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