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