CAX IGCSE biol The Eye

Provide the correct label for A.

• Radial muscle

• Pupil

• Suspensory ligament

• Rod

Give the correct label for A.

• Conjuctiva

• Radial muscle

• Retina

• Cone

Label A correctly.

• Circular muscle

• Fovea

• Colour

• Iris

State the name of the process of adjusting to light.

• Iris reflex

• Cornea reflex

• Accomodation

• Ajudication

'Adapting the eye to see different distances'

• accomodation

• adjustment

• cornification

• short sightedness

Which part of the eye provides a link to the brain?

• Cornea

• Lens

• Conjuctiva

• Optic nerve

The eye is part of which section of the nervous system?

• Peripheral nervous system

• Central nervous system

Rods detect grey, black and white. Cones detect colour. Where are rods and cones?

• retina

• fovea

• iris

• sclera

Ciliary muscles Contract up Close, so which image shows accomodation of nearby objects?

• A

• B

• Neither

During accomodation, if ciliary muscles contract up close, what do they do accomodating objects far away?

• Also contract

• Relax