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

Tapeworms and roundworms are examples of:

  1. AHelminths
  2. BPrions
  3. CProtozoa
  4. DFungi
2.Easy

Edward Jenner is known for developing vaccination against which disease?

  1. ARabies
  2. BPolio
  3. CSmallpox
  4. DTuberculosis
3.Easy

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

  1. AGreen
  2. BPurple
  3. CPink
  4. DColourless
4.Medium

Toxoplasma gondii is a risk in pregnancy. Which advice reduces exposure?

  1. AAvoid swimming pools and all other public bathing areas
  2. BAvoid all fruit and vegetables
  3. CAvoid cleaning cat litter and avoid undercooked meat
  4. DAvoid contact with dogs
5.Medium

Which organism is a Gram-negative diplococcus that causes a sexually transmitted infection?

  1. ATrichomonas vaginalis
  2. BTreponema pallidum
  3. CChlamydia trachomatis
  4. DNeisseria gonorrhoeae
6.Medium

Which white blood cells are the main phagocytes in an acute bacterial infection and the main component of pus?

  1. ANeutrophils
  2. BB lymphocytes
  3. CBasophils
  4. DEosinophils
7.Hard

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

  1. ALive attenuated vaccines
  2. BInactivated whole-virus vaccines
  3. CSubunit vaccines
  4. DToxoid vaccines
8.Hard

Corynebacterium diphtheriae causes diphtheria only if it produces diphtheria toxin. When does it make this toxin?

  1. AOnly after it has conjugated with E. coli and received a plasmid
  2. BWhenever it is exposed to antibiotics
  3. CWhen it carries a bacteriophage with the toxin gene
  4. DOnly when it is grown at high temperature

Answer key

  1. 1. A · Helminths
  2. 2. C · Smallpox
  3. 3. B · Purple
  4. 4. C · Avoid cleaning cat litter and avoid undercooked meat
  5. 5. D · Neisseria gonorrhoeae
  6. 6. A · Neutrophils
  7. 7. A · Live attenuated vaccines
  8. 8. C · When it carries a bacteriophage with the toxin gene

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