FORENSIC BALLISTICS
  • 1. he study of firearms, ammunition, and bullet effects is called
A) Forensic Ballistics
B) Toxicology
C) Serology
D) Dactyloscopy
  • 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) Scratches
B) Lands
C) Nodes
D) Marks
  • 4. Caliber The raised areas between grooves inside the firearm barrel are called
A) Trigger pull force
B) Magazine capacity
C) Internal diameter of the barrel
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) Jacket
C) Wad
D) Shell
  • 6. The visible smoke and powder expelled from the muzzle is called
A) Bore smoke
B) Muzzle blast
C) Flashback
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) 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) Tracer bullet
C) Hollow point
D) Rubber bullet
  • 10. Shotgun ammunition uses
A) Darts
B) Nails
C) Arrows
D) Pellets or slugs
  • 11. Unique bullet markings come from the
A) Trigger
B) Barrel
C) Grip
D) Magazine
  • 12. Microscopic scratches on a fired bullet are called
A) Striations
B) Abrasions
C) Grooves
D) Fractures
  • 13. The narrowing at a shotgun muzzle end is known as
A) Constriction
B) Choke
C) Gauge
D) Recoil
  • 14. Wadding is used in
A) Shotguns
B) Handguns
C) Rifles
D) Crossbows
  • 15. Powder tattooing around a wound indicates
A) Far range
B) Close range
C) Contact shot
D) Exit wound
  • 16. Entrance wounds are commonly
A) Ragged and torn
B) Smaller and more circular
C) Larger than exit wounds
D) Square-shaped
  • 17. A bullet that passes through the body produces an
A) Exit wound
B) Grease ring
C) Abrasion collar
D) Stellate tear
  • 18. A contact gunshot wound typically appears
A) Star-shaped
B) Tear-drop shaped
C) Square
D) Smooth and oval
  • 19. GSR usually contains
A) Gold and silver
B) Copper only
C) Lead, barium, antimony
D) Iron and nickel
  • 20. A fired bullet is collected using
A) Magnet
B) Metal tweezers
C) Rubber tipped forceps
D) Bare hands
  • 21. Bullet trajectory analysis primarily determines
A) Weapon brand
B) Shooter position
C) Bullet color
D) Fingerprint source
  • 22. A dud cartridge is one that:
A) Explodes in magazine
B) Overheats
C) Fails to fire
D) Double shoots
  • 23. The word “ballistics” is derived from a term meaning
A) Explosion
B) Launch
C) Fire
D) Throw
  • 24. The curved flight path of a projectile because of gravity is
A) Shockwave
B) Deflection path
C) Parabolic path
D) Ricochet
  • 25. Shotgun bore size is measured in
A) Caliber
B) Gauge
C) Chamber units
D) Millimeters only
  • 26. The bullet impact likely to cause the most deformation occurs in
A) Soft tissue
B) Bone
C) Clothing
D) Water
  • 27. A silencer mainly reduces
A) Recoil
B) Muzzle flash
C) Bullet size
D) Noise
  • 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) Screwdriver
B) Trigger safety
C) Fingerprint brushes
D) Ejector and extractor
  • 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 bounces off a surface
B) Bullet becomes non-lethal
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) Muzzle imprint
B) Stellate tear
C) Grease ring
D) Abrasion collar
  • 33. Which firearm part leaves a firing pin impression?
A) Firing pin
B) Safety lever
C) Trigger
D) Slide
  • 34. A fired cartridge case can be traced to a specific firearm using
A) Sound
B) Color
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) Marquis test
D) Kastle-Meyer test
  • 37. A class characteristic on a bullet refers to
A) Accidental imperfection
B) Manufacturer-wide features
C) Unique individual scratches
D) Post-impact damage
  • 38. he first person to apply ballistics to criminal investigation
A) Calvin Goddard
B) Hans Gross
C) Henry Faulds
D) Edmond Locard
  • 39. Excessive gunpowder burning around a target indicates
A) Close-range firing
B) A ricochet
C) Old ammunition
D) Gun malfunction
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Distance increases
B) Temperature drops
C) Gauge lowers
D) Barrel shortens
  • 41. A revolver differs from a semi-automatic pistol by having a
A) Rotating slide
B) Magazine
C) Gas piston
D) Cylinder
  • 42. The discoloration ring around an entry wound is called
A) Tattooing
B) Clot halo
C) Grease ring
D) Abrasion collar
  • 43. A tracer bullet contains
A) Color dye
B) Plastic core
C) Pyrotechnic composition
D) Poison
  • 44. A bullet jacket is typically made of
A) Rubber
B) Copper
C) Wood
D) Plastic
  • 45. The burned and unburned powder around a target is known as
A) Bore dust
B) Gunshot residue
C) Smokeless dust
D) Cartridge
  • 46. The firearm mechanism that loads and ejects cartridges is the
A) Trigger guard
B) Action
C) Grip
D) Barrel
  • 47. A slug is used in a
A) Revolver
B) Machine gun
C) Blowgun
D) Shotgun
  • 48. A fully jacketed bullet has
A) No metallic covering
B) Rubber coating
C) Half covering
D) Full metal covering
  • 49. The term for bullet deviation after hitting a surface
A) Ricochet
B) Expansion
C) Penetration
D) Cavitation
  • 50. A projectile fired from a shotgun containing multiple lead balls is a
A) Pellet load
B) Arrow
C) Pellet cluster
D) Dart
  • 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) Phenolphthalein
C) Benzidine
D) Iodine
  • 53. Which bullet typically causes less penetration?
A) Armor-piercing bullet
B) Steel core bullet
C) Full metal jacket
D) Hollow point bullet
  • 54. Semi-automatic pistols eject cartridges due to
A) Trigger pull
B) Gravity
C) Air pressure
D) Recoil or blowback
  • 55. A tool mark caused by the slide stopping on the cartridge case is called
A) Breech face scratch
B) Lip impression
C) Slide bite
D) Chamber mark
  • 56. A cartridge case left behind at a crime scene is considered
A) Class evidence only
B) Trace evidence
C) Biological evidence
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) Chemical analysis
C) Caliber check
D) Striation comparison
  • 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) Serrated bore
B) Smooth bore
C) Lands and grooves
D) Polygonal rifling
  • 60. The area inside the barrel is called the
A) Groove
B) Tread
C) Rail
D) Bore
  • 61. A long gun fired from the shoulder is called a
A) Pistol
B) Rifle
C) Revolver
D) Derringer
  • 62. The speed of a bullet is measured in
A) Liters per shot
B) Meters per minute
C) Calories per second
D) Feet per second
  • 63. Which part of the firearm strikes the primer?
A) Stock
B) Magazine
C) Grip
D) Hammer
  • 64. A bullet traveling slower than the speed of sound is
A) Subsonic
B) Supersonic
C) Sonic
D) Hypersonic
  • 65. A blackened ring around an entrance wound indicates
A) Ricochet
B) Far shot
C) Ricochet
D) Contact shot
  • 66. Which firearm uses rimfire ammunition?
A) All revolvers
B) All rifles
C) All shotguns
D) Most .22 caliber guns
  • 67. The ability of a bullet to travel through material is called
A) Penetration
B) Cavitation
C) Expansion
D) Exposure
  • 68. The gas that pushes a bullet forward comes from
A) Air pressure
B) Bullet friction
C) Trigger force
D) Burning gunpowder
  • 69. Powder tattooing results from
A) Unburned powder striking skin
B) Contact firing
C) Bullet deformation
D) Smoke buildup
  • 70. Sawed-off shotguns are dangerous due to
A) Lower velocity
B) Longer barrel
C) Reduced recoil
D) Increased pellet spread
  • 71. A bullet’s path after firing is its
A) Trajectory
B) Torque
C) Rotation
D) Friction
  • 72. Which term refers to the rapid temporary cavity in tissue caused by a bullet’s energy
A) Fragmentation
B) Cavitation
C) Tattooing
D) Abrasion
  • 73. The rifling twist direction may be
A) Forward only
B) Straight 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) Ejected automatically
B) Left inside the cylinder
C) Turned into fragments
D) Melted by heat
  • 75. The diameter of a shotgun bore increases as the gauge number
A) Decreases
B) Disappears
C) Increases
D) Triples
  • 76. A bullet that separates from its jacket leaving the core behind has
A) Mislabeled
B) Overpenetrated
C) Fragmented
D) Ricocheted
  • 77. Full metal jacket bullets are mainly used for
A) Deep penetration
B) Soft impact
C) Rapid expansion
D) Low velocity
  • 78. A firing pin impression on the primer helps identify
A) Accuracy rate
B) Weapon cleanliness
C) Firearm type
D) Shooter age
  • 79. A bullet that exits and re-enters the body is known as
A) Shored entrance
B) Re-entry wound
C) Pass-through shot
D) Tangential wound
  • 80. A circular defect in glass with concentric cracks indicates
A) Thermal break
B) Gunshot hole
C) Explosion
D) Chemical reaction
  • 81. Bullets fired underwater have
A) No change in motion
B) Greater range
C) Increased velocity
D) Minimal range and high drag
  • 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) Primer
B) Bullet
C) Powder
D) Case
  • 84. The flash hole connects the primer to the
A) Bullet jacket
B) Barrel
C) Gunstock
D) Gunpowder charge
  • 85. Bullets that glow in flight are called
A) Blank cartridges
B) Tracer bullets
C) Frangible rounds
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) Rail
B) Grip
C) Fore-end
D) Cylinder
  • 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 bullet
B) No powder
C) No case
D) No primer
  • 91. Over-penetration refers to
A) Bullet stops quickly
B) Failure to enter the target
C) Bullet evaporates on contact
D) Bullet exits the body
  • 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) Increased recoil
B) Easier concealment
C) Lower reliability
D) Reduced power
  • 94. The black residue around a wound from smoke is called
A) Abrasion
B) Tattooing
C) Soot
D) Bruising
  • 95. GSR test reliability decreases over time because
A) GSR becomes magnetic
B) GSR changes color
C) GSR washes off or falls away
D) GSR evaporates
  • 96. A gunshot fired from inside a bag or cloth case may show
A) . No marks
B) Shored entrance wound
C) Fabric imprint or smudging
D) Super clean entry
  • 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) Smokeless powder
B) Black powder
C) Gun cotton only
D) Flash powder
  • 99. The backspatter of blood toward the shooter usually indicates
A) Far-range shot
B) Contact or close-range shot
C) Gun malfunction
D) Bullet ricochet
  • 100. When a bullet penetrates glass, the entrance hole is usually
A) Irregular
B) Smaller and smoother
C) Missing
D) Larger than exit
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