The major drawback of DDT as a pesticide is that:
Correct answer: C. It is not rapidly degraded in nature
- A. Its cost of production is high
- B. Organisms at once developed resistance to it
- C. It is not rapidly degraded in nature
- D. It is significantly less effective than other pesticides
Explanation
DDT persists because microorganisms and natural processes break it down very slowly, allowing it to accumulate in soil, water and body tissues. Its persistence also enables biomagnification through food chains, unlike a rapidly degraded pesticide.
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