Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı

How many micrometres (µm) are in one millimetre?

1. A1000
2. B100
3. C10
4. D1 000 000

Hücre boyutunu belirtmek için en sık hangi birim kullanılır?

1. ALitre (L)
2. BMikrometre
3. CMetre (m)
4. DKilometre (km)

Difüzyon nedir?

1. AParçacıkların yüksek derişimden düşük derişime hareketi
2. BHücrenin büyük parçacıkları bir kesecik içinde yutması
3. CParçacıkların düşük derişimden yüksek derişime hareketi
4. DSuyun ATP kullanarak bir zardan geçmesi

Why do root hair cells have long, thin extensions?

1. ATo anchor the plant firmly against strong winds and rain
2. BTo store starch for the winter
3. CTo increase the surface area for absorbing water
4. DTo carry out photosynthesis underground

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. AOsmosis
2. BExocytosis
3. CEndocytosis
4. DPhagocytosis

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B80 beats per minute
3. C72 beats per minute
4. D73 beats per minute

Fertiliser washes from farmland into a lake. Algae grow rapidly, then die, and later many fish die. What is the main cause of the fish deaths?

1. AThe fertiliser is directly poisonous to fish
2. BBacteria decomposing the dead algae use up the oxygen
3. CThe algae release carbon dioxide that poisons fish
4. DThe fish eat too many algae and become ill

Finches on the Galápagos Islands have different beak shapes on islands with different foods. What is the best explanation?

1. AEach bird changed its beak by using it more
2. BNatural selection favoured beaks suited to each food source
3. CThe birds were all created with the same beak and it never changed
4. DThe beaks changed because the birds chose to eat new food