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

Which of these is caused by a virus?

  1. ATetanus
  2. BInfluenza
  3. CMalaria
  4. DTuberculosis
2.Easy

What shape are cocci?

  1. AComma-shaped
  2. BRod-shaped
  3. CSpiral
  4. DRound
3.Easy

What is the main function of bacterial flagella?

  1. AStorage of nutrients
  2. BAttachment to host cells
  3. CMovement
  4. DProtection against drying out
4.Medium

Transfer of bacterial genes from one bacterium to another by a virus is called:

  1. ATransduction
  2. BTranscription
  3. CTransformation
  4. DConjugation
5.Medium

Which cells does HIV mainly infect and destroy?

  1. APlatelets
  2. BRed blood cells
  3. CNeutrophils
  4. DCD4 T helper cells
6.Medium

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

  1. AB lymphocytes
  2. BEosinophils
  3. CNeutrophils
  4. DBasophils
7.Hard

A patient with suspected infectious pulmonary tuberculosis is admitted. Which precautions are needed?

  1. ANo special precautions, because TB spreads only by blood
  2. BAirborne precautions, ideally a negative-pressure room and respirator masks for staff
  3. CDroplet precautions with a surgical mask, and only within one metre
  4. DContact precautions only, with gloves and an apron
8.Hard

Which bacterial toxin causes the muscle spasms of tetanus?

  1. ATetanospasmin, which blocks inhibitory neurotransmitter release
  2. BCholera toxin, which activates adenylate cyclase
  3. CBotulinum toxin, which blocks acetylcholine release at the neuromuscular junction
  4. DEndotoxin from the outer membrane

Answer key

  1. 1. B · Influenza
  2. 2. D · Round
  3. 3. C · Movement
  4. 4. A · Transduction
  5. 5. D · CD4 T helper cells
  6. 6. C · Neutrophils
  7. 7. B · Airborne precautions, ideally a negative-pressure room and respirator masks for staff
  8. 8. A · Tetanospasmin, which blocks inhibitory neurotransmitter release

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