Cevaplı Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı
Ücretsiz yazdırılabilir Hemşirelik giriş sınavları için biyoloji çalışma kâğıdı: kolaydan sınav düzeyine 8 soru ve cevap anahtarı. Yazdırın ya da PDF olarak kaydedin.
Öğretmenler için: sınıfta ücretsiz yazdırılabilir, çoğaltılabilir ve kullanılabilir. Her yeni çalışma kâğıdında yeni değerler ve kendi cevap anahtarı vardır. Ders sayfanızda ExamProblems bağlantısı vermeniz bizi memnun eder.
Ad: ____________________ Tarih: ____________
1.Kolay
What is a mutagen?
ASomething that can cause changes in DNA
BA protein that repairs damaged DNA
CAn enzyme that copies DNA
DA cell that divides without control
2.Kolay
Hangi baz RNA'da bulunur ama DNA'da bulunmaz?
AGuanin
BUrasil
CTimin
DAdenin
3.Kolay
Which feature helps a sperm cell carry out its job?
AA cell wall for protection
BA flagellum for swimming
CA large vacuole for storing water
DChloroplasts for making food
4.Orta
Why can DNA profiling (fingerprinting) identify individual people?
AEvery person has a different number of chromosomes in their cells
BEach person's genes code for different amino acids
CRepeated non-coding DNA regions vary in length between people
DDNA in blood differs from DNA in skin
5.Orta
When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?
AThe pathogen mutates into a harmless form
BThe vaccine spreads from person to person
CThe pathogen has too few hosts to spread easily
DVaccinated people make antibodies for others
6.Orta
What happens to a protein when it is denatured?
AIt loses its 3D shape but keeps its amino acid sequence
BIt turns into a carbohydrate
CIt becomes more active than before
DIt loses some of its amino acids but keeps its folded shape
7.Zor
Mature human red blood cells have no nucleus and no mitochondria. What follows from this?
AThey make ATP by aerobic respiration using the oxygen they carry
BThey live longer than almost all other body cells
CThey keep making new haemoglobin throughout their life
DThey cannot divide and make their ATP by glycolysis only
8.Zor
Finches on the Galápagos Islands have different beak shapes on islands with different foods. What is the best explanation?
AEach bird changed its beak by using it more
BThe birds were all created with the same beak and it never changed
CThe beaks changed because the birds chose to eat new food
DNatural selection favoured beaks suited to each food source
Cevap anahtarı
1. A · Something that can cause changes in DNA
2. B · Urasil
3. B · A flagellum for swimming
4. C · Repeated non-coding DNA regions vary in length between people
5. C · The pathogen has too few hosts to spread easily
6. A · It loses its 3D shape but keeps its amino acid sequence
7. D · They cannot divide and make their ATP by glycolysis only
8. D · Natural selection favoured beaks suited to each food source
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