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WorksheetsForensic Ballistics Quiz
Total questions: 50
Worksheet time: 25mins
Who is known as the “Father of Percussion Ignition,” revolutionizing firearm ignition systems in the early 19th century?
Samuel Colt
Alexander John Forsyth
Hiram Maxim
Benjamin Robins
The Modified Griess Test for GSR detection produces which color indicating the presence of nitrites?
Bright orange
Pink to red
Blue
Yellowish
Which chemist first synthesized nitroglycerin, a highly explosive compound later commercialized as dynamite?
Christian Friedrich Schönbein
Henri Braconnot
Ascanio Sobrero
Alfred Nobel
The Sodium Rhodizonate Test produces what color when lead residues are present?
Pink to red
Bright orange
Blue
Green
Which inventor developed the AR15/M16 rifle, a standard military firearm?
Eugene Stoner
Michael Kalashnikov
John Garand
Fedor Tokarev
Which forensic instrument allows simultaneous side-by-side viewing of two bullets for detailed striation comparison?
Stereoscopic microscope
Comparison microscope
Measuring projector
Shadowgraph
The Walker Test is a presumptive test for which element in gunshot residue?
Lead
Barium
Antimony
Nitrites
A forensic analyst needs to measure the diameter of a bullet with an accuracy of 0.001 mm. Which instrument should be used and why?
Micrometer, for highly precise measurement
Caliper, for general measurement
Helixometer, for rifling measurement
Chronograph, for velocity measurement
Which company is known for manufacturing inexpensive firearms in the Philippines and is ISO 9001 certified?
Smith & Wesson
Arms Corporation of the Philippines (ARMSCOR)
Colt’s Manufacturing Company
Winchester Repeating Arms
Which test is used to detect organic gunshot residues (OGSR) by reacting with nitrite compounds producing a pink or reddish azo dye?
Sodium Rhodizonate test
Griess test
Diphenylamine test
Walker test
Which firearm designer is credited with the 9mm Parabellum cartridge?
George Luger
Paul Mauser
John Browning
Carl Walter
What is the main limitation of classical colorimetric GSR tests like Diphenylamine and Sodium Rhodizonate?
High cost
Require large sample sizes
Lack specificity and prone to false positives
Require complex instrumentation
Who is credited with producing the first commercial bulletproof vest available to the public?
Maximillian II
Casimir Zeglen
Fillippo Negroli
Oscar Mossberge
The Diphenylamine test for GSR produces which color indicating nitrates?
Blue
Red
Orange
Yellow
Which forensic instrument is used to measure the twist or rifling rate inside a firearm barrel?
Chronograph
Helixometer
Caliper
Onoscope
Scenario: A forensic examiner wants to compare two cartridge cases for matching firing pin impressions. Which tool and method should be used?
Stereoscopic microscope with juxtaposition position
Comparison microscope with intermarriage position
Measuring projector with overlay method
Shadowgraph with side-by-side viewing
Which inventor is known as the “Father of Modern Ballistics”?
Col. Calvin H. Goddard
Benjamin Robins
John Browning
Samuel Colt
Which test for GSR produces a reddish-brown color in the presence of barium?
Sodium Rhodizonate test
Walker test
Griess test
Lunge reagent test
Who invented the first pump-action shotgun?
John Browning
Christopher Spencer
Melvin M. Johnson
John Thompson
Which test uses a reagent that produces a color change from colorless to orange when reacting with nitrite compounds without heating?
Modified Griess Test (RGT reagent)
Sodium Rhodizonate Test
Diphenylamine Test
Walker Test
Which firearm manufacturer was founded by Samuel Colt and popularized the revolver?
Smith & Wesson
Colt’s Manufacturing Company
Winchester Repeating Arms
Armalite, Inc.
Which test is primarily used to detect lead residues on surfaces or skin in field examinations?
Lunge reagent test
Griess test
Diphenylamine test
Walker test
Who designed the Russian AK-series rifles?
Fedor Tokarev
Michael Kalashnikov
Sergei Mossin
Paul Mauser
Which forensic instrument projects shadows to reveal indentations or erasures on documents?
Comparison microscope
Shadowgraph
Stereoscopic microscope
Measuring projector
Which test detects antimony, lead, and barium in gunshot residue but is considered unreliable for crime scene analysis?
Harrison and Gilroy method
Sodium Rhodizonate test
Griess test
Diphenylamine test
Who invented the first self-reloading rifle, the Garand Rifle?
John Cantius Garand
Eugene Stoner
John Browning
Michael Kalashnikov
Which test produces a pink to red coloration indicating the presence of lead in gunshot residue?
Sodium Rhodizonate test
Diphenylamine test
Griess test
Walker test
Which inventor developed the Uzi submachine gun used by the Israeli Army?
Uziel Gal
Eugene Stoner
John Thompson
Jack Weaver
Which test detects nitrite ions by producing a bright orange azo dye on photographic paper?
Modified Griess Test
Sodium Rhodizonate test
Diphenylamine test
Walker test
Which forensic tool is used to measure the velocity of a bullet as it exits the firearm?
Chronograph
Helixometer
Caliper
Onoscope
Who invented the Puckle gun, an early multi-shot flintlock weapon?
James Puckle
Richard Gatling
Hiram Maxim
John Thompson
Which test uses a reagent that reacts with lead to produce a distinctive color change and is often applied around bullet holes?
Sodium Rhodizonate test
Griess test
Diphenylamine test
Walker test
Which company developed the Colt-produced M16 rifle?
Armalite, Inc.
Smith & Wesson
Winchester Repeating Arms
Heckler & Koch
Which test detects the presence of nitrates and nitrites by producing a blue coloration?
Diphenylamine test
Griess test
Sodium Rhodizonate test
Walker test
Who is credited with inventing the first commercially successful revolver?
Samuel Colt
Horace Smith
John Browning
Eliphalet Remington
Which test produces a yellow to orange color with increasing gunshot residue concentration when using RGT reagent?
Modified Griess Test
Sodium Rhodizonate test
Diphenylamine test
Walker test
During examination, a bullet is recovered from a recovery box filled with gelatin. The examiner notices that the bullet’s surface markings are intact and clear. What is the significance of using a bullet recovery box in forensic ballistics?
It preserves ballistic markings for comparison without damaging the bullet
It cleans the bullet for chemical analysis
It measures the velocity of the bullet
It removes gunshot residue from the bullet
Which of the following is an inorganic component commonly detected in gunshot residue?
Nitrites
Lead
Nitrocellulose
Organic stabilizers
Which forensic instrument is used to inspect the interior of firearm barrels non-destructively?
Borescope
Chronograph
Micrometer
Caliper
Who is credited with inventing the fuel cell and discovering guncotton and ozone?
Henri Braconnot
Christian Friedrich Schönbein
Ascanio Sobrero
Theopile-Jules Pelouze
Which test is best suited for detecting organic gunshot residues on a suspect’s hands?
Griess test
Sodium Rhodizonate test
Diphenylamine test
Walker test
Which inventor is known for the first reliable small caliber automatic pistol developed in 1866?
Carl Walter
Eugene Stoner
George Luger
John Browning
Which test produces a reddish-brown color in the presence of barium?
Walker test
Sodium Rhodizonate test
Griess test
Diphenylamine test
Which firearm manufacturer is famous for its double-action revolvers and was founded in 1852?
Colt’s Manufacturing Company
Smith & Wesson
Winchester Repeating Arms
Armalite, Inc.
Scenario: A forensic examiner needs to determine the distance between a firearm and target based on residue patterns on clothing. Which test is most appropriate?
Modified Griess Test
Sodium Rhodizonate test
Diphenylamine test
Walker test
The comparison microscope's "juxtaposition position" is best described as:
Placing two specimens side by side without alignment
Perfectly aligning two specimens for matching striations
Overlaying two images for direct comparison
Viewing a single specimen from two angles
Which chemical test for GSR produces a blue coloration indicating nitrates but is not specific to gunshot residue?
Diphenylamine test
Sodium Rhodizonate test
Griess test
Walker test
Which test is used to detect lead residues on skin or surfaces and is similar in purpose to the sodium rhodizonate test but uses a different reagent?
Lunge reagent test
Griess test
Diphenylamine test
Walker test
Which inventor developed the AR15/M16 rifle, a standard military firearm?
Eugene Stoner
John Garand
John Browning
Michael Kalashnikov
A forensic examiner wants to compare two cartridge cases for matching firing pin impressions. Which tool and method should be used?
Stereoscopic microscope with juxtaposition position
Comparison microscope with intermarriage position
Measuring projector with overlay method
Shadowgraph with side-by-side viewing
