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FS 6: Forensic Ballistics - Quiz
Contributed by: Edradan
(Original author: Ogoc)
  • 1. the study of firearms, ammunition, and bullet effects is called
A) Forensic Ballistics
B) Toxicology
C) Serology
D) Dactyloscopy
  • 2. The spiral grooves inside a gun barrel are called
A) Bore marks
B) Rifling
C) Impressions
D) Lands
  • 3. The raised areas between grooves inside the firearm barrel are called
A) Scratches
B) Nodes
C) Lands
D) Marks
  • 4. Caliber The raised areas between grooves inside the firearm barrel are called
A) Internal diameter of the barrel
B) Length of barrel
C) Trigger pull force
D) Magazine capacity
  • 5. The primary component in a cartridge that ignites gunpowder is:
A) Shell
B) Wad
C) Primer
D) Jacket
  • 6. The visible smoke and powder expelled from the muzzle is called
A) GSR
B) Bore smoke
C) Flashback
D) Muzzle blast
  • 7. Gunshot residue (GSR) is usually tested on the
A) Hands
B) Hair
C) Eyes
D) Teeth
  • 8. Which tool is designed to compare bullet striations?
A) Compound light microscope
B) Electron microscope
C) Comparison Microscope
D) Phase contrast microscope
  • 9. A bullet meant to expand upon impact is called
A) Full metal jacket
B) Hollow point
C) Rubber bullet
D) Tracer bullet
  • 10. Shotgun ammunition uses
A) Nails
B) Pellets or slugs
C) Arrows
D) Darts
  • 11. Unique bullet markings come from the
A) Trigger
B) Barrel
C) Grip
D) Magazine
  • 12. Microscopic scratches on a fired bullet are called
A) Abrasions
B) Grooves
C) Fractures
D) Striations
  • 13. The narrowing at a shotgun muzzle end is known as
A) Recoil
B) Constriction
C) Choke
D) Gauge
  • 14. Wadding is used in
A) Rifles
B) Shotguns
C) Handguns
D) Crossbows
  • 15. Powder tattooing around a wound indicates
A) Contact shot
B) Close range
C) Far range
D) Exit wound
  • 16. Entrance wounds are commonly
A) Ragged and torn
B) Square-shaped
C) Larger than exit wounds
D) Smaller and more circular
  • 17. A bullet that passes through the body produces an
A) Abrasion collar
B) Exit wound
C) Stellate tear
D) Grease ring
  • 18. A contact gunshot wound typically appears
A) Smooth and oval
B) Star-shaped
C) Square
D) Tear-drop shaped
  • 19. GSR usually contains
A) Copper only
B) Lead, barium, antimony
C) Gold and silver
D) Iron and nickel
  • 20. A fired bullet is collected using
A) Magnet
B) Rubber tipped forceps
C) Bare hands
D) Metal tweezers
  • 21. Bullet trajectory analysis primarily determines
A) Weapon brand
B) Shooter position
C) Bullet color
D) Fingerprint source
  • 22. A dud cartridge is one that:
A) Explodes in magazine
B) Fails to fire
C) Double shoots
D) Overheats
  • 23. The word “ballistics” is derived from a term meaning
A) Throw
B) Launch
C) Explosion
D) Fire
  • 24. The curved flight path of a projectile because of gravity is
A) Deflection path
B) Ricochet
C) Parabolic path
D) Shockwave
  • 25. Shotgun bore size is measured in
A) Gauge
B) Millimeters only
C) Caliber
D) Chamber units
  • 26. The bullet impact likely to cause the most deformation occurs in
A) Soft tissue
B) Water
C) Bone
D) Clothing
  • 27. A silencer mainly reduces
A) Muzzle flash
B) Recoil
C) Noise
D) Bullet size
  • 28. Bullet wipe refers to
A) Blood smear on bullet
B) Oil on bullet surface
C) Residue ring at entrance wound
D) Cleaning before firing
  • 29. Cartridge case ejections from semi-automatic firearms show marks caused by
A) Trigger safety
B) Ejector and extractor
C) Screwdriver
D) Fingerprint brushes
  • 30. Ricochet means the
A) Bullet explodes in flight
B) Bullet becomes non-lethal
C) Bullet bounces off a surface
D) Bullet vaporizes
  • 31. Ricochet means the
A) Bullet explodes in flight
B) Bullet bounces off a surface
C) Bullet vaporizes
D) Bullet becomes non-lethal
  • 32. The imprint of the gun barrel around the entrance wound in contact shots is calle
A) Abrasion collar
B) Muzzle imprint
C) Stellate tear
D) Grease ring
  • 33. Which firearm part leaves a firing pin impression?
A) Trigger
B) Slide
C) Safety lever
D) Firing pin
  • 34. A fired cartridge case can be traced to a specific firearm using
A) Breech face marks
B) Weight
C) Color
D) Sound
  • 35. The explosion inside the cartridge occurs because of
A) Primer ignition and burning powder
B) Air pressure
C) Hammer force alone
D) Gravity
  • 36. Which test detects nitrates in GSR
A) Luminol test
B) Diphenylamine test
C) Marquis test
D) Kastle-Meyer test
  • 37. A class characteristic on a bullet refers to
A) Accidental imperfection
B) Post-impact damage
C) Unique individual scratches
D) Manufacturer-wide features
  • 38. The first person to apply ballistics to criminal investigation
A) Edmond Locard
B) Hans Gross
C) Henry Faulds
D) Calvin Goddard
  • 39. Excessive gunpowder burning around a target indicates
A) Old ammunition
B) Close-range firing
C) Gun malfunction
D) A ricochet
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Barrel shortens
B) Distance increases
C) Temperature drops
D) Gauge lowers
  • 41. A revolver differs from a semi-automatic pistol by having a
A) Magazine
B) Gas piston
C) Rotating slide
D) Cylinder
  • 42. The discoloration ring around an entry wound is called
A) Abrasion collar
B) Clot halo
C) Tattooing
D) Grease ring
  • 43. A tracer bullet contains
A) Color dye
B) Plastic core
C) Pyrotechnic composition
D) Poison
  • 44. A bullet jacket is typically made of
A) Wood
B) Rubber
C) Plastic
D) Copper
  • 45. The burned and unburned powder around a target is known as
A) Cartridge
B) Gunshot residue
C) Smokeless dust
D) Bore dust
  • 46. The firearm mechanism that loads and ejects cartridges is the
A) Barrel
B) Action
C) Trigger guard
D) Grip
  • 47. A slug is used in a
A) Shotgun
B) Revolver
C) Machine gun
D) Blowgun
  • 48. A fully jacketed bullet has
A) Full metal covering
B) No metallic covering
C) Rubber coating
D) Half covering
  • 49. The term for bullet deviation after hitting a surface
A) Ricochet
B) Cavitation
C) Penetration
D) Expansion
  • 50. A projectile fired from a shotgun containing multiple lead balls is a
A) Dart
B) Pellet cluster
C) Arrow
D) Pellet load
  • 51. The first practical comparison microscope was developed by
A) Isaac Newton
B) John Browning
C) Carl Sagan
D) Calvin Goddard
  • 52. The chemical used in detecting lead on the target area is
A) Iodine
B) Benzidine
C) Phenolphthalein
D) Sodium rhodizonate
  • 53. Which bullet typically causes less penetration?
A) Steel core bullet
B) Armor-piercing bullet
C) Full metal jacket
D) Hollow point bullet
  • 54. Semi-automatic pistols eject cartridges due to
A) Air pressure
B) Gravity
C) Trigger pull
D) Recoil or blowback
  • 55. A tool mark caused by the slide stopping on the cartridge case is called
A) Breech face scratch
B) Chamber mark
C) Slide bite
D) Lip impression
  • 56. A cartridge case left behind at a crime scene is considered
A) Class evidence only
B) Biological evidence
C) Trace evidence
D) Firearm evidence
  • 57. The most reliable method for bullet identification is:
A) Caliber check
B) Striation comparison
C) Weight measurement
D) Chemical analysis
  • 58. Bullet fragments inside the body can indicate
A) Silent firing
B) Bounce trajectory
C) Low velocity firearm
D) Hollow point usage
  • 59. Shotguns without rifling produce
A) Smooth bore
B) Serrated bore
C) Lands and grooves
D) Polygonal rifling
  • 60. The area inside the barrel is called the
A) Tread
B) Bore
C) Rail
D) Groove
  • 61. A long gun fired from the shoulder is called a
A) Derringer
B) Revolver
C) Rifle
D) Pistol
  • 62. The speed of a bullet is measured in
A) Liters per shot
B) Feet per second
C) Calories per second
D) Meters per minute
  • 63. Which part of the firearm strikes the primer?
A) Grip
B) Magazine
C) Stock
D) Hammer
  • 64. A bullet traveling slower than the speed of sound is
A) Supersonic
B) Sonic
C) Hypersonic
D) Subsonic
  • 65. A blackened ring around an entrance wound indicates
A) Ricochet
B) Far shot
C) Ricochet
D) Contact shot
  • 66. Which firearm uses rimfire ammunition?
A) All rifles
B) Most .22 caliber guns
C) All revolvers
D) All shotguns
  • 67. The ability of a bullet to travel through material is called
A) Expansion
B) Penetration
C) Cavitation
D) Exposure
  • 68. The gas that pushes a bullet forward comes from
A) Bullet friction
B) Trigger force
C) Burning gunpowder
D) Air pressure
  • 69. Powder tattooing results from
A) Unburned powder striking skin
B) Bullet deformation
C) Smoke buildup
D) Contact firing
  • 70. Sawed-off shotguns are dangerous due to
A) Longer barrel
B) Reduced recoil
C) Increased pellet spread
D) Lower velocity
  • 71. A bullet’s path after firing is its
A) Rotation
B) Trajectory
C) Torque
D) Friction
  • 72. Which term refers to the rapid temporary cavity in tissue caused by a bullet’s energy
A) Tattooing
B) Cavitation
C) Abrasion
D) Fragmentation
  • 73. The rifling twist direction may be
A) Forward only
B) None of the above
C) Straight only
D) Right or left
  • 74. Cartridge cases from revolvers are usually:
A) Left inside the cylinder
B) Ejected automatically
C) Melted by heat
D) Turned into fragments
  • 75. The diameter of a shotgun bore increases as the gauge number
A) Triples
B) Increases
C) Decreases
D) Disappears
  • 76. A bullet that separates from its jacket leaving the core behind has
A) Overpenetrated
B) Fragmented
C) Ricocheted
D) Mislabeled
  • 77. Full metal jacket bullets are mainly used for
A) Rapid expansion
B) Soft impact
C) Deep penetration
D) Low velocity
  • 78. A firing pin impression on the primer helps identify
A) Weapon cleanliness
B) Shooter age
C) Firearm type
D) Accuracy rate
  • 79. A bullet that exits and re-enters the body is known as
A) Shored entrance
B) Re-entry wound
C) Tangential wound
D) Pass-through shot
  • 80. A circular defect in glass with concentric cracks indicates
A) Gunshot hole
B) Chemical reaction
C) Thermal break
D) Explosion
  • 81. Bullets fired underwater have
A) Greater range
B) No change in motion
C) Minimal range and high drag
D) Increased velocity
  • 82. A contact shot to the head often causes a
A) Collar burn
B) Superficial mark
C) Non-lethal injury
D) Blowout of skull
  • 83. The heaviest part of a cartridge is usually the
A) Bullet
B) Powder
C) Case
D) Primer
  • 84. The flash hole connects the primer to the
A) Bullet jacket
B) Gunstock
C) Gunpowder charge
D) Barrel
  • 85. Bullets that glow in flight are called
A) Incendiary rounds
B) Blank cartridges
C) Frangible rounds
D) Tracer bullets
  • 86. A breakaway in bone from a gunshot exit wound is called
A) Cratering
B) Scaling
C) Flaking
D) Beveling
  • 87. The first step in firearm safety is
A) Clean the barrel
B) Measure bullet caliber
C) Point the muzzle in a safe direction
D) Check magazine capacity
  • 88. The portion of a revolver the shooter grips is called
A) Cylinder
B) Rail
C) Grip
D) Fore-end
  • 89. The projectile in a shotgun shell is often made of
A) Lead
B) Wood
C) Rubber only
D) Glass
  • 90. A blank cartridge contains
A) No primer
B) No case
C) No bullet
D) No powder
  • 91. Over-penetration refers to
A) Bullet exits the body
B) Bullet stops quickly
C) Failure to enter the target
D) Bullet evaporates on contact
  • 92. An ejected casing hitting a nearby object could cause
A) Breech explosion
B) Secondary impact marks
C) Chamber tear
D) Trigger slip
  • 93. A sawed-off shotgun is prohibited in many countries due to
A) Lower reliability
B) Increased recoil
C) Easier concealment
D) Reduced power
  • 94. The black residue around a wound from smoke is called
A) Bruising
B) Tattooing
C) Abrasion
D) Soot
  • 95. GSR test reliability decreases over time because
A) GSR washes off or falls away
B) GSR changes color
C) GSR becomes magnetic
D) GSR evaporates
  • 96. A gunshot fired from inside a bag or cloth case may show
A) Shored entrance wound
B) Super clean entry
C) . No marks
D) Fabric imprint or smudging
  • 97. Bullets that break into many pieces on impact are
A) Armor-piercing bullets
B) Rubber bullets
C) Frangible bullets
D) Drone bullets
  • 98. The gunpowder used in modern ammunition is mostly
A) Gun cotton only
B) Smokeless powder
C) Black powder
D) Flash powder
  • 99. The backspatter of blood toward the shooter usually indicates
A) Gun malfunction
B) Contact or close-range shot
C) Far-range shot
D) Bullet ricochet
  • 100. When a bullet penetrates glass, the entrance hole is usually
A) Irregular
B) Missing
C) Smaller and smoother
D) Larger than exit
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