41.DDT is A. Biodegradable insecticide B. Non-biodegradable insecticide C. Biodegradable fertiliser D. Non-biodegradable fertiliser
Option D 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 aluminium cans, synthetic fibers, glass objects, iron products, and silver foils are non-biodegradable pollutants