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. APrions
  2. BProtozoa
  3. CFungi
  4. DHelminths
2.Easy

What shape are cocci?

  1. ARound
  2. BSpiral
  3. CComma-shaped
  4. DRod-shaped
3.Easy

Which structure do bacteria have but human cells do not?

  1. AA peptidoglycan cell wall
  2. BDNA
  3. CRibosomes
  4. DA phospholipid cell membrane
4.Medium

Which laboratory test separates Staphylococcus aureus from most other staphylococci?

  1. AThe coagulase test
  2. BThe Gram stain
  3. CThe acid-fast stain
  4. DThe catalase test
5.Medium

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

  1. AB lymphocytes
  2. BBasophils
  3. CEosinophils
  4. DNeutrophils
6.Medium

How does an autoclave sterilise instruments?

  1. AWith dry heat at about 60 °C
  2. BWith ultraviolet light only
  3. CWith steam under pressure at about 121 °C
  4. DWith alcohol vapour at room temperature
7.Hard

Primary syphilis typically presents with:

  1. ADamage to the heart and brain
  2. BA painful cluster of small blisters on the genitals or the mouth
  3. CA painless ulcer (chancre) at the site of infection
  4. DA widespread rash on the palms and soles
8.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. AStreptococcal tonsillitis
  2. BMeasles
  3. CInfectious mononucleosis caused by Epstein–Barr virus
  4. DChickenpox

Answer key

  1. 1. D · Helminths
  2. 2. A · Round
  3. 3. A · A peptidoglycan cell wall
  4. 4. A · The coagulase test
  5. 5. D · Neutrophils
  6. 6. C · With steam under pressure at about 121 °C
  7. 7. C · A painless ulcer (chancre) at the site of infection
  8. 8. C · Infectious mononucleosis caused by Epstein–Barr virus

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