YÖKDİL soruları: Fen, Sağlık ve Sosyal örnek sorular ve cevapları

Soru 1 · Dil bilgisi

The samples were stored at -80 °C; ___, some degradation of the proteins was still detected.

1. A) nevertheless — doğru cevap
2. B) therefore
3. C) similarly
4. D) for instance
5. E) in addition

Açıklama: Çok soğukta saklamaya rağmen bozulma görülmesi beklenmedik bir durum: zıtlık için "nevertheless". Therefore sonuç bildirir.

Soru 2 · Çeviri

Bu çalışmanın amacı, sıcaklık artışının deniz canlıları üzerindeki etkisini incelemektir.

Choose the English sentence closest in meaning.

1. A) This study was aimed at organisms that live only in warm seas.
2. B) Marine organisms were examined in order to raise the temperature of the study.
3. C) The aim of rising temperatures is to study marine organisms.
4. D) This study shows that rising temperatures have no effect on marine organisms.
5. E) The aim of this study is to examine the effect of rising temperatures on marine organisms. — doğru cevap

Açıklama: "Amacı ... incelemektir" = "The aim ... is to examine". İkinci seçenek bir sonuç iddia ediyor, dördüncüsü özne ile amacı karıştırıyor.

Soru 3 · Kelime

Solar panels installed on rooftops can ___ a significant share of a household’s electricity demand during the summer months.

1. A) suspect
2. B) neglect
3. C) postpone
4. D) refuse
5. E) meet — doğru cevap

Açıklama: Bir "demand" (talep) karşılanır: meet a demand kalıbı. Refuse (reddetmek) ve neglect (ihmal etmek) cümleyi anlamsız kılar.

Soru 4 · Okuma

Lithium-ion batteries lose capacity with every charging cycle because tiny deposits build up on the electrodes. ___ As a result, several manufacturers now limit routine charging to about 80 per cent of full capacity.

Choose the sentence that best completes the paragraph.

1. A) Recycling schemes for used batteries vary widely between countries.
2. B) Older nickel-based batteries suffered from a different problem known as the memory effect.
3. C) Laboratory tests show that this build-up is fastest when the battery is charged all the way to 100 per cent. — doğru cevap
4. D) Lithium is mined mainly in Australia, Chile and Argentina.
5. E) Most smartphones can be fully charged in under two hours.

Açıklama: "As a result ... %80 ile sınırlıyor" bir sebep ister: birikimin tam şarjda hızlanması. Diğer seçenekler %80 sınırını açıklamıyor.

Soru 5 · Okuma

According to the passage, bleaching ___.

1. A) occurs only in the deepest parts of the ocean
2. B) is reversible if the water temperature drops in time — doğru cevap
3. C) kills the coral within a few days
4. D) is caused by the algae leaving the ocean floor
5. E) affects a quarter of marine species directly

Açıklama: Son cümle: beyazlayan mercanlar ölmemiştir, su kısa sürede soğursa toparlanır. "Kills within days" metne ters; "a quarter of species" reeflerin desteklediği türleri anlatır, ağartmayı değil.

Soru 6 · Kelime

Regular physical activity has been shown to ___ the risk of developing type 2 diabetes in adults.

1. A) provoke
2. B) inherit
3. C) diminish — doğru cevap
4. D) disguise
5. E) sustain

Açıklama: Düzenli egzersiz riski "azaltır": diminish. Provoke (tetiklemek) ters anlam verir; sustain (sürdürmek) riskle anlamlı bir öbek kurmaz.

Soru 7 · Okuma

Antibiotic resistance develops when bacteria change in ways that reduce the effectiveness of drugs designed to kill them. Overuse of antibiotics, including their use for viral infections against which they are ineffective, speeds up this process.

It is stated in the passage that antibiotics ___.

1. A) were originally designed to treat viruses
2. B) strengthen the immune system over time
3. C) always cause resistance in bacteria
4. D) do not work against viral infections — doğru cevap
5. E) should never be prescribed to adults

Açıklama: Metin antibiyotiklerin viral enfeksiyonlara karşı etkisiz (ineffective) olduğunu açıkça söylüyor. "Always" ve "never" içeren seçenekler metnin ötesine geçiyor.

Soru 8 · Okuma

Vitamin D is produced in the skin when it is exposed to sunlight, and only a few foods contain it naturally. ___ For this reason, health authorities in northern countries often recommend supplements during the winter months.

Choose the sentence that best completes the paragraph.

1. A) Excessive sun exposure is a well-known risk factor for skin cancer.
2. B) The vitamin was first isolated by researchers in the early twentieth century.
3. C) In regions with short winter days, people therefore struggle to produce enough of it between November and March. — doğru cevap
4. D) Oily fish and egg yolks are among the richest dietary sources.
5. E) Supplements are sold in both tablet and liquid form.

Açıklama: Boşluktan sonra "For this reason ... kış aylarında takviye" geliyor; sebep, kışın yeterli D vitamini üretilememesi olmalı. Diğer seçenekler kışa ve takviyeye bağlanmıyor.

Soru 9 · Kelime

The survey found that income ___ between the richest and poorest districts of the city had widened over the past decade.

1. A) curriculum
2. B) inequality — doğru cevap
3. C) ceremony
4. D) ancestry
5. E) tradition

Açıklama: Zengin ve yoksul ilçeler arasında "genişleyen" şey gelir eşitsizliğidir: inequality. Tradition (gelenek) ve curriculum (müfredat) gelirle bir öbek kurmaz.

Soru 10 · Okuma

Urbanisation has transformed patterns of family life across the region. ___ As a result, the traditional multigenerational household is becoming less common in large cities.

Choose the sentence that best completes the paragraph.

1. A) Family businesses remain important in agriculture.
2. B) Public transport in large cities has improved considerably.
3. C) Rural areas still produce most of the region's food.
4. D) Historians disagree about when the first cities in the region appeared.
5. E) Young adults increasingly move to cities for education and work, often living far from their parents. — doğru cevap

Açıklama: "As a result" bir sebep bekler: gençlerin ailelerinden uzakta şehre taşınması, çok kuşaklı hanelerin azalmasını açıklıyor. Diğer seçenekler akışı koparıyor.

Soru 11 · Okuma

It can be understood from the passage that early compulsory schooling laws ___.

1. A) were rejected by most European governments
2. B) raised attendance rapidly in rural villages
3. C) ended child labour within a few years
4. D) applied only to children working in factories
5. E) were not enough on their own to bring children into school — doğru cevap

Açıklama: Metin: yasalar yayıldı ama devam yavaş arttı; ancak çocuk işçiliği sınırlanınca ve okullar yapılınca yaygınlaştı. Yani yasa tek başına yetmedi. "Rapidly" ve "ended child labour" metne ters.