GATE 2026 Environmental Science (ES) Paper Analysis: Difficulty & Cutoffs

Subject-wise Weightage, Expected Qualifying Marks, and IIT M.Tech Admission Trends.

Updated: 4 months ago

Categories: GATE 2026, Paper Analysis, Environmental Engineering.

Tags: GATE 2026 ES Analysis, Environmental Science Paper Review, GATE ES Expected Cutoff

GATE 2026 Environmental Science & Engineering (ES) Analysis

Exam Analysis: February 2026 | Comprehensive Paper Review

Overall Difficulty Level

The GATE 2026 ES paper was rated Moderate. While the Environmental Chemistry and Microbiology questions were conceptual and scoring, the Water Resources and Treatment sections featured complex NAT (Numerical Answer Type) questions involving multi-step calculations.

Conceptual: 40% Numerical: 60%

Topic-wise Weightage Analysis

Subject / Domain	Approx. Marks	High-Priority Topics in 2026
Water & Wastewater Treatment	22-25 Marks	BOD/COD Calculations, Sedimentation, Activated Sludge.
Environmental Chemistry	12-14 Marks	pH-pE Diagrams, Chemical Equilibrium, Buffers.
Air & Noise Pollution	10-12 Marks	Gaussian Plume Model, Lapse Rate, Sound Intensity.
Solid & Hazardous Waste	8-10 Marks	Landfill Design, Incineration, Pyrolysis.
Math & Aptitude	28 Marks	Calculus, Probability, Verbal Ability.

Expected Qualifying Cutoff 2026

Given that the 2026 paper was slightly more technical than the 2025 session, the cutoffs are expected to remain consistent with previous years' trends.