The GATE Grind

GATE Environmental Management and Sustainable Development: Environmental Management Systems – Previous Year Questions

11 GATE previous year questions on Environmental Management Systems (Environmental Management and Sustainable Development, Environmental Science and Engineering) with answers and explanations, from every paper.

  1. GATE 2021 ES Q22 (1 mark, Multiple choice) – At the1992 Rio UN Conference on Environment and Development, which principle supports mitigation of serious or irreversible environmental threats…
  2. GATE 2023 ES Q27 (1 mark, Multiple choice) – I LCA assesses product environmental impacts across a system to identify improvements. II EIA identifies, predicts and evaluates likely…
  3. GATE 2023 ES Q46 (2 marks, Multiple select) – Products P, Q have phases extraction, production, use, end-of-life. Each tuple is(CO₂ kg/tonne, CH₄ kg/tonne, tonnes/functional unit).…
  4. GATE 2023 ES Q64 (2 marks, Numerical answer) – A 65 kg adult with 65-year lifetime drinks2 L/day for five years from water containing.15 mg/L toluene. Reference dose.200 mg/(kg·day). Find noncancer…
  5. GATE 2024 ES Q48 (2 marks, Multiple select) – Under ISO14040 LCA, match a Goal/scope, b Functional unit, c Inventory, d Impact assessment with i Same carefully defined comparison unit across…
  6. GATE 2024 ES Q63 (2 marks, Numerical answer) – A 75 kg person drinks2.5 L/day water containing.6 mg/L lead. Find drinking-water lead exposure in mg/(kg·day),to two decimals.
  7. GATE 2025 ES Q47 (2 marks, Numerical answer) – A family compares yearly pollution-related health costs. City1 has high exposure probability .1/cost10 lakh, mild .4/cost8 lakh, and low .5/cost4…
  8. GATE 2025 ES Q65 (2 marks, Numerical answer) – Hand-pump water near a landfill contains 1 mg/L arsenic. Oral cancer potency is 1.75 (kg·day)/mg. A 70 kg person drinks2 L/day for 10 years;average…
  9. GATE 2026 ES Q27 (1 mark, Multiple choice) – Match ISO series P 14001,Q 14020,R 14040,S 14060 with the printed usages: (i) Environmental labeling,(ii) Evaluation of environmental management…
  10. GATE 2026 ES Q33 (1 mark, Multiple select) – Which are associated with life-cycle assessment? Select all that apply.
  11. GATE 2026 ES Q63 (2 marks, Numerical answer) – Chemical A has ambient concentration 50 µg/m³ and a threshold-effect dose of 5 mg. Assuming an average breathing rate of 4 L/min and uptake of the…