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Anatomy of the Human Eye

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

What is the tough outer wall of the eye that maintains its shape called?

a)

Iris

b)

Cornea

c)

Sclera

d)

Retina

2.

Which part of the eye bends light as it enters?

a)

Pupil

b)

Macula

c)

Cornea

d)

Lens

3.

What is the colored part of the eye that controls the size of the pupil?

a)

Iris

b)

Sclera

c)

Retina

d)

Choroid

4.

Which structure in the eye converts light into electrical signals?

a)

Lens

b)

Retina

c)

Cornea

d)

Optic Nerve

5.

What is the gel-like substance that fills the space between the lens and retina?

a)

Aqueous Humor

b)

Macula

c)

Choroid

d)

Vitreous Humor

6.

Which part of the eye is responsible for sharp, detailed central vision?

a)

Choroid

b)

Macula & Fovea

c)

Lens

d)

Pupil

7.

What is the function of the optic nerve?

a)

To refract light

b)

To transmit electrical signals to the brain

c)

To produce aqueous humor

d)

To control the pupil size

8.

Which fluid fills the front part of the eye between the cornea and lens?

a)

Choroid Fluid

b)

Retinal Fluid

c)

Aqueous Humor

d)

Vitreous Humor

9.

What is the transparent, dome-shaped front part of the eye called?

a)

Lens

b)

Cornea

c)

Sclera

d)

Retina

10.

Which layer of the eye contains blood vessels that nourish the retina?

a)

Fibrous Tunic

b)

Vascular Tunic

c)

Sclera

d)

Neural Tunic

11.

What is the function of the ciliary body?

a)

To control pupil size

b)

To produce aqueous humor and change lens shape

c)

To transmit signals to the brain

d)

To refract light

12.

Which part of the eye appears black and is the central opening in the iris?

a)

Retina

b)

Macula

c)

Pupil

d)

Lens

13.

What is the thin membrane covering the front of the eye and inner eyelids called?

a)

Cornea

b)

Sclera

c)

Retina

d)

Conjunctiva

14.

Which muscles are responsible for moving the eyeball?

a)

Ciliary Muscles

b)

Iris Muscles

c)

Extraocular Muscles

d)

Retinal Muscles

15.

What is the clear disc behind the iris that changes shape to focus light onto the retina?

a)

Lens

b)

Cornea

c)

Pupil

d)

Macula

16.

Which photoreceptor cells in the retina are responsible for color vision?

a)

Cones

b)

Rods

c)

Macula Cells

d)

Fovea Cells

17.

What is the primary function of the sclera?

a)

To produce aqueous humor

b)

To refract light

c)

To nourish the retina

d)

To maintain the eye's shape

18.

Which part of the retina is responsible for dim light vision?

a)

Rods

b)

Cones

c)

Macula

d)

Fovea

19.

What is the role of the choroid in the eye?

a)

To transmit signals to the brain

b)

To nourish the retina

c)

To refract light

d)

To control pupil size

20.

Which structure in the eye regulates the amount of light entering?

a)

Lens

b)

Iris

c)

Retina

d)

Cornea

21.

What is the primary function of the aqueous humor?

a)

To control pupil size

b)

To maintain eye shape

c)

To nourish the cornea and lens

d)

To transmit signals to the brain

22.

Which part of the eye contains the fovea?

a)

Macula

b)

Choroid

c)

Lens

d)

Sclera

23.

What is the role of the vitreous humor?

a)

To refract light

b)

To nourish the retina

c)

To maintain the eye's shape

d)

To control pupil size

24.

Which layer of the eye is also known as the fibrous tunic?

a)

Middle Layer

b)

Outer Layer

c)

Inner Layer

d)

Neural Tunic

25.

What is the primary function of the lens?

a)

To refract light

b)

To focus light onto the retina

c)

To nourish the retina

d)

To control pupil size

26.

Which part of the eye is dome-shaped and transparent?

a)

Cornea

b)

Retina

c)

Lens

d)

Sclera

27.

What is the central area of the retina responsible for detailed vision?

a)

Pupil

b)

Choroid

c)

Macula

d)

Lens

28.

Which layer of the eye is also known as the vascular tunic?

a)

Middle Layer

b)

Inner Layer

c)

Outer Layer

d)

Fibrous Tunic

29.

What is the role of the extraocular muscles?

a)

To refract light

b)

To nourish the retina

c)

To control pupil size

d)

To move the eyeball

30.

Which part of the eye contains photoreceptor cells?

a)

Retina

b)

Cornea

c)

Lens

d)

Sclera