(1) Feature A on the diagram above is: Choose an answer the pupil the lens the vitreous humour the optic nerve

(2) Feature B on the diagram above is: Choose an answer the vitreous humour the lens the retina the pupil

(3) Feature C on the diagram above is: Choose an answer the sclera the optic nerve the aqueous humour the cornea

(5) Which part of the eye changes in response to light? Choose an answer the ciliary muscles the iris the retina the sclera

(6) When you focus on distant objects, what shape is the lens? Choose an answer fat round stays the same thin

(7) Which part of the eye sends messages to the brain? Choose an answer the optic nerve the sclerotic layer the cornea the iris

(9) What happens to the ciliary muscles when you focus on close objects? Choose an answer they curve they relax they contract they stay the same

(10) Which cells can see colour? Choose an answer rods pyramids cones spheres

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