The Amazing Eye Quiz

What is the second most complex organ in the body?

• Liver

• Heart

• Kidney

• Eye

What is the outer dome covering the eye called?

• Pupil

• Cornea

• Retina

• Lens

How do corneas get oxygen?

• From the lens

• From the retina

• From blood vessels

• Directly from the air

What causes the red-eye effect in flash photos?

• Reflection from the retina

• Reflection from the optic nerve

• Reflection (bouncing off) from the cornea (the back of your eye)

• Reflection from the lens

What happens when the iris muscles relax?

• Pupil gets smaller

• Pupil becomes square

• Pupil becomes star-shaped

• Pupil gets bigger

What is the function of rods in the eye?

• Detecting color

• Detecting black and white

• Detecting brightness

• Detecting movement

What is the blind spot in the eye?

• Area with no rods or cones

• Area with high light sensitivity

• Area with blurry vision

• Area with color blindness

What fills in the missing information in the blind spot?

• The visual cortex

• The retina

• The optic nerve

• The brain

Why do we see different colors?

• Due to different textures of objects

• Due to different temperatures of objects

• Due to different shapes of objects

• Due to different wavelengths of visible light

What does the visual cortex in the brain do?

• Detects color blindness

• Fills in the blind spot

• Controls eye movements

• Translates upside-down images