Hair and Fiber
Authored by Charles Martinez
Other Sciences
12th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The protein that makes up hair is called _____
ninhydrin
pigments
medulla
keratin
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The smallest unit of textile material that has a length many times greater than its diameter is..
keratin
cuticles
fibers
chromatography
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The deepest layer of hair (compared to the lead of a pencil) is the ___
medulla
cortex
cuticle
keratin
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The middle layer of a hair (compared to the wood of a pencil) is the __
medulla
cortex
cuticle
keratin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The outside layer of a hair (compared to the ink on a pencil) is the ___
medulla
cortex
cuticle
keratin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The name for man-made fibers is:
processed fibers
synthetic fibers
natural fibers
modified fibers
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is NOT a characteristic of the medulla that varies and therefore should be observed?
scales
opacity
thickness
continuity
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