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

___ , carbon emissions from vehicles could be significantly reduced within the next decade.

1. A Although electric cars remain more expensive than traditional ones
2. B Because natural disasters have increased in frequency and severity
3. C Since global warming has already caused irreversible damage
4. D If stricter regulations on fuel efficiency were implemented worldwide
5. E While governments continue to ignore environmental warnings

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

Although carbon dioxide is essential for plant photosynthesis, ___.

1. A excessive atmospheric concentrations contribute significantly to global warming
2. B plants cannot utilize it during nighttime respiration processes
3. C it accounts for less than 1% of the Earth's atmospheric composition
4. D its molecular structure changes when absorbed by chloroplasts
5. E its industrial production has declined steadily since the 1990s

Soru 6

___, 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 7

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 8

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 9

___, 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 10

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