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WorksheetsCh 10 Hair and Fiber
Total questions: 23
Worksheet time: 12mins
Name
Class
Date
1.
What is individual evidence?
a)
Evidence that can isolate or exclude a or group of people as a suspect.
b)
Evidence that is unique and can only be traced to one person.
c)
A video recording or witness testimony
d)
evidence that comes from living things
2.
Hair evidence is
a)
Individual Evidence
b)
Direct Evidence
c)
Class Evidence
d)
All of These
3.
What can a forensic scientist determine by looking at hair?
a)
Scale Type
b)
Medulla type
c)
Shape
d)
All of the above
4.
Number 1 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These
5.
Number 2 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These
6.
Number 3 is pointing to what structure of the hair?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
None of These
7.
the tough clear outside covering of a hair shaft is
a)
cuticle
b)
cortex
c)
medulla
d)
polymer
8.
the middle layer of a hair shaft that provides its shape and color is?
a)
the cortex
b)
the medulla
c)
the cuticle
d)
the polymer
9.
Which part of the hair has scales on it?
a)
Cortex
b)
Medulla
c)
Cuticle
d)
Hair doesn't have scales
10.
A pigment is a molecule that reflects light. We have a pigment in our hair, skin, and eyes that determines their color. What do we call this pigment?
a)
Melanin
b)
Cortical Fusi
c)
Cuticles
d)
Chlorophyll
11.
The following medullary pattern is called
a)
fragmented
b)
continuous
c)
interrupted/intermittent
d)
There is no medulla present - absent
12.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
There is no medulla - Absent
13.
What kind of medulla is this?
a)
Fragmented
b)
Continuous
c)
Interrupted/Intermittent
d)
There is no medulla - Absent
14.
Is this hair from an animal or human?
a)
Human
b)
Animal
15.
Did this hair fall out naturally, or was it forcibly removed?
a)
Fell out naturally
b)
Was forcibly removed
16.
If a hair contains DNA what kind of evidence does it become?
a)
Class Evidence
b)
Direct Evidence
c)
Individual Evidence
d)
Tampered Evidence
17.
Fiber evidence is
a)
Individual Evidence
b)
Direct Evidence
c)
Class Evidence
d)
All of These
18.
Fibers can be categorized into two major groups. What are they?
a)
Vegetable and Protein
b)
Natural and Synthetic/Man-made
c)
Mineral and Inorganic
d)
Synthetic Fiber
19.
Fibers can be identified using chemical tests.
a)
true
b)
false
20.
Cellulose is another name for
a)
Plant fibers
b)
Animal Fibers
c)
Man-made fibers
d)
Mineral Fibers
21.
Cotton is an example of what type of fiber?
a)
Animal/Protein
b)
Plant/Cellulose
c)
Mineral
d)
Synthetic
22.
hair is commonly found at crimescenes
a)
true
b)
false
23.
hair always contains DNA
a)
true
b)
false
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