What is DDT among the following :
- (A)Greenhouse gas
- (B)A fertilizer
- (C)Biodegradable pollutant
- (D)Non-biodegradable pollutant✓ Correct
Answer: (D)
Solution
DDT is a chlorinated organic insecticide whose stable carbon--chlorine bonds resist microbial attack, so it lingers in soil and water and builds up along food chains. Because living systems cannot break it down readily, it is classed as a non-biodegradable pollutant.
JEE Main · 2012 · 29 Apr 2012 · Offline · Single correct option