It is the transparent, curved front of the eye which helps to converge the light rays which enter the eye
Eye: Function of parts of the eye

Quiz
•
Science
•
11th Grade
•
Medium
Deborah Shoham
Used 201+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Retina
Cornea
Sclera
Pupil
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It is a thin protective covering of epithelial cells. It protects the cornea against damage by friction. It can become infected causing conjuctivitis.
Conjunctiva
Sclera
Cornea
Lens
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is an opaque, fibrous, protective outer structure. It is soft connective tissue, and the spherical shape of the eye is maintained by the pressure of the liquid inside. It provides attachment surfaces for eye muscles
Retina
Conjunctiva
Cornea
Sclera
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Has a network of blood vessels to supply nutrients to the cells and remove waste products. It is pigmented that makes the retina appear black, thus preventing reflection of light within the eyeball.
Retina
Choroid
Sclera
Fovea
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Has suspensory ligaments that hold the lens in place. It secretes the aqueous humour, and contains ciliary muscles that enable the lens to change shape, during accommodation (focusing on near and distant objects)
Ciliary body
Iris
Lens
Retina
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is a pigmented muscular structure consisting of an inner ring of circular muscle and an outer layer of radial muscle. Its function is to help control the amount of light entering the eye so that:
- too much light does not enter the eye which would damage the retina
- enough light enters to allow a person to see
Iris
Pupil
Lens
Retina
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Is a hole in the middle of the iris where light is allowed to continue its passage. In bright light it is constricted and in dim light it is dilated
Cornea
Iris
Pupil
Fovea
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