Microbiology worksheet with answers

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

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Name: ____________________   Date: ____________

1.Easy

What colour do Gram-positive bacteria stain in a Gram stain?

  1. APink
  2. BPurple
  3. CGreen
  4. DColourless
2.Easy

Which of these is a protozoan?

  1. ARotavirus
  2. BCandida albicans
  3. CEscherichia coli
  4. DGiardia lamblia
3.Easy

What is a bacteriophage?

  1. AA white blood cell that eats bacteria
  2. BA virus that infects bacteria
  3. CAn antibiotic made by fungi
  4. DA bacterium that infects viruses
4.Medium

Which type of immunity is given by breast milk antibodies?

  1. AArtificial active immunity
  2. BNatural active immunity
  3. CNatural passive immunity
  4. DArtificial passive immunity
5.Medium

Which bacterium causes whooping cough (pertussis)?

  1. ABordetella pertussis
  2. BHaemophilus influenzae
  3. CMycoplasma pneumoniae
  4. DCorynebacterium diphtheriae
6.Medium

Which antibody class is the first to rise in a new infection?

  1. AIgA
  2. BIgE
  3. CIgG
  4. DIgM
7.Hard

A young adult with sore throat, fever and swollen lymph nodes is given amoxicillin and develops a widespread rash. Which infection is most likely?

  1. AInfectious mononucleosis caused by Epstein–Barr virus
  2. BStreptococcal tonsillitis
  3. CMeasles
  4. DChickenpox
8.Hard

A patient taking high-dose immunosuppressive drugs after a transplant is due for vaccinations. Which vaccine type is generally avoided?

  1. AToxoid vaccines
  2. BLive attenuated vaccines
  3. CInactivated whole-virus vaccines
  4. DSubunit vaccines

Answer key

  1. 1. B · Purple
  2. 2. D · Giardia lamblia
  3. 3. B · A virus that infects bacteria
  4. 4. C · Natural passive immunity
  5. 5. A · Bordetella pertussis
  6. 6. D · IgM
  7. 7. A · Infectious mononucleosis caused by Epstein–Barr virus
  8. 8. B · Live attenuated vaccines

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