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Forensics CH 1-8 1/16/26

Total questions: 100

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
Forensic scientists...
a)
analyze evidence
b)
testify in court
c)
both analyze and testify
d)
none
2.
The thought that everyone leaves a trace of themselves is known as the ________ Principle.
a)
Locard
b)
Loncar
c)
Liberty
d)
Evidence
3.
Eyewitness
a)
A person who has seen someone or something and can communicate these facts
b)
the ability to identify its component parts, to organize information for decision making, to establish criteria for evaluation, and to draw appropriate conclusions.
c)
A statement or assertion of information that can be verified
d)
Conclusions drawn from assumptions and known facts
4.

What is the job of forensic scientists?

a)

To find every single piece of evidence

b)

To arrest the criminal

c)

To convict the criminal

5.

material that connects an individual or thing to a group that share similar characteristics

a)

individual evidence

b)

class evidence

c)

control evidence

6.

Forensic Science is

a)

microscopes used for vapor

b)

the applications of testing

c)

applying principles of science to the law

d)

the application of evidence to testing

7.

Locard's Principle states

a)

every contact leaves trace evidence

b)

every criminal leaves shoe prints

c)

every criminal leaves fingerprints

d)

every criminal will be punished

8.

All evidence gathered at a crime scene must be

a)

labeled and documented

b)

analyzed in a scientific manner

c)

handled carefully so not to contaminate the specimen

d)

all of the above

9.

One of the most important tools of the forensic investigator is the ability to:

a)

observe, interpret and report observations clearly.

b)

observe assumptions clearly.

c)

report assumptions clearly.

d)

None of these choices.

10.

Criminal investigations depend on the observation skills of all involved.  Those involved include:

 

a)

police investigators.

b)

forensic scientists.

c)

witnesses.

d)

All of these choices.

11.

Whether observing at a crime scene or examining collected evidence in the laboratory, the forensic examiner must be able to:

 

a)

identify the evidence.

b)

record the evidence.

c)

determine the significance of the evidence.

d)

All of these choices.

12.

A person who has seen someone or something and can communicate these facts is:

 

a)

an eyewitness.

b)

witness.

c)

a personal observer.

d)

a court reporter.

13.

The best time to question a witness is

a)

exactly 48 hours after the event, so their stress level has declined

b)

as soon as possible after the event, before the person can talk to other witnesses

c)

as soon as the witness can talk to other witnesses so they can help each other remember

14.

When fibers are transferred directly from victim to suspect or suspect to victim, this is called:

a)

necessary transfer.

b)

direct transfer

c)

absolute transfer.

d)

None of these choices.

15.

the documented and unbroken transfer of evidence

a)

first responder

b)

direct evidence

c)

primary crime scene

d)

chain of custody

16.

Circumstantial evidence is:

a)

direct evidence that can be used to imply a fact, but does directly prove it

b)

indirect evidence that can be used to imply a fact, but does not directly prove it

c)

indirect evidence that cannot be used to imply a fact

d)

None of these choices

17.

Evidence that comes directly from a person or animal (body parts, fluids, hair, skin, blood, etc). is known as _______________ evidence.

a)

Direct

b)

Circumstantial

c)

Physical

d)

Biological

18.

What does the Locard Exchange Principle imply?

a)

fingerprints can help identify people

b)

wherever there is contact, something is left behind (evidence)

c)

for every action there is an equal and opposite reaction

d)

there is always some type of DNA left at a crime scene

19.

This person looks for leads and interviews the whitness

a)

Detective

b)

Medical examiner

c)

First responder

20.

These people are called upon for their expertise, an example would be forensic scientist like entomologist.

a)

Medical Examiner

b)

Expert Witness

c)

Coroner

21.

Material that can be related to a single source

a)

individual evidence

b)

control evidence

c)

trace evidence

22.

Material that connects an individual or object to a group that share similar characteristics

a)

trace evidence

b)

individual evidence

c)

class evidence

23.
Found in small but measurable amounts. 
a)
Physical evidence
b)
Testimonial evidence
c)
Rare evidence
d)
Trace evidence
24.
What are the four patterns to search for evidence
a)
spiral, round, linear, quadrant
b)
grid, round, linear, zone
c)
spiral, grid, quadrant, no pattern
d)
spiral, grid, linear, quadrant
25.

The idea that with any contact between two items there will be transfer is known as _____

a)

physical evdience

b)

Locard's exchange principle

c)

Forensic exchange principle

d)

the law of forensics

26.
In a crime scene sketch, there should always be an arrow to show which way is
a)
South
b)
East
c)
West
d)
North
27.

What should be included on the packaging of any piece of evidence?

a)

description of item

b)

source/location of where item was recovered

c)

names of anyone who has had contact with item

d)

all of these

28.
What is a bindle?
a)
a paper fold for trace evidence
b)
a cardboard box
c)
a paper bag
d)
a plastic container
29.

How should a shirt with biological evidence on it such as a blood drop be packaged?

a)

it should be packaged in paper to allow for drying

b)

it should be packaged in plastic immediately

c)

it should be packaged in the same container as other evidence

30.

Unrealistic expectations portrayed by TV shows that assume every crime scene will yield forensic evidence that will aid in solving a crime

a)

Forensics

b)

NCIS Effect

c)

CSI Effect

d)

Deduction

31.

The method used to support or recreate 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

32.

Fingerprint characteristics can be categorized as:

a)

class evidence only

b)

individual evidence only

c)

direct evidence

d)

both class and individual

33.

Being exposed to a blood borne pathogen such as hepatitis B, hepatitis C, HIV is a concern for crime scene investigators.

a)

True

b)

False

34.

Which of the following best describes trace evidence?

a)

Bones and teeth

b)

Blood, sexual evidence and saliva

c)

Bullets, cartridge cases and shot shell casings

d)

Small amounts of evidence including hair, fibers, glass and paint

35.
The protein that makes up hair is called _____
a)
ninhydrin
b)
pigments 
c)
medulla
d)
keratin
36.

class evidence

a)

material that connects an individual or thing to a certain group

b)

bits of pigment found in the cortex of a hair

c)

the tough outer covering of a hair composed of overlapping scales

d)

small but measurable amounts of physical or biological material found at crime scene

37.

hair follicle

a)

the actively growing root or base of hair containing DNA and living cells

b)

material that connects an individual or thing to a certain group

c)

a type of fibrous protein that makes up the majority of the cortex of a hair

d)

the tough outer covering of a hair composed of overlapping scales

38.
The protein that makes up hair is called _____
a)
ninhydrin
b)
pigments 
c)
medulla
d)
keratin
39.

Where is Nuclear DNA found in the hair?

a)

hair shaft

b)

root or follicle

c)

tip

d)

medulla

40.

mtDNA is used to trace ancestry through the female line.

a)

True

b)

False

41.

Only inherited from the mother

a)

nuclear DNA

b)

mtDNA

c)

RNA

42.

Which of the following is NOT considered physical evidence?

a)

Fingerprints found on a weapon.

b)

A witness statement.

c)

Bloodstains on the floor.

d)

Fibers from clothing.

43.
a form used to record and preserve a person's fingerprints
a)
ridge count
b)
IAFIS
c)
ten card
d)
delta
44.
an impression left on any surface that consists of patterns made by the ridges on a finger
a)
minutiae
b)
fingerprint
c)
loop
d)
ridge count
45.

What fingerprint pattern is this?

a)

radial loop

b)

plain whorl

c)

tented arch

d)

accidental whorl

46.

The most common fingerprint pattern

a)

Loop

b)

Arches

c)

Whorl

d)

Twirl

47.

Check the 3 types of general fingerprint patterns

a)

Arches

b)

Whorls

c)

Loops

d)

Minutiae

48.

The best way to preserve a fingerprint is to

a)

freeze it

b)

wax coat it

c)

photograph it

d)

wrap it in plastic

49.
65% of the population has this type of pattern
a)
loops
b)
whorls
c)
arches
d)
ripples
50.
30% of the population has this type of pattern
a)
loops
b)
whorls
c)
arches
d)
ripples
51.
5% of the population has this type of pattern
a)
loops
b)
whorls
c)
arches
d)
ripples
52.

What Fingerprint is this (Right hand)

a)

Ulnar Loop

b)

Radial Loop

c)

Plain Whorl

53.

What Fingerprint is this (Left Hand)

a)

Ulnar Loop

b)

Radial Loop

c)

Plain Whorl

54.

What fingerprint type is this?

a)

Accidental Whorl

b)

Plain Arch

c)

Plain Whorl

d)

Tented Arch

55.

What are the red triangles?

a)

deltas

b)

useless

c)

forks

d)

loops

56.
Name this minutiae type
a)
Sludge
b)
Island (dot) 
c)
Bifurcation (fork) 
d)
Pore
57.
What does the CoDIS database contain?
a)
Mugshots
b)
DNA profiles
c)
Top-secret government information
d)
Facebook login information
58.
How many STR markers does the FBI use to identify criminals in America?
a)
17
b)
4
c)
26
d)
13
59.
Terri is creating a model of DNA, which of these shapes illustrates how her model should look? 
a)
A
b)
B
c)
C
d)
D
60.

A woman gets out of bed, watches TV, talks on the phone, pets a cat, and then shoots her boyfriend and runs away. Which object would be most useful to the forensic technician in finding out who the woman was?

a)

The TV

b)

The cat

c)

The phone

d)

The TV remote

61.
The DNA fingerprint pattern of a child is
a)
75% similar to the father
b)
75% similar to the mother
c)
50% bands similar to father and rest similar to mother
d)
Exactly similar to that of both of the parents
62.

Based on these Gel results, whose DNA was found in the blood stain at the crime scene?

a)

Bob

b)

Sue

c)

John

d)

Lisa

63.
DNA is recovered from a suspected dead soldier.  Which Parents are the likely parents of the soldier?
a)
Parents C and D
b)
Parents E and F
c)
Parents A and B
d)
Parents G and H
64.

Blood consists of 45% cells and 55%

a)

platelets

b)

plasma

c)

proteins

d)

lipids

65.

These proteins are found on the surface of red blood cells and they provide self identity

a)

antibodies

b)

DNA

c)

phospholipids

d)

antigens

66.

O blood type is also known as the

a)

universal acceptor

b)

universal donor

c)

lease effective blood type

d)

the positive protein

67.

Where are antibodies found?

a)

on the cell surface

b)

in the nucleus

c)

in the ribosome

d)

in the plasma

68.

The Rh factor antigen is represented by this symbol

a)

+

b)

X

c)

O

d)

A

69.

Identify this blood type

a)

A -

b)

A+

c)

O+

d)

AB+

70.

American blood types are 85%

a)

positive

b)

negative

71.

Which blood type is the universal acceptor?

a)

A-

b)

AB-

c)

AB+

d)

O+

72.

To determine whether a bloodstain is of human or animal origin, the serologist will perform:

a)

Kastle-Meyer Color Test.

b)

Benzidine Color Test.

c)

Hemastix Strip Test.

d)

Precipitin Test.

73.

Which direction was this blood drop traveling?

a)

south to north

b)

east to west

c)

west to east

d)

north to south

74.

Which sample is B-

a)
b)
c)
d)
75.

What type of blood spatter is typically created from a gunshot?

a)

medium velocity impact spatter

b)

high velocity impact spatter

c)

cast off

d)

void

76.

Which letter best shows the origin of the blood?

a)

A

b)

B

c)

C

d)

D

77.

The origin of the blood was to the __________ of the blood drops.

a)

right

b)

left

78.
How does the velocity of impact change the blood stain pattern?
a)
Higher velocity, larger diameter
b)
higher velocity, smaller diameter
c)
lower velocity, smaller diameter
d)
Medium velocity, small diameter
79.

The arrow is pointing to a

a)

satellite

b)

spine

c)

parent drop

80.

What blood group can receive blood from any blood group?

a)

Type A

b)

Type B

c)

Type AB

d)

Type O

81.

Leukocytes are also known as:

a)

Red blood cells

b)

White blood cells

c)

Plasma

d)

Platelets

82.

Erythrocytes are also known as:

a)

Red blood cells

b)

White blood cells

c)

Plasma

d)

Platelets

83.

The part of the blood that is the most by volume is the:

a)

Red blood cells

b)

White blood cells

c)

Plasma

d)

Platelets

84.

Blood type is determined by

a)

genetics

b)

environment

c)

genetics and environment

85.

The blood type shown would be classified as

a)

A-

b)

B-

c)

AB-

d)

B+

86.

The suspect's blood shown would be considered

a)

A+

b)

A-

c)

B-

d)

B+

87.

Blood is generally considered

a)

class evidence

b)

individual evidence

88.

These are found in blood and help fight infections...

a)

white blood cells

b)

platelets

c)

plasma

d)

red blood cells

89.

Which is the rarest blood type?

a)

O+

b)

O-

c)

B+

d)

AB-

90.

Red blood cells will do this if they encounter the wrong antibodies...

a)

swell

b)

agglutinate

c)

dehydrate

d)

no reaction will occur

91.

Proteins produced by the immune system that destroy foreign substances...

a)

antigens

b)

agglutinates

c)

platelets

d)

antibodies

92.

This determines whether a person's blood type is positive or negative...

a)

Rh factor

b)

platelets

c)

D antibodies

d)

plasma

93.
What does blood consist of?
a)
plasma, red blood cells, white blood cells, platelets
b)
hormones, oxygen, nutrients, water
c)
red blood cells
d)
carbon dioxide and minerals
94.
A young girl is missing, and investigators find a stained article of clothing where she was last seen. Testing the stain can tell investigators if the stain was:
a)
Twenty days old
b)
Animal blood
c)
An accidental spill.
d)
Caused by the killer.
95.

The function of platelets is...

a)

Bloodclotting

b)

Transporting oxygen

c)

Fighting infection

96.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
97.
What blood type has anti-A antibodies?
a)
Type A
b)
Type B
c)
Type AB
d)
Type O
98.
What blood type has anti-B antibodies?
a)
Type A
b)
Type B
c)
Type AB
d)
Type O
99.
Mike has type O blood. Mike can receive blood from someone who has Type A or Type B.
a)
True
b)
False
100.
Which is used to determine whether blood is present but not visible to the human eye?
a)
luminol
b)
gel electrophoresis
c)
precipitin
d)
chromatography

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