Fiber Analysis in Forensics Part 1 Review

What is the primary purpose of fiber analysis in forensic science?

• To determine the age of a suspect

• To identify the source of a fiber

• To analyze DNA

• To measure the length of a fiber

What is the smallest indivisible unit of a textile?

• Yarn

• Fiber

• Thread

• Fabric

What is a direct transfer of fibers?

• Fibers transferred from a source to a suspect and then to a victim

• Fibers transferred directly from victim to suspect or suspect to victim

• Fibers transferred from a suspect to a source and then to a victim

• Fibers transferred from a victim to a source and then to a suspect.

Which of the following is a method for collecting fibers in forensics?

• Burning

• Vacuuming

• Melting

• Freezing

Which of the following is a characteristic of natural fibers?

• Derived from animals, plants, and minerals

• Man-made in a laboratory

• Produced by joining monomers

• Formed by chemical reactions

Which of the following is NOT a characteristic of plant fibers?

• A) Can absorb water

• B) Soluble in water

• C) Very resistant to damage from harsh chemicals

• D) Can only be dissolved by strong acids

Which of the following fibers is obtained from sheep?

• Cashmere

• Angora

• Wool

• Silk

Match the following animal fibers with their sources:

• Wool

• Rabbits

• Silk

• Caterpillar cocoons

• Cashmere

• Sheep

• Angora

• Goats

Which of the following is a fibrous form of glass?

• Asbestos

• Fiberglass

• Cotton

• Wool

Which synthetic fiber is known for being wrinkle-resistant and is often found in 'polar fleece'?

• Nylon

• Polyester

• Acrylic

• Acetate