JAMB Biology 2017 Objective — Question 40
Question 40 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2017 Objective paper, with the correct answer and a full explanation.
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The most efficient respiratory structure used by free-living protozoan is
- A. A. body surfaceCorrect
- B. B. gills
- C. C. buccal cavity
- D. D. spiracle
Explanation
Free-living protozoans respire efficiently through their body surface; fishes use gills, and amphibians use the buccal cavity.
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