Human Eye Quiz

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

• To protect the eye

• To focus light onto the retina

• To adjust the size of the pupil

• To detect light

The transparent layer covering the front part of the eye is called:

• Sclera

• Retina

• Cornea

• Iris

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

• Cornea

• Iris

• Lens

• Retina

The lens of the eye is held in place by:

• Iris muscles

• Ciliary muscles

• Retina muscles

• Corneal muscles

Which cells in the retina are responsible for color vision?

• Rods

• Cones

• Ganglion cells

• Bipolar cells

The region where the optic nerve leaves the eye and lacks receptors is called:

• Macula

• Fovea

• Blind spot

• Yellow spot

What is the fluid-filled chamber between the cornea and the lens called?

• Vitreous humor

• Aqueous humor

• Pupil

• Iris

The ability of the eye to focus on near and distant objects is called:

• Myopia

• Accommodation

• Hypermetropia

• Astigmatism

Which of the following is a characteristic of the fovea?

• Contains only rods

• Is the blind spot

• Provides sharp central vision

• Controls eye movement

What is the main function of the vitreous humor in the eye?

• To maintain the shape of the eye

• To nourish the lens

• To adjust the size of the pupil

• To refract light