Q. Which Uttar Pradesh river was declared a ‘Biological Disaster’ due to pollution? [UPPSC 2018]
Answer: Gomati
Notes: Gomati River in Uttar Pradesh was declared a ‘Biological Disaster’ due to heavy pollution from untreated sewage, industrial effluents, and solid waste, especially near Lucknow, causing collapse of aquatic life and loss of self-purification ability in several stretches.