WorksheetsDSAT Boundaries HARD
Total questions: 25
Worksheet time: 13mins
A recent study tracked the number of bee species present in twenty-seven New York apple orchards over a ten-year period. ______ found that when wild growth near an orchard was cleared, the number of different bee species visiting the orchard decreased.
Entomologist Heather Grab:
Entomologist, Heather Grab,
Entomologist Heather Grab
Entomologist Heather Grab,
The Limón technique, developed by Mexican-born dancer and choreographer Jose Limón, is known for its emphasis on breath control and its interplay of weight and ______ dancers may explore, for example, the moment of mid-air suspension at the top of a jump.
weightlessness
weightlessness which
weightlessness,
weightlessness;
The haiku-like poems of Tomas Tranströmer, which present nature- and dream-influenced images in crisp, spare language, have earned the Swedish poet praise from leading contemporary ______ them Nigerian American essayist and novelist Teju Cole, who has written that Tranströmer’s works “contain a luminous simplicity.”
writers. Among
writers among
writers; among
writers, among
In 2021, Mexican biologist Martha Lydia Macías-Rubalcava led a review of the scientific literature related to endophytic fungi (i.e., fungi that live inside a host ______ researching 120 endophytic fungi–produced compounds, she found that their phytotoxicity can make them viable alternatives to chemical herbicides for controlling weeds.
plant). By
plant), by
plant) and by
plant) by
Roughly 300 nights a year, when the cold air descending from the Andes Mountains meets the warm air rising from Venezuela’s coastal Lake Maracaibo, the result is a spectacular lightning storm, its strikes so bright, so localized, and so ______ that it has become known as “Maracaibo’s Lighthouse.”
dependable:
dependable;
dependable
dependable,
Jamaican British artist Willard Wigan is known for his remarkable ______ so small that they are best viewed through a microscope, Wigan’s sculptures are made from tiny natural materials, such as spiderweb strands.
microsculptures creations
microsculptures, creations
microsculptures. Creations
microsculptures and creations
To serve local families during the Great Depression, innovative New York City librarian Pura Belpré offered storytelling in both English and Spanish, an uncommon ______ celebrated el Día de los Tres Reyes Magos, an important community holiday; and put on puppet shows dramatizing Puerto Rican folktales.
practice, at the time
practice at the time;
practice, at the time,
practice at the time,
As a behavioral economist, Katy Milkman of the University of Pennsylvania recognizes that people sometimes make irrational economic decisions. Milkman’s research can thus address anomalies that neoclassical economic ______ assume that people are consistently rational decision-makers—cannot explain.
models—which
models, which
models which
models which—
Recent analysis of 32532 Thereus—an outer solar system object orbiting the Sun between Jupiter and Saturn—has determined its color to be gray, suggesting an icy composition. Such interpretations are ultimately ______ the object’s gray coloration may be an incidental effect of radiation, solar wind, or collisions with other objects rather than evidence of its physical makeup.
speculative, though
speculative, though;
speculative; though
speculative, though,
Philosopher Peter Kivy was a leading figure in musical ______ evidenced by his belief that instead of evoking particular emotions, such as sadness or joy, compositions elicit a listener’s emotional response to the structure and artistry of the music itself, Kivy’s approach to the study of music was decidedly formalist.
aesthetics as
aesthetics and as
aesthetics, as
aesthetics. As
Using natural debris, such as dried ______ such as plastic bags; and more traditional art supplies, such as tree glue, Ghanaian artist Ed Franklin Gavua creates his striking Yiiiiikakaii African masks, which he hopes can help viewers rethink how waste is used in their communities.
leaves, man-made trash:
leaves; man-made trash,
leaves, man-made trash,
leaves; man-made trash;
In the 1950s, novel audio technologies allowed the addition of another instrument to jazz and swing ______ relatively quiet instrument, its full range of sound was finally audible alongside the blaring brass instruments of the time, allowing flautists like Bennie Maupin and Bobbi Humphrey to perform with other jazz greats.
music, the flute, a
music. The flute, a
music; the flute, a
music: the flute. A
On March 23, 2021, a gust of wind wreaked havoc on global trade. Ever Given, an international shipping container vessel, became lodged in Egypt’s Suez Canal, a major shipping route between Europe and Asia. The vessel took six days to ______ it’s as heavy as two thousand blue whales when fully loaded.
dislodge in part due to its sheer size,
dislodge, in part due to its sheer size:
dislodge, in part due to its sheer size,
dislodge, in part, due to its sheer size
In addition to advocating for South America’s independence in two political treatises, the Cartagena Manifesto and the Letter from Jamaica, Simón Bolívar personally led armies against the Spanish, liberating three South American territories—New Granada (present-day ______ from colonial rule.
Ecuador,)
Ecuador)
Ecuador),
Ecuador)—
In a 2016 study, Eastern Washington University psychologist Amani El-Alayli found that, among the study participants who experienced frisson (a physiological response akin to goosebumps or getting the chills) while listening to music, there was one personality trait that they scored particularly ______ openness to experience.
high. On
high on;
high on
high on:
On July 23, 1854, a clipper ship called the Flying Cloud entered San Francisco ______ left New York Harbor under the guidance of Captain Josiah Perkins Creesy and his wife, navigator Eleanor Creesy, a mere 89 days and 8 hours earlier, the celebrated ship set a record that would stand for 135 years.
Bay and having
Bay. Having
Bay, having
Bay having
When external forces are applied to common glass made from silicates, energy builds up around minuscule defects in the material, resulting in fractures. Recently, engineer Erkka Frankberg of Tampere University in Finland used the chemical ______ to make a glassy solid that can withstand higher strain than silicate glass can before fracturing.
compound, aluminum oxide
compound aluminum oxide,
compound, aluminum oxide,
compound aluminum oxide
In 1986, conceptual artist Sophie Calle asked twenty-three people, all of whom had been born without sight, to describe “their image of beauty” in rich detail. Calle paired excerpts of these conversations with photographs—both of interviewees and the items they ______ to powerful effect in her exhibition The Blind.
described, from hair to grass to sculptures
described, from hair to grass to sculptures—
described—from hair to grass to sculptures,
described: from hair to grass to sculptures
In 2018, a team of researchers led by Dr. Caitlin Whalen compiled every available measurement of ocean mixing rates from the past two decades. With this novel data set, the team was able to determine how current-driven mixing varies across ______ and what impact it has on the distribution of heat and nutrients in the ocean.
regions,
regions:
regions;
regions
Researcher Lin Zhi developed a process for increasing the tensile strength—measured in gigapascals, or GPa—of silkworm ______ dissolving and reweaving the silk in a solution of iron metal ions, zinc, and sugar, Zhi increased the amount of force required to stretch it from approximately 0.5 GPa to 2 GPa.
silk, by
silk by
silk and by
silk. By
In discussing Mary Shelley’s 1818 epistolary novel Frankenstein, literary theorist Gayatri Spivak directs the reader’s attention to the character of Margaret Saville. As Spivak points out, Saville is not the protagonist of Shelley’s ______ as the recipient of the letters that frame the book’s narrative, she’s the “occasion” of it.
novel
novel,
novel; rather,
novel, rather,
Over twenty years ago, in a landmark experiment in the psychology of choice, professor Sheena Iyengar set up a jam-tasting booth at a grocery store. The number of jams available for tasting ______ some shoppers had twenty-four different options, others only six. Interestingly, the shoppers with fewer jams to choose from purchased more jam.
varied:
varied,
varied, while
varied while
On sunny days, dark rooftops absorb solar energy and convert it to unwanted heat, raising the surrounding air ______ a light-colored covering to an existing dark roof, either by attaching prefabricated reflective sheets or spraying on a paint-like coating, helps combat this effect.
temperature; by adding
temperature, adding
temperature. Adding
temperature by adding
Butterfly is a 1988 painting by the Japanese artist Ay-O. Like many of Ay-O’s paintings, Butterfly, which portrays a swimmer performing the butterfly stroke, attempts to make use of the entire visual light ______ sporting rainbow-striped goggles, the rainbow-hued swimmer splashes through a wavy rainbow of water.
spectrum
spectrum:
spectrum while
spectrum, while
Featuring works by the photographers Lola Álvarez Bravo and Else “Yva” Neuländer-Simon, the 2021 exhibition The New Woman Behind the Camera set out to provide a wide-ranging overview of photography by women in the 1920s through the ______ given the collection’s breadth of more than 120 photos, its efforts were largely successful.
1950s, and
1950s and
1950s
1950s,
