GCSE Biology – The eye – Ciliary muscles and suspensory ligaments
Learning Objectives
-I can describe the functions of the ciliary muscles and suspensory ligaments
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Question 1 of 20
1. Question
Where are the ciliary muscles and suspensory ligaments?
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Question 2 of 20
2. Question
What does the ciliary muscles surround?
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Question 3 of 20
3. Question
What do the ciliary muscles and suspensory ligaments do?
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Question 4 of 20
4. Question
What muscles act on the pupil?
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Question 5 of 20
5. Question
What happens to radial and circular muscles in bright light?
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Question 6 of 20
6. Question
What does this cause the pupil to do in bright light?
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Question 7 of 20
7. Question
Why is the pupil contracted in bright light?
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Question 8 of 20
8. Question
What happens to radial and circular muscles in dim light?
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Question 9 of 20
9. Question
What does this cause the pupil to do in dim light?
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Question 10 of 20
10. Question
Why is the pupil dilated in dim light?
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Question 11 of 20
11. Question
What is changing the shape of lens to focus on near or distant objects?
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Question 12 of 20
12. Question
Why do we need accommodation?
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Question 13 of 20
13. Question
What ligaments are involved in accommodation?
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Question 14 of 20
14. Question
What parts of the eye are involved in accommodation?
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Question 15 of 20
15. Question
What happens to focus on a near object?
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Question 16 of 20
16. Question
What happens to focus on a distant object?
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Question 17 of 20
17. Question
What happens to the lens when focussing on a near object?
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Question 18 of 20
18. Question
What does the thicker lens do to light rays?
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Question 19 of 20
19. Question
What happens to the lens when focussing on a distant object?
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Question 20 of 20
20. Question
What does the thinner lens do to light rays?
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