GATE Solid and Hazardous Waste Management: Special Waste Streams – Previous Year Questions

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

1. GATE 2023 ES Q20 (1 mark, Multiple choice) – Which is NOT a biomedical-waste segregation category under India’s2016 rules?
2. GATE 2023 ES Q22 (1 mark, Multiple choice) – Match P HDPE, Q LDPE, R PET, S Polystyrene with i Garbage bags/bubble packaging, ii Pharmaceutical bottles/Styrofoam cups, iii Water bottles, iv…
3. GATE 2024 ES Q22 (1 mark, Multiple choice) – Under the microplastic definition referenced as UNEP2004 in the paper, the maximum size is
4. GATE 2025 ES Q28 (1 mark, Multiple select) – Which statements about plastic waste management are correct?
5. GATE 2025 ES Q46 (2 marks, Multiple select) – According to the Bio-Medical Waste Management Rules,2016,which statements are correct?