Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2 Hair Analysis Review

Total questions: 40

Worksheet time: 46mins

Name
Class
Date
1.

What are the three main parts of human hair structure?

a)

Follicle, Root, Shaft

b)

Medulla, Cortex, Cuticle

c)

Hair, Skin, Nail

d)

Epidermis, Dermis, Hypodermis

2.

Which part of the hair contains the medulla, cortex, and cuticle?

a)

Follicle

b)

Root

c)

Shaft

d)

Tip

3.

What is one function of hair?

4 lines
4.

What type of DNA can be found in hair?

a)

Nuclear DNA

b)

Mitochondrial DNA

c)

Both nuclear and mitochondrial

d)

Ribosomal DNA only

5.

What method is used to analyze the chemical content of hair?

a)

Gas chromatography

b)

Mass spectrometry

c)

X-ray diffraction

d)

UV spectroscopy

6.

What can the isotope ratio in hair tell us?

a)

Age

b)

Diet

c)

Where someone lived or traveled

d)

Hair color

7.

What is the minimum PMI that hair can help determine?

a)

Time in between death and discovery

b)

Specific date of death

c)

What someone was doing at the time of death

d)

None of the above

8.

What is a key difference between animal and human hair?

a)

Length

b)

Pigmentation

c)

Thickness

d)

Color

9.

The outermost layer of hair is called the

a)

cuticle

b)

cortex

c)

keratin

d)

medulla

10.

What is the medulla?

a)

the central core of the hair shaft that may be absent in some species

b)

the protein rich structure around the central core of the hair shaft that contains pigment

c)

the outer covering of the hair shaft that is composed of overlapping scales

d)

part of the brain

11.

_____is the portion of the hair that is seen above the skin.

a)

root

b)

base

c)

follicle

d)

shaft

12.
Hair is helpful in solving old crimes because…
a)
hair on a suspect never changes
b)
hair always contains DNA evidence
c)
hair takes little room to store in evidence closets
d)
hair does not easily decompose
13.

How can you tell a human hair follicle from an animal hair follicle?

a)

By the cortex and the type of cuticle

b)

By the medulla index and the type of medulla

c)

By the medulla index and the type of cuticle

d)

By the type of cuticle and the color

14.

Which describes a human hair from an animal hair?

a)

Human hair has a thick medulla and a spinous cuticle

b)

Human hair has a thin medulla and a imbricate cuticle

c)

Human hair has a thick medulla and a coronal cuticle

d)

Human hair has a thin medulla and no cuticle

15.

Coronal types of cuticles are commonly found in ...

a)

all animals

b)

Rodents

c)

Humans

d)

Dogs

16.

Spinous types of cuticles are commonly found in ...

a)

all animals

b)

Rodents

c)

Cats

d)

Dogs

17.

Imbricate types of cuticles are commonly found in ...

a)

all animals

b)

Rodents

c)

Cats

d)

Dogs and humans

18.

What is the correct order of the hair growth phases of a follicle?

a)

There is no exact order

b)

Catagen, telogen and anagen

c)

Anagen, catagen and telogen

d)

Telogen, anagen and catagen

19.

During analysis of a hair follicle the scientists notices that their is 3.9 cm of grey on the root of the hair follicle. Which is the closest estimate to how long ago the victim dyed their hair?

a)

6 months ago

b)

1.5 months ago

c)

4 months ago

d)

3 months ago

20.

Which is a coronal cuticle?

a)
b)
c)
d)

none of the above

21.

Which is a imbricate cuticle?

a)
b)
c)
d)

none of the above

22.

Which is a fragmented Medulla?

a)

b)

c)

d)

23.

Which is a intermittent Medulla?

a)

b)

c)

d)

24.

Which is a continuous Medulla?

a)
b)
c)
d)
25.

Which hair is human hair?

a)

b)

c)

d)

26.
Type of cuticle
a)
coronal
b)
spinous
c)
imbricate
d)
solid
27.

Should you need to collect control samples from suspects, how many hairs do you need to collect from their heads?

a)

50, plucked

b)

25, cut

c)

25, plucked

d)

50, cut

28.

What is one difference you may see when you look at facial hair under the microscope as compared to other types of hair from humans?

a)

It is finer than other types of hair

b)

It may have a double medulla

c)

It tapers to a point

d)

Its tips are commonly blunt or frayed

29.

Which is NOT true about nuclear DNA?

a)

It is DNA found in the hair root

b)

It is considered individual evidence

c)

It can be found in the shaft of the hair

d)

It contains two sets of chromosomes - one from mom and one from dad

30.

Which is not true about hair as evidence?

a)

Hair can be class or individual evidence

b)

Hair does not degrade easily and, therefore, makes good evidence

c)

Microscopic Hair Analysis can be the sole piece of evidence in a case convicting someone

d)

Hair is easily transferred, and therefore, makes good evidence

31.

A tube-like depression or pocket in the skin or scalp that contains the hair root is called the __________________.

a)

Hair follicle

b)

Dermal papilla

c)

Hair bulb

d)

Arrector Pili

32.

The cortex is the ___________ layer of the hair.

a)

Middle

b)

Inner

c)

Outer

d)

Top

33.
When evidence can only be associated with a group and never with a single source, that evidence is said to possess:
a)
Class categories
b)
Class characteristics
c)
Group categories
d)
Group characteristics
34.
We know hair is from a human if…
a)
The medullary index is 0.5 or greater           
b)
The medullary index is 0.33 or less
c)
The cuticle is coronal
d)
The medulla is fragmented
35.
The hair shaft is composed of what important protein?
a)
Cellulose 
b)
Chitin
c)
Peptidoglycan
d)
Keratin
36.
Who was the first person to apply the principles of forensic science to a working crime laboratory?
a)
Anton VanLeeuwenhoek
b)
Shelly Learned
c)
Edmond Locard
d)
C.  Sir Francis Galton
37.

individual evidence

a)

bits of pigment found in the cortex of a hair

b)

a kind of evidence that identifies a particular person or thing

c)

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

d)

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

38.

melanin granules

a)

the central core of a hair fiber

b)

the tough outer covering of a hair composed of overlapping scales

c)

bits of pigment found in the cortex of a hair

d)

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

39.

If you didn't cut your hair for a month, how much will it grow?

4 lines
40.

Months after moving back from an area that was found to have arsenic in the water, where would you find evidence of this?

a)

Hair root

b)

Hair shaft/tip

c)

Folicle

d)

All of the answers

Similar Resources on Wayground

Electricity Remediation

37 questions

Electricity Remediation

quiz

Worksheet

•

9th - 10th Grade

TEST 4 Review - Nucleic Acids, Central Dogma/Protein Synthesis

41 questions

TEST 4 Review - Nucleic Acids, Central Dogma/Protein Synthesis

quiz

Worksheet

•

9th - 12th Grade

Working Scientifically

35 questions

Working Scientifically

quiz

Worksheet

•

10th Grade

Plate Tectonics Overview

38 questions

Plate Tectonics Overview

quiz

Worksheet

•

7th - 9th Grade

Cell Division Quiz

40 questions

Cell Division Quiz

quiz

Worksheet

•

9th - 11th Grade

Revision Quiz Part I

38 questions

Revision Quiz Part I

quiz

Worksheet

•

6th - 10th Grade

สอบปลายภาค1/2564 วิชาวิทยาศาสตร์กายภาพ

45 questions

สอบปลายภาค1/2564 วิชาวิทยาศาสตร์กายภาพ

quiz

Worksheet

•

10th Grade