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