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WorksheetsForensic Science Physical Evidence
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
The process of determining a substance's physical or chemical identity is called __________.
a)
identification
b)
comparison
c)
class characteristics
d)
individual characteristics
2.
The method used to support a likely sequence of events by the observation and evaluation of physical evidence, as well as statements made by those involved with the incident is called
a)
identification
b)
classification
c)
reconstruction
d)
comparison
3.
First, and of the utmost importance, is _______ of the crime scene.
a)
pictures
b)
notes
c)
a comparison
d)
security and protection
4.
Crime scene reconstruction relies on the combined efforts of all the following except:
a)
medical examiner
b)
law enforcement personnel
c)
criminalists
d)
trial judges
5.
The process of ascertaining whether two or more objects have a common origin is called
a)
identification
b)
comparison
c)
livor mortis
d)
transient
6.
The frequency of occurrence of an event is defined as
a)
reconstruction
b)
comparison
c)
probability
d)
individual
7.
Evidence that can be associated with a common source with an extremely high degree of probability is said to be possess
a)
individual characteristics
b)
class characateristics
c)
reconstructive characteristics
d)
is rare
8.
What type of evidence is temporary; easily changed or lost; usually observed by the first officer at the crime scene?
a)
Pattern
b)
Conditional
c)
Transfer
d)
Transient
9.
Evidence is said to possess ___it can be associated only with a group and never with a single source.
a)
individual characteristics
b)
class characteristics
c)
product characteristics
d)
pattern characteristics
10.
The number and type of tests needed to identify a substance must be sufficient to
a)
exclude all other substances from consideration
b)
include all possible outcomes
c)
include all possible scenarios
d)
exclude the criminalist as a suspect
11.
The weight or significance accorded physical evidence in a courtroom is left to:
a)
the laboratory analysts who are interpreting the results of their tests
b)
the prosecutor who instructs the jury as to how much weight to assign to an article
c)
the expert witnesses or criminalistics who are testifying
d)
the trier of facts, usually a jury of laypersons
12.
A/An __analysis subjects a suspect and a standard specimen to the same tests and examination for the ultimate purpose of determining whether they have a common origin
a)
identification
b)
comparison
c)
class
d)
individual
13.
A computerized database that allows an analyst to obtain information relative to an individual's DNA profile is?
a)
CODIS
b)
SICAR
c)
NIBIN
d)
AFIS
14.
Physical evidence can be used to exonerate or exclude a person from suspicion if
a)
it is collected in accordance with Fourth Admendent
b)
the standard reference sample does not share characteristics with evidence at the crime scene
c)
evidence taken from the suspect is obtained voluntarily
d)
it does not have a well documented chain of custody
15.
Crime scene reconstruction requires the piecing together of
a)
input from the medical examiner
b)
accounts given by witnesses and suspects
c)
the story told by evidence recovered at the crime scene
d)
all of these are correct
16.
Evidence having class characteristics can
a)
exonerate an innocent suspect
b)
link a person to a crime with high degree of certainty
c)
always be fitted together in the manner of a jig-saw puzzle
d)
have no evidential value
17.
If a crime lab can piece a large broken glass of a bottle, then the evidence has ______ characteristics.
a)
identification
b)
comparative
c)
individual
d)
class
18.
Determining that an explosive mixture contains dynamite is an example of the process of
a)
identification
b)
comparison
c)
class characteristics
d)
individual characteristics
19.
Blood, DNA, saliva, hair, and organs are examples of _________ evidence
a)
Impressions
b)
Manufactured Items
c)
Biological Materials
d)
Direct
20.
Integrated Automated Fingerprint Identification, a national fingerprint and criminal history system maintained by the FBI is _____
a)
CODIS
b)
PDQ
c)
AFIS
d)
NIBIN
21.
A single-layer paint chip normally can be expected to have ________ characteristics
a)
Normal
b)
Class
c)
Individual
d)
Direct
22.
The _________________ is frequently requested to identify the chemical composition of an illicit drug
a)
medical lab
b)
dental lab
c)
crime lab
23.
Indicate whether the item is likely to possess class or individual:
skin and hair scrapings
skin and hair scrapings
a)
Class
b)
Individual
24.
Indicate whether the item is likely to possess class or individual:
a spent bullet cartridge
a spent bullet cartridge
a)
Class
b)
Individual
25.
Indicate whether the item is likely to possess class or individual:
an impression from a new automobile tire
an impression from a new automobile tire
a)
Class
b)
Individual
26.
Finally, the contribution of physical evidence is ultimately determined in the ______________.
a)
crime scene
b)
crime lab
c)
courtroom
d)
expert witness
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