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WAEC Biology 2004 Question 32

Question 32

Animal Nutrition

Which of the following teeth are well-developed to form the carnassial teeth of carnivorous mammals? The

  1. A.first lower premolar and third upper molar
  2. B.first lower molar and third upper premolar
  3. C.second lower premolar and first lower molar
  4. D.first lower molar and last upper premolar
Show the answer and explanation

Answer: D (first lower molar and last upper premolar)

Explanation

In carnivores such as the dog, the carnassial teeth are the last upper premolar and the first lower molar. Their sharp ridges slide past each other like scissors to slice flesh.