WAEC Biology 2018 Objective — Question 18
Question 18 of 50 from the West African Examinations Council (WAEC) Biology 2018 Objective paper, with the correct answer and a full explanation.
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The structures for gaseous exchange in breathing roots are
- A. stomata
- B. lenticelsCorrect
- C. Cuticle
- D. mitochondria
Explanation
Breathing (pneumatophore) roots have lenticels — small pores that allow gas exchange.
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