GATE ES previous year question papers
Environmental Science & Engineering · 2021–2026
Free year-wise GATE ES question papers with official answer keys. Solve them under a 3-hour timer to simulate the real exam, then review every wrong answer against the GATE ES syllabus.
Free PDF downloads
We link to established, free sources rather than re-hosting copies. Papers open in a new tab; always cross-check against the official GATE organising institute's site for the current cycle.
How to use these papers
- Finish a subject first, then solve that subject's questions across all years.
- Once the syllabus is covered, switch to full papers under a strict 3-hour timer.
- Log every mistake by cause: concept gap, silly error, or time pressure.
- Re-solve the papers you scored worst on after two weeks.
Frequently asked questions
How many years of GATE ES previous papers actually exist to practise from?
Environmental Science & Engineering was added to GATE in 2021, so by the 2026 sitting there are only six official papers on record. That is a thin PYQ pool compared to a paper like Civil or Mechanical, so candidates need to lean more heavily on textbook-based numericals and topic-wise question banks to cover gaps that a decade of past papers would otherwise fill.
Is GATE ES the same syllabus as a civil engineering environmental-engineering elective?
There is overlap in water and wastewater treatment and in air pollution control, but ES goes further into environmental chemistry, microbiology, ecology and environmental management and policy than a typical civil elective does, and it excludes most of core civil engineering: structures, geotechnical, transportation: entirely.
Who is GATE ES actually useful for?
It targets candidates from environmental engineering, civil engineering, chemical engineering and life-sciences backgrounds aiming at M.Tech programs in environmental engineering, or at PSU and regulatory-body roles in pollution control boards, water utilities and environmental consultancies, where a civil- or chemical-only GATE score would not map as directly to the job.
Does GATE ES have negative marking like the older papers?
Yes, the marking scheme is the same as every other GATE paper: one-third negative marking on 1-mark MCQs and two-thirds on 2-mark MCQs, while Multiple Select Questions and Numerical Answer Type questions carry no negative marking.