WAEC Biology 2020 Objective — Question 19
Question 19 of 50 from the West African Examinations Council (WAEC) Biology 2020 Objective paper, with the correct answer and a full explanation.
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What happens when the ciliary muscles of the eye contract?
- A. The lens become more concave
- B. lens become more convexCorrect
- C. lens get a longer focal length
- D. suspensory ligament becomes suspensory light
Explanation
When the ciliary muscles contract, the suspensory ligaments loosen and the lens becomes more spherical/convex, increasing its refractive power for near vision.
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