Human Vision and Hearing Quiz

Which layer of the eye consists of the sclera and cornea?

• Outer layer

• Upper layer

• Inner layer

• Middle layer

What is the function of the cornea in the eye?

• To bring nutrients to the eye

• To hold the lens of the eye

• To focus incoming light

• To protect the eye from damage

Which part of the eye holds the lens?

• Iris

• Choroid

• Sclera

• Ciliary body

What is the opening in the middle of the iris called?

• Retina

• Pupil

• Lens

• Cornea

Which part of the ear collects sound waves and sends them to the ear canal?

• Inner ear

• Eardrum

• Middle ear

• Outer ear

What is the function of the eustachian tube in the middle ear?

• Sends sound vibrations to the brain

• Holds the ear bones

• Equalizes the pressure inside and outside of the eardrum

• Accepts information from sound vibrations

Which part of the ear consists of the cochlea and semicircular canals?

• Eardrum

• Inner ear

• Middle ear

• Outer ear

What are the receptors in the cochlea called?

• Receptors

• Rod cells

• Hair cells

• Cone cells

Which type of receptors are sensitive to light and do not distinguish color?

• Receptors

• Cone cells

• Rod cells

• Hair cells

How many types of cones are there in the eye, each sensitive to different colors?

• Three

• One

• Four

• Two