FORENSIC BALLISTICS
  • 1. he study of firearms, ammunition, and bullet effects is called
A) Serology
B) Toxicology
C) Dactyloscopy
D) Forensic Ballistics
  • 2. The spiral grooves inside a gun barrel are called
A) Rifling
B) Impressions
C) Bore marks
D) Lands
  • 3. The raised areas between grooves inside the firearm barrel are called
A) Nodes
B) Scratches
C) Marks
D) Lands
  • 4. Caliber The raised areas between grooves inside the firearm barrel are called
A) Trigger pull force
B) Length of barrel
C) Internal diameter of the barrel
D) Magazine capacity
  • 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) Wad
C) Primer
D) Shell
  • 6. The visible smoke and powder expelled from the muzzle is called
A) Muzzle blast
B) Flashback
C) GSR
D) Bore smoke
  • 7. Gunshot residue (GSR) is usually tested on the
A) Hair
B) Eyes
C) Hands
D) Teeth
  • 8. Which tool is designed to compare bullet striations?
A) Electron microscope
B) Compound light microscope
C) Phase contrast microscope
D) Comparison Microscope
  • 9. A bullet meant to expand upon impact is called
A) Tracer bullet
B) Rubber bullet
C) Hollow point
D) Full metal jacket
  • 10. Shotgun ammunition uses
A) Darts
B) Pellets or slugs
C) Arrows
D) Nails
  • 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) Abrasions
B) Grooves
C) Fractures
D) Striations
  • 13. The narrowing at a shotgun muzzle end is known as
A) Constriction
B) Recoil
C) Gauge
D) Choke
  • 14. Wadding is used in
A) Rifles
B) Handguns
C) Crossbows
D) Shotguns
  • 15. Powder tattooing around a wound indicates
A) Far range
B) Exit wound
C) Contact shot
D) Close range
  • 16. Entrance wounds are commonly
A) Square-shaped
B) Smaller and more circular
C) Ragged and torn
D) Larger than exit wounds
  • 17. A bullet that passes through the body produces an
A) Grease ring
B) Exit wound
C) Stellate tear
D) Abrasion collar
  • 18. A contact gunshot wound typically appears
A) Square
B) Tear-drop shaped
C) Star-shaped
D) Smooth and oval
  • 19. GSR usually contains
A) Lead, barium, antimony
B) Iron and nickel
C) Copper only
D) Gold and silver
  • 20. A fired bullet is collected using
A) Metal tweezers
B) Rubber tipped forceps
C) Bare hands
D) Magnet
  • 21. Bullet trajectory analysis primarily determines
A) Weapon brand
B) Bullet color
C) Shooter position
D) Fingerprint source
  • 22. A dud cartridge is one that:
A) Double shoots
B) Overheats
C) Fails to fire
D) Explodes in magazine
  • 23. The word “ballistics” is derived from a term meaning
A) Launch
B) Fire
C) Explosion
D) Throw
  • 24. The curved flight path of a projectile because of gravity is
A) Ricochet
B) Parabolic path
C) Deflection path
D) Shockwave
  • 25. Shotgun bore size is measured in
A) Gauge
B) Chamber units
C) Millimeters only
D) Caliber
  • 26. The bullet impact likely to cause the most deformation occurs in
A) Water
B) Soft tissue
C) Bone
D) Clothing
  • 27. A silencer mainly reduces
A) Muzzle flash
B) Noise
C) Bullet size
D) Recoil
  • 28. Bullet wipe refers to
A) Residue ring at entrance wound
B) Oil on bullet surface
C) Cleaning before firing
D) Blood smear on bullet
  • 29. Cartridge case ejections from semi-automatic firearms show marks caused by
A) Ejector and extractor
B) Trigger safety
C) Screwdriver
D) Fingerprint brushes
  • 30. Ricochet means the
A) Bullet bounces off a surface
B) Bullet explodes in flight
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) Stellate tear
B) Muzzle imprint
C) Abrasion collar
D) Grease ring
  • 33. Which firearm part leaves a firing pin impression?
A) Firing pin
B) Slide
C) Trigger
D) Safety lever
  • 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) Primer ignition and burning powder
C) Hammer force alone
D) Air pressure
  • 36. Which test detects nitrates in GSR
A) Marquis test
B) Luminol test
C) Diphenylamine test
D) Kastle-Meyer 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) Edmond Locard
B) Calvin Goddard
C) Hans Gross
D) Henry Faulds
  • 39. Excessive gunpowder burning around a target indicates
A) Old ammunition
B) Gun malfunction
C) Close-range firing
D) A ricochet
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Temperature drops
B) Gauge lowers
C) Barrel shortens
D) Distance increases
  • 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) Tattooing
C) Clot halo
D) Grease ring
  • 43. A tracer bullet contains
A) Plastic core
B) Color dye
C) Poison
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) Bore dust
B) Smokeless dust
C) Gunshot residue
D) Cartridge
  • 46. The firearm mechanism that loads and ejects cartridges is the
A) Trigger guard
B) Barrel
C) Grip
D) Action
  • 47. A slug is used in a
A) Machine gun
B) Revolver
C) Shotgun
D) Blowgun
  • 48. A fully jacketed bullet has
A) Rubber coating
B) No metallic covering
C) Half covering
D) Full metal covering
  • 49. The term for bullet deviation after hitting a surface
A) Expansion
B) Ricochet
C) Cavitation
D) Penetration
  • 50. A projectile fired from a shotgun containing multiple lead balls is a
A) Dart
B) Pellet cluster
C) Pellet load
D) Arrow
  • 51. The first practical comparison microscope was developed by
A) John Browning
B) Calvin Goddard
C) Isaac Newton
D) Carl Sagan
  • 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) Hollow point bullet
D) Full metal jacket
  • 54. Semi-automatic pistols eject cartridges due to
A) Air pressure
B) Recoil or blowback
C) Trigger pull
D) Gravity
  • 55. A tool mark caused by the slide stopping on the cartridge case is called
A) Breech face scratch
B) Lip impression
C) Chamber mark
D) Slide bite
  • 56. A cartridge case left behind at a crime scene is considered
A) Class evidence only
B) Biological evidence
C) Firearm evidence
D) Trace evidence
  • 57. The most reliable method for bullet identification is:
    A. Weight measurement
    B. Chemical analysis
    D. Caliber check
A) Chemical analysis
B) Weight measurement
C) Striation comparison
D) Caliber check
  • 58. Bullet fragments inside the body can indicate
A) Silent firing
B) Low velocity firearm
C) Hollow point usage
D) Bounce trajectory
  • 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) Tread
B) Bore
C) Rail
D) Groove
  • 61. A long gun fired from the shoulder is called a
A) Pistol
B) Rifle
C) Derringer
D) Revolver
  • 62. The speed of a bullet is measured in
A) Liters per shot
B) Feet per second
C) Meters per minute
D) Calories per second
  • 63. Which part of the firearm strikes the primer?
A) Hammer
B) Grip
C) Magazine
D) Stock
  • 64. A bullet traveling slower than the speed of sound is
A) Hypersonic
B) Sonic
C) Subsonic
D) Supersonic
  • 65. A blackened ring around an entrance wound indicates
A) Far shot
B) Ricochet
C) Ricochet
D) Contact shot
  • 66. Which firearm uses rimfire ammunition?
A) All shotguns
B) All rifles
C) All revolvers
D) Most .22 caliber guns
  • 67. The ability of a bullet to travel through material is called
A) Cavitation
B) Exposure
C) Expansion
D) Penetration
  • 68. The gas that pushes a bullet forward comes from
A) Trigger force
B) Air pressure
C) Burning gunpowder
D) Bullet friction
  • 69. Powder tattooing results from
A) Contact firing
B) Unburned powder striking skin
C) Bullet deformation
D) Smoke buildup
  • 70. Sawed-off shotguns are dangerous due to
A) Longer barrel
B) Increased pellet spread
C) Lower velocity
D) Reduced recoil
  • 71. A bullet’s path after firing is its
A) Torque
B) Trajectory
C) Friction
D) Rotation
  • 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) 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) 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) Increases
B) Decreases
C) Disappears
D) Triples
  • 76. A bullet that separates from its jacket leaving the core behind has
A) Fragmented
B) Mislabeled
C) Overpenetrated
D) Ricocheted
  • 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) Firearm type
B) Accuracy rate
C) Shooter age
D) Weapon cleanliness
  • 79. A bullet that exits and re-enters the body is known as
A) Re-entry wound
B) Shored entrance
C) Tangential wound
D) Pass-through shot
  • 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) Minimal range and high drag
B) Increased velocity
C) No change in motion
D) Greater range
  • 82. A contact shot to the head often causes a
A) Blowout of skull
B) Superficial mark
C) Non-lethal injury
D) Collar burn
  • 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) Gunpowder charge
C) Bullet jacket
D) Barrel
  • 85. Bullets that glow in flight are called
A) Incendiary rounds
B) Tracer bullets
C) Frangible rounds
D) Blank cartridges
  • 86. A breakaway in bone from a gunshot exit wound is called
A) Flaking
B) Scaling
C) Beveling
D) Cratering
  • 87. The first step in firearm safety is
A) Measure bullet caliber
B) Point the muzzle in a safe direction
C) Check magazine capacity
D) Clean the barrel
  • 88. The portion of a revolver the shooter grips is called
A) Grip
B) Cylinder
C) Fore-end
D) Rail
  • 89. The projectile in a shotgun shell is often made of
A) Glass
B) Rubber only
C) Lead
D) Wood
  • 90. A blank cartridge contains
A) No primer
B) No bullet
C) No powder
D) No case
  • 91. Over-penetration refers to
A) Failure to enter the target
B) Bullet evaporates on contact
C) Bullet exits the body
D) Bullet stops quickly
  • 92. An ejected casing hitting a nearby object could cause
A) Chamber tear
B) Secondary impact marks
C) Trigger slip
D) Breech explosion
  • 93. A sawed-off shotgun is prohibited in many countries due to
A) Easier concealment
B) Lower reliability
C) Increased recoil
D) Reduced power
  • 94. The black residue around a wound from smoke is called
A) Tattooing
B) Abrasion
C) Bruising
D) Soot
  • 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) Fabric imprint or smudging
B) Shored entrance wound
C) . No marks
D) Super clean entry
  • 97. Bullets that break into many pieces on impact are
A) Rubber bullets
B) Drone bullets
C) Frangible bullets
D) Armor-piercing bullets
  • 98. The gunpowder used in modern ammunition is mostly
A) Gun cotton only
B) Black powder
C) Flash 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) Larger than exit
C) Irregular
D) Missing
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