Which of the following pollutants is not biodegradable?

By: Prof. Dr. Fazal Rehman | Last updated: February 3, 2024

Question:  Which of the following pollutants is not biodegradable?

A  Sewage

B  Garbage

C  DDT

D  Livestock waste

Answer:   DDT

 

 

 Aspect Biodegradable Pollutants Non-Biodegradable Pollutants
Decomposition Naturally broken down by biological processes over time. Do not break down easily through natural processes.
Examples ·        Domestic wastes (garbage)

·        Urine

·        Fecal matter

·        Sewage waste

·        Agriculture residues

·        Paper

·        Wood

·        Cloth

·        Cattle dung

·        Animal bones

·        Leather

·        Wool

·        Plants

·        DDT

·        Plastics (including polythene bags)

·        Insecticides

·        Pesticides

·        Mercury

·        Lead

·        Arsenic

·        Metal articles (e.g., aluminum cans) Synthetic fibers

·        Glass objects

·        Iron products

·        Silver foils

Environmental Impact Often less persistent and may have a lower long-term impact on ecosystems. Can persist in the environment for extended periods, leading to long-term harm.
Management May require less intensive cleanup efforts as they naturally degrade over time. Often require complex and costly cleanup methods
Effects on Ecosystems Can be incorporated into natural nutrient cycles and have less disruptive effects on ecosystems. Can accumulate in ecosystems, leading to toxicity and disruptions in food chains.
Recycling Can often be recycled or composted to minimize their environmental impact. Recycling options may be limited and reduction in use is a primary strategy.
Environmental Regulations Regulations may focus on managing disposal and encouraging biodegradable alternatives. Regulations often focus on minimizing use, proper disposal and treatment of non-biodegradable waste.
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