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Castro-Forensic 6 - Quiz
Contributed by: Castro
  • 1. Which branch studies the effects of a projectile when it hits a target
A) External ballistics
B) . Internal ballistics
C) Terminal ballistics
D) Chemical ballistics
  • 2. What instrument is commonly used to examine the fine details of fired bullets and cartridge cases?
A) Telescope
B) Barometer
C) Microscope
D) Thermometer
  • 3. What instrument is used to compare markings on two fired bullets?
A) Compound microscope
B) Comparison microscope
C) Spectrometer
D) Magnifying glass
  • 4. What is the primary purpose of a comparison microscope?
    A. Measure temperature
A) Compare two specimens simultaneously
B) Measure bullet weight
C) Measure temperature
D) Determine blood type
  • 5. Which instrument is used to measure the dimensions of a firearm or ammunition?
A) Vernier caliper
B) Thermometer
C) Compass
D) Stopwatch
  • 6. What instrument is used to measure the mass of a bullet?
A) Ruler
B) Protractor
C) Analytical balance
D) Microscope
  • 7. Which instrument is used to photograph ballistic evidence?
A) Camera
B) Magnet
C) Microscope
D) Calculator
  • 8. What instrument helps examine the surface details of a bullet?
A) Barometer
B) Speedometer
C) Stereomicroscope
D) Thermometer
  • 9. What is the purpose of a measuring scale in crime scene photography?
A) To measure temperature
B) To show the actual size of evidence
C) To identify the suspect
D) To determine the firearm's owner
  • 10. Which equipment is used to safely secure and transport firearms?
A) Plastic shopping bag
B) Paper envelope only
C) Proper firearm evidence container
D) Open cardboard tray
  • 11. What is the main function of a forensic laboratory?
A) Arrest suspects
B) Examine and analyze physical evidence
C) Store personal belongings
D) Conduct court trials
  • 12. Which instrument is used to examine microscopic markings on cartridge cases?
A) Telescope
B) Binoculars
C) Thermometer
D) Comparison microscope
  • 13. What is the purpose of a digital camera in ballistic investigation?
A) To alter evidence
B) To clean firearms
C) To document evidence
D) To destroy evidence
  • 14. Which tool is used to measure the length and diameter of ammunition components?
A) Compass
B) Hygrometer
C) Caliper
D) Stopwatch
  • 15. Why is proper laboratory equipment important in forensic ballistics?
A) To change evidence
B) replace witnesses
C) To produce accurate and reliable examination results
D) To avoid documentation
  • 16. What is the first priority when arriving at a crime scene?
A) Ensure safety and secure the scene
B) Interview the media
C) Move all objects
D) Collect all evidence immediately
  • 17. What is the purpose of establishing a crime scene perimeter?
A) To entertain witnesses
B) To allow unauthorized entry
C) remove evidence
D) To protect and preserve evidence
  • 18. What should investigators do before collecting ballistic evidence?
A) all evidence together
B) Wash the evidence
C) Photograph and document its original location
D) Discard damaged items
  • 19. What is the purpose of crime scene photography?
A) identify the judge
B) To decorate the case folder
C) To record the original condition and location of evidence
D) replace laboratory testing
  • 20. What is a fired cartridge case?
A) firearm barrel
B) The container that held the cartridge components before firing
C) A firearm magazine
D) An unfired bullet
  • 21. What is the purpose of a crime scene sketch?
A) To show the spatial relationship of evidence
B) To determine guilt automatically
C) To replace photographs
D) To identify fingerprints automatically
  • 22. What should investigators do when they discover a firearm at a crime scene?
A) Handle it unnecessarily
B) Follow firearm safety procedures and have it secured by trained personnel
C) Allow witnesses to handle it
D) Test-fire it immediately
  • 23. What is chain of custody?
A) A documented record of evidence possession and transfers
B) A court decision
C) A firearm classification
D) A list of suspects
  • 24. Why should ballistic evidence be collected separately?
A) To make evidence heavier
B) To avoid laboratory examination
C) To change its appearance
D) To prevent contamination and confusion
  • 25. What is the importance of evidence labels?
A) To identify and track collected evidence C. To replace the investigator's report
B) To determine the sentence
C) To decorate evidence packages
D) replace the investigator's report
  • 26. What should be done when several cartridge cases are found?
A) Clean them before examination
B) Throw away damaged cases
C) Mix them into one unmarked container
D) Document their locations and maintain individual identification
  • 27. Which document records the details of evidence collected at a crime scene?
A) Birth certificate
B) Marriage certificate
C) School record
D) Evidence inventory
  • 28. Why must unauthorized persons be prevented from entering the crime scene?
A) To hide evidence
B) To delay the investigation
C) prevent documentation
D) To protect evidence from contamination
  • 29. What is the purpose of evidence preservation?
A) To maintain the original condition of evidence
B) To destroy fingerprints
C) To remove identifying marks
D) To modify evidence
  • 30. What should be done if ballistic evidence is exposed to moisture?
A) Document the condition and follow approved preservation procedures
B) Ignore its condition
C) Wash it immediately
D) Mix it with other evidence
  • 31. Who is qualified to explain the scientific findings of a ballistic examination in court?
A) Bystander
B) Expert witness
C) Spectator
D) Reporter
  • 32. What is the primary responsibility of a ballistics expert witness?
A) To explain examination methods and findings objectively
B) To decide the accused's guilt
C) To defend the police at all costs
D) To replace the judge
  • 33. What is an expert witness?
A) A person with specialized knowledge or training
B) random observer
C) A court security guard
D) A person without relevant knowledge
  • 34. What does chain of custody help establish?
A) The suspect's motive
B) The identity and integrity of evidence throughout its handling
C) The victim's occupation
D) The judge's decision
  • 35. What is the purpose of a forensic ballistic report?
A) To replace the evidence
B) To present examination methods, observations, and conclusions
C) To announce a sentence
D) To identify the prosecutor
  • 36. What should a ballistic expert do when asked a question in court?
A) Guess the answer
B) Hide unfavorable findings
C) Provide personal opinions unrelated to the evidence
D) Give an honest and scientifically supported answer
  • 37. What is demonstrative evidence?
A) Material used to help explain or illustrate testimony
B) An arrest warrant
C) A court order
D) A suspect's confession
  • 38. Why is proper documentation important during court presentation?
A) It supports the credibility and reliability of evidence
B) It removes the need for witnesses
C) It changes laboratory results
D) It guarantees conviction
  • 39. Who determines the guilt or innocence of the accused?
A) Ballistics examiner
B) Laboratory assistant
C) Crime scene photographer
D) Judge or court
  • 40. What is the importance of objectivity in forensic testimony?
A) To support only the prosecution
B) To guarantee conviction
C) To hide errors
D) To present unbiased scientific findings
  • 41. How many major branches are commonly identified in forensic ballistics?
A) Two
B) Six
C) Three
D) Four
  • 42. What branch studies the movement of a projectile inside a firearm?
A) External ballistics
B) Forensic pathology
C) Terminal ballistics
D) Internal ballistics
  • 43. What branch studies the movement of a projectile after it leaves the firearm?
A) External ballistics
B) Medical ballistics
C) Terminal ballistics
D) Internal ballistics
  • 44. What branch studies the effects of a projectile when it reaches its target?
A) Chemical ballistics
B) External ballistics
C) Terminal ballistics
D) Internal ballistics
  • 45. What is forensic ballistics primarily concerned with?
A) Studying weather conditions
B) Studying plants
C) Examining fingerprints only
D) Applying firearms and projectile examination to legal investigations
  • 46. Which branch deals with events occurring within the firearm before the projectile exits?
A) External ballistics
B) Forensic anthropology
C) Terminal ballistics
D) Internal ballistics
  • 47. Which branch focuses on projectile movement through the air?
A) Clinical ballistics
B) Terminal ballistics
C) External ballistics
D) Internal ballistics
  • 48. Which branch examines projectile impact and its effects on a target?
A) External ballistics
B) Document examination
C) Internal ballistics
D) Terminal ballistics
  • 49. Which branch is concerned with the scientific examination of firearms-related evidence for legal purposes?
A) Forensic ballistics
B) Serology
C) Entomology
D) Botany
  • 50. What is a projectile?
A) An object launched or propelled through the air
B) A firearm cleaning tool
C) A firearm handle
D) A cartridge case
  • 51. What is the study of a projectile's movement called?
A) Ballistics
B) Pathology
C) Anthropology
D) Toxicology
  • 52. Which branch examines the behavior of a projectile after impact?
A) Laboratory chemistry
B) External ballistics
C) Internal ballistics
D) Terminal ballistics
  • 53. Which branch is most closely related to the examination of bullet impact effects?
A) Terminal ballistics
B) Internal ballistics
C) Document examination
D) External ballistics
  • 54. Which branch studies the flight of a projectile?
    A. External b
A) Internal ballistics
B) Terminal ballistics
C) Forensic serology
D) External ballistics
  • 55. What is the main purpose of studying the branches of ballistics?
A) To understand different aspects of projectile behavior
B) To identify handwriting
C) To examine fingerprints
D) To determine blood groups
  • 56. What is a firearm?
A) A device designed to discharge a projectile through the action of expanding gases
B) A communication device
C) measuring instrument
D) kitchen appliance
  • 57. Which firearm is generally designed to be operated with one hand?
A) Handgun
B) Shotgun
C) Rifle
D) Cannon
  • 58. Which firearm typically has a long barrel and is designed to be fired from the shoulder?
A) Rifle
B) Derringer
C) Pistol
D) Revolver
  • 59. Which firearm is commonly designed to fire multiple pellets in a single shot?
A) Revolver
B) Rifle
C) Pistol
D) Shotgun
  • 60. What is a revolver?
A) A firearm with a rotating cylinder
B) firearm with no barrel
C) A type of shotgun ammunition
D) A firearm without a trigger
  • 61. What is a pistol?
A) A type of shotgun
B) A type of rifle
C) A type of cannon
D) A type of handgun
  • 62. What is a single-shot firearm?
A) A firearm without ammunition
B) A firearm designed to discharge one round before reloading
C) A firearm with multiple barrels only
D) A firearm that never fires
  • 63. A firearm capable of holding and firing multiple rounds before manual reloading
A) A firearm without a chamber
B) A firearm capable of holding and firing multiple rounds before manual reloading
C) A firearm used only for decoration
D) A firearm that cannot discharge ammunition
  • 64. What is a semi-automatic firearm?
A) A firearm that uses no ammunition
B) A firearm that fires continuously while
C) A firearm that cannot reload
D) A firearm that fires one round per trigger operation and automatically reloads
  • 65. What is a fully automatic firearm?
A) A firearm that fires only once
B) A firearm used only for display
C) firearm capable of continuous firing while the trigger is held, subject to its design
D) A firearm without a magazine
  • 66. What is the caliber of a firearm?
A) The weight of the firearm
B) The height of the firearm
C) The approximate internal diameter of the barrel or bullet diameter
D) The length of the trigger
  • 67. What is a smoothbore firearm?
A) A firearm with a magazine only
B) A firearm without a barrel
C) A firearm with a rotating cylinder
D) A firearm with a barrel that has no rifling
  • 68. What is a rifled firearm barrel?
A) A barrel without an opening
B) A barrel with spiral grooves and lands
C) barrel made only of plastic
D) A smooth metal tube without grooves
  • 69. What is the main purpose of rifling?
A) To increase the firearm's weight
B) To protect the trigger
C) To impart spin to a projectile
D) To hold the magazine
  • 70. Which of the following is a classification based on the firearm's method of operation?
A) Metallic
B) Circular
C) Semi-automatic
D) Wooden
  • 71. What is ammunition?
A) A complete cartridge or other material designed for use in a firearm
B) A firearm license
C) A firearm cleaning kit
D) A gun holster
  • 72. What is the main function of the bullet?
A) To ignite the primer
B) To serve as the projectile
C) To contain the trigger
D) To hold the firearm
  • 73. What is the cartridge case?
A) The firearm stock
B) The component that holds the cartridge components together
C) The trigger mechanism
D) The firearm barrel
  • 74. What is the function of the primer?
A) To guide the bullet after impact
B) To hold the firearm magazine
C) To protect the barrel
D) To initiate the ignition of the propellant
  • 75. What is the main function of gunpowder or propellant?
A) To identify the firearm owner
B) To hold the bullet in the target
C) To clean the barrel
D) To produce expanding gases that propel the projectile
  • 76. What is the rim of a cartridge?
A) The pointed end of the bullet
B) The firearm's trigger
C) The rear portion of the cartridge case
D) The front sight
  • 77. What is the neck of a bottleneck cartridge case?
A) The magazine spring
B) The narrowed portion that holds the bullet
C) The firearm's handle
D) The bottom of the primer
  • 78. What is the base of a cartridge case?
A) The tip of the bullet
B) The firearm's sight
C) The middle of the barrel
D) The rear portion of the case
  • 79. Which ammunition component contains the propellant?
A) Barrel
B) Cartridge case
C) Grip
D) Trigger
  • 80. What is a shotgun shell commonly called?
A) Shotshell
B) Revolver cylinder
C) Pistol grip
D) Rifle bolt
  • 81. What is a wad in shotshell ammunition?
A) A bullet mark
B) A type of trigger
C) A component that separates and supports the shot and propellant
D) A firearm sight
  • 82. What is the shot in shotgun ammunition?
A) Small pellets or projectiles
B) A firearm magazine
C) A barrel groove
D) A cartridge primer
  • 83. What is a slug?
A) A single large projectile used in shotgun ammunition
B) A type of firearm handle
C) A cartridge case marking
D) A primer component
  • 84. What is a headstamp?
A) Markings found on the base of a cartridge case
B) A mark on the trigger
C) A mark on the firearm grip
D) A scratch on the bullet tip
  • 85. Why are ammunition components important in forensic examination?
A) They automatically identify the shooter
B) They prove ownership
C) They replace witness testimony
D) They may provide information relevant to identifying ammunition type and examining firearm-related evidence
  • 86. What are class characteristics of firearms?
A) Marks caused by rust only
B) Features shared by a group of firearms
C) Unique marks found on only one firearm
D) Marks created by fingerprints
  • 87. Which is an example of a class characteristic?
A) Accidental damage
B) Caliber
C) A random toolmark
D) A unique microscopic scratch
  • 88. What are individual characteristics?
A) The firearm's color only
B) Unique microscopic marks that may distinguish one firearm from another
C) General firearm classifications
D) Features common to all firearms
  • 89. Which is an example of an individual characteristic?
A) Barrel length
B) A distinctive microscopic toolmark
C) General firearm type
D) Caliber
  • 90. What are lands and grooves?
A) Parts of the cartridge case rim
B) Raised and recessed portions inside a rifled barrel
C) Parts of the firearm's trigger
D) Components of the primer
  • 91. What are striations?
A) Large firearm parts
B) Types of ammunition
C) Firearm licenses
D) Fine linear marks on a surface
  • 92. What is the importance of class characteristics in firearm examination?
A) They prove ownership
B) They identify the shooter with certainty
C) They help narrow down possible firearm groups
D) They replace individual examination
  • 93. What is the importance of individual characteristics?
A) They prove motive
B) They identify all firearms of the same brand
C) They may help associate evidence with a particular firearm
D) They determine the age of the shooter
  • 94. What is a firing pin impression?
A) A mark made on the primer by the firing pin
B) A scratch on the stock
C) A mark on the firearm's grip
D) A mark on the bullet's tip
  • 95. What is a breech face mark?
A) A scratch on the trigger
B) A mark on the cartridge case produced by contact with the breech face
C) A mark on the firearm's sight
D) A mark on the magazine spring
  • 96. What is a microscopic comparison used for?
A) Measuring crime rates
B) Determining the suspect's personality
C) Examining similarities and differences between evidence specimens
D) Identifying handwriting
  • 97. Can class characteristics alone always identify one specific firearm?
A) No, they generally identify a group rather than one firearm
B) Yes, without examination
C) Yes, always
D) No, because they are never useful
  • 98. Why must forensic conclusions consider both class and individual characteristics
A) To avoid laboratory procedures
B) To replace chain of custody
C) To guarantee conviction
D) To provide a more complete and scientifically supported examination
  • 99. What is the main purpose of proper evidence collection?
A) To destroy evidence
B) To avoid documentation
C) To maintain evidence integrity
D) To change evidence
  • 100. Who should handle and secure firearms as evidence?
A) Media personnel
B) Untrained bystanders
C) Trained and authorized personnel
D) Any visitor
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