WAEC Biology 2022 Objective — Question 9
Question 9 of 50 from the West African Examinations Council (WAEC) Biology 2022 Objective paper, with the correct answer and a full explanation.
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The total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animals are likely to be A. fish and human.
- A. toad and rat
- B. toad and fishCorrect
- C. humans and rat
Explanation
A human (X, few caudal vertebrae ~4, forming the coccyx) and a rat (Y, many caudal vertebrae ~27, having a long tail) match this description.
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