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 the job of messenger RNA (mRNA)?

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

In an experiment, what is the independent variable?

  1. AThe factor that is measured as the result
  2. BThe factor kept the same in every group
  3. CThe group that receives no treatment
  4. DThe factor the researcher deliberately changes
3.Easy

What are restriction enzymes?

  1. AEnzymes that digest fats in the intestine
  2. BEnzymes that copy RNA into DNA
  3. CEnzymes that join amino acids into proteins
  4. DEnzymes that cut DNA at specific base sequences
4.Medium

A tall pea plant could be TT or Tt. Which cross will best reveal its genotype?

  1. ACross it with a short (tt) plant
  2. BCross it with another tall plant
  3. CCross it with a TT plant
  4. DLet it grow for a longer time
5.Medium

A tablet contains 2.5 g of a substance. How many milligrams is this?

  1. A2500 mg
  2. B25 mg
  3. C0.0025 mg
  4. D250 mg
6.Medium

Which type of graph is best for comparing the number of patients with each ABO blood type?

  1. AA histogram
  2. BA bar graph
  3. CA scatter plot
  4. DA line graph
7.Hard

A human body cell has 46 chromosomes in G1. How many chromatids does it have at metaphase of mitosis?

  1. A46
  2. B23
  3. C92
  4. D184
8.Hard

Why do cells get far more ATP from glucose when oxygen is present than when it is absent?

  1. AWithout oxygen, glucose cannot enter the cell or be broken down at all
  2. BOxygen itself is converted into ATP in the mitochondria
  3. CWithout oxygen the Krebs cycle runs faster but makes less ATP
  4. DWithout oxygen only glycolysis runs, giving a net of 2 ATP per glucose

Answer key

  1. 1. C · It carries the genetic code from DNA to the ribosomes
  2. 2. D · The factor the researcher deliberately changes
  3. 3. D · Enzymes that cut DNA at specific base sequences
  4. 4. A · Cross it with a short (tt) plant
  5. 5. A · 2500 mg
  6. 6. B · A bar graph
  7. 7. C · 92
  8. 8. D · Without oxygen only glycolysis runs, giving a net of 2 ATP per glucose

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