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WAEC Biology 2018 Question 26

Question 26

Animal Nutrition

Which of the following dental formulae represents the dentition in rabbits?

  1. A.I 2/1, C 0/0, P 3/2, M 3/3
  2. B.I 2/2, C 1/1, P 2/2, M 3/3
  3. C.I 1/2, C 0/0, P 2/3, M 3/3
  4. D.I 2/1, C 0/1, P 3/2, M 3/3
Show the answer and explanation

Answer: A (I 2/1, C 0/0, P 3/2, M 3/3)

Explanation

A rabbit has 2 upper and 1 lower incisor on each side, no canines (leaving a gap, the diastema), 3 upper and 2 lower premolars, and 3 molars above and below.