Free practice test

Forensic Science Technician Practice Test

Check what you know about the forensic science 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 forensic science 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 15Chain of custody:
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Answer: Records evidence handling. It tracks evidence.

Question 2 of 15Photograph a scene:
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Answer: Before touching anything. Document first.

Question 3 of 15Locard’s principle says:
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Answer: Every contact leaves a trace. Contact transfers.

Question 4 of 15CODIS is:
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Answer: A DNA database. National DNA index.

Question 5 of 15As a witness, if unsure:
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Answer: Admit you don’t know. Honesty builds credibility.

Question 6 of 15Which term matches this definition: “Genetic identification.”
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Answer: DNA profile. DNA profile: Genetic identification.

Question 7 of 15What does “Expert witness” mean?
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Answer: Testifies on technical matters.. Expert witness: Testifies on technical matters.

Question 8 of 15Which term matches this definition: “A diagram of a scene.”
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Answer: Crime scene sketch. Crime scene sketch: A diagram of a scene.

Question 9 of 15What does “Locard’s principle” mean?
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Answer: Every contact leaves a trace.. Locard’s principle: Every contact leaves a trace.

Question 10 of 15Which term matches this definition: “An invisible fingerprint.”
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Answer: Latent print. Latent print: An invisible fingerprint.

Question 11 of 15What does “Contamination” mean?
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Answer: Unwanted transfer of material.. Contamination: Unwanted transfer of material.

Question 12 of 15Which term matches this definition: “National DNA database.”
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Answer: CODIS. CODIS: National DNA database.

Question 13 of 15What does “Toxicology” mean?
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Answer: Testing for drugs and poisons.. Toxicology: Testing for drugs and poisons.

Question 14 of 15Which term matches this definition: “An instrument identifying chemicals.”
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Answer: GC-MS. GC-MS: An instrument identifying chemicals.

Question 15 of 15What does “Presumptive test” mean?
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Answer: A screening test.. Presumptive test: A screening test.

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