Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Apa yang dihasilkan oleh mitosis?

1. ADua sel dengan setengah jumlah kromosom
2. BEmpat sel anak yang berbeda secara genetik
3. CSatu sel dengan dua kali jumlah kromosom
4. DDua sel anak yang identik secara genetik

What are the bacteria called that normally live on the skin and in the gut without causing disease?

1. APrions
2. BVectors
3. CPathogens
4. DNormal flora

What is phagocytosis?

1. AA cell releasing hormones by exocytosis
2. BA cell engulfing large particles such as bacteria
3. CA cell taking in small droplets of fluid
4. DA cell dividing into two identical daughter cells

During childbirth, pressure on the cervix causes oxytocin release, which causes stronger contractions and more pressure. What kind of control is this?

1. APositive feedback
2. BNatural selection
3. CHomeostatic balance
4. DNegative feedback

Pernyataan mana yang menggambarkan transpor aktif?

1. AMemindahkan zat menurut gradien konsentrasinya tanpa memakai energi apa pun
2. BHanya terjadi pada sel mati
3. CMemakai energi untuk memindahkan zat melawan gradien konsentrasi
4. DHanya memindahkan air melalui membran

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AThe pathogen has too few hosts to spread easily
2. BVaccinated people make antibodies for others
3. CThe pathogen mutates into a harmless form
4. DThe vaccine spreads from person to person

A study finds that coffee drinkers have more lung cancer. Later it is found that coffee drinkers in the study also smoked more. What is smoking in this study?

1. AA confounding variable
2. BThe dependent variable
3. CA placebo
4. DThe control group

A cube-shaped cell has sides of 2 µm. What is its surface area-to-volume ratio?

1. A2 : 1
2. B3 : 1
3. C6 : 1
4. D1 : 3