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Parts of Eyes and Their Functions

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What is the function of the cornea in the eye?

a)

To produce tears

b)

To focus light into the eye and act as a protective barrier

c)

To regulate body temperature

d)

To detect colors

2.

Which part of the eye controls the amount of light entering the eye?

a)

pupil

b)

iris

c)

cornea

d)

retina

3.

What is the purpose of the iris in the eye?

a)

Help with hearing

b)

Control blood flow

c)

Regulate the amount of light entering the eye

d)

Aid in digestion

4.

What is the function of the lens in the eye?

a)

To focus light onto the retina

b)

To control eye movement

c)

To regulate body temperature

d)

To produce tears

5.

Which part of the eye contains photoreceptor cells?

a)

Lens

b)

Iris

c)

Retina

d)

Cornea

6.

What is the role of the retina in vision?

a)

The retina filters out harmful UV rays from entering the eye.

b)

The retina produces tears to lubricate the eyes.

c)

The retina converts light into neural signals for visual processing.

d)

The retina controls eye movement during vision.

7.

What is the function of the optic nerve in the eye?

a)

Regulate blood flow in the eye

b)

Transmit visual information from the eye to the brain.

c)

Produce tears for lubrication

d)

Control eye movement

8.

Which part of the eye is responsible for producing tears?

a)

Cornea

b)

Pupil

c)

Retina

d)

Lacrimal gland

9.

What is the purpose of the ciliary body in the eye?

a)

To secrete tears

b)

To regulate pupil size

c)

To produce aqueous humor and maintain intraocular pressure

d)

To detect light intensity

10.

Which part of the eye is responsible for focusing on objects at different distances?

a)

Pupil

b)

Lens

c)

Retina

d)

Cornea