Quiz on Human Eye Anatomy

What is the function of the aqueous humour in the human eye?

• It changes the thickness of the lens.

• It is a thick watery substance that fills the front of the eye and provides nutrients for the lens.

• It controls the amount of light entering the eye.

• It carries nerve impulses away to the brain.

Where is the blind spot located in the human eye?

• At the point where the retina and the optic nerve meet.

• In the most sensitive part of the retina.

• In the colored part of the eye.

• At the front of the eye.

What is the role of the choroid in the human eye?

• It holds the lens in place.

• It is a thin layer of black tissue that prevents light from being reflected out of the eyes.

• It changes the thickness of the lens.

• It is the clear part of the sclera.

What does the conjunctiva cover in the human eye?

• The retina

• The cornea

• The lens

• The optic nerve

What is the function of the cornea in the human eye?

• It changes the shape to focus light onto the retina.

• It lets light into the eye.

• It carries nerve impulses to the brain.

• It contains rod and cone cells.

What part of the eye controls the size of the pupil?

• The lens

• The iris

• The sclera

• The optic nerve

What is the function of the vitreous humour in the human eye?

• It supports the back of the eye.

• It changes the thickness of the lens.

• It is the most sensitive part of the retina.

• It covers the cornea.

What is the role of the retina in the human eye?

• It is a tough, white, protective layer.

• It contains rod and cone cells that detect light and color.

• It changes the shape to focus light.

• It is a transparent jelly-like substance.

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

• It changes the thickness of the lens.

• It carries nerve impulses away to the brain.

• It controls the amount of light entering the eye.

• It is a thin membrane that covers the cornea.

What is the function of the ciliary muscle in the human eye?

• It changes the thickness of the lens when focusing.

• It is a thick watery substance that fills the front of the eye.

• It is the most sensitive part of the retina.

• It is a thin layer of black tissue beneath the retina.