Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Zat apa yang dihasilkan oleh fotosintesis?

1. AGlukosa dan oksigen
2. BAsam laktat dan ATP
3. CKarbon dioksida dan air
4. DProtein dan nitrogen

Sebagian besar enzim termasuk dalam golongan biomolekul apa?

1. ALipid
2. BProtein
3. CMineral
4. DKarbohidrat

Satuan mana yang paling sering dipakai untuk menyatakan ukuran sel?

1. ALiter (L)
2. BMeter (m)
3. CMikrometer
4. DKilometer (km)

A student's hypothesis is "Salt water slows the growth of bean seedlings." Which is a prediction based on it?

1. ABean seedlings need sunlight and water to grow well
2. BSalt water is made of sodium chloride and water
3. CSeedlings given salt water will grow less than those given plain water
4. DSeedlings given plain water will die within a week

Many vitamins act as coenzymes. What does this mean?

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

A cut in the skin heals as new skin cells fill the wound. Which process produces these cells?

1. AMitosis
2. BBinary fission
3. CMeiosis
4. DFertilisation

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA comparable group that does not use the mouthwash
2. BA longer explanation in the report
3. CA survey asking patients if they liked it
4. DA larger bottle of the same mouthwash for each patient

One sample of an enzyme is boiled and then cooled to 37 °C. Another is kept at 4 °C and then warmed to 37 °C. Which sample will work at 37 °C?

1. AOnly the sample that was boiled
2. BOnly the sample that was kept at 4 °C
3. CBoth samples will work equally well
4. DNeither sample will work