Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

Bilimsel yöntemde hipotez nedir?

1. AAlınan ölçümlerin listesi
2. BDoğru olduğu kanıtlanmış bir sonuç
3. CSınanabilir bir açıklama veya öngörü
4. DPek çok deneyle desteklenen geniş kapsamlı bir açıklama

What is a model in science?

1. AThe control group of a study
2. BAn exact copy that has no limitations
3. CA single measurement from an experiment
4. DA simplified representation of a real system

What does xylem carry in a plant?

1. ASugars from the leaves to the roots
2. BWater and minerals from the roots upward
3. COxygen from the leaves to the roots
4. DSeeds from the flowers to the soil

Kırmızı-yeşil renk körlüğü erkeklerde neden kadınlardan daha yaygındır?

1. AAlel Y kromozomu üzerinde taşınır
2. BAlel erkeklerde baskın, kadınlarda çekiniktir
3. CErkeklerde tek X kromozomu vardır, bu yüzden tek alel yeterlidir
4. DKadınlar bu aleli babalarından kalıtamaz

Mitozun hangi evresinde kromozomlar hücrenin ortasında sıralanır?

1. AProfaz
2. BTelofaz
3. CMetafaz
4. DAnafaz

Human adult height varies across a smooth, continuous range rather than falling into a few separate groups. What is the best explanation?

1. AIt is controlled by many genes and also affected by environment
2. BIt is an X-linked recessive trait
3. CIt is controlled by one gene with two alleles and full dominance
4. DIt is controlled only by the environment

Why do phospholipids arrange themselves into a double layer in water?

1. AThey are fully soluble in water
2. BThey carry a strong positive charge on both ends
3. CTheir heads are hydrophilic and their tails are hydrophobic
4. DTheir heads are hydrophobic and their tails are hydrophilic

In a trial, 20% of patients improve on a new drug and 18% improve on a placebo. What is the best conclusion?

1. AThe drug is ten times better than the placebo
2. BThe drug works well, because 20% of patients improved
3. CThe drug adds little benefit beyond the placebo
4. DThe placebo was harmful to the patients