Question

The following table summarises the differences between biodegradable and non-biodegradable pollutants. Pick out the wrong differences and select the correct answer.

• A. (i) and (iv)
• B. (ii) and (iv)
• C. (iii) and (iv)
• D. (ii), (iii) and (iv)

Answer 1

Answer: (C)

(iii) and (iv)

Answer 2

Biodegradable pollutants become part of rapid turnover in biogeochemical cycles. The examples of biodegradable pollutants are sewage, garbage, animal waste and livestock. Most non-biodegradable pollutants do not enter biogeochemical cycle e.g., $DDT$, $BHC$, plastics, polyethylene, cans, glass, etc.