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Homeostasis and Coordination
Quick questions on The human eye: N(A)-Level Biology Homeostasis and Coordination
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the pupil reflex?Show answer
The eye adjusts to how bright it is by changing the size of the pupil. This is an automatic reflex controlled by two sets of muscles in the iris:
What is q1?Show answer
Name the part of the eye that detects light. [1 mark]
What is q2?Show answer
State what happens to the pupil in bright light. [1 mark]
What is q3?Show answer
Explain why the pupil gets larger in dim light. [2 marks]
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