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