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