YÖKDİL Fen Cümle Tamamlama Soruları

Soru 1

___, researchers have found it increasingly difficult to determine which environmental factors are primarily responsible for the decline in certain species.

1. A While environmental factors have been shown to have no measurable effect
2. B Since a single, isolated cause has been clearly identified for each case
3. C Because ecosystems typically involve numerous closely interconnected variables
4. D As species populations have remained entirely stable in recent years
5. E Although no research has yet been undertaken on this particular issue

Soru 2

Quantum mechanics challenges classical physics by demonstrating that ___.

1. A all physical phenomena are ultimately deterministic and causality is never violated
2. B Newton's laws of motion apply equally at subatomic scales
3. C particles can exhibit both wave-like and particle-like properties depending on observation
4. D the position and velocity of objects can be measured with absolute precision simultaneously
5. E energy transfer always occurs in continuous and predictable amounts

Soru 3

Cümleyi uygun şekilde tamamlayan ifadeyi bulunuz.

Wind turbines generate electricity only when the wind blows within a certain range of speeds; -----.

1. A if it becomes too strong, they are shut down to prevent damage to their blades
2. B therefore, they work equally well in all weather conditions
3. C if it becomes too strong, they produce far more electricity than they were designed for
4. D in other words, the stronger the wind, the more electricity they always produce
5. E however, they are designed to operate only within this range of speeds

Soru 4

While the Big Bang theory is widely accepted in cosmology, ___.

1. A it completely explains the ultimate fate of the cosmos
2. B no supporting observational evidence has ever been discovered
3. C all physicists agree that alternative theories are implausible
4. D the exact age of the universe has been determined with absolute certainty
5. E several unanswered questions remain about the earliest moments of the universe

Soru 5

___, researchers have called for stricter international agreements on plastic waste management.

1. A Even though ocean cleanup efforts have already solved the problem
2. B Although recycling programs have proven completely unnecessary
3. C Unless marine life continues to thrive despite pollution levels
4. D Given that plastic pollution has caused severe damage to marine ecosystems
5. E While plastic production has decreased steadily over the past decade

Soru 6

While the exact mechanisms of memory formation remain unclear, neuroscientists agree that ___.

1. A emotions have no influence on how memories are encoded and retrieved
2. B memory formation occurs exclusively during REM sleep cycles
3. C memories can only be formed through repeated conscious rehearsal
4. D all memories are permanently stored in the cerebral cortex without any processing
5. E the hippocampus plays a crucial role in consolidating short-term memories into long-term ones

Soru 7

Although renewable energy sources such as solar and wind power have become considerably cheaper in recent years, ___.

1. A consumers have shown no interest whatsoever in adopting them
2. B fossil fuels have been completely phased out across the globe
3. C governments have stopped funding any further research in this area
4. D many countries still rely heavily on fossil fuels for their energy needs
5. E they now account for the entirety of global energy consumption

Soru 8

___, since the amount of greenhouse gas emissions released by industrial activities continues to rise steadily.

1. A Environmental scientists have grown increasingly concerned about global warming
2. B Emissions had already dropped to pre-industrial levels
3. C Industrial activities were banned in most developed countries
4. D Global warming had been reversed within a single decade
5. E Researchers stopped monitoring atmospheric conditions altogether

Soru 9

Despite the fact that fossil fuels remain the primary energy source worldwide, ___.

1. A governments have stopped researching new energy methods
2. B their extraction has become entirely cost-free
3. C scientists have proven they cause no environmental damage
4. D many countries are investing heavily in renewable alternatives
5. E demand for them is expected to disappear within a decade

Soru 10

___, researchers still cannot fully explain why certain species show a sudden decline in population.

1. A As long as the ecosystem remains stable
2. B Since the study was performed on animals only
3. C Despite decades of careful observation and data collection
4. D Because foreign scientists rejected the theory
5. E Once the population levels increase again

Soru 11

Although native species in the region have adapted to seasonal droughts for thousands of years, ___.

1. A scientists have concluded that no further monitoring of these species is required
2. B local farmers have long relied on these species for food production without difficulty
3. C the population of these species has remained stable throughout recorded history
4. D the current rate of climate change is placing unprecedented stress on their survival
5. E conservation efforts in the area have proven largely unnecessary until now

Soru 12

___, many scientists argue that stricter regulations on industrial emissions are essential.

1. A Because the effects of climate change appear to have stabilized globally
2. B Provided that emissions continue to decline without any regulatory intervention
3. C Although industrial emissions have had no measurable effect on the climate
4. D Given the strong correlation between rising emissions and global temperature increases
5. E Whether or not future generations are affected by current environmental policies

Soru 13

The development of CRISPR-Cas9 gene editing technology has raised important ethical questions, ___.

1. A particularly regarding the potential for unintended consequences and germline modifications
2. B although scientists unanimously agree on appropriate applications
3. C but all concerns were resolved after extensive animal testing
4. D since it has proven impossible to use this tool with precision
5. E while demonstrating that genetic enhancement should be mandatory

Soru 14

Environmental scientists agree that rising sea temperatures play a significant role in coral bleaching, ___.

1. A because most marine species depend entirely on artificial reef structures
2. B even though bleaching events have decreased steadily since early industrial times
3. C although few practical solutions have been proposed to reverse the damage on a large scale
4. D since coral reefs have shown no signs of stress in the past century
5. E provided that ocean currents remain unaffected by climate patterns

Soru 15

Although the amount of agricultural land in the region has decreased significantly over the past period, ___.

1. A which caused a serious decline in crop yields across the country
2. B since farmers were forced to abandon their traditional methods
3. C unless new technologies are introduced to increase efficiency
4. D food production levels have continued to rise due to improved farming techniques
5. E the ancient irrigation systems were originally built by local communities

Soru 16

___, global warming continues to cause significant changes in weather patterns worldwide.

1. A As long as governments invest more in public transportation
2. B Because scientists have found new sources of renewable energy
3. C Even though many countries have reduced their carbon emissions
4. D Provided that international agreements are strictly enforced
5. E Given that pollution levels have dropped in most cities

Soru 17

The vital role that soil quality plays in agricultural productivity means that ___.

1. A crop yields are unaffected by changes in soil composition
2. B agricultural output has remained constant regardless of soil conditions
3. C land degradation poses a serious threat to future food security
4. D farmers have stopped monitoring the condition of their land entirely
5. E researchers no longer study the relationship between land and yield

Soru 18

The brain's remarkable capacity to adapt to new conditions throughout life means that ___.

1. A medical schools no longer include neurology as part of their core curriculum
2. B the structure of the brain remains completely fixed after early childhood development
3. C researchers have given up studying the long-term effects of brain injuries
4. D most cognitive decline associated with aging cannot be prevented by any means
5. E individuals who suffer neurological damage can sometimes regain lost abilities through targeted therapy

Soru 19

Although excessive use of pesticides increases agricultural production in the short term, ___.

1. A it was developed before modern chemistry existed
2. B the study focused mainly on urban population growth
3. C crops grown in western countries require no fertilizers
4. D it can cause serious damage to soil quality and animal life over time
5. E farmers prefer organic methods for religious reasons

Soru 20

Despite the numerous warnings issued by environmental agencies, ___.

1. A global temperatures have finally begun to stabilize completely
2. B industrial emissions have continued to rise in many regions
3. C renewable energy has replaced fossil fuels entirely worldwide
4. D public concern about climate change has disappeared altogether
5. E most countries have successfully met their reduction targets