FORENSIC BALLISTICS
  • 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) Impressions
B) Lands
C) Bore marks
D) Rifling
  • 3. The raised areas between grooves inside the firearm barrel are called
A) Lands
B) Marks
C) Nodes
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) Length of barrel
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) Shell
B) Primer
C) Wad
D) Jacket
  • 6. The visible smoke and powder expelled from the muzzle is called
A) Muzzle blast
B) Bore smoke
C) GSR
D) Flashback
  • 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) Electron microscope
B) Phase contrast microscope
C) Compound light microscope
D) Comparison Microscope
  • 9. A bullet meant to expand upon impact is called
A) Full metal jacket
B) Rubber bullet
C) Tracer bullet
D) Hollow point
  • 10. Shotgun ammunition uses
A) Arrows
B) Nails
C) Darts
D) Pellets or slugs
  • 11. Unique bullet markings come from the
A) Magazine
B) Barrel
C) Grip
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) Gauge
B) Constriction
C) Choke
D) Recoil
  • 14. Wadding is used in
A) Rifles
B) Shotguns
C) Handguns
D) Crossbows
  • 15. Powder tattooing around a wound indicates
A) Exit wound
B) Far range
C) Close range
D) Contact shot
  • 16. Entrance wounds are commonly
A) Ragged and torn
B) Larger than exit wounds
C) Square-shaped
D) Smaller and more circular
  • 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) Tear-drop shaped
B) Star-shaped
C) Square
D) Smooth and oval
  • 19. GSR usually contains
A) Iron and nickel
B) Gold and silver
C) Lead, barium, antimony
D) Copper only
  • 20. A fired bullet is collected using
A) Bare hands
B) Rubber tipped forceps
C) Magnet
D) Metal tweezers
  • 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) Fails to fire
B) Double shoots
C) Explodes in magazine
D) Overheats
  • 23. The word “ballistics” is derived from a term meaning
A) Throw
B) Explosion
C) Launch
D) Fire
  • 24. The curved flight path of a projectile because of gravity is
A) Parabolic path
B) Shockwave
C) Deflection path
D) Ricochet
  • 25. Shotgun bore size is measured in
A) Caliber
B) Chamber units
C) Millimeters only
D) Gauge
  • 26. The bullet impact likely to cause the most deformation occurs in
A) Soft tissue
B) Bone
C) Water
D) Clothing
  • 27. A silencer mainly reduces
A) Bullet size
B) Muzzle flash
C) Noise
D) Recoil
  • 28. Bullet wipe refers to
A) Residue ring at entrance wound
B) Cleaning before firing
C) Blood smear on bullet
D) Oil on bullet surface
  • 29. Cartridge case ejections from semi-automatic firearms show marks caused by
A) Fingerprint brushes
B) Trigger safety
C) Screwdriver
D) Ejector and extractor
  • 30. Ricochet means the
A) Bullet bounces off a surface
B) Bullet becomes non-lethal
C) Bullet explodes in flight
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) Abrasion collar
B) Muzzle imprint
C) Grease ring
D) Stellate tear
  • 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) Color
B) Sound
C) Breech face marks
D) Weight
  • 35. The explosion inside the cartridge occurs because of
A) Gravity
B) Hammer force alone
C) Air pressure
D) Primer ignition and burning powder
  • 36. Which test detects nitrates in GSR
A) Luminol test
B) Diphenylamine test
C) Kastle-Meyer test
D) Marquis test
  • 37. A class characteristic on a bullet refers to
A) Unique individual scratches
B) Manufacturer-wide features
C) Post-impact damage
D) Accidental imperfection
  • 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) Close-range firing
B) A ricochet
C) Gun malfunction
D) Old ammunition
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Distance increases
B) Barrel shortens
C) Temperature drops
D) Gauge lowers
  • 41. A revolver differs from a semi-automatic pistol by having a
A) Magazine
B) Gas piston
C) Cylinder
D) Rotating slide
  • 42. The discoloration ring around an entry wound is called
A) Abrasion collar
B) Clot halo
C) Tattooing
D) Grease ring
  • 43. A tracer bullet contains
A) Pyrotechnic composition
B) Poison
C) Color dye
D) Plastic core
  • 44. A bullet jacket is typically made of
A) Copper
B) Wood
C) Plastic
D) Rubber
  • 45. The burned and unburned powder around a target is known as
A) Cartridge
B) Smokeless dust
C) Gunshot residue
D) Bore dust
  • 46. The firearm mechanism that loads and ejects cartridges is the
A) Action
B) Grip
C) Barrel
D) Trigger guard
  • 47. A slug is used in a
A) Blowgun
B) Revolver
C) Shotgun
D) Machine gun
  • 48. A fully jacketed bullet has
A) Rubber coating
B) Half covering
C) No metallic covering
D) Full metal covering
  • 49. The term for bullet deviation after hitting a surface
A) Cavitation
B) Ricochet
C) Penetration
D) Expansion
  • 50. A projectile fired from a shotgun containing multiple lead balls is a
A) Pellet cluster
B) Dart
C) Pellet load
D) Arrow
  • 51. The first practical comparison microscope was developed by
A) John Browning
B) Carl Sagan
C) Isaac Newton
D) Calvin Goddard
  • 52. The chemical used in detecting lead on the target area is
A) Sodium rhodizonate
B) Benzidine
C) Iodine
D) Phenolphthalein
  • 53. Which bullet typically causes less penetration?
A) Steel core bullet
B) Full metal jacket
C) Hollow point bullet
D) Armor-piercing bullet
  • 54. Semi-automatic pistols eject cartridges due to
A) Trigger pull
B) Gravity
C) Recoil or blowback
D) Air pressure
  • 55. A tool mark caused by the slide stopping on the cartridge case is called
A) Slide bite
B) Breech face scratch
C) Chamber mark
D) Lip impression
  • 56. A cartridge case left behind at a crime scene is considered
A) Trace evidence
B) Biological evidence
C) Firearm evidence
D) Class evidence only
  • 57. The most reliable method for bullet identification is:
    A. Weight measurement
    B. Chemical analysis
    D. Caliber check
A) Caliber check
B) Striation comparison
C) Weight measurement
D) Chemical analysis
  • 58. Bullet fragments inside the body can indicate
A) Hollow point usage
B) Silent firing
C) Bounce trajectory
D) Low velocity firearm
  • 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) Groove
B) Bore
C) Tread
D) Rail
  • 61. A long gun fired from the shoulder is called a
A) Pistol
B) Revolver
C) Rifle
D) Derringer
  • 62. The speed of a bullet is measured in
A) Liters per shot
B) Calories per second
C) Meters per minute
D) Feet per second
  • 63. Which part of the firearm strikes the primer?
A) Grip
B) Magazine
C) Stock
D) Hammer
  • 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) Ricochet
B) Contact shot
C) Far shot
D) Ricochet
  • 66. Which firearm uses rimfire ammunition?
A) All shotguns
B) Most .22 caliber guns
C) All revolvers
D) All rifles
  • 67. The ability of a bullet to travel through material is called
A) Expansion
B) Cavitation
C) Penetration
D) Exposure
  • 68. The gas that pushes a bullet forward comes from
A) Burning gunpowder
B) Trigger force
C) Air pressure
D) Bullet friction
  • 69. Powder tattooing results from
A) Smoke buildup
B) Bullet deformation
C) Unburned powder striking skin
D) Contact firing
  • 70. Sawed-off shotguns are dangerous due to
A) Longer barrel
B) Increased pellet spread
C) Reduced recoil
D) Lower velocity
  • 71. A bullet’s path after firing is its
A) Rotation
B) Torque
C) Trajectory
D) Friction
  • 72. Which term refers to the rapid temporary cavity in tissue caused by a bullet’s energy
A) Abrasion
B) Tattooing
C) Fragmentation
D) Cavitation
  • 73. The rifling twist direction may be
A) Right or left
B) None of the above
C) Straight only
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) Ejected automatically
C) Left inside the cylinder
D) Turned into fragments
  • 75. The diameter of a shotgun bore increases as the gauge number
A) Increases
B) Disappears
C) Decreases
D) Triples
  • 76. A bullet that separates from its jacket leaving the core behind has
A) Overpenetrated
B) Mislabeled
C) Fragmented
D) Ricocheted
  • 77. Full metal jacket bullets are mainly used for
A) Low velocity
B) Deep penetration
C) Rapid expansion
D) Soft impact
  • 78. A firing pin impression on the primer helps identify
A) Shooter age
B) Accuracy rate
C) Weapon cleanliness
D) Firearm type
  • 79. A bullet that exits and re-enters the body is known as
A) Re-entry wound
B) Tangential wound
C) Pass-through shot
D) Shored entrance
  • 80. A circular defect in glass with concentric cracks indicates
A) Explosion
B) Gunshot hole
C) Chemical reaction
D) Thermal break
  • 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) Non-lethal injury
C) Blowout of skull
D) Superficial mark
  • 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) Barrel
B) Bullet jacket
C) Gunpowder charge
D) Gunstock
  • 85. Bullets that glow in flight are called
A) Tracer bullets
B) Blank cartridges
C) Incendiary rounds
D) Frangible rounds
  • 86. A breakaway in bone from a gunshot exit wound is called
A) Scaling
B) Beveling
C) Flaking
D) Cratering
  • 87. The first step in firearm safety is
A) Clean the barrel
B) Point the muzzle in a safe direction
C) Measure bullet caliber
D) Check magazine capacity
  • 88. The portion of a revolver the shooter grips is called
A) Grip
B) Cylinder
C) Rail
D) Fore-end
  • 89. The projectile in a shotgun shell is often made of
A) Wood
B) Lead
C) Glass
D) Rubber only
  • 90. A blank cartridge contains
A) No primer
B) No bullet
C) No case
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) Breech explosion
C) Trigger slip
D) Chamber tear
  • 93. A sawed-off shotgun is prohibited in many countries due to
A) Reduced power
B) Easier concealment
C) Lower reliability
D) Increased recoil
  • 94. The black residue around a wound from smoke is called
A) Bruising
B) Abrasion
C) Tattooing
D) Soot
  • 95. GSR test reliability decreases over time because
A) GSR evaporates
B) GSR becomes magnetic
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) Fabric imprint or smudging
B) . No marks
C) Shored entrance wound
D) Super clean entry
  • 97. Bullets that break into many pieces on impact are
A) Frangible bullets
B) Drone bullets
C) Rubber bullets
D) Armor-piercing 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) Gun malfunction
B) Bullet ricochet
C) Far-range shot
D) Contact or close-range shot
  • 100. When a bullet penetrates glass, the entrance hole is usually
A) Missing
B) Larger than exit
C) Irregular
D) Smaller and smoother
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