GATE Solid and Hazardous Waste Management: Integrated Solid Waste Management – Previous Year Questions

3 GATE previous year questions on Integrated Solid Waste Management (Solid and Hazardous Waste Management, Environmental Science and Engineering) with answers and explanations, from every paper.

1. GATE 2021 ES Q16 (1 mark, Multiple choice) – Choose integrated waste-management priority from highest to lowest.
2. GATE 2022 ES Q27 (1 mark, Multiple choice) – Which defines extended producer responsibility?
3. GATE 2024 ES Q23 (1 mark, Multiple choice) – For a typical Indian Tier-I city’s centralized municipal-waste infrastructure, which functional element is usually costliest?