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JAMB Chemistry 2015 Objective — Question 3

Question 3 of 49 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2015 Objective paper, with the correct answer and a full explanation.

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Which of the following uses diffusion as the principal method of gaseous exchange?

  • A. Grasshopper
  • B. Rat
  • C. Lizard
  • D. EarthwormCorrect

Explanation

The earthworm has a large surface area to volume ratio, making diffusion an efficient means of gaseous exchange through its moist skin.

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