Forensic Science and Crime Investigation MCQs 50 Score: 0 Attempted: 0/50 Subscribe 1. : What is the primary objective of forensic science? (A) Conducting scientific research (B) Entertaining legal professionals (C) Assisting in criminal investigations (D) Collecting taxes 2. : Which branch of forensic science deals with the study of fingerprints? (A) Odontology (B) Pathology (C) Dactyloscopy (D) Ballistics 3. : What is the term for the study of dental records for identifying human remains? (A) Serology (B) Odontology (C) Anthropology (D) Entomology 4. : Which technique is commonly used to analyze DNA samples? (A) Mass spectrometry (B) Chromatography (C) Polymerase Chain Reaction (PCR) (D) Calorimetry 5. : The science of analyzing firearms and bullets is called: (A) Serology (B) Ballistics (C) Toxicology (D) Pathology 6. : What type of evidence is a blood sample? (A) Physical (B) Testimonial (C) Circumstantial (D) Digital 7. : Who is known as the “Father of Forensic Science”? (A) Alphonse Bertillon (B) Edmond Locard (C) Francis Galton (D) Hans Gross 8. : What principle states that every contact leaves a trace? (A) Galton’s Law (B) Newton’s Principle (C) Locard’s Exchange Principle (D) Boyle’s Law 9. : Which body fluid is tested to determine if someone was intoxicated? (A) Blood (B) Sweat (C) Saliva (D) Tears 10. : Which crime scene unit is responsible for collecting physical evidence? (A) Laboratory Unit (B) Criminal Law Unit (C) Crime Scene Investigation Unit (D) Intelligence Unit 11. : DNA profiling was first used in a criminal case in which country? (A) USA (B) UK (C) Germany (D) France 12. : What is the scientific study of insects to determine time of death? (A) Entomology (B) Toxicology (C) Pathology (D) Botany 13. : Which method is used to analyze handwriting? (A) Ballistics (B) Graphology (C) Serology (D) Dactyloscopy 14. : A forensic toxicologist primarily tests for: (A) Fingerprints (B) Gunshot residues (C) Drugs and poisons (D) DNA sequences 15. : Which chemical is used to detect blood stains at a crime scene? (A) Ammonia (B) Luminol (C) Acetone (D) Benzene 16. : Which part of a fingerprint is unique to every individual? (A) Ridge patterns (B) Sweat pores (C) Ridge endings and bifurcations (D) Skin tone 17. : The AFIS system is used for: (A) Voice recognition (B) DNA analysis (C) Fingerprint identification (D) Face recognition 18. : Which tool is used to magnify trace evidence like hair or fibers? (A) X-ray machine (B) Microscope (C) Spectrophotometer (D) Polygraph 19. : What kind of evidence is a video surveillance recording? (A) Physical (B) Biological (C) Digital (D) Testimonial 20. : What does a forensic pathologist examine? (A) Teeth (B) Insects (C) Dead bodies (D) Gun residue 21. : Which forensic method identifies individuals using blood group antigens? (A) Blood typing (B) Toxicology (C) DNA sequencing (D) Calorimetry 22. : What is the main role of a forensic anthropologist? (A) Examine living criminals (B) Study skeletal remains (C) Analyze digital devices (D) Interview witnesses 23. : The first forensic lab was established in which country? (A) USA (B) UK (C) France (D) Germany 24. : Which of the following is NOT a biological sample? (A) Hair (B) Bone (C) Bullet (D) Semen 25. : The Kastle-Meyer test is used to detect: (A) Semen (B) Blood (C) Saliva (D) Sweat 26. : Gunshot residue (GSR) is primarily composed of: (A) Lead, barium, antimony (B) Carbon, hydrogen, nitrogen (C) Salt, sulfur, magnesium (D) Copper, zinc, mercury 27. : Which technique is used to separate chemical substances? (A) Spectroscopy (B) Chromatography (C) Titration (D) Dilution 28. : Voice recognition is part of which forensic discipline? (A) Toxicology (B) Digital Forensics (C) Ballistics (D) Entomology 29. : The reliability of eyewitness testimony is often questioned due to: (A) Bias (B) Poor memory recall (C) Suggestion (D) All of the above 30. : Which is a presumptive test for semen? (A) Luminol (B) Kastle-Meyer (C) Acid Phosphatase (D) Hemastix 31. : What is the study of bullet wounds called? (A) Serology (B) Odontology (C) Wound ballistics (D) Hematology 32. : Which of the following is used in DNA fingerprinting? (A) Restriction enzymes (B) pH indicator (C) Alcohol (D) Flame test 33. : Which document technique reveals hidden writing? (A) UV light examination (B) MRI (C) Radiography (D) Mass spectrometry 34. : Which instrument is used for polygraph tests? (A) Spectrometer (B) Microscope (C) Lie detector (D) Chronograph 35. : Which organ is best for detecting poisons during autopsy? (A) Heart (B) Lungs (C) Liver (D) Kidney 36. : Which test confirms the presence of arsenic? (A) Marsh test (B) Luminol test (C) Benzidine test (D) Duquenois-Levine test 37. : What is the role of forensic psychiatry? (A) Treat bone injuries (B) Study mental health of criminals (C) Measure toxins (D) Collect fingerprints 38. : The study of handwriting to detect forgeries is called: (A) Calligraphy (B) Graphology (C) Document examination (D) Penology 39. : Which field analyzes computer crimes? (A) Cyber forensics (B) Ballistics (C) Toxicology (D) Pathology 40. : The shape of a bloodstain can help determine: (A) Weight of the victim (B) Time of death (C) Direction of travel (D) Temperature of the room 41. : What kind of evidence is a witness statement? (A) Digital (B) Physical (C) Testimonial (D) Biological 42. : A blowfly is useful in forensic science for determining: (A) Blood type (B) Time of death (C) Gunshot residue (D) Fingerprint clarity 43. : What is the first step in crime scene investigation? (A) Collect evidence (B) Take photographs (C) Secure the scene (D) Interview witnesses 44. : Which chemical test is used to detect marijuana? (A) Duquenois-Levine (B) Luminol (C) Marquis (D) Benzidine 45. : What is rifling in firearms? (A) Bullet coating (B) Grooves inside a barrel (C) Type of trigger (D) Muzzle speed 46. : Chain of custody ensures: (A) Evidence is properly labeled (B) Evidence is admissible in court (C) Evidence is not contaminated (D) All of the above 47. : Which of the following is a non-biological evidence? (A) Blood (B) Hair (C) Gun (D) Semen 48. : What is forensic serology concerned with? (A) Handwriting (B) Blood and body fluids (C) Bones (D) Teeth 49. : Who analyzes trace evidence such as fibers and paint? (A) Crime scene investigator (B) Trace evidence analyst (C) Digital forensic expert (D) Pathologist 50. : What type of analysis is used to match paint chips to vehicles? (A) Gas chromatography (B) UV spectroscopy (C) Paint database comparison (D) All of the above