WAEC Biology 2012 Objective — Question 46
Question 46 of 60 from the West African Examinations Council (WAEC) Biology 2012 Objective paper, with the correct answer and a full explanation.
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The use of water closet and septic tanks is preferred to the use of pit, bucket and pail latrines because it is
- A. the most efficient
- B. most cost effective
- C. least likely to spread diseasesCorrect
- D. most convenient
Explanation
The use of water closet and septic tanks ensure contaminated faeces are completely kept away from flies, reducing the incidence of cholera.
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