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Worksheetseye functions
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
Which part of the eye absorbs light from the sides of the eye?
a)
lens
b)
ciliary body
c)
choroid
d)
pupil
2.
What part of the eye has the highest concentration of rods and cones?
a)
optic nerve
b)
fovea centralis
c)
optic disk
d)
iris
3.
What part of the eye is the colored, muscular portion of the eye which controls pupil size?
a)
iris
b)
lens
c)
choroid
d)
ciliary body
4.
Which part of the eye is the outer white part of the eye?
a)
cornea
b)
iris
c)
ciliary body
d)
sclera
5.
What part of the eye focuses light on the retina?
a)
lens
b)
retina
c)
pupil
d)
ciliary body
6.
Type of photoreceptor that is active in bright light and perceives color?
a)
fovea centralis
b)
cones
c)
rods
d)
optic disk
7.
What part of the eye has NO photoreceptors
a)
fovea centralis
b)
optic disk
c)
retina
8.
What part of the eye is a clear protective structure that allows light to enter the eye?
a)
iris
b)
retina
c)
cornea
d)
choroid
9.
What part of the eye sends nerve impulses to the brain
a)
optic nerve
b)
iris
c)
cornea
d)
sclera
10.
What part of the eye sits on the outer surface of the cornea and lines the eyelids. This structure produces mucous
a)
iris
b)
lens
c)
retina
d)
conjunctiva
11.
Type of photoreceptor that functions in low light and creates shades of gray
a)
retina
b)
rod
c)
cone
d)
choroid
12.
What is the space inside the iris called?
a)
pupil
b)
ciliary body
c)
lens
d)
choroid
13.
What part of the eye controls lens shape?
a)
choroid
b)
lens
c)
iris
d)
ciliary body
14.
What part of the eye is the inner layer of the eyeball and contains the photoreceptors?
a)
sclera
b)
retina
c)
choroid
d)
conjunctiva
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