FORENSIC BALLISTICS
  • 1. he study of firearms, ammunition, and bullet effects is called
A) Toxicology
B) Forensic Ballistics
C) Serology
D) Dactyloscopy
  • 2. The spiral grooves inside a gun barrel are called
A) Rifling
B) Bore marks
C) Lands
D) Impressions
  • 3. The raised areas between grooves inside the firearm barrel are called
A) Nodes
B) Lands
C) Marks
D) Scratches
  • 4. Caliber The raised areas between grooves inside the firearm barrel are called
A) Trigger pull force
B) Length of barrel
C) Magazine capacity
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) Jacket
B) Shell
C) Wad
D) Primer
  • 6. The visible smoke and powder expelled from the muzzle is called
A) Bore smoke
B) Flashback
C) GSR
D) Muzzle blast
  • 7. Gunshot residue (GSR) is usually tested on the
A) Hair
B) Hands
C) Eyes
D) Teeth
  • 8. Which tool is designed to compare bullet striations?
A) Compound light microscope
B) Comparison Microscope
C) Phase contrast microscope
D) Electron microscope
  • 9. A bullet meant to expand upon impact is called
A) Hollow point
B) Rubber bullet
C) Full metal jacket
D) Tracer bullet
  • 10. Shotgun ammunition uses
A) Nails
B) Arrows
C) Darts
D) Pellets or slugs
  • 11. Unique bullet markings come from the
A) Grip
B) Barrel
C) Magazine
D) Trigger
  • 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) Constriction
B) Recoil
C) Choke
D) Gauge
  • 14. Wadding is used in
A) Rifles
B) Handguns
C) Crossbows
D) Shotguns
  • 15. Powder tattooing around a wound indicates
A) Far range
B) Close range
C) Exit wound
D) Contact shot
  • 16. Entrance wounds are commonly
A) Larger than exit wounds
B) Ragged and torn
C) Square-shaped
D) Smaller and more circular
  • 17. A bullet that passes through the body produces an
A) Abrasion collar
B) Exit wound
C) Grease ring
D) Stellate tear
  • 18. A contact gunshot wound typically appears
A) Star-shaped
B) Smooth and oval
C) Square
D) Tear-drop shaped
  • 19. GSR usually contains
A) Copper only
B) Iron and nickel
C) Lead, barium, antimony
D) Gold and silver
  • 20. A fired bullet is collected using
A) Magnet
B) Metal tweezers
C) Bare hands
D) Rubber tipped forceps
  • 21. Bullet trajectory analysis primarily determines
A) Fingerprint source
B) Shooter position
C) Weapon brand
D) Bullet color
  • 22. A dud cartridge is one that:
A) Double shoots
B) Fails to fire
C) Explodes in magazine
D) Overheats
  • 23. The word “ballistics” is derived from a term meaning
A) Launch
B) Explosion
C) Fire
D) Throw
  • 24. The curved flight path of a projectile because of gravity is
A) Shockwave
B) Ricochet
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) 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) Cleaning before firing
B) Oil on bullet surface
C) Blood smear on bullet
D) Residue ring at entrance wound
  • 29. Cartridge case ejections from semi-automatic firearms show marks caused by
A) Ejector and extractor
B) Trigger safety
C) Fingerprint brushes
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 becomes non-lethal
B) Bullet explodes in flight
C) Bullet vaporizes
D) Bullet bounces off a surface
  • 32. The imprint of the gun barrel around the entrance wound in contact shots is calle
A) Muzzle imprint
B) Abrasion collar
C) Stellate tear
D) Grease ring
  • 33. Which firearm part leaves a firing pin impression?
A) Slide
B) Firing pin
C) Trigger
D) Safety lever
  • 34. A fired cartridge case can be traced to a specific firearm using
A) Weight
B) Breech face marks
C) Sound
D) Color
  • 35. The explosion inside the cartridge occurs because of
A) Gravity
B) Primer ignition and burning powder
C) Air pressure
D) Hammer force alone
  • 36. Which test detects nitrates in GSR
A) Diphenylamine test
B) Luminol test
C) Marquis test
D) Kastle-Meyer 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) Henry Faulds
C) Edmond Locard
D) Hans Gross
  • 39. Excessive gunpowder burning around a target indicates
A) Gun malfunction
B) Old ammunition
C) Close-range firing
D) A ricochet
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Distance increases
B) Gauge lowers
C) Temperature drops
D) Barrel shortens
  • 41. A revolver differs from a semi-automatic pistol by having a
A) Gas piston
B) Cylinder
C) Magazine
D) Rotating slide
  • 42. The discoloration ring around an entry wound is called
A) Clot halo
B) Grease ring
C) Abrasion collar
D) Tattooing
  • 43. A tracer bullet contains
A) Pyrotechnic composition
B) Color dye
C) Poison
D) Plastic core
  • 44. A bullet jacket is typically made of
A) Copper
B) Plastic
C) Rubber
D) Wood
  • 45. The burned and unburned powder around a target is known as
A) Cartridge
B) Smokeless dust
C) Bore dust
D) Gunshot residue
  • 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) Revolver
B) Shotgun
C) Machine gun
D) Blowgun
  • 48. A fully jacketed bullet has
A) No metallic covering
B) Full metal covering
C) Half covering
D) Rubber coating
  • 49. The term for bullet deviation after hitting a surface
A) Expansion
B) Cavitation
C) Ricochet
D) Penetration
  • 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) Carl Sagan
B) John Browning
C) Calvin Goddard
D) Isaac Newton
  • 52. The chemical used in detecting lead on the target area is
A) Sodium rhodizonate
B) Iodine
C) Phenolphthalein
D) Benzidine
  • 53. Which bullet typically causes less penetration?
A) Full metal jacket
B) Hollow point bullet
C) Steel core bullet
D) Armor-piercing 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) Chamber mark
B) Slide bite
C) Lip impression
D) Breech face scratch
  • 56. A cartridge case left behind at a crime scene is considered
A) Firearm evidence
B) Trace evidence
C) Class evidence only
D) Biological 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) Silent firing
B) Hollow point usage
C) Low velocity firearm
D) Bounce trajectory
  • 59. Shotguns without rifling produce
A) Polygonal rifling
B) Smooth bore
C) Serrated bore
D) Lands and grooves
  • 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) Pistol
B) Revolver
C) Derringer
D) Rifle
  • 62. The speed of a bullet is measured in
A) Meters per minute
B) Calories per second
C) Liters per shot
D) Feet per second
  • 63. Which part of the firearm strikes the primer?
A) Hammer
B) Magazine
C) Stock
D) Grip
  • 64. A bullet traveling slower than the speed of sound is
A) Supersonic
B) Sonic
C) Subsonic
D) Hypersonic
  • 65. A blackened ring around an entrance wound indicates
A) Ricochet
B) Ricochet
C) Contact shot
D) Far shot
  • 66. Which firearm uses rimfire ammunition?
A) Most .22 caliber guns
B) All shotguns
C) All revolvers
D) All rifles
  • 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) Air pressure
D) Trigger force
  • 69. Powder tattooing results from
A) Contact firing
B) Bullet deformation
C) Unburned powder striking skin
D) Smoke buildup
  • 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) Friction
C) Trajectory
D) Torque
  • 72. Which term refers to the rapid temporary cavity in tissue caused by a bullet’s energy
A) Cavitation
B) Tattooing
C) Fragmentation
D) Abrasion
  • 73. The rifling twist direction may be
A) Straight only
B) None of the above
C) Right or left
D) Forward only
  • 74. . Cartridge cases from revolvers are usually:
    A. Ejected automatically
    C. Turned into fragments
    D. Melted by heat
A) Turned into fragments
B) Ejected automatically
C) Left inside the cylinder
D) Melted by heat
  • 75. The diameter of a shotgun bore increases as the gauge number
A) Disappears
B) Increases
C) Triples
D) Decreases
  • 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) Low velocity
B) Soft impact
C) Deep penetration
D) Rapid expansion
  • 78. A firing pin impression on the primer helps identify
A) Accuracy rate
B) Shooter age
C) Weapon cleanliness
D) Firearm type
  • 79. A bullet that exits and re-enters the body is known as
A) Pass-through shot
B) Re-entry wound
C) Tangential wound
D) Shored entrance
  • 80. A circular defect in glass with concentric cracks indicates
A) Chemical reaction
B) Thermal break
C) Explosion
D) Gunshot hole
  • 81. Bullets fired underwater have
A) Minimal range and high drag
B) No change in motion
C) Increased velocity
D) Greater range
  • 82. A contact shot to the head often causes a
A) Non-lethal injury
B) Superficial mark
C) Blowout of skull
D) Collar burn
  • 83. The heaviest part of a cartridge is usually the
A) Case
B) Bullet
C) Powder
D) Primer
  • 84. The flash hole connects the primer to the
A) Gunstock
B) Barrel
C) Gunpowder charge
D) Bullet jacket
  • 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) Flaking
B) Scaling
C) Cratering
D) Beveling
  • 87. The first step in firearm safety is
A) Clean the barrel
B) Measure bullet caliber
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) Grip
D) Cylinder
  • 89. The projectile in a shotgun shell is often made of
A) Wood
B) Rubber only
C) Glass
D) Lead
  • 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) Trigger slip
B) Breech explosion
C) Chamber tear
D) Secondary impact marks
  • 93. A sawed-off shotgun is prohibited in many countries due to
A) Increased recoil
B) Reduced power
C) Easier concealment
D) Lower reliability
  • 94. The black residue around a wound from smoke is called
A) Abrasion
B) Tattooing
C) Bruising
D) Soot
  • 95. GSR test reliability decreases over time because
A) GSR changes color
B) GSR becomes magnetic
C) GSR washes off or falls away
D) GSR evaporates
  • 96. A gunshot fired from inside a bag or cloth case may show
A) Shored entrance wound
B) Fabric imprint or smudging
C) Super clean entry
D) . No marks
  • 97. Bullets that break into many pieces on impact are
A) Armor-piercing bullets
B) Drone bullets
C) Frangible bullets
D) Rubber bullets
  • 98. The gunpowder used in modern ammunition is mostly
A) Flash powder
B) Black powder
C) Gun cotton only
D) Smokeless powder
  • 99. The backspatter of blood toward the shooter usually indicates
A) Bullet ricochet
B) Contact or close-range shot
C) Gun malfunction
D) Far-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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