U.C.E BIOLOGY 2006 PAPER 1 QN 33

Figure 5 represents a section through a mammalian eye

a) Give two functions of structure A to the eye.

b) (i) What stimulus does structure B respond to?

(ii) How does structure B respond to the stimulus stated in (b)(i)?

c) How is part C involved in the change of focus of the eye from a distant object to a near object?

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