Why should you name ddt as a non-biodegradable substance? Give reason in support of your answer?
Answers
Answered by
1
DDT or Dichloro Diphenyl Trichloroethane was a commonly used as an insecticide
The persistence of DDT in the food chain and its effects on various wildlife was one of the reasons for the ban, although there are others.
Acute and chronic toxicity in humans.
An endocrine disruptor and possibly carcinogenic.
Interferes in thyroids in pregnancy and childhood.
Despite the immense utility of DDT for vector control its usefulness is prejudiced by its stability in the environment and by the low rate at which it can be degraded biologically. Metabolic studies in insects, in mice, and in a model ecosystem with several food chains have shown that DDT analogues with substituent groups readily attacked by multifunction oxidases undergo a substantial degree of biological degradation and do not appear to be stored readily in animal tissues or concentrated in food chains
Detailed metabolic pathways have been worked out and it is clear that comparative biochemistry can be used to develop DDT analogues that are adequately persistent yet biodegradable. A number of new DDT analogues have been evaluated for insecticidal activity against flies and mosquitos and for their potential usefulness as safe, persistent, and biodegradable insecticides.
The persistence of DDT in the food chain and its effects on various wildlife was one of the reasons for the ban, although there are others.
Acute and chronic toxicity in humans.
An endocrine disruptor and possibly carcinogenic.
Interferes in thyroids in pregnancy and childhood.
Despite the immense utility of DDT for vector control its usefulness is prejudiced by its stability in the environment and by the low rate at which it can be degraded biologically. Metabolic studies in insects, in mice, and in a model ecosystem with several food chains have shown that DDT analogues with substituent groups readily attacked by multifunction oxidases undergo a substantial degree of biological degradation and do not appear to be stored readily in animal tissues or concentrated in food chains
Detailed metabolic pathways have been worked out and it is clear that comparative biochemistry can be used to develop DDT analogues that are adequately persistent yet biodegradable. A number of new DDT analogues have been evaluated for insecticidal activity against flies and mosquitos and for their potential usefulness as safe, persistent, and biodegradable insecticides.
Similar questions