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