Free practice test

Biological Technician Practice Test

Check what you know about the biological technician 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 biological technician 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 15PCR:
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Answer: Copies DNA. Amplifies DNA.

Question 2 of 15Aseptic technique prevents:
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Answer: Contamination. Keeps cultures clean.

Question 3 of 15A negative control:
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Answer: Shows no contamination. Catches contamination.

Question 4 of 15Lab notebooks should be:
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Answer: Written as things happen. Real time.

Question 5 of 15Mouth pipetting is:
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Answer: Never allowed. Unsafe.

Question 6 of 15Which term matches this definition: “Sterilizes equipment.”
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Answer: Autoclave. Autoclave: Sterilizes equipment.

Question 7 of 15What does “ELN” mean?
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Answer: Electronic lab notebook.. ELN: Electronic lab notebook.

Question 8 of 15Which term matches this definition: “Separating DNA by size.”
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Answer: Gel electrophoresis. Gel electrophoresis: Separating DNA by size.

Question 9 of 15What does “Reagent” mean?
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Answer: A substance used in a reaction.. Reagent: A substance used in a reaction.

Question 10 of 15Which term matches this definition: “Biosafety level.”
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Answer: BSL. BSL: Biosafety level.

Question 11 of 15What does “Replicate” mean?
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Answer: A repeated sample.. Replicate: A repeated sample.

Question 12 of 15Which term matches this definition: “A solution that resists pH change.”
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Answer: Buffer. Buffer: A solution that resists pH change.

Question 13 of 15What does “Cell culture” mean?
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Answer: Growing cells in the lab.. Cell culture: Growing cells in the lab.

Question 14 of 15Which term matches this definition: “Spins samples to separate them.”
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Answer: Centrifuge. Centrifuge: Spins samples to separate them.

Question 15 of 15What does “Assay” mean?
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Answer: A test that measures something.. Assay: A test that measures something.

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