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Quiz: Pupils and Light Intensity - Reflex Control
AQA GCSE Biology 8461 specification
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Welcome! You've learned about how the nervous system and reflexes help maintain homeostasis. Now, let's test your knowledge of how the pupil reacts to changes in light intensity!
What happens to the pupil in bright light?
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Which parts of the eye are involved in the pupil reflex? (Select all that apply)
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When light intensity increases, the circular muscles in the {{blank0}} contract and the pupil becomes {{blank1}}.
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Match the items on the left with their correct pairs on the right
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Why is the pupil reflex important?
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Which of the following are true about the pupil reflex? (Select all that apply)
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Match the items on the left with their correct pairs on the right
Match the items on the left with their correct pairs on the right
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The pupil reflex is an example of a {{blank0}} action because it happens automatically to protect the {{blank1}}.
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Which type of muscle in the iris contracts to make the pupil widen in dim light?
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What triggers the pupil reflex?
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