Biological stains – Criminalistics Quiz

The key terms in this Criminalistics/Forensics course include Biological stains, Acid phosphotase, Semen, luminesce, luminol, bloodstain, alleles.

Biological stains should be air dried and then ideally stored frozen until they are delivered to the laboratory.

True

False

Residential (house) paint is so common and uniform that it lacks significant value as physical evidence.

True

False

The first layer of paint on an automobile is the electrocoat primer.

True

False

The ultimate value of soil as evidence is dependent on its variation at the crime scene. 

True

False

A tape lift is a good method of collection for obtaining a paint standard.

True

False

The most important property of paint relating to forensic comparison is the primer.

True

False

Seminal constituents may remain in the vagina for up to six days after intercourse.

True

False

Biological stains should be air dried and then ideally stored frozen until they are delivered to the laboratory.

True

False

Acid phosphatase is a major constituent of :

Saliva

Blood

Semen

perspiration

All of the above

A reagent which reacts to blood and causes it to luminesce is :

Luminol

Benzidine

Takayama

Acid phosphotase

Spermine

It is not possible to determine if a bloodstain is human or animal in nature.

True

False

Different forms of the same gene are called Alleles.

True

False

Residential (house) paint is so common and uniform that it lacks significant value as physical evidence.

True

False

The first layer of paint on an automobile is the electrocoat primer.

True

False

The ultimate value of soil as evidence is dependent on its variation at the crime scene. 

True

False

A tape lift is a good method of collection for obtaining a paint standard.

True

False

The most important property of paint relating to forensic comparison is the primer.

True

False

Seminal constituents may remain in the vagina for up to six days after intercourse.

True

False

A confirmatory test can identify a body fluid to the exclusion of all others.

True

False

Acid phosphotase is a major constituent of :

Saliva

Blood

Semen

perspiration

All of the above

A reagent which reacts to blood and causes it to luminesce is :

Luminol

Benzidine

Takayama

Acid phosphotase

Spermine

It is not possible to determine if a bloodstain is human or animal in nature.

True

False