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Unit 14 · Coordination and Response

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Cambridge IGCSE Biology 0610 · 97 questions

Q50Coordination and Response

Which part of the eye controls how much light enters?

(a)Lens
(b)Iris
(c)Retina
(d)Cornea

Correct answer: (b) Iris

Related lesson

14.2 Sense organs (Part 5)Coordination and Response

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BiologyCoordination and ResponseCambridge IGCSE Biology 0610