YDT Paragraf Tamamlama dersi, Paragraf tamamlama konusundan 103 özgün örnek soru.
Önce kendin çöz, sonra “Cevabı göster” ile kontrol et; adım adım çözüm her sorunun kendi sayfasında.
Complete the paragraph with the most appropriate option:
For centuries, navigators traversing open oceans faced the deadly peril of scurvy. On long voyages, sailors developed bleeding gums, lethargy, and loose teeth, with thousands perishing before reaching port. ---- In 1747, Scottish naval surgeon James Lind conducted one of the world's first controlled clinical trials, proving that sailors fed fresh citrus fruits like lemons and oranges made swift, miraculous recoveries.
A)Hardtack biscuits provided the primary source of carbohydrate calories on long journeys.
B)Vitamin C was chemically synthesized in a laboratory in the early 20th century.
C)Wooden sailing vessels required frequent dry-dock maintenance to remove barnacles.
D)The British Royal Navy dominated maritime trade routes following the Napoleonic Wars.
E)Scurvy was widely believed to be caused by bad air, salt meat, or laziness.
Cevabı göster
Doğru cevap: E) Scurvy was widely believed to be caused by bad air, salt meat, or laziness.
Complete the paragraph with the most appropriate option:
Bats have long suffered from an unfair cultural reputation as sinister blood-suckers and vectors of disease. In reality, insectivorous bat species provide an invaluable ecological and economic service to agriculture. A single brown bat can catch up to one thousand mosquitoes and agricultural crop pests in just one hour. ---- Agronomists estimate that by suppressing crop-destroying moths and beetles, bats save the global agricultural industry billions of dollars annually in avoided pesticide costs.
A)Vampire bats reside primarily in tropical zones of Central and South America.
B)This voracious appetite acts as a potent natural pest management system.
C)White-nose syndrome has caused catastrophic mortality in hibernating bat colonies.
D)Bats navigate nocturnal environments using high-frequency ultrasonic echolocation.
E)Fruit bats perform essential pollination services for tropical durian and banana trees.
Cevabı göster
Doğru cevap: B) This voracious appetite acts as a potent natural pest management system.
Complete the paragraph with the most appropriate option:
In evolutionary biology, "island gigantism" describes the phenomenon where small mainland species evolve to significantly larger sizes after colonizing isolated oceanic islands. Free from continental mammalian predators and facing competition for limited food niches, smaller animals often expand in bulk over generations. ---- The giant tortoises of the Galapagos Islands and the extinct dodo of Mauritius represent famous historical examples of this dramatic evolutionary trend.
A)Conversely, large animals often undergo island dwarfism due to restricted food resources.
B)Larger body dimensions provide greater metabolic efficiency and resilience against famine.
C)Human colonizers introduced invasive rats and pigs that devastated endemic island wildlife.
D)Volcanic islands emerge from the sea floor completely devoid of terrestrial biological life.
E)Charles Darwin observed distinct finch beak morphologies across different Galapagos islands.
Cevabı göster
Doğru cevap: B) Larger body dimensions provide greater metabolic efficiency and resilience against famine.
Complete the paragraph with the most appropriate option:
The invention of the Gutenberg printing press with movable metal type in the 1440s initiated an information explosion across Renaissance Europe. Before Gutenberg, books were laboriously transcribed by hand by monastic scribes, making them luxury commodities accessible only to the wealthy elite. ---- Consequently, literacy rates climbed steadily, scientific discoveries circulated unimpeded, and religious reformations gained unstoppable momentum.
A)Gutenberg struggled with debt and lost ownership of his print shop to a financial partner.
B)Movable type allowed thousands of identical pages to be printed rapidly at a fraction of previous costs.
C)Early printed books were often hand-illuminated with gold leaf to imitate medieval manuscripts.
D)Latin remained the dominant language of European university scholarship until the 18th century.
E)Parchment made from calfskin was gradually replaced by linen rag paper imported from China.
Cevabı göster
Doğru cevap: B) Movable type allowed thousands of identical pages to be printed rapidly at a fraction of previous costs.
Complete the paragraph with the most appropriate option:
Deserts are frequently stereotyped as lifeless wastelands of barren sand dunes. In reality, arid ecosystems support an astonishing array of specially adapted flora and fauna. Cacti store vast reservoirs of water in succulent stems shielded by sharp spines, while desert foxes have oversized ears that radiate excess body heat. ---- Through these ingenious physiological traits, life perseveres and flourishes even under scorching desert conditions.
A)Flash floods in desert canyons can be lethal because dry soil fails to absorb sudden rain.
B)Similarly, kangaroo rats survive their entire lives without drinking a single drop of liquid water.
C)The Sahara Desert spans across eleven North African nations from the Atlantic to the Red Sea.
D)Desertification is threatening fertile arable land along the southern boundaries of the Sahel.
E)Nomadic bedouin tribes navigate desert terrains using celestial star alignments at night.
Cevabı göster
Doğru cevap: B) Similarly, kangaroo rats survive their entire lives without drinking a single drop of liquid water.
Complete the paragraph with the most appropriate option:
Bees perform an irreplaceable ecological service through pollination. As worker bees fly from blossom to blossom collecting sweet nectar, microscopic pollen grains stick to their fuzzy bodies and fertilize neighboring plants. ---- Without their busy pollinating flights, many flowering species and valuable agricultural crops like almonds, apples, and blueberries would fail to set fruit.
A)Worker bees communicate the distance and direction of flower patches through the waggle dance.
B)This simple mutualistic interaction is essential for the reproductive lifecycle of thousands of plant species.
C)Commercial beekeeping has been practiced since ancient Egyptian times for honey and wax harvesting.
D)Parasitic Varroa mites have inflicted heavy mortality on managed honeybee colonies worldwide.
E)Queen bees can lay up to two thousand eggs each day during the peak spring breeding season.
Cevabı göster
Doğru cevap: B) This simple mutualistic interaction is essential for the reproductive lifecycle of thousands of plant species.
Complete the paragraph with the most appropriate option:
In cognitive neuroscience, the concept of neuroplasticity has revolutionized our understanding of the human brain. For decades, the dominant medical dogma held that the adult brain was fixed, rigid, and structurally unalterable after early childhood. ---- Modern functional MRI brain scans demonstrate that practicing a musical instrument, meditating, or learning a foreign language physically reorganizes synaptic density and creates new neural pathways even in elderly individuals.
A)Stroke patients rarely regain lost speech without undergoing intensive speech therapy.
B)However, pioneering research over recent decades has thoroughly debunked this static model.
C)Children acquire foreign languages with noticeably less conscious effort than adult learners.
D)Memory consolidation primarily occurs during the slow-wave stages of non-REM slumber.
E)Genetic predispositions play a major role in determining an individual's baseline cognitive IQ.
Cevabı göster
Doğru cevap: B) However, pioneering research over recent decades has thoroughly debunked this static model.
Complete the paragraph with the most appropriate option:
Microplastics have now permeated virtually every ecosystem on our planet, from snow on Mount Everest to sediment in the Mariana Trench. These microscopic synthetic polymers degrade from abandoned fishing gear, synthetic clothing fibers, and automobile tires. ---- Once ingested by zooplankton and small fish, the pollutants accumulate as they ascend the trophic food chain, eventually reaching human dining tables through seafood.
A)Recycling facilities are often unable to process contaminated household plastic wrappers profitably.
B)Due to their minuscule dimensions, they are readily mistaken for planktonic food by marine life.
C)Many nations have introduced bans on single-use plastic shopping bags to curb ocean litter.
D)Biodegradable polymers derived from corn starch are gaining popularity as packaging alternatives.
E)Ocean clean-up vessels use floating containment barriers to skim buoyant plastic debris from the gyres.
Cevabı göster
Doğru cevap: B) Due to their minuscule dimensions, they are readily mistaken for planktonic food by marine life.
Bioluminescence is the production and emission of light by a living organism, commonly observed in deep-sea creatures. In the pitch-black oceanic abyssal zone, where sunlight never penetrates, organisms utilize this biochemical ability for diverse evolutionary survival strategies. Some species use glowing lures to attract curious prey directly into their jaws, while others emit sudden flashes to startle approaching predators. ----. Without this remarkable adaptation, complex food webs in the deepest trenches of the ocean could hardly function.
A)Sunlight is absorbed rapidly by surface water, disappearing completely below a depth of one thousand meters
B)Coral reefs located in shallow tropical waters rely instead on photosynthetic symbiotic algae
C)Deep-sea exploration submersibles require powerful halogen floodlights to illuminate the sea floor
D)Furthermore, certain squid species release glowing clouds of photophores to blind pursuers and conceal their escape
E)Commercial fisheries rarely operate in oceanic waters exceeding five hundred meters in depth
Cevabı göster
Doğru cevap: D) Furthermore, certain squid species release glowing clouds of photophores to blind pursuers and conceal their escape
The Industrial Revolution transformed European societies from agrarian communities into mechanized urban centers. While steam engines and automated looms dramatically boosted manufacturing productivity, the social consequences for working-class families were severe. Factory employees endured twelve-hour workdays in poorly ventilated, hazardous facilities. ----. It took decades of labor activism, unionization, and legislative reforms to gradually establish basic worker rights and safety standards.
A)Steamships eventually replaced traditional sailing vessels for international transatlantic cargo transport
B)Railroad networks expanded rapidly across the British countryside, connecting coal mines to industrial seaports
C)Moreover, child labor was rampant, with young children performing dangerous tasks around heavy moving machinery for meager wages
D)Agricultural yields in rural provinces actually increased due to improved crop rotation techniques
Sleep is not merely a passive state of physical rest, but a highly dynamic biological process essential for cognitive maintenance. During deep slow-wave and rapid-eye-movement (REM) sleep, the brain is actively reorganizing neural connections. Synaptic connections formed during waking hours are pruned and consolidated into long-term memory reserves. ----. Chronic sleep deprivation, therefore, impairs memory retention, emotional regulation, and decision-making capabilities.
A)Simultaneously, the brain's glymphatic system flushes out toxic metabolic waste products that accumulate throughout the day
B)Caffeine consumption late in the evening inhibits adenosine receptors and prevents feelings of drowsiness
C)Most adults require approximately seven to nine hours of continuous sleep each night to feel refreshed
D)Ancient Greek philosophers believed that dreams were prophetic visions delivered directly by deities
E)Circadian rhythms are regulated primarily by the suprachiasmatic nucleus located in the hypothalamus
Cevabı göster
Doğru cevap: A) Simultaneously, the brain's glymphatic system flushes out toxic metabolic waste products that accumulate throughout the day
The invention of the Gutenberg movable type printing press around 1440 initiated a communications revolution comparable to the rise of the modern internet. Prior to this innovation, books were painstakingly copied by hand by scribes, rendering them rare luxury items accessible only to royalty and monastic libraries. ----. This rapid democratization of the written word accelerated the spread of the Protestant Reformation, the Scientific Revolution, and modern literary cultures.
A)Parchment and vellum were gradually replaced by cheaper paper imported from East Asian trade routes
B)Gutenberg eventually faced severe financial bankruptcy after litigating with his business partners
C)Movable metal type enabled printers to produce hundreds of identical book copies in a fraction of the time and cost
D)Latin remained the dominant scholarly language of European theological debate throughout the Middle Ages
E)Scribes across Europe vehemently protested against the mechanization of manuscript transcription
Cevabı göster
Doğru cevap: C) Movable metal type enabled printers to produce hundreds of identical book copies in a fraction of the time and cost
Throughout the Mesozoic Era, pterosaurs dominated prehistoric skies as the first vertebrates known to have evolved powered flight. Unlike modern birds, whose wings are formed primarily by feathers attached along the forelimb, pterosaurs possessed a membranous wing consisting of skin, muscle, and tough structural fibers. ----. This anatomical architecture allowed them to adjust wing camber and tension dynamically during turbulent atmospheric glides.
A)Fossil evidence indicates that marine reptiles like plesiosaurs never developed airborne capabilities
B)Most paleontologists agree that bird-like feathers first emerged among predatory theropod dinosaurs
C)This delicate yet resilient membrane was anchored to an extraordinarily elongated fourth finger on each hand
D)Consequently, bird skeletons are significantly denser than those of airborne reptile species
E)Several late Cretaceous species achieved flight solely by leaping from seaside cliffs into thermal updrafts
Cevabı göster
Doğru cevap: C) This delicate yet resilient membrane was anchored to an extraordinarily elongated fourth finger on each hand
The placebo effect has long puzzled neuroscientists and medical ethicists alike. When patients receive an inert substance such as a saline injection while believing it to be a potent analgesic, their bodies frequently manifest tangible physiological relief. ----. Brain imaging studies demonstrate that genuine endorphin release and diminished neural activity in pain processing circuits occur when an inert treatment is administered under the guise of medicine.
A)This improvement is far from purely psychological wishful thinking; it involves measurable biochemical cascades
B)Clinical trials often discard placebo control groups because sugar pills have become prohibitively expensive
C)Pharmaceutical companies deliberately avoid comparing novel painkillers against standard saline solutions
D)Patients who suffer from chronic nerve pain rarely notice any alteration in subjective symptom severity
E)Most medical professionals maintain that administering placebos is strictly illegal under international statutes
Cevabı göster
Doğru cevap: A) This improvement is far from purely psychological wishful thinking; it involves measurable biochemical cascades
Mangrove forests serve as indispensable protective buffers along tropical coastlines. Their dense, tangled root systems dissipate the violent kinetic energy of hurricane storm surges and tsunami waves. ----. Furthermore, their sediments store immense volumes of blue carbon, trapping greenhouse gases for millennia beneath coastal mud.
A)Desalination facilities across the Caribbean have replaced mangrove wetlands with concrete seawalls
B)Timber companies clear millions of hectares of mangroves annually to construct deep-water shipping harbors
C)Consequently, fish populations avoid mangrove estuaries due to the lack of oxygen in stagnant brackish waters
D)In addition, these complex subterranean root networks trap river sediments, preventing coastal erosion and filtering water before it reaches coral reefs
E)Coastal development has successfully eradicated nearly all mangrove ecosystems across Southeast Asia
Cevabı göster
Doğru cevap: D) In addition, these complex subterranean root networks trap river sediments, preventing coastal erosion and filtering water before it reaches coral reefs
The invention of the chronometer by John Harrison in the 18th century solved the greatest navigational challenge of the maritime age: calculating longitude at sea. While latitude could easily be determined by measuring the angle of the sun or Polaris above the horizon, longitude required comparing local solar time with a precise reference clock set to a prime meridian. ----. Without a mechanism immune to ship motion and temperature fluctuations, ships routinely wrecked along jagged reefs.
A)Harrison's timepieces were constructed entirely of polished glass to prevent salt spray corrosion
B)British naval admirals had already mapped every oceanic meridian with astronomical quadrants decades earlier
C)Sailors preferred relying on stellar occultation tables compiled by royal Greenwich astronomers
D)However, conventional pendulum clocks were rendered utterly useless by the rolling swell of ocean waves and varying barometric pressure
E)Most merchant vessels carried compasses that automatically corrected for local longitudinal deviations
Cevabı göster
Doğru cevap: D) However, conventional pendulum clocks were rendered utterly useless by the rolling swell of ocean waves and varying barometric pressure
Urban tree canopies are critical nature-based solutions for mitigating the dangerous urban heat island effect. Concrete, asphalt, and masonry absorb daytime solar radiation and re-radiate it as heat throughout the night. ----. By providing shade and transpiring water vapor into the surrounding atmosphere, mature trees can lower ambient neighborhood temperatures by several degrees Celsius.
A)Air conditioning units consume minimal electrical power when outside temperatures climb above forty degrees
B)Many municipal governments are cutting down street trees to widen multilane highway arteries
C)Asphalt surfaces have been chemically engineered to reflect all incoming ultraviolet radiation
D)Strategic tree plantings interrupt this thermal cycle through both mechanical interception of sunlight and active evapotranspiration
E)Urban soil compaction prevents tree roots from accessing underground water conduits
Cevabı göster
Doğru cevap: D) Strategic tree plantings interrupt this thermal cycle through both mechanical interception of sunlight and active evapotranspiration
Echolocation in cetaceans, particularly toothed whales and dolphins, represents one of nature's most exquisite sensory adaptations. These marine mammals produce high-frequency ultrasonic clicks in their nasal passages beneath the blowhole. ----. When these sonic pulses strike distant fish or seabed topography, the returning acoustic echoes are received through fat channels in the lower jaw and routed directly to the inner ear, allowing the animal to construct a three-dimensional mental map in complete darkness.
A)These acoustic emissions are focused into a concentrated directional beam by an oil-filled cranial organ called the melon
B)Baleen whales, by contrast, filter plankton using fringed plates of keratin hanging from their upper jaws
C)Many commercial sonar systems emit sounds that cause cetaceans to become permanently disoriented
D)Consequently, dolphins frequently beach themselves along coastal sandbars during severe navigational storms
E)Dolphin teeth contain growth rings that marine biologists utilize to estimate individual biological longevity
Cevabı göster
Doğru cevap: A) These acoustic emissions are focused into a concentrated directional beam by an oil-filled cranial organ called the melon
The Library of Alexandria was ancient history's most celebrated repository of scholarly knowledge, housing hundreds of thousands of papyrus scrolls. Popular myth often attributes its destruction to a single catastrophic inferno ordered by an invading general. ----. Historical chronicles reveal that the institution suffered repeated partial fires, financial neglect, civil unrest, and gradual bureaucratic decline over four centuries before disappearing entirely.
A)Ptolemaic monarchs confiscated every book found on arriving merchant vessels to create imperial copies
B)However, modern historical scholarship indicates that the library's demise was actually a prolonged, multi-stage decay
C)Aristarchus of Samos calculated the circumference of the Earth while serving as head royal librarian
D)Most papyrus manuscripts survived intact in underground limestone catacombs beneath modern Alexandria
E)Julius Caesar ordered his legionnaires to reconstruct the library's burned colonnades using Roman travertine
Cevabı göster
Doğru cevap: B) However, modern historical scholarship indicates that the library's demise was actually a prolonged, multi-stage decay
Peatland ecosystems cover only three percent of the global land surface, yet they store nearly twice as much carbon as all the world's forests combined. The waterlogged, oxygen-depleted conditions in healthy bogs prevent dead plant matter from decomposing, effectively locking away atmospheric carbon for millennia. ----. When drained bogs dry out, trapped organic matter oxidizes rapidly, transforming these ancient carbon sinks into massive greenhouse gas emitters.
A)Tropical rainforests in the Congo Basin absorb substantial amounts of carbon through rapid tree growth
B)However, when peatlands are drained for agricultural expansion or commercial forestry, this preservation mechanism reverses violently
C)Peat moss can be harvested and pressed into decorative fuel briquettes for residential domestic heating
D)Sphagnum moss species thrive exclusively in high-alkalinity limestone wetlands across northern Europe
E)Many countries have banned the import of synthetic peat substitutes due to packaging waste concerns
Cevabı göster
Doğru cevap: B) However, when peatlands are drained for agricultural expansion or commercial forestry, this preservation mechanism reverses violently