Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Which piece of equipment gives the most precise measurement of a liquid volume?

1. AA graduated cylinder
2. BA test tube
3. CA beaker
4. DA Petri dish

What does transfer RNA (tRNA) do?

1. AIt joins two DNA strands together
2. BIt copies DNA in the nucleus
3. CIt brings amino acids to the ribosome
4. DIt carries the code out of the nucleus

Empat basa apa yang terdapat pada DNA?

1. AAdenin, timin, glukosa, dan sitosin
2. BAdenin, timin, guanin, dan sitosin
3. CAdenin, urasil, guanin, dan sitosin
4. DAlanin, timin, glisin, dan sistein

A deletion removes exactly three bases, forming one whole codon, from the middle of a gene. What is the most likely result?

1. ANo protein can be made at all
2. BEvery amino acid after the deletion is changed to a new one
3. CThe protein lacks one amino acid but the rest is unchanged
4. DThe protein becomes three times longer

Why do plants wilt when the soil around their roots becomes very salty?

1. AWater leaves the root cells by osmosis
2. BThe roots take in too much water
3. CSalt blocks sunlight from reaching the leaves
4. DSalt makes the root cells swell and burst

How can bacteria pass antibiotic-resistance genes directly to other bacteria?

1. ABy meiosis, forming gametes with new alleles
2. BBy osmosis, moving genes in water
3. CBy mitosis, sharing copies of their chromosomes with neighbours
4. DBy conjugation, transferring plasmids through a pilus

At dawn, a plant shows no overall uptake or release of oxygen or carbon dioxide. What is the best explanation?

1. AIts stomata are permanently closed at dawn
2. BIt only respires at dawn
3. CIts rate of photosynthesis equals its rate of respiration
4. DIt has stopped both photosynthesis and respiration until it is light

A person's body temperature starts to fall in a cold room. Which responses help bring it back up?

1. ASweating and widening of blood vessels in the skin
2. BSlower heart rate and less muscle activity
3. CShivering and narrowing of blood vessels in the skin
4. DFaster breathing and more urine production