Biology for nursing entrance exams worksheet with answers

Free printable Biology for nursing entrance exams worksheet: 8 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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1.Easy

What is endocytosis?

  1. AMoving water across the membrane by osmosis
  2. BSplitting the cytoplasm after the nucleus divides
  3. CTaking material into the cell by folding the membrane around it
  4. DReleasing material from the cell by fusing vesicles with the membrane
2.Easy

Which codon signals the start of translation in most genes?

  1. AUAA
  2. BUGA
  3. CUAG
  4. DAUG
3.Easy

What is the job of messenger RNA (mRNA)?

  1. AIt carries amino acids to the ribosomes
  2. BIt carries the genetic code from DNA to the ribosomes
  3. CIt stores genetic information in the nucleus permanently
  4. DIt forms the main structure of the ribosome
4.Medium

Which structure is found in both prokaryotic and eukaryotic cells?

  1. AMitochondria
  2. BRibosomes
  3. CA nucleus
  4. DThe endoplasmic reticulum
5.Medium

Why do scientists repeat an experiment or use many subjects?

  1. ATo make sure the hypothesis is proven true
  2. BTo change the independent variable each time
  3. CTo avoid needing a control group
  4. DTo reduce the effect of chance on the results
6.Medium

A thermometer gives readings of 36.1, 36.1 and 36.2 °C for a water bath that is really at 37.0 °C. How are these readings best described?

  1. ANeither accurate nor precise
  2. BPrecise but not accurate
  3. CBoth accurate and precise
  4. DAccurate but not precise
7.Hard

A solution contains 5 mg of a substance in every millilitre. How many milligrams are in 0.02 L of the solution?

  1. A100 mg
  2. B0.1 mg
  3. C1000 mg
  4. D10 mg
8.Hard

Scientists put a human gene into bacteria to make a protein. Why do they use a DNA copy made from the mature mRNA instead of the gene taken straight from human DNA?

  1. ABacteria cannot read human codons
  2. BBacteria cannot remove introns
  3. CHuman DNA has no start codons
  4. DBacteria have no ribosomes

Answer key

  1. 1. C · Taking material into the cell by folding the membrane around it
  2. 2. D · AUG
  3. 3. B · It carries the genetic code from DNA to the ribosomes
  4. 4. B · Ribosomes
  5. 5. D · To reduce the effect of chance on the results
  6. 6. B · Precise but not accurate
  7. 7. A · 100 mg
  8. 8. B · Bacteria cannot remove introns

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