Fingerprint Forensics Quiz

What is a common misconception about removing fingerprints as shown in movies?

• Fingerprints are the same for identical twins.

• Fingerprints can be altered by heat.

• Fingerprints are only left on smooth surfaces.

• Fingerprints can be completely removed by wiping.

What is the Exchange Principle in forensic science?

• The concept that materials are exchanged when two objects come into contact.

• The theory that fingerprints are only left on porous surfaces.

• The principle that fingerprints can be altered by chemicals.

• The idea that fingerprints are unique to each individual.

Which type of fingerprint is visible to the naked eye?

• Invisible Fingerprints

• Plastic Fingerprints

• Patent Fingerprints

• Latent Fingerprints

How are latent fingerprints typically visualized?

• By heating the surface

• With fingerprinting powder

• With ultraviolet light

• Using a magnifying glass

What is the purpose of using ninhydrin in fingerprint detection?

• To dissolve the oils in fingerprints

• To make fingerprints glow in the dark

• To create a 3D model of the fingerprint

• To react with amino acids and turn purple

What is the role of cyanoacrylate in fingerprint analysis?

• It makes the fingerprint disappear.

• It changes the color of the fingerprint.

• It creates a 3D matrix of the fingerprint.

• It dissolves the fingerprint oils.

What is vacuum metal deposition used for in fingerprint analysis?

• To dissolve fingerprints on porous surfaces

• To create a holographic image of fingerprints

• To deposit a thin layer of metal on fingerprints

• To remove fingerprints from metal surfaces

How can fingerprints be visualized on a gun after wiping?

• By using a colored-electro active film

• By heating the gun

• By applying a special wax

• By using a magnifying glass

What causes the brass casing of a bullet to corrode, revealing fingerprints?

• Heat from firing and sweat marks

• Exposure to sunlight

• Chemical reactions with air

• Contact with water

What is the significance of the advances in forensic technology regarding fingerprints?

• They make it easier to alter fingerprints.

• They render wiping fingerprints ineffective.

• They allow fingerprints to be shared between people.

• They make fingerprints visible to the naked eye.