WAEC Biology 2025 Objective — Question 18
Question 18 of 50 from the West African Examinations Council (WAEC) Biology 2025 Objective paper, with the correct answer and a full explanation.
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During the process of hearing in mammals, the structure in the middle ear which receives the first vibration is the
- A. Oval window
- B. Round window
- C. Incus
- D. MalleusCorrect
Explanation
The malleus is the first bone in the middle ear that receives the vibrations from the eardrum. The vibration is passed through the malleus to the incus and then to the stapes, which transmits it to the oval window.
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