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Human Eye Labelling

Total questions: 11

Worksheet time: 7mins

Name
Class
Date
1.

This part of the human eye contains two sets of muscles which control the amount of light entering the eye.

a)

Sclera

b)

Iris

c)

Pupil

d)

Tear Gland

2.

What is this part of the eye labelled X? It allows light to enter the eye.

a)

Sclera

b)

Pupil

c)

Fovea

d)

Choroid

3.

What is the function of the Ciliary body?

a)

It contains ciliary muscles which control the curvature of the lens

b)

It is pigmented black to prevent internal reflection of light

c)

It keep the eyeball firm and helps refract light onto the retina

d)

It is elastic and changes its shape or thickness to refract light onto the retina

4.

When ciliary muscles relax, it ____________

a)

pulls on the suspensory ligaments

b)

relaxes its pull on the suspensory ligament

5.

When ciliary muscles contract, it ____________

a)

pulls on the suspensory ligaments

b)

relaxes its pull on the suspensory ligament

6.

What is the part of the eye labelled X?

(a)  

7.

What is the part of the eye labelled X?

a)

Ciliary muscle

b)

Suspensory ligament

c)

Choroid

d)

Retina

8.

The (a)   is the innermost layer of the eyeball. It is the light sensitive layer on which images are formed and it contains photoreceptors.

9.

The ______ is the dome-shaped transparent layer continuous with the sclera. It refracts light rays into the eye.

a)

Retina

b)

Cornea

c)

Lens

10.

The _____ controls movement of the eye.

a)

Ciliary muscle

b)

Rectus muscle

c)

Eyelash

d)

Sclera

11.

The (a)   nerve transmits nerve impulses to the brain when photoreceptors in the retina are stimulated.