All practice questions

Read the following excerpt from an essay on environmental policy:

"Recent econometric models suggest that carbon pricing mechanisms effectively curb industrial emissions, however, their implementation frequently encounters socio-political resistance in developing economies reliant on fossil-fuel infrastructure."

Which of the following revisions best corrects the sentence boundary error in the excerpt while maintaining formal academic tone?

While traditional models of volcanic activity in the Pacific Northwest posited long intervals of total quiescence between major eruptive phases, recent geochemical analysis of tephra deposits suggests a more continuous, low-level release of magmatic gases throughout the Holocene. This finding does not entirely invalidate earlier catastrophic models, but it does require researchers to modify their understanding of subterranean pressure dynamics. Rather than viewing volcanic systems as strictly binary engines—either entirely dormant or violently active—geologists must now account for constant, sub-surface activity that subtly alters regional geothermal gradients over millennia.

Based on the passage, which of the following best characterizes the author's attitude toward the traditional models of volcanic activity?

For several decades, neurobiologists attempting to elucidate avian magnetoreception operated under the assumption that biogenic magnetite crystals within the avian upper beak served as the sole transducer of geomagnetic information. This single-mechanism paradigm, however, struggled to account for the light-dependent nature of migratory orientation observed in behavioral trials. The emergence of the radical-pair hypothesis—positing that quantum entanglement within photo-activated cryptochrome proteins in the retina mediates directional sensing—offered a compelling alternative. Yet early cryptochrome research suffered from its own reductionist tendencies, frequently presenting retinal Cry4 proteins as static, autonomous quantum compasses while dismissing magnetite-based models as obsolete artifacts of early methodology. Recent empirical investigations have dismantled this binary dichotomy. By demonstrating that cryptochrome activation requires specific conformational dynamics triggered by blue-light illumination and that ophthalmic trigeminal nerve signaling correlates strictly with magnetic intensity rather than directional heading, contemporary researchers have articulated a unified dual-system framework. Under this synthesized model, cryptochrome-mediated quantum radical pairs provide an inclination-based directional compass, whereas ophthalmic magnetite deposits function independently as a topographic intensity map. Thus, current scholarship reinterprets earlier competing hypotheses not as mutually exclusive theories, but as complementary components of a multi-modal sensory apparatus.

Based on the passage, which of the following statements accurately characterize the primary purpose or central thesis of the text? Select all that apply.

Consider the following sentence from an academic essay proposal:

"To address the rising operational costs, the director recommended that the research team consolidate existing laboratory resources, streamline experimental protocols, and that automated data collection tools be adopted across all departments."

Which of the following revisions best corrects the sentence by establishing proper parallel structure across coordinate elements?

While nineteenth-century philologist Maria Von Siebold was long celebrated for her sweeping taxonomies of pre-Indo-European language fragments, contemporary linguists often dismiss her methodological frameworks as excessively speculative, driven more by romantic nationalism than rigorous empirical reconstruction. Certainly, her tendency to infer familial linguistic ties from isolated morphological coincidences merits serious methodological critique. However, to relegate her entire corpus to the realm of antiquarian fantasy is to overlook her pioneering, if flawed, attempt to systematically catalog non-literate linguistic substrates—a domain virtually ignored by her contemporaries. Her surviving archives contain meticulously cross-referenced field recordings and phonological transcriptions that, when stripped of her overambitious interpretive leaps, offer invaluable raw data for modern historical phonology. Thus, while one must remain wary of her overarching theoretical conclusions, her empirical observations represent a substantial, if inadvertently preserved, contribution to the field. Critics who advocate for a complete repudiation of her legacy risk discarding crucial primary evidence in their eagerness to condemn her dated conceptual apparatus.

Which of the following best characterizes the author’s attitude toward Maria Von Siebold’s academic contribution?

In economic history, the seventeenth-century expansion of Western European merchant fleets has traditionally been attributed to localized technological innovations in shipbuilding. However, recent dendrochronological analyses of surviving hull timbers have challenged this localized paradigm by revealing that shipyards in the Dutch Republic and England relied heavily on imported oak from the Baltic region. Early scholarship posited that domestic timber supplies in Western Europe were catastrophically depleted by the 1620s, compelling shipbuilders to seek foreign raw materials out of sheer necessity. Yet systematic tree-ring growth data combined with customs ledgers indicate that Baltic oak was selected primarily for its superior structural density and uniform grain rather than as a desperate remedy for local scarcity. Furthermore, this international timber pipeline required sophisticated credit systems and bilateral trade agreements, demonstrating that maritime capability was driven as much by financial integration as by domestic industrial capacity. Consequently, scholars must reevaluate the rise of early modern naval powers not as an isolated domestic phenomenon, but as an outgrowth of trans-regional resource networks.

Which of the following best states the primary purpose of the passage?

Although eighteenth-century chemist Joseph Priestley famously isolated what is now known as oxygen gas in 1774, his adherence to phlogiston theory led him to conceptualize the substance as 'dephlogisticated air.' According to phlogiston doctrine, combustible materials contained an invisible weight-bearing principle, phlogiston, which was released into the surrounding atmosphere during combustion until the air became saturated. Priestley observed that a candle burned far more brilliantly and a mouse survived significantly longer in a sealed container filled with his newly isolated gas than in ambient atmospheric air. Rather than interpreting this as evidence of a distinct elemental constituent of air that actively combines with burning matter—as Antoine Lavoisier would subsequently propose—Priestley inferred that the isolated gas was entirely devoid of phlogiston, thereby enabling it to absorb phlogiston emitted by burning bodies far more rapidly than ordinary air could. Consequently, while Priestley's meticulously documented experimental protocols provided the empirical bedrock for Lavoisier's chemical revolution, Priestley himself remained convinced until his death that his observations validated, rather than undermined, the traditional phlogiston framework.

Based on the passage, which of the following can be inferred regarding Priestley's interpretation of his 1774 combustion experiments?

Until the late 1970s, marine ecology was anchored in the paradigm that all deep-ocean benthic ecosystems were ultimately dependent upon surface photosynthetic production for organic carbon inputs. The discovery of hydrothermal vent communities along the Galápagos Rift dramatically challenged this foundational assumption, revealing thriving ecosystems supported by chemoautotrophic bacteria that oxidized reduced sulfur compounds. Initial interpretations of this phenomenon cast hydrothermal vents as isolated biological anomalies—fascinating curiosities of extreme environments with minimal relevance to broader oceanic carbon budgets. However, subsequent quantitative surveys across mid-ocean ridge systems demonstrated that chemosynthetic primary production plays an essential, highly integrated role in global marine biogeochemistry. By demonstrating that ecosystems could originate and sustain complex biomass independently of solar radiation, vent ecology forced a profound reconfiguration of models governing planetary carbon cycles, while simultaneously expanding the theoretical parameters for astrobiological searches for life on icy ocean worlds.

Which of the following best states the primary purpose of the passage?

While mid-twentieth-century archaeologists predominantly interpreted Upper Paleolithic shell beads as mere decorative trinkets indicative of rudimentary aesthetic impulses, recent traceological and spatial analyses of Gravettian ornaments have compelled a significant reevaluation of their cognitive and social functions. Wear-pattern micro-analysis reveals that specific perforated marine shells were not merely attached to garments ad hoc, but were repeatedly assembled, disassembled, and rearranged in standardized sequences, exhibiting systematic thread-wear consistent with display in structured, multi-strand networks. Furthermore, isotopic sourcing indicates that many shell species were transported over distances exceeding four hundred kilometers from contemporary coastlines, far beyond the foraging ranges of individual bands. Crucially, regional assemblages display distinct stylistic variations in bead combination despite utilizing identical shell species, suggesting that these items functioned as formalized mediums of symbolic exchange and regional group identity marking rather than universal currency or isolated prestige items. Because the labor investment required to manufacture synthetic imitations—such as carved mammoth ivory beads shaped to mimic marine shells—increased dramatically in inland regions where natural shells were scarce, researchers argue that the visual prestige of shell ornaments was tied to the semiotic information conveyed by their specific morphotypes rather than raw material abundance alone.

Based on the passage, which of the following can be inferred regarding the manufacture of ivory beads in inland regions during the Gravettian period?

For decades, entomologists attributed the biological divergence between queen and worker honeybees (Apis mellifera) exclusively to qualitative nutritional differences during larval development, specifically the continuous consumption of royal jelly by queen-destined larvae. However, recent genomic investigations have reframed this developmental bifurcation as an epigenetic phenomenon governed by differential gene expression rather than structural genomic alterations. Researchers demonstrated that silencing the enzyme DNA methyltransferase 3 (Dnmt3) in newly hatched larvae replicates the phenotypical effects of royal jelly, producing functional queens even when larvae are fed a standard worker diet. This finding reveals that royal jelly acts primarily by inhibiting Dnmt3, thereby preventing the global DNA methylation that normally represses queen-specific developmental pathways in worker larvae. Consequently, caste determination is now understood not as an irreversible genetic mandate, but as an environmentally triggered molecular switch that toggles epigenetic repression. By elucidating this pathway, recent studies have provided a concrete model for how environmental inputs directly modify the functional genome without altering underlying nucleotide sequences.

Which of the following best states the primary purpose of the passage?

Passage:

Nineteenth-century legal historians predominantly conceptualized the Justinianic codifications of the sixth century as an exhaustive consolidation designed to freeze classical Roman jurisprudence into a static, definitive corpus. Under this view, Emperor Justinian’s commissioners were seen as mere archivists whose primary objective was the systematic elimination of archaic contradictions to enforce imperial uniformity across a declining empire. However, recent reassessments utilizing socio-legal frameworks argue that this traditional view mistakes pragmatic procedural reform for ideological ossification. Rather than attempting to immure law against historical change, the compilers deliberately embedded interpretive ambiguities and competing legal opinions within the Digest. This structural flexibility allowed provincial magistrates to adapt canonical principles to localized, evolving economic realities. Far from imposing a rigid jurisprudential orthodoxy, the codification scheme was fundamentally designed to institutionalize a dynamic mechanism for ongoing judicial discretion, thereby preserving the empire's administrative resilience during acute demographic and political transitions.

Which of the following best states the primary purpose of the passage?

In GRE Analytical Writing Issue prompt analysis, effective essay responses evaluate broad claims by identifying contextual boundaries and valid exceptions. Match each sweeping Issue prompt claim with the most logically compelling exception or contextual limit that a nuanced essay should address.

Hélène Mercer’s monograph on fifteenth-century Florentine artisan guilds challenges the prevailing narrative that these institutions operated as rigid monopolies stymieing technological innovation. By analyzing previously unexamined guild ledger entries regarding workshop adaptations of water-powered machinery, Mercer demonstrates that master craftsmen frequently circumscribed formal guild prohibitions when commercial expediency demanded it. However, while Mercer’s empirical documentation of workshop flexibility is meticulous, her broader conclusion that Florentine guilds were proactive incubators of proto-industrial capitalism overreaches the historical record. The instances of innovation she cites remain localized concessions rather than systematic structural policies. Consequently, her study is valuable primarily for dismantling the long-held myth of monolithic guild stagnation, even if her attempt to recast guilds as dynamic capitalist engines rests on an overly optimistic reading of isolated anecdotal exceptions.

Which of the following best describes the author’s attitude toward Mercer’s study on Florentine artisan guilds?

In high-register academic writing, complex multi-clause sentences must adhere strictly to standard English sentence boundaries. Which of the following sentences are grammatically complete and correctly punctuated without any fragments, comma splices, or run-on errors? Select all that apply.

While historians of physics have traditionally emphasized Ernst Mach’s sensation-based positivism as the primary catalyst for Albert Einstein’s conceptual dismantling of Newtonian absolute space, this narrative obscures a critical nuance in Einstein’s methodological departure. Mach’s radical empiricism insisted that physical concepts derive strictly from observable phenomena, rejecting any construct—such as absolute motion—that transcended direct sensory verification. Prompted by Mach's critiques, Einstein indeed redefined simultaneity in operational terms based on light-signal propagation. However, whereas Mach envisioned scientific theories as mere economical summaries of sensory data, eliminating meta-theoretical ontological commitments entirely, Einstein retained a profound commitment to underlying objective structures independent of observation. Consequently, when Mach subsequently repudiated relativity on the grounds that non-Euclidean space was an unobservable abstraction, he was not betraying his own philosophical framework, as early commentators alleged; rather, he was applying it with unyielding consistency. The divergence highlights that Einstein relied on Machian criticism primarily as an epistemic solvent to dissolve rigid Newtonian presuppositions, rather than as an ontological blueprint for theory construction.

Based on the passage, which of the following can be inferred regarding Ernst Mach’s ultimate rejection of the theory of relativity?

In her reevaluation of Renaissance cartographic practices, historian Elena Vance challenges the prevalent assumption that sixteenth-century sea charts were purely utilitarian instruments devoid of aesthetic or ideological intent. Vance convincingly demonstrates that portolan charts frequently incorporated iconographic conventions designed to reinforce monarchical claims to maritime sovereignty. However, her assertion that mapmakers deliberately distorted coastal topographies to serve geopolitical agendas rests on tenuous methodological footing. While Vance meticulously documents artistic embellishments in map margins, she treats cartographic inaccuracies—often attributable to instrument limitations or navigational error—as calculated acts of political dissimulation. Consequently, whereas her thesis regarding the symbolic dimension of early modern maps provides a valuable corrective to utilitarian reductionism, her broader claim regarding systematic cartographic deception remains largely unpersuasive.

Based on the passage, which of the following statements accurately characterize the author's attitude toward Elena Vance's scholarship? Select all that apply.

During the 1930s, modernist architects increasingly incorporated translucent glass masonry—commonly known as glass block—into industrial factory designs. Architectural historians originally interpreted this innovation as a purely utilitarian response to daylighting requirements, noting that glass block maximized natural illumination while maintaining thermal insulation superior to conventional fenestration. However, recent scholarship suggests that the adoption of glass block was equally driven by managerial desires to enhance internal spatial control. Unlike clear plate glass, which permitted factory workers to observe external surroundings, translucent glass block diffused exterior light while completely obscuring outward vision. By curtailing visual contact with the outside world, factory managers sought to minimize workplace distractions and enforce focus on assembly lines. Concurrently, the uniform diffusion of light eliminated high-contrast shadows on shop floors, thereby facilitating supervisor oversight of worker movement. Thus, the implementation of glass masonry represented not merely a passive acoustic and thermal building solution, but an active architectural mechanism for modifying industrial labor behavior.

Consider each of the choices separately and select all that apply.

Which of the following can be inferred from the passage regarding translucent glass block in 1930s industrial factories?

Consider the following statement from a GRE Issue prompt:

"To foster meaningful cultural development, governments should prioritize funding public libraries and museums over supporting individual contemporary artists whose work lacks established historical significance."

A writer analyzing this prompt must uncover its foundational premises before formulating an essay response. Which of the following express unstated assumptions upon which the prompt's recommendation relies? Select all that apply.

For decades, tropical ecology operated under the "pristine myth"—the assumption that pre-Columbian Amazonia was an untouched wilderness populated by sparse populations whose ecological footprint was negligible. However, recent pedological and palynological investigations have uncovered extensive deposits of terra preta (anthropogenic dark earths) alongside sophisticated earthwork complexes throughout the upper Amazon basin. These findings suggest that pre-Columbian societies actively engineered large-scale agricultural landscapes, managing forest composition through controlled burning and deliberate soil enrichment.

While some researchers have extrapolated from these site-specific discoveries to contend that the entire Amazon basin was a thoroughly domesticated, densely populated cultural landscape, others urge methodological restraint. Critics emphasize that high-density anthropogenic soils are highly localized, primarily clustered along major river bluffs, while vast interfluvial areas show minimal paleobotanical evidence of intentional modification. Rather than replacing the pristine myth with a uniform paradigm of total landscape domestication, emerging scholarship favors a nuanced mosaic model: pre-Columbian human impact varied radically depending on local hydrology, soil chemistry, and proximity to navigable waterways.

Which of the following statements accurately characterize the central thesis or primary purpose of the passage? Select all that apply.

A test-taker is drafting a concluding paragraph for a GRE Issue essay responding to the prompt: 'Educational institutions should require all students to take courses outside their major fields of study.' Throughout the body paragraphs, the writer argued that while specialized expertise is critical for modern careers, interdisciplinary coursework cultivates essential cross-domain problem-solving skills; however, rigid universal mandates can impose unnecessary administrative and financial burdens on students.

Which of the following draft concluding sentences best achieves effective synthesis by bringing these divergent points into a unified final perspective?