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Question

What is DDT among the following?
An organic fertilizer
A fertilizer
Biodegradable pollutant
Non-biodegradable pollutant

A

An organic fertilizer

B

Non-biodegradable pollutant

C

A fertilizer

D

Biodegradable pollutant

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Solution

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Those pollutants which cannot be broken down into simpler, harmless substances in nature, are called non-biodegradable pollutants.
DDT, plastics, polythene, bags, insecticides, pesticides, mercury, lead, arsenic, metal articles like aluminum cans, synthetic fibers, glass objects, iron products, and silver foils are non-biodegradable pollutants.

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