JAMB Biology 2013 Objective — Question 40
Question 40 of 50 from the Joint Admissions and Matriculation Board (JAMB) Biology 2013 Objective paper, with the correct answer and a full explanation.
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A pollutant that is biodegradable is
- A. cellophane
- B. sewageCorrect
- C. crude oil
- D. heavy metals
Explanation
Biodegradable substances can be broken down to a harmless natural state by microorganisms. Sewage is biodegradable, while cellophane, crude oil and heavy metals are non-biodegradable.
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