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JAMB Biology 2001 Question 43

Question 43

Variation

In man, the ability to roll the tongue is a variation classified as

  1. A.anatomical
  2. B.physiological
  3. C.structural
  4. D.morphological.
Show the answer and explanation

Answer: B (physiological)

Explanation

Tongue rolling is something the body can or cannot do, not a visible shape, so it is a physiological variation.