over soft-tissue preservation in Mesozoic paleontology:

For decades, taphonomic orthodoxy maintained that organic biomacromolecules could not survive fossilization beyond roughly one hundred thousand years. However, when Mary Schweitzer and colleagues reported flexible microvascular structures and peptide fragments resembling collagen in a 68-million-year-old Tyrannosaurus rex cortical bone, the finding was initially dismissed by skeptics as modern laboratory contamination. A subsequent counter-hypothesis advanced by Thomas Kaye proposed that these apparent microstructures were not endogenous dinosaur proteins, but rather recent bacterial biofilms that had infiltrated porous sub-fossil cavities, mimicking cell morphologies. To rebut the biofilm interpretation, researchers demonstrated that the structures reacted specifically to vertebrate-specific antibodies and contained cross-linked iron nanoparticles, which act as stabilizing free-radical scavengers that arrest post-mortem enzymatic decay. While some paleontologists still urge caution regarding the exact fidelity of the preserved sequences, the iron-mediated preservation mechanism provided a plausible biochemical rationale that fundamentally altered our understanding of deep-time organic taphonomy.

Match each cited detail from the passage to its primary rhetorical function in the author's discussion.

Read the following passage excerpt concerning the development of English equitable jurisdiction:

"In the fifteenth-century English legal system, the rigid pleading requirements of the common law courts frequently precluded adequate remedies for complex disputes, prompting litigants to petition the King's Chancellor for relief based on 'equity and good conscience.' As these interventions coalesced into the institutional Court of Chancery, the tribunal's most consequential innovation became the enforcement of the 'use'—a juridical arrangement where land was conveyed to a nominal owner (the feoffee to uses) strictly for the benefit of another (the cestui que use). Because common law jurisprudence recognized exclusively the feoffee’s legal title and proved blind to the beneficiary’s equitable interest, feoffees could theoretically misappropriate the land with impunity. The Chancellor, however, intervened in personam to compel the feoffee to honor the beneficiary's interest. Crucially, because feudal incidents such as wardship and relief—lucrative taxation mechanisms for the Crown—attached exclusively to legal title rather than equitable interest, the Chancellor's enforcement of the use inadvertently provided a mechanism for widespread tax evasion, fundamentally threatening royal revenues and provoking a jurisdictional crisis."

Statement: The author's reference to "feudal incidents such as wardship and relief" serves primarily to articulate the economic mechanism by which a juridical innovation inadvertently precipitated a broader institutional conflict.

Evaluate the following short arguments, each of which commits a logical fallacy related to composition or division. Connect each specific argument to the precise theoretical description that best captures its flawed reasoning.

Archaeologist: Excavations at the ancient settlement of Veridia have uncovered hundreds of specialized obsidian tools. Obsidian does not occur naturally anywhere near Veridia. The nearest known geological source of obsidian from that era is the Khalen mountain range, located over 500 miles away. Interestingly, other settlements surrounding Veridia from the same time period show absolutely no evidence of obsidian use. Clearly, the inhabitants of Veridia must have established a direct, exclusive trade route with the people living in the Khalen mountains.

Consider the following statement: Nomadic hunter-gatherer groups frequently traveled between the Khalen mountains and the Veridian region, bartering raw materials for food with isolated settlements along their migration paths.

The provided statement, if true, actively weakens the archaeologist's argument.

Read the following dialogue.

Mayor: Offering tax incentives to attract remote workers will revitalize our local economy. These professionals spend a significant portion of their income on local dining and entertainment, which directly supports small businesses that are currently struggling.

Economist: While it is true that remote workers spend money locally, the proposed tax incentives would severely deplete the city's budget for public services. Because well-maintained public services are the primary factor that sustains a healthy local economy, implementing these incentives will actually hinder our economic revitalization.

Statement: Based on the dialogue, the Mayor and the Economist disagree over whether remote workers spend a significant portion of their income at local businesses.

Passage:
In the 1820s, artisans at the royal Gobelins tapestry manufactory in Paris repeatedly lodged complaints regarding the quality of incoming black dye shipments, claiming the pigments exhibited premature fading and noticeable chromatic instability. When chemist Michel Eugène Chevreul was appointed to investigate these alleged chemical deficiencies, he observed that isolated skeins of the black wool met rigorous standards of purity and colorfastness. However, when the exact same black yarn was woven in tight juxtaposition with deep red threads, observers perceived the black as distinctly greenish. Chevreul determined that the human retina, when stimulated by a given color, simultaneously projects an image of that color's complementary hue onto contiguous areas. The weavers' dissatisfaction, he concluded, arose not from flawed dye formulations, but from an unappreciated optical interaction that altered the perceived chromatic value of adjacent fibers.

In the context of the passage, the author's reference to black wool appearing greenish when woven beside red yarn serves primarily to

To achieve "Tier 1" security certification, a data center must implement strict biometric access controls. Furthermore, if a Tier 1 certified data center handles financial data, it is also required to implement air-gapped backup servers. Industry analyses demonstrate that any data center implementing air-gapped backup servers incurs overall maintenance costs that are at least 30 percent higher than the industry average. Zenith Corporation mandates that all of its external cloud service providers hold Tier 1 security certification. Nimbus Data Systems and Cygnus Solutions are currently contracted as external cloud service providers for Zenith. Cygnus Solutions' contract involves the processing of financial data, while Nimbus Data Systems maintains overall maintenance costs that are exactly equal to the industry average.

Based on the information provided, which of the following statements are most strongly supported? (Select all that apply)

Urban planners conducting a decade-long evaluation of civic transit initiatives found that every city with a fully subsidized public rail system experienced a notable decline in average commute times over the last ten years. Furthermore, the evaluation documented that all cities experiencing a notable decline in average commute times also reported a significant increase in local retail growth.

Based on the information provided, is the following statement strongly supported?

'Any city that reported a significant increase in local retail growth over the last ten years must have a fully subsidized public rail system.'

Nutritionist: The new dietary guideline recommends that people should focus on eating only 'natural' foods. But this is a ridiculous recommendation. After all, poison ivy and toxic mushrooms are completely natural, as they occur in nature without human intervention. Therefore, the guideline is essentially suggesting that people should eat poison ivy and toxic mushrooms.

The nutritionist's argument is flawed because it conflates two distinct meanings of the term 'natural'. Which of the following accurately identify the two meanings of 'natural' that are being confused in this argument? (Select exactly two options)

Passage:
In seventeenth-century horology, Christiaan Huygens's 1675 introduction of the spiral balance spring revolutionized portable timekeeping by providing a reliable harmonic oscillator for pocket watches. However, historian of science Lisa Jardine has argued that Robert Hooke's earlier 1658 experiments with spring-regulated balances diminish the novelty of Huygens's invention. To support this contention, revisionist scholars often cite Hooke’s 1665 demonstration before the Royal Society of a spring-governed balance watch inscribed with a dedication to King Charles II. Yet this archival emphasis obscures a decisive technical disparity: Hooke’s prototype utilized two opposing straight springs acting non-linearly on the balance staff, which introduced severe positional errors, whereas Huygens’s spiral geometry alone ensured truly isochronous oscillations across varying spring tensions. Consequently, the citation of Hooke’s Royal Society demonstration serves more to illuminate the contested social protocols of seventeenth-century priority disputes than to establish functional equivalence between the two mechanisms.

Statement:
In the context of the passage, the author references 'Hooke’s 1665 demonstration before the Royal Society' primarily to identify a piece of historical evidence that revisionist scholars use to challenge the originality of Huygens’s breakthrough.

To mitigate the environmental impact of urban expansion, the municipality implemented a 'Green Offset' policy. Under this policy, property developers can proceed with construction on undeveloped land only if they purchase 'restoration credits' equivalent to the ecological value of the land being developed. The municipality calculates this ecological value based strictly on the estimated carbon sequestration capacity of the vegetation. Developers predominantly purchase credits from commercial offset firms that specialize in planting fast-growing, non-native pine plantations, which rapidly achieve high carbon sequestration rates per hectare. In contrast, the land typically cleared for urban expansion consists of slow-growing native scrubland that supports a wide variety of endemic wildlife but has a relatively low carbon sequestration capacity per hectare. The policy does not mandate that the offset firms maintain the pine plantations once the restoration credits are sold, and such plantations are highly susceptible to wildfires after their first decade.

Which of the following statements are most strongly supported by the information above?

Passage:
In early nineteenth-century American jurisprudence, courts struggled to reconcile English common law principles of riparian ownership with the vast scale of domestic waterways. In the landmark 1821 case Arnold v. Mundy, Chief Justice Andrew Kirkpatrick addressed whether a private proprietor could claim exclusive title to submerged oyster beds in navigable waters. While Kirkpatrick acknowledged that the English Crown originally held proprietary rights over navigable beds, he maintained that the King held these lands strictly in trust for the common use of the public to navigate and fish. By establishing that the sovereign's dominion was fiduciary rather than alienable, Kirkpatrick insulated public access from private monopolization. He cited the Magna Carta's restrictions on crown grants to illustrate that even royal prerogatives were historically curtailed when they conflicted with communal rights of navigation. Consequently, post-revolutionary state sovereignty inherited this trust obligation, precluding state legislatures from granting absolute private title to the beds of navigable waters.

In the context of the passage, the author's reference to the Magna Carta's restrictions on crown grants serves primarily to do which of the following?