All practice questions

The following passage is adapted from a historical essay on European agricultural history.

Prior to the sixteenth century, northern European agriculture was dominated by open-field grain cultivation, a system highly vulnerable to weather fluctuations and frequent fallow cycles. The introduction of the Andean potato (*Solanum tuberosum*) via Spanish trade routes quietly transformed this precarious landscape. Unlike grains, which grew above ground and were easily destroyed by early frosts or military forage, the potato matured safely beneath the soil and yielded up to four times more calories per acre. Consequently, European farmers began converting marginal, previously uncultivable lands into productive fields. This agricultural intensification stabilized the food supply, virtually eliminating the localized famines that had historically checked population growth. As nutrition improved, infant mortality rates plummeted, initiating a demographic boom. This surplus labor pool, no longer tethered to subsistence farming, migrated to urban centers in search of employment, thereby providing the essential workforce that fueled the early stages of the Industrial Revolution.

According to the passage, the introduction of the potato initiated a chain of cause-and-effect relationships. Arrange the following events in order from the initial cause to the final consequence.

Read the following passage:

Although the morning began with a torrential downpour, Maya was determined to finish her painting of the lighthouse. She had first sketched the outline of the tower during her visit the previous summer. Early this morning, before the rain started, she mixed her primary colors on her palette. When the storm finally subsided in the afternoon, she set up her easel on the rocky shore. By sunset, she had applied the final brushstrokes of gold to the beacon, completing her masterpiece.

Based on the passage, in what chronological order did the events of Maya's painting process occur, from earliest to latest?

Passage

When Dr. Elizabeth Vance first arrived at the windswept site of the ancient Garamantes settlement, she did not immediately look to the soil. Her predecessor, Dr. Miller, had spent the previous season excavating the western granary, leaving behind journals detailing a curious layer of charcoal. Vance began by translating these field notes during the long winter months in London. When she finally set foot in the desert, she prioritized testing the surrounding clay beds, reasoning that the clay’s composition would reveal whether the pots found in the granary were locally made. It was only after these tests yielded high silica levels that she authorized the excavation of the eastern kiln site, a project she had initially deemed low-priority. The subsequent discovery of intact clay vessels in the kiln’s ashes confirmed the granary pots' origin. Curiously, the public announcement of the kiln excavation was delayed until the following autumn, long after the team had returned to England to draft their reports and present their preliminary findings at the Royal Geographical Society’s annual summer symposium.

Based on the implicit chronological cues in the passage, what is the correct chronological order of Dr. Vance’s actions and the events surrounding her research, from earliest to latest?

Passage

When the Codex Vercelli was uncovered in the cathedral library in 1822, scholars were baffled by the physical state of its ninth-century vellum. Pages 45 through 52 exhibited a faint, darkened ring along the upper margin—evidence of exposure to tannin-rich oak gall ink that did not match the iron-gall compound used by the original Anglo-Saxon scribe. This secondary ink, which chemical analysis later revealed to be of Northumbrian origin, was applied over erased runes that had once recorded a vernacular poem. However, the presence of microscopic candle wax droplets *beneath* this secondary writing, but *above* the original Latin scraping, suggested a period of nocturnal study prior to the palimpsest's alteration. Furthermore, the binding itself, a sturdy pigskin wrapper from the late tenth century, showed signs of being stretched to accommodate additional leaves that were subsequently excised before the manuscript crossed the Alps. The Italian monastery’s inventory of 1017 makes no mention of the vernacular text, noting only a 'homiliary of foreign hand,' suggesting that by the time the codex reached its southern home, the runic verses had already been obscured, and the candlelit reader had long since finished their work.

Question

Based on the passage, arrange the following events related to the history of the Codex Vercelli in the correct chronological order, from earliest to latest.

The passage details the ecological consequences of introducing the cane toad to Australia. Based on the passage, arrange the following events in the correct logical sequence of cause and effect, starting with the initial intervention and ending with the final ecological outcome.

Passage
In 1935, Australian agricultural authorities released approximately 3,000 cane toads (*Rhinella marina*) into the sugar cane fields of Queensland. The primary objective was to biologically control the native Frenchi and greyback beetles, which were decimating sugar cane crops. However, the toads bypassed the beetles, which inhabited the upper stalks of the cane, and instead fed on ground-dwelling insects. Lacking natural predators and highly adaptable, the cane toad population expanded exponentially, migrating westward across northern Australia.

As the toads invaded new habitats, they encountered native predators such as the northern quoll (*Dasyurus hallucatus*) and various monitor lizard species. Unaware of the toad's defense mechanisms, these predators consumed the slow-moving amphibians. The toads, however, possess large parotoid glands that secrete highly toxic bufotoxins when threatened. Ingesting even small quantities of these toxins proved fatal to the native predators, who had evolved no evolutionary resistance. Consequently, the rapid expansion of the cane toad led to a drastic decline in native predator populations, triggering cascading imbalances throughout the Australian riparian ecosystems.

When grey wolves were reintroduced to Yellowstone National Park in 1995 after a seventy-year absence, scientists anticipated changes in the ecosystem, but few predicted the profound structural shifts that followed. For decades, the local elk population had grazed unchecked, heavily consuming young willow, aspen, and cottonwood trees along valley floors. This overgrazing left riverbanks bare and highly susceptible to erosion. However, the return of wolves quickly altered elk behavior. To avoid predation, elk began avoiding open valleys and gorges where they could easily be trapped. Free from intense grazing pressure, the streamside vegetation began to regenerate rapidly, with some trees quintupling in height in just a few years. This resurgence of woody plants provided critical nesting habitat for migratory birds and, crucially, supplied beavers with the building materials needed to establish dams. The resulting beaver ponds created new wetlands, slowing river currents, reducing bank erosion, and stabilizing the channels. Ultimately, the presence of a top predator did not just manage wildlife populations; it physically reshaped the geography of the park's river systems.

Based on the passage, in what order did the events in this cause-and-effect relationship occur, starting with the initial ecological catalyst and ending with the final physical modification?

Based on the passage, arrange the following events in the chronological order in which they occurred, starting with the earliest event.

Passage:
Before sunrise, Dr. Aris set out into the valley to study the winter foraging habits of red foxes. First, she calibrated her handheld GPS unit at the trailhead, ensuring accurate location mapping. As she walked, she spotted fresh paw prints winding through the snow. She followed these tracks for two miles until they led to a hollow log, where she discovered a cached food reserve of pine cones and berries. Finally, Dr. Aris photographed the cache and noted its coordinates before returning to the base camp.

Read the following passage:

Standing before *The Voyage of the Aurora* in the restoration lab in 2024, Evelyn carefully peeled back the deteriorated lining linen. She was stunned to find a charcoal sketch directly on the pine support, dated months before the painting’s public debut. This discovery felt like the culmination of a lifelong obsession that had begun in 1988, when, as a ten-year-old visitor to the city museum, she had stared up at the massive canvas, captivated by its scale. The painting had survived much since Arthur Pendelton first laid brush to canvas in the winter of 1882, completing the masterpiece just in time for the gallery's grand opening. Yet, its journey to Evelyn's lab was fraught. Decades after its creation, in 1934, a burst water main flooded the municipal basement where it was stored, leaving watermark damage that critics assumed was permanent. It wasn't until Evelyn, now a certified conservator, secured a private grant in 2021 that the museum finally authorized the painting's transfer to her custody for restoration.

Based on the passage, in what chronological order did the events in the history of the painting and Evelyn's life occur?

Based on the passage, arrange the following events in the chronological order in which they occurred, starting with the earliest event.

Passage:
Before Arthur traveled to the remote observatory in the Andes, he spent weeks in London reviewing his predecessor's notes. The dusty diaries, which had been shipped to him from Peru three months prior, detailed the erratic behaviors of the telescope. Yet, it wasn't until Arthur actually arrived at the summit and calibrated the lenses himself that he realized the error was in the alignment, not the gear system. Months later, back in London, he would publish his findings to great acclaim.

Passage

In the autumn of 1911, while browsing the university library at Marburg, Alfred Wegener happened upon a scientific report that listed fossils of identical plants and animals found on opposite sides of the Atlantic. At the time, the prevailing consensus explained these anomalies through hypothetical land bridges that had supposedly sunk into the ocean depths. Wegener, however, found this explanation physically implausible. Inspired by the striking coastline similarity between South America and Africa—a detail he had noted years earlier but dismissed as mere coincidence—he began to synthesize evidence from geology, paleontology, and climatology. When he presented his hypothesis of continental drift at a meeting of the Geological Association in Frankfurt in early 1912, it was met with cold skepticism. Undeterred, Wegener published an expanded treatise three years later, though the lack of a plausible mechanism for how continents actually moved remained a critical flaw. Decades after Wegener's death on a Greenland expedition in 1930, the discovery of mid-ocean ridges and seafloor spreading by Marie Tharp and Bruce Heezen finally provided the missing physical engine, transforming Wegener's rejected hypothesis into the foundation of modern plate tectonics.

Based on the passage, what is the correct chronological order of the following events, from earliest to latest?

In the Arctic tundra, permafrost—soil that remains frozen year-round—acts as a massive carbon sink, locking away the decomposed remains of ancient vegetation. However, rising global temperatures have initiated a feedback loop that threatens to accelerate warming. As the atmosphere warms, the upper layers of permafrost begin to thaw. This thawing exposes long-dormant organic matter to microbial decomposition. In saturated, oxygen-depleted soils, anaerobic microbes digest the organic material, producing methane gas ($CH_4$), a greenhouse gas significantly more potent than carbon dioxide at trapping heat in the short term. The released methane escapes into the atmosphere, where it absorbs thermal radiation that would otherwise escape into space. This trapped heat further raises global temperatures, which in turn hastens the thawing of deeper permafrost layers. Consequently, what began as a localized thawing process transforms into a self-reinforcing global climatic driver, demonstrating how minor shifts in high-latitude soil stability can propagate widespread environmental changes.

Based on the passage, arrange the following events in the correct causal sequence, starting with the initial climatic trigger and ending with the self-reinforcing feedback effect.

Beavers are widely recognized as 'ecosystem engineers' due to the profound structural changes they introduce to their environments. When a family of beavers constructs a wooden dam across a flowing forest stream, it initiates a dramatic cascade of ecological effects. The immediate consequence of the dam is the obstruction of the stream's natural flow, which forces water to pool and flood the adjacent low-lying meadows. This flooding submerges the dry ground, creating a standing body of water known as a beaver pond. Within this newly formed pond, the flow of water decelerates significantly. This reduction in speed causes suspended soil particles and organic sediment carried by the stream to settle to the bottom. Over time, this nutrient-dense sediment accumulates, fertilizing the pond bed and triggering the rapid growth of diverse aquatic vegetation. Ultimately, these new plants provide food and shelter that attract a wide array of insects, birds, and amphibians, transforming a simple stream into a highly biodiverse wetland habitat.

Based on the passage, arrange the following events in the correct sequence of cause-and-effect, from the initial action to the final ecological outcome.

Read the following passage:

When the research vessel *Geryon* first mapped the Mariana Ridge in 2012, its sonar picked up anomalous thermal plumes, though the crew did not realize the significance of their findings until years later. It was only after Dr. Marcus Thorne published his 2018 treatise on sub-crustal heat dissipation—a work inspired by a bizarre deep-sea specimen cataloged during a routine 2005 biological survey—that a targeted expedition was launched. In 2021, the robotic submersible *Nereus II* finally descended into the trench, confirming the existence of the venting field. Curiously, analysis of the mineral chimneys retrieved during that 2021 dive revealed they had begun forming centuries ago, long before 19th-century whaling logs first recorded unexplained warm-water patches in the area.

Based on the passage, arrange the following events in chronological order, starting with the earliest event.

Read the passage below:

In pre-industrial Europe, time was experienced as fluid and task-oriented. Peasants worked from sunrise to sunset, their daily schedules dictated by natural rhythms and agricultural demands rather than rigid hours. The invention of the mechanical clock in fourteenth-century monasteries, however, initiated a profound conceptual shift. Initially designed to coordinate precise times for prayer, the clock soon escaped monastic walls and entered the urban marketplace. In doing so, it transformed time from a subjective experience tied to human activity into an objective, independent commodity that could be measured, divided, and sold.

This synchronization of human labor was not merely a technological change, but a psychological and socioeconomic revolution. By dividing the day into equal, abstract units, the clock laid the groundwork for modern industrial capitalism. Labor was no longer valued by the completion of a task, but by the duration of time spent working. Employers could now buy and control a worker's hours, leading to the strict time-discipline that characterizes modern offices and factories. Furthermore, this shift altered the human psyche; people began to view time as a scarce resource that could be 'wasted' or 'spent,' fostering an anxiety unknown to pre-modern societies. Ultimately, the mechanical clock did not just measure time—it systematically restructured human consciousness to align with the demands of synchronization.

Based on the passage, in what order does the author develop the sub-arguments that build toward the central thesis regarding the impact of the mechanical clock?

Passage

When the Soviet linguist Yuri Knorozov published his landmark paper on Mayan writing in 1952, he was working in near-total isolation from the Western archaeological establishment. Decades earlier, during the chaos of the Second World War, Knorozov had allegedly rescued a single volume containing reproductions of three Mayan codices from the flames of a library. This book became his obsession. While Western scholars like Eric Thompson dogmatically insisted that Mayan glyphs were purely ideographic representations of mystical concepts, Knorozov compared the codices with Diego de Landa’s sixteenth-century manuscript, *Relación de las cosas de Yucatán*. He realized that Landa’s "alphabet" was actually a list of phonetic syllables. By matching these syllables to modern Mayan spoken words, Knorozov began to read the ancient texts aloud. It was only after Tatiana Proskouriakoff’s later discovery that the monuments recorded the actual historical biographies of kings—rather than astronomical tables—that Knorozov’s phonetic approach gained widespread acceptance. The Western consensus did not shift overnight, but the path to understanding had been quietly paved in a Leningrad study long before the walls of the Cold War began to crack.

Based on the implicit chronological cues and details in the passage, in what chronological order did these events occur, from earliest to latest?

Passage

The gradual formation of the Isthmus of Panama—a narrow strip of land connecting North and South America that closed approximately three million years ago—fundamentally restructured global ocean currents and climate systems. Prior to this geological event, the Atlantic and Pacific Oceans exchanged water freely at the equator. However, persistent tectonic collision slowly forced the seafloor upward, eventually creating a continuous land bridge. This new barrier completely blocked the inter-oceanic passage, forcing the warm, saline equatorial waters of the Atlantic to redirect northward. This diversion dramatically intensified the Gulf Stream, which began transporting significantly more warmth and moisture to high northern latitudes. As this warm, humid air encountered the colder atmospheric conditions of the Arctic and Northern Europe, it resulted in vastly increased snowfall across those regions. The persistent accumulation of snow, combined with a cyclical drop in summer solar radiation, prevented the winter snowpack from melting. Consequently, massive ice sheets expanded across the northern continents, initiating the Pleistocene Ice Age.

Question

Based on the passage, arrange the following events in order of their cause-and-effect relationship, starting with the primary geological event and ending with the final climatic consequence.

Passage

In the winter of 2018, Dr. Mateo Silva published *The Silent Courtyards*, a monograph detailing his sixteen-year excavation of the Villa of the Mosaic Peacock. The book was the culmination of a journey that began in the dusty corridors of the Vatican Library in 2002. It was there, while cross-referencing agricultural records of the Campania region, that Silva stumbled upon a marginal note in a 1345 manuscript penned by Brother Thomas. The monk wrote of a 'brilliant bird of stone' buried beneath the vineyards of Oplontis. Intrigued, Silva spent years lobbying for resources, eventually securing a crucial grant from a private foundation in 2008, shortly after his university department had withdrawn its own funding due to budget cuts. Physical excavation did not commence until 2012, when heavy machinery first cleared the topsoil. The project faced a severe setback in 2015 when a seismic tremor compromised the structural integrity of the main trench; however, this disruption unexpectedly exposed a lower subterranean chamber containing carbonized scroll fragments that redefined the villa's historical timeline.

Question

Based on the passage, arrange the following events in the chronological order in which they occurred, starting with the earliest event.

Passage

In the summer of $1967$, Jocelyn Bell Burnell, a graduate student at Cambridge, spent her afternoons analyzing miles of paper charts produced by a newly constructed radio telescope. The telescope, which she had helped build, was designed to study quasars. However, in August, she noticed a strange "scruff" on the chart recordings—a signal that occupied less than a hundredth of an inch. As the autumn progressed, she realized this anomalous signal reappeared at the same location in the sky each day, pulsating with incredible regularity every $1.33$ seconds. When she first brought the chart to her advisor, Antony Hewish, he initially dismissed it as man-made interference, arguing that the telescope was likely picking up a passing car or faulty wiring. Undeterred, Bell Burnell continued her observations, soon locating a second, entirely different pulsating source in a separate part of the sky. This second signal, found in December, effectively ruled out local interference and convinced Hewish that they were looking at a genuine astronomical phenomenon. By February of the following year, their findings were published, igniting a global search for what would soon be named pulsars.

Based on the passage, in what chronological order did these events occur, from earliest to latest?

Passage

For decades, geologists puzzled over thick layers of salt buried deep beneath the floor of the Mediterranean Sea. In the 1970s, deep-sea drilling vessel *Glomar Challenger* recovered sediment cores containing gypsum and rock salt, minerals that only form when saltwater evaporates in shallow basins or salt flats. This discovery challenged the long-held assumption that the Mediterranean had always been a deep, water-filled basin.

To explain this salt, scientists proposed the Messinian Salinity Crisis hypothesis. The argument begins with tectonic uplift: the shifting of the African and Eurasian plates pinched closed the Strait of Gibraltar, the Mediterranean’s sole connection to the Atlantic Ocean. Cut off from its water source, the Mediterranean began to dry out rapidly under the hot Mediterranean sun, as evaporation vastly exceeded the inflow from rivers.

As the sea level plummeted, the basin was transformed into a deep, desert-like sinkhole thousands of feet below sea level, covered in vast salt flats. This extreme dryness persisted for hundreds of thousands of years, creating the massive salt deposits observed today. Finally, the barrier at Gibraltar breached, resulting in the Zanclean flood—a catastrophic deluge where Atlantic water re-entered the basin, refilling the Mediterranean in a matter of months or years.

Question

The passage presents the scientific explanation of the Messinian Salinity Crisis. Based on the passage, arrange the following steps in the order that the author introduces and develops the central argument, starting with the initial presentation of the geological mystery.

Read the following passage about a new art museum:

"At first glance, the new municipal art museum appears to be nothing more than a giant concrete block, cold and uninviting to the casual passerby. The brutalist architecture, characterized by raw concrete and geometric shapes, seems to clash violently with the surrounding historic brick buildings, prompting immediate skepticism about its artistic value. However, as one approaches the entrance, the harsh angles give way to large glass panels that reflect the sky, softening the building's impact and inviting curiosity. Inside, the massive skylights flood the galleries with warm, natural light, transforming what initially felt like a dark tomb into a vibrant, airy sanctuary. Ultimately, the building achieves a masterful balance, proving that modern architecture can respect historical contexts while boldly celebrating the future."

Based on the passage, arrange the author's changing rhetorical perspectives and attitudes in the order they occur, from the beginning of the passage to the end.