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WAEC Biology 2025 Question 38

Question 38

Sense Organs

During the process of hearing in mammals, the structure in the middle ear which receives the first vibration is the

  1. A.incus.
  2. B.malleus.
  3. C.oval window.
  4. D.round window.
Show the answer and explanation

Answer: B (malleus.)

Explanation

The eardrum passes its vibrations first to the malleus, then the incus and stapes; the oval window is the membrane between the middle and inner ear that receives them last.