Criminalistics Practice Questions — Set 9

Question 1

Which of the following is a 'Chemical' change that occurs in a body after death, resulting in the breakdown of tissues by bacteria?

Accepted Answer

Putrefaction

Answer

Adipocere formation

Answer

Autolysis

Answer

Mummification

Question 2

In forensic photography, what is the 'Depth of Field' and how is it controlled?

Accepted Answer

The area of the image that appears sharp and in focus; controlled by the aperture (f-stop).

Answer

The color accuracy of the photo; controlled by white balance.

Answer

The brightness of the photo; controlled by the flash.

Answer

The distance between the camera and the evidence; controlled by the zoom lens.

Question 3

What is 'Forgery by Simulation'?

Accepted Answer

Creating a freehand imitation of another person's signature by looking at a genuine model.

Answer

Writing a signature in your own natural handwriting but using another person's name.

Answer

Tracing a signature by placing it over a light box.

Answer

Signing a document without seeing it.

Question 4

Which part of the human hair contains the 'pigment granules' that give hair its color?

Accepted Answer

The Cortex

Answer

The Cuticle

Answer

The Follicle

Answer

The Medulla

Question 5

In ballistics, what is 'Yaw'?

Accepted Answer

The wobbling or tumbling of a bullet as it travels through the air.

Answer

The diameter of the bullet's base.

Answer

The spinning motion of the bullet caused by rifling.

Answer

The sound of the bullet hitting the target.

Question 6

What is the 'Kastle-Meyer Test' used for in forensic chemistry?

Accepted Answer

To determine if a stain is likely to be blood.

Answer

To analyze the type of ink used in a document.

Answer

To test for the presence of arsenic in food.

Answer

To identify the presence of explosive residue.

Question 7

In fingerprinting, what is a 'Delta'?

Accepted Answer

The point on a ridge at or in front of and nearest the center of the divergence of the type lines.

Answer

The highest point of a loop. within the context of professional standards and systems

Answer

A ridge that is used to count the number of whorls. within the context of professional standards and systems

Answer

A ridge that forms a complete circle. within the context of professional standards and systems

Question 8

What is 'Cadaveric Spasm' (Instantaneous Rigor)?

Accepted Answer

The immediate stiffening of a group of muscles at the moment of death, usually occurring during intense emotion or struggle.

Answer

The process of the body shrinking due to fire. within the context of professional standards and systems

Answer

The expansion of the lungs after drowning. within the context of professional standards and systems

Answer

A muscle twitch that happens after death. within the context of professional standards and systems

Question 9

Which of the following describes a 'Sequence of Strokes' analysis in document examination?

Accepted Answer

Determining which line was written first when two ink lines cross.

Answer

Measuring the speed at which a person writes.

Answer

Identifying the brand of the pen based on its stroke width.

Answer

Counting the number of letters in a sentence.

Question 10

What is 'Gunshot Residue' (GSR) composed of, and where is it typically found?

Accepted Answer

Tiny particles of lead, barium, and antimony; found on the hands and clothing of someone who fired a gun.

Answer

Only the lead from the bullet; found on the target. within the context of professional standards and systems

Answer

Pure carbon; found inside the barrel. within the context of professional standards and systems

Answer

Burnt paper; found at the feet of the shooter. within the context of professional standards and systems