Senses Quiz

In normal vision, where is the image focused?

• In front of the retina

• On the retina

• Behind the retina

• On the cornea

What part of the eye is directly involved in focusing light?

• Iris

• Retina

• Lens

• Optic nerve

Which part of the eye connects to the brain?

• Retina

• Lens

• Optic nerve

• Pupil

What do cones enable humans to see?

• Only in dim light

• Color and fine detail

• Black and white

• Only in the periphery

What is the main function of binocular fusion?

• To enhance color perception

• To combine two images into one

• To increase light sensitivity

• To improve night vision

What is the function of the pinna or the ear lobe in the ear?

• To transmit sound waves to the brain

• To collect and direct sound waves into the auditory canal

• To balance the body

• To produce sound waves

What do sound waves pass through to reach the auditory nerve?

• Tiny bones and hair-like cells

• The outer ear

• The brain

• The nose

The ​ (a)   changes in diameter in response to the intensity of light entering the eye. Light is necessary to activate the cells of the ​ (b)   .

• pupil
• retina

The human ear receives sound waves as ________________________ and converts them to signals that are processed by the brain 

• electricity 
• vibrations 
• pitch 
• light 

NOT a primary taste sensation

• bitter

• salty

• sweet

• peppery