Quiz: Eye anatomy and brain basics

Opens and closes to adjust the total amount of light entering the eye.

• Iris
• Scelera
• Cornea
• Human lens

What is the innermost layer and most delicate layer of the eyeball where photoreceptors are located?

• Sclera
• Choroid
• Retina
• Cornea

What light sensitive cells are stimulated in dim light?

• rods
• cones

What part of the eye bends light to focus it on the retina?

• Retina
• Iris
• Optic Nerve
• Lens

Which part of the eye contracts and dilates based on the environment? 

• Pupil
• Cornea
• Sclera
• Iris

Tags

NGSS.HS-LS1-3

Which nerve transmits information from the eye to the brain?

• Optic
• Olfactory
• Occulomotor
• Trigeminal

What is letter B

• Optic nerve

• Lens

• Cornea

• Retina

• Pupil

Tags

NGSS.MS-LS1-8

What is letter E?

• Vitreous humor
• Retina
• Cornea
• Optic nerve

Tags

NGSS.MS-LS1-8

What is letter G?

• Sclera

• Retina

• Lens

• Vitreous humor

• Pupil

Tags

NGSS.MS-LS1-8

What is letter I?

• Cornea

• Lens

• Vitreous humor

• Optic nerve

• Pupil

Tags

NGSS.MS-LS1-8