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JAMB Biology 2022 Objective — Question 22

Question 22 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2022 Objective paper, with the correct answer and a full explanation.

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22. Which of the following organs is used for gaseous exchange in a mature toad?

  • A. (A) skin, lungs and mouthCorrect
  • B. (B) Gills, lungs and ear drum
  • C. (C) mouth, skin and gills
  • D. (D) lungs and ear drum

Explanation

An adult amphibian uses its skin (cutaneous respiration), lungs (pulmonary respiration) and mouth (buccal respiration) for gaseous exchange.

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