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JAMB Biology 1982 Question 29

Question 29

Sense Organs

External ears of mammals consist of

  1. A.pinna and tympanum
  2. B.pinna only
  3. C.auditory meatus only
  4. D.auditory meatus and pinna
  5. E.auditory meatus and tympanum
Show the answer and explanation

Answer: D (auditory meatus and pinna)

Explanation

The outer ear is the pinna and the ear canal (auditory meatus); the eardrum separates it from the middle ear.