FORENSIC BIOLOGY LATEST UPDATE 2025-2026
EXAM QUESTIONS AND ACCURATE VERIFIED
ANSWERS GRADED A+
What is the most popular and convenient approach for removing
primer residues from a suspect's hands? -Answer-D.Application
of adhesive tape
Which ammunition cannot be detected with hand swabbing or
application of adhesive? -Answer-B..22 caliber rim-fire
ammunition
SEM is used to locate microscopic primer and gunpowder
particles on the adhesive used to collect primer residues on a
shooter's hands. What does SEM stand for? -Answer-
D.Scanning electron microscope
An investigator is relying upon the _____ under the metal's
surface to make possible the process of serial number retrieval
for a firearm. -Answer-A.strain
A solution of hydrochloric acid, copper chloride, and water
works well as _____ for steel surfaces. -Answer-A.an etching
reagent
Contrary to television shows, an investigator should avoid
retrieving a firearm by sticking a pencil in the barrel so that the
_____ are not disturbed. -Answer-A.powder deposits
, The recommended practice is to wrap the _____ in tissue paper
and place it into an evidence envelope before it is shipped to the
crime laboratory. -Answer-C.bullet
When a firearm is recovered underwater, it should be
transported to the crime laboratory in a receptacle containing
_____. -Answer-B.the same water
Which comparisons are difficult to replicate with accuracy in the
laboratory, and require a series of samples at various angles and
pressures? -Answer-B.Tool marks
Trace evidence such as _____ can prove very valuable in the
analysis of tool marks left in the forcible entry into a structure. -
Answer-C.paint chips
Which of the following items exemplifies a class characteristic?
-Answer-D.The size of a shoe
End of Chapter 9: An investigator seeking to determine a brand
of footwear from a collected impression might utilize what
database system? -Answer-B.SICAR
Start of Chapter 10: Which of the following best describes a
phase? -Answer-B.It is a uniform body of matter that is
separated by definite visible boundaries.
Which of the following is an example of a change in the
chemical property of matter? -Answer-C.Iron rusts when
exposed to salt water.
EXAM QUESTIONS AND ACCURATE VERIFIED
ANSWERS GRADED A+
What is the most popular and convenient approach for removing
primer residues from a suspect's hands? -Answer-D.Application
of adhesive tape
Which ammunition cannot be detected with hand swabbing or
application of adhesive? -Answer-B..22 caliber rim-fire
ammunition
SEM is used to locate microscopic primer and gunpowder
particles on the adhesive used to collect primer residues on a
shooter's hands. What does SEM stand for? -Answer-
D.Scanning electron microscope
An investigator is relying upon the _____ under the metal's
surface to make possible the process of serial number retrieval
for a firearm. -Answer-A.strain
A solution of hydrochloric acid, copper chloride, and water
works well as _____ for steel surfaces. -Answer-A.an etching
reagent
Contrary to television shows, an investigator should avoid
retrieving a firearm by sticking a pencil in the barrel so that the
_____ are not disturbed. -Answer-A.powder deposits
, The recommended practice is to wrap the _____ in tissue paper
and place it into an evidence envelope before it is shipped to the
crime laboratory. -Answer-C.bullet
When a firearm is recovered underwater, it should be
transported to the crime laboratory in a receptacle containing
_____. -Answer-B.the same water
Which comparisons are difficult to replicate with accuracy in the
laboratory, and require a series of samples at various angles and
pressures? -Answer-B.Tool marks
Trace evidence such as _____ can prove very valuable in the
analysis of tool marks left in the forcible entry into a structure. -
Answer-C.paint chips
Which of the following items exemplifies a class characteristic?
-Answer-D.The size of a shoe
End of Chapter 9: An investigator seeking to determine a brand
of footwear from a collected impression might utilize what
database system? -Answer-B.SICAR
Start of Chapter 10: Which of the following best describes a
phase? -Answer-B.It is a uniform body of matter that is
separated by definite visible boundaries.
Which of the following is an example of a change in the
chemical property of matter? -Answer-C.Iron rusts when
exposed to salt water.