WAEC Biology 2024 Objective — Question 27
Question 27 of 50 from the West African Examinations Council (WAEC) Biology 2024 Objective paper, with the correct answer and a full explanation.
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Tooth decay is usually caused by
- A. undigested and absorbed food
- B. eating limited amount of sweetened food
- C. the bacteria in the mouth that metabolize sugar to acidsCorrect
- D. eating a lot of proteinous foods
Explanation
Tooth decay is usually caused by the bacteria in the mouth that metabolize sugar to acids.
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