FORENSIC BALLISTICS
  • 1. he study of firearms, ammunition, and bullet effects is called
A) Dactyloscopy
B) Forensic Ballistics
C) Toxicology
D) Serology
  • 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) Marks
D) Nodes
  • 4. Caliber The raised areas between grooves inside the firearm barrel are called
A) Length of barrel
B) Internal diameter of the barrel
C) Trigger pull force
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) Shell
C) Wad
D) Primer
  • 6. The visible smoke and powder expelled from the muzzle is called
A) Flashback
B) Muzzle blast
C) Bore smoke
D) GSR
  • 7. Gunshot residue (GSR) is usually tested on the
A) Hair
B) Teeth
C) Hands
D) Eyes
  • 8. Which tool is designed to compare bullet striations?
A) Compound light microscope
B) Electron microscope
C) Phase contrast microscope
D) Comparison Microscope
  • 9. A bullet meant to expand upon impact is called
A) Rubber bullet
B) Tracer bullet
C) Hollow point
D) Full metal jacket
  • 10. Shotgun ammunition uses
A) Darts
B) Nails
C) Pellets or slugs
D) Arrows
  • 11. Unique bullet markings come from the
A) Grip
B) Magazine
C) Barrel
D) Trigger
  • 12. Microscopic scratches on a fired bullet are called
A) Abrasions
B) Fractures
C) Grooves
D) Striations
  • 13. The narrowing at a shotgun muzzle end is known as
A) Recoil
B) Gauge
C) Constriction
D) Choke
  • 14. Wadding is used in
A) Handguns
B) Shotguns
C) Crossbows
D) Rifles
  • 15. Powder tattooing around a wound indicates
A) Close range
B) Contact shot
C) Exit wound
D) Far range
  • 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) Abrasion collar
B) Grease ring
C) Stellate tear
D) Exit wound
  • 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) Iron and nickel
B) Lead, barium, antimony
C) Gold and silver
D) Copper only
  • 20. A fired bullet is collected using
A) Metal tweezers
B) Bare hands
C) Magnet
D) Rubber tipped forceps
  • 21. Bullet trajectory analysis primarily determines
A) Bullet color
B) Shooter position
C) Weapon brand
D) Fingerprint source
  • 22. A dud cartridge is one that:
A) Explodes in magazine
B) Fails to fire
C) Double shoots
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) Parabolic path
C) Deflection path
D) Ricochet
  • 25. Shotgun bore size is measured in
A) Gauge
B) Caliber
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) Bullet size
C) Muzzle flash
D) Noise
  • 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) Fingerprint brushes
B) Ejector and extractor
C) Trigger safety
D) Screwdriver
  • 30. Ricochet means the
A) Bullet becomes non-lethal
B) Bullet bounces off a surface
C) Bullet vaporizes
D) Bullet explodes in flight
  • 31. Ricochet means the
A) Bullet explodes in flight
B) Bullet vaporizes
C) Bullet becomes non-lethal
D) Bullet bounces off a surface
  • 32. The imprint of the gun barrel around the entrance wound in contact shots is calle
A) Grease ring
B) Muzzle imprint
C) Stellate tear
D) Abrasion collar
  • 33. Which firearm part leaves a firing pin impression?
A) Safety lever
B) Slide
C) Trigger
D) Firing pin
  • 34. A fired cartridge case can be traced to a specific firearm using
A) Breech face marks
B) Sound
C) Color
D) Weight
  • 35. The explosion inside the cartridge occurs because of
A) Primer ignition and burning powder
B) Hammer force alone
C) Gravity
D) Air pressure
  • 36. Which test detects nitrates in GSR
A) Marquis test
B) Kastle-Meyer test
C) Luminol test
D) Diphenylamine test
  • 37. A class characteristic on a bullet refers to
A) Unique individual scratches
B) Manufacturer-wide features
C) Accidental imperfection
D) Post-impact damage
  • 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) Gun malfunction
B) Close-range firing
C) A ricochet
D) Old ammunition
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Barrel shortens
B) Gauge lowers
C) Distance increases
D) Temperature drops
  • 41. A revolver differs from a semi-automatic pistol by having a
A) Magazine
B) Cylinder
C) Gas piston
D) Rotating slide
  • 42. The discoloration ring around an entry wound is called
A) Tattooing
B) Grease ring
C) Abrasion collar
D) Clot halo
  • 43. A tracer bullet contains
A) Poison
B) Plastic core
C) Pyrotechnic composition
D) Color dye
  • 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) Cartridge
B) Smokeless dust
C) Gunshot residue
D) Bore dust
  • 46. The firearm mechanism that loads and ejects cartridges is the
A) Action
B) Trigger guard
C) Grip
D) Barrel
  • 47. A slug is used in a
A) Blowgun
B) Machine gun
C) Revolver
D) Shotgun
  • 48. A fully jacketed bullet has
A) Half covering
B) Rubber coating
C) No metallic covering
D) Full metal covering
  • 49. The term for bullet deviation after hitting a surface
A) Expansion
B) Penetration
C) Ricochet
D) Cavitation
  • 50. A projectile fired from a shotgun containing multiple lead balls is a
A) Pellet cluster
B) Pellet load
C) Arrow
D) Dart
  • 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) Iodine
B) Sodium rhodizonate
C) Benzidine
D) Phenolphthalein
  • 53. Which bullet typically causes less penetration?
A) Steel core bullet
B) Armor-piercing bullet
C) Full metal jacket
D) Hollow point 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) 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) Trace evidence
B) Firearm 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) Striation comparison
C) Chemical analysis
D) Caliber check
  • 58. Bullet fragments inside the body can indicate
A) Low velocity firearm
B) Silent firing
C) Bounce trajectory
D) Hollow point usage
  • 59. Shotguns without rifling produce
A) Polygonal rifling
B) Lands and grooves
C) Serrated bore
D) Smooth bore
  • 60. The area inside the barrel is called the
A) Tread
B) Rail
C) Groove
D) Bore
  • 61. A long gun fired from the shoulder is called a
A) Derringer
B) Revolver
C) Pistol
D) Rifle
  • 62. The speed of a bullet is measured in
A) Feet per second
B) Calories per second
C) Meters per minute
D) Liters per shot
  • 63. Which part of the firearm strikes the primer?
A) Hammer
B) Magazine
C) Grip
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) All shotguns
C) All rifles
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) Burning gunpowder
B) Air pressure
C) Trigger force
D) Bullet friction
  • 69. Powder tattooing results from
A) Smoke buildup
B) Unburned powder striking skin
C) Bullet deformation
D) Contact firing
  • 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) Rotation
B) Trajectory
C) Friction
D) Torque
  • 72. Which term refers to the rapid temporary cavity in tissue caused by a bullet’s energy
A) Abrasion
B) Fragmentation
C) Cavitation
D) Tattooing
  • 73. The rifling twist direction may be
A) Forward only
B) None of the above
C) Right or left
D) Straight only
  • 74. . Cartridge cases from revolvers are usually:
    A. Ejected automatically
    C. Turned into fragments
    D. Melted by heat
A) Melted by heat
B) Left inside the cylinder
C) Turned into fragments
D) Ejected automatically
  • 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) Fragmented
C) Ricocheted
D) Mislabeled
  • 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) Accuracy rate
B) Shooter age
C) Firearm type
D) Weapon cleanliness
  • 79. A bullet that exits and re-enters the body is known as
A) Tangential wound
B) Pass-through shot
C) Shored entrance
D) Re-entry wound
  • 80. A circular defect in glass with concentric cracks indicates
A) Chemical reaction
B) Gunshot hole
C) Explosion
D) Thermal break
  • 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) Superficial mark
B) Collar burn
C) Non-lethal injury
D) Blowout of skull
  • 83. The heaviest part of a cartridge is usually the
A) Primer
B) Bullet
C) Case
D) Powder
  • 84. The flash hole connects the primer to the
A) Gunstock
B) Barrel
C) Bullet jacket
D) Gunpowder charge
  • 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) Beveling
B) Scaling
C) Flaking
D) Cratering
  • 87. The first step in firearm safety is
A) Check magazine capacity
B) Point the muzzle in a safe direction
C) Clean the barrel
D) Measure bullet caliber
  • 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) Lead
B) Glass
C) Rubber only
D) Wood
  • 90. A blank cartridge contains
A) No case
B) No bullet
C) No powder
D) No primer
  • 91. Over-penetration refers to
A) Bullet exits the body
B) Failure to enter the target
C) Bullet stops quickly
D) Bullet evaporates on contact
  • 92. An ejected casing hitting a nearby object could cause
A) Breech explosion
B) Trigger slip
C) Chamber tear
D) Secondary impact marks
  • 93. A sawed-off shotgun is prohibited in many countries due to
A) Lower reliability
B) Reduced power
C) Increased recoil
D) Easier concealment
  • 94. The black residue around a wound from smoke is called
A) Bruising
B) Tattooing
C) Abrasion
D) Soot
  • 95. GSR test reliability decreases over time because
A) GSR changes color
B) GSR evaporates
C) GSR becomes magnetic
D) GSR washes off or falls away
  • 96. A gunshot fired from inside a bag or cloth case may show
A) Shored entrance wound
B) . No marks
C) Fabric imprint or smudging
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) Gun cotton only
C) Black powder
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) Larger than exit
B) Smaller and smoother
C) Irregular
D) Missing
Created with That Quiz — where a math practice test is always one click away.