Free practice test

Microbiologist Practice Test

Check what you know about the microbiologist job with 15 free questions and instant explanations.

Updated By the Career Education Institute Curriculum Team
About this practice test

15 multiple-choice questions on microbiologist knowledge, safety and vocabulary. Submit to see your score and explanations, or open any question’s answer as you go. Nothing is saved or shared.

Question 1 of 15A Gram stain:
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Answer: Classifies bacteria. Gram-positive or negative.

Question 2 of 15CFU stands for:
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Answer: Colony-forming unit. Counts viable microbes.

Question 3 of 15Clean room monitoring watches:
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Answer: Trends. Trends reveal problems.

Question 4 of 15Waste should be:
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Answer: Autoclaved. Sterilize first.

Question 5 of 15A pathogen:
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Answer: Causes disease. Disease-causing.

Question 6 of 15Which term matches this definition: “Microbes on a product.”
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Answer: Bioburden. Bioburden: Microbes on a product.

Question 7 of 15What does “Clean room” mean?
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Answer: A controlled environment.. Clean room: A controlled environment.

Question 8 of 15Which term matches this definition: “Holding at set temperature.”
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Answer: Incubation. Incubation: Holding at set temperature.

Question 9 of 15What does “CFU” mean?
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Answer: Colony-forming unit.. CFU: Colony-forming unit.

Question 10 of 15Which term matches this definition: “Testing for any microbes.”
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Answer: Sterility test. Sterility test: Testing for any microbes.

Question 11 of 15What does “Antibiotic resistance” mean?
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Answer: Microbes surviving drugs.. Antibiotic resistance: Microbes surviving drugs.

Question 12 of 15Which term matches this definition: “Nutrients for growth.”
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Answer: Media. Media: Nutrients for growth.

Question 13 of 15What does “BSL” mean?
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Answer: Biosafety level.. BSL: Biosafety level.

Question 14 of 15Which term matches this definition: “A layer of microbes.”
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Answer: Biofilm. Biofilm: A layer of microbes.

Question 15 of 15What does “Pathogen” mean?
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Answer: A disease-causing organism.. Pathogen: A disease-causing organism.

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