Lembaran kerja Biologi untuk peperiksaan kemasukan kejururawatan dengan jawapan

Apakah yang dihasilkan oleh mitosis?

1. ADua sel dengan separuh bilangan kromosom
2. BSatu sel dengan dua kali ganda bilangan kromosom
3. CDua sel anak yang serupa secara genetik
4. DEmpat sel anak yang berbeza secara genetik

Mengapakah virus tidak dapat membiak sendiri?

1. AIa membiak hanya di bawah cahaya matahari
2. BIa tidak mempunyai bahan genetik sama sekali, sama ada DNA atau RNA
3. CIa memerlukan jentera sel perumah untuk membuat salinan
4. DIa membahagi hanya melalui meiosis

Which of these diseases is caused by a virus?

1. AInfluenza
2. BAthlete's foot
3. CMalaria
4. DTuberculosis

By which process does oxygen enter a cell and carbon dioxide leave it?

1. ASimple diffusion through the lipid bilayer
2. BFacilitated diffusion through glucose carriers
3. CActive transport by membrane pumps
4. DEndocytosis in small vesicles

Many vitamins act as coenzymes. What does this mean?

1. AThey replace enzymes that have been denatured
2. BThey are digested to release large amounts of energy
3. CThey help enzymes carry out their reactions
4. DThey are built into the cell membrane

Why is water good at dissolving salts and sugars?

1. AIts molecules are nonpolar
2. BIt has a very low boiling point
3. CIts molecules are polar
4. DIt contains carbon atoms

A breastfed baby receives antibodies from its mother's milk. Why does this protection last only a short time?

1. AThe baby did not make these antibodies and forms no memory cells
2. BThe antibodies from breast milk attack the baby's own red blood cells
3. CThe antibodies turn into memory cells after a few weeks
4. DThe baby's stomach makes the antibodies more active

Sweating cools the body. Which property of water best explains this?

1. AIt has a very low specific heat
2. BIt is a nonpolar solvent
3. CIt is less dense as ice than as a liquid
4. DIt takes a lot of heat energy to evaporate