Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which element is found in all organic molecules?

1. ACarbon
2. BNitrogen
3. CSulfur
4. DPhosphorus

What is the main job of the large central vacuole in a plant cell?

1. AIt stores water and keeps the cell firm
2. BIt assembles proteins from amino acids
3. CIt captures light energy for photosynthesis
4. DIt copies DNA before the cell divides

What do centrioles do in an animal cell?

1. AThey make lipids for the cell membrane
2. BThey help organise the spindle during cell division
3. CThey store the cell's digestive enzymes until they are needed
4. DThey capture light for photosynthesis

Red-green colour blindness is X-linked recessive. A colour-blind woman (XᵇXᵇ) has children with a man with normal colour vision (XᴮY). What fraction of their sons is expected to be colour-blind?

1. AOne quarter
2. BNone
3. COne half
4. DAll

Berapa kromosom yang dikandung sel telur manusia normal?

1. A46
2. B92
3. C22
4. D23

Which is an example of negative feedback?

1. AA wound becoming more inflamed over time
2. BSweating when body temperature rises
3. CContractions growing stronger during labour
4. DBlood clotting speeding up once it starts

A patient is given a large volume of hypotonic IV fluid too quickly. What is the most likely effect on the patient's cells?

1. AWater moves out of the cells, and they shrink
2. BSalt moves into the cells, and they burst
3. CWater moves into the cells, and they swell
4. DNothing changes, because cells are not affected by IV fluid

In the Hershey–Chase experiment, viruses were labelled with radioactive phosphorus in their DNA or radioactive sulfur in their protein. Only the phosphorus entered the infected bacteria. What did this show?

1. ADNA, not protein, is the genetic material of the virus
2. BViruses contain no DNA at all
3. CBacteria take up any radioactive substance
4. DProtein, not DNA, is the genetic material of the virus