Adv Bio C 08 - special senses

The bacterial infection pinkeye is caused by irritation of the:

• choroid

• cornea

• conjunctiva

• sclera

Which of the following is NOT true about lysosomes?

• it is an enzyme

• it destroys bacteria

• it is found in tears

• it stimulates the rods & cones

Opens & closes to adjust the total amount of light entering the eye:

• iris

• sclera

• cornea

• lens

What is the innermost & most delicate layer of the eyeball, where the 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?

• iris

• optic nerve

• cornea

• lens

Which nerve transmits information from the eye to the brain?

• optic

• olfactory

• occulomotor

• trigeminal

Photoreceptors that detect color are called:

• rods

• cones

What part of the eye are the cones located?

• iris

• lens

• retina

• pupil

What is the function of the pupil?

• sends messages picked up by the retina to the brain

• the hole that controls the different amounts of light

• the colored part of the eye that controls the size of the opening

• transparent jelly-like fluid that fills the eye & refracts light