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WAEC Biology 1997 Question 53

Question 53

Variation

Which of the following is not a morphological variation

  1. A.Shape of nose
  2. B.Colour of skin
  3. C.Colour of eyes
  4. D.Ear lobe
  5. E.Tongue rolling
Show the answer and explanation

Answer: E (Tongue rolling)

Explanation

Tongue rolling is an ability (physiological variation), not a difference in body form.