Which of the following is a major source of 'Pharmaceutical Pollution' in water bodies?
- Rainwater harvesting
- Improper disposal of unused medicines and excretion of drugs by humans/animals
- Organic farming
- Afforestation
Answer: Improper disposal of unused medicines and excretion of drugs by humans/animals
Pharmaceutical residues enter water systems through sewage, agricultural runoff, and manufacturing effluents, posing risks to aquatic life and potentially human health.