Free account: track your progress — Sign up free

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.

Advertisement

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.

Advertisement

Sign up free to unlock

  • Score tracking
  • Practice history
  • Saved questions
  • Progress dashboard
  • Personalized sessions
  • Weak-topic breakdown

…and/or go further with premium services and No Ads.