BSFS Bachelor of Science in Forensic Science MCQ 5

Question 1

Which type of wound is most characteristic of a close-range gunshot (contact or near-contact)?

Accepted Answer

Stellate or star-shaped wound with soot and stippling

Answer

Contact or near-contact gunshots produce stellate tears, heavy soot deposition, and burns around the wound from expanding gases and unburned powder.

Question 2

In forensic chemistry, what is the purpose of the Scott test?

Accepted Answer

Presumptive identification of cocaine

Answer

The Scott test uses cobalt thiocyanate and produces a blue color in the presence of cocaine, serving as a presumptive field test.

Question 3

What is the significance of the 'void pattern' in bloodstain pattern analysis?

Accepted Answer

It marks an area where blood is absent because an object or person blocked the spatter

Answer

A void pattern is an area where blood spatter is absent because an object or person was present and shielded that area during the bloodshed event.

Question 4

In digital forensics, what is 'steganography'?

Accepted Answer

Hiding data within another file, image, or message to conceal its existence

Answer

Steganography is the practice of concealing data within another seemingly innocuous file (such as an image or audio file) so that the hidden message is not apparent.

Question 5

Which analytical technique is considered the gold standard for confirming the identity and purity of an unknown substance in forensic chemistry?

Accepted Answer

Infrared spectroscopy (IR) or mass spectrometry (MS)

Answer

Infrared spectroscopy and mass spectrometry provide confirmatory identification of unknown substances by revealing their molecular structure and fragmentation patterns.

BSFS - Bachelor of Science in Forensic Science Practice Test

BSFS - Bachelor of Science in Forensic Science Practice Test

BSFS Bachelor of Science in Forensic Science MCQ 5