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FORENSIC BALLISTICS
Contributed by: Ogoc
  • 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) Rifling
B) Lands
C) Bore marks
D) Impressions
  • 3. The raised areas between grooves inside the firearm barrel are called
A) Marks
B) Scratches
C) Nodes
D) Lands
  • 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) Jacket
B) Primer
C) Wad
D) Shell
  • 6. The visible smoke and powder expelled from the muzzle is called
A) GSR
B) Flashback
C) Muzzle blast
D) Bore smoke
  • 7. Gunshot residue (GSR) is usually tested on the
A) Eyes
B) Hair
C) Teeth
D) Hands
  • 8. Which tool is designed to compare bullet striations?
A) Phase contrast microscope
B) Compound light microscope
C) Comparison Microscope
D) Electron 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) Pellets or slugs
B) Darts
C) Arrows
D) Nails
  • 11. Unique bullet markings come from the
A) Magazine
B) Grip
C) Barrel
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) Constriction
B) Choke
C) Gauge
D) Recoil
  • 14. Wadding is used in
A) Crossbows
B) Handguns
C) Shotguns
D) Rifles
  • 15. Powder tattooing around a wound indicates
A) Far range
B) Contact shot
C) Close range
D) Exit wound
  • 16. Entrance wounds are commonly
A) Square-shaped
B) Larger than exit wounds
C) Smaller and more circular
D) Ragged and torn
  • 17. A bullet that passes through the body produces an
A) Exit wound
B) Abrasion collar
C) Stellate tear
D) Grease ring
  • 18. A contact gunshot wound typically appears
A) Tear-drop shaped
B) Star-shaped
C) Smooth and oval
D) Square
  • 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) Rubber tipped forceps
B) Bare hands
C) Metal tweezers
D) Magnet
  • 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) Fails to fire
B) Double shoots
C) Overheats
D) Explodes in magazine
  • 23. The word “ballistics” is derived from a term meaning
A) Explosion
B) Fire
C) Throw
D) Launch
  • 24. The curved flight path of a projectile because of gravity is
A) Parabolic path
B) Ricochet
C) Shockwave
D) Deflection path
  • 25. Shotgun bore size is measured in
A) Chamber units
B) Caliber
C) Millimeters only
D) Gauge
  • 26. The bullet impact likely to cause the most deformation occurs in
A) Bone
B) Soft tissue
C) Water
D) Clothing
  • 27. A silencer mainly reduces
A) Noise
B) Bullet size
C) Muzzle flash
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) Fingerprint brushes
D) Screwdriver
  • 30. Ricochet means the
A) Bullet vaporizes
B) Bullet bounces off a surface
C) Bullet becomes non-lethal
D) Bullet explodes in flight
  • 31. Ricochet means the
A) Bullet bounces off a surface
B) Bullet vaporizes
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) Muzzle imprint
B) Stellate tear
C) Abrasion collar
D) Grease ring
  • 33. Which firearm part leaves a firing pin impression?
A) Trigger
B) Slide
C) Firing pin
D) Safety lever
  • 34. A fired cartridge case can be traced to a specific firearm using
A) Breech face marks
B) Color
C) Sound
D) Weight
  • 35. The explosion inside the cartridge occurs because of
A) Hammer force alone
B) Air pressure
C) Primer ignition and burning powder
D) Gravity
  • 36. Which test detects nitrates in GSR
A) Marquis test
B) Diphenylamine test
C) Luminol test
D) Kastle-Meyer 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) Hans Gross
B) Edmond Locard
C) Calvin Goddard
D) Henry Faulds
  • 39. Excessive gunpowder burning around a target indicates
A) A ricochet
B) Old ammunition
C) Gun malfunction
D) Close-range firing
  • 40. In a shotgun, the number of pellets hitting a target decreases as
A) Distance increases
B) Gauge lowers
C) Barrel shortens
D) Temperature drops
  • 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) Clot halo
B) Abrasion collar
C) Tattooing
D) Grease ring
  • 43. A tracer bullet contains
A) Color dye
B) Poison
C) Pyrotechnic composition
D) Plastic core
  • 44. A bullet jacket is typically made of
A) Wood
B) Rubber
C) Copper
D) Plastic
  • 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) Action
B) Grip
C) Trigger guard
D) Barrel
  • 47. A slug is used in a
A) Machine gun
B) Shotgun
C) Blowgun
D) Revolver
  • 48. A fully jacketed bullet has
A) Full metal covering
B) Rubber coating
C) Half covering
D) No metallic covering
  • 49. The term for bullet deviation after hitting a surface
A) Expansion
B) Cavitation
C) Penetration
D) Ricochet
  • 50. A projectile fired from a shotgun containing multiple lead balls is a
A) Arrow
B) Pellet cluster
C) Dart
D) Pellet load
  • 51. The first practical comparison microscope was developed by
A) John Browning
B) Isaac Newton
C) Calvin Goddard
D) Carl Sagan
  • 52. The chemical used in detecting lead on the target area is
A) Phenolphthalein
B) Sodium rhodizonate
C) Iodine
D) Benzidine
  • 53. Which bullet typically causes less penetration?
A) Armor-piercing bullet
B) Full metal jacket
C) Steel core bullet
D) Hollow point bullet
  • 54. Semi-automatic pistols eject cartridges due to
A) Air pressure
B) Recoil or blowback
C) Gravity
D) Trigger pull
  • 55. A tool mark caused by the slide stopping on the cartridge case is called
A) Slide bite
B) Lip impression
C) Breech face scratch
D) Chamber mark
  • 56. A cartridge case left behind at a crime scene is considered
A) Biological evidence
B) Firearm evidence
C) Trace evidence
D) Class evidence only
  • 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) Silent firing
B) Hollow point usage
C) Bounce trajectory
D) Low velocity firearm
  • 59. Shotguns without rifling produce
A) Serrated bore
B) Lands and grooves
C) Polygonal rifling
D) Smooth bore
  • 60. The area inside the barrel is called the
A) Bore
B) Groove
C) Rail
D) Tread
  • 61. A long gun fired from the shoulder is called a
A) Pistol
B) Derringer
C) Revolver
D) Rifle
  • 62. The speed of a bullet is measured in
A) Liters per shot
B) Calories per second
C) Feet per second
D) Meters per minute
  • 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) Sonic
B) Supersonic
C) Subsonic
D) Hypersonic
  • 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) Most .22 caliber guns
B) All revolvers
C) All rifles
D) All shotguns
  • 67. The ability of a bullet to travel through material is called
A) Expansion
B) Exposure
C) Penetration
D) Cavitation
  • 68. The gas that pushes a bullet forward comes from
A) Trigger force
B) Bullet friction
C) Air pressure
D) Burning gunpowder
  • 69. Powder tattooing results from
A) Unburned powder striking skin
B) Bullet deformation
C) Contact firing
D) Smoke buildup
  • 70. Sawed-off shotguns are dangerous due to
A) Lower velocity
B) Increased pellet spread
C) Reduced recoil
D) Longer barrel
  • 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) Tattooing
C) Fragmentation
D) Cavitation
  • 73. The rifling twist direction may be
A) None of the above
B) Right or left
C) Forward only
D) Straight only
  • 74. . Cartridge cases from revolvers are usually:
    A. Ejected automatically
    C. Turned into fragments
    D. Melted by heat
A) Turned into fragments
B) Left inside the cylinder
C) Melted by heat
D) Ejected automatically
  • 75. The diameter of a shotgun bore increases as the gauge number
A) Decreases
B) Increases
C) Triples
D) Disappears
  • 76. A bullet that separates from its jacket leaving the core behind has
A) Overpenetrated
B) Ricocheted
C) Fragmented
D) Mislabeled
  • 77. Full metal jacket bullets are mainly used for
A) Deep penetration
B) Low velocity
C) Soft impact
D) Rapid expansion
  • 78. A firing pin impression on the primer helps identify
A) Firearm type
B) Weapon cleanliness
C) Accuracy rate
D) Shooter age
  • 79. A bullet that exits and re-enters the body is known as
A) Pass-through shot
B) Re-entry wound
C) Shored entrance
D) Tangential wound
  • 80. A circular defect in glass with concentric cracks indicates
A) Thermal break
B) Chemical reaction
C) Explosion
D) Gunshot hole
  • 81. Bullets fired underwater have
A) Increased velocity
B) Minimal range and high drag
C) Greater range
D) No change in motion
  • 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) Powder
B) Primer
C) Case
D) Bullet
  • 84. The flash hole connects the primer to the
A) Gunpowder charge
B) Bullet jacket
C) Barrel
D) Gunstock
  • 85. Bullets that glow in flight are called
A) Frangible rounds
B) Incendiary rounds
C) Tracer bullets
D) Blank cartridges
  • 86. A breakaway in bone from a gunshot exit wound is called
A) Beveling
B) Cratering
C) Scaling
D) Flaking
  • 87. The first step in firearm safety is
A) Check magazine capacity
B) Measure bullet caliber
C) Clean the barrel
D) Point the muzzle in a safe direction
  • 88. The portion of a revolver the shooter grips is called
A) Grip
B) Rail
C) Cylinder
D) Fore-end
  • 89. The projectile in a shotgun shell is often made of
A) Lead
B) Wood
C) Rubber only
D) Glass
  • 90. A blank cartridge contains
A) No powder
B) No primer
C) No case
D) No bullet
  • 91. Over-penetration refers to
A) Bullet evaporates on contact
B) Bullet exits the body
C) Bullet stops quickly
D) Failure to enter the target
  • 92. An ejected casing hitting a nearby object could cause
A) Chamber tear
B) Secondary impact marks
C) Breech explosion
D) Trigger slip
  • 93. A sawed-off shotgun is prohibited in many countries due to
A) Lower reliability
B) Easier concealment
C) Reduced power
D) Increased recoil
  • 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 washes off or falls away
B) GSR becomes magnetic
C) GSR evaporates
D) GSR changes color
  • 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) Rubber bullets
C) Armor-piercing bullets
D) Drone bullets
  • 98. The gunpowder used in modern ammunition is mostly
A) Gun cotton only
B) Smokeless powder
C) Black powder
D) Flash powder
  • 99. The backspatter of blood toward the shooter usually indicates
A) Contact or close-range shot
B) Far-range shot
C) Bullet ricochet
D) Gun malfunction
  • 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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