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GATE 2022 Environmental Science and Engineering Question Paper and Answer Key

Updated: Feb 21

APSEd brings you the question paper and answer key for the recently concluded GATE 2022 Environmental Science and Engineering paper [GATE ES]. A total of 10,000+ aspirants were expected to appear for the paper.


Download the official GATE 2022 Environmental Science and Engineering question paper here and answer key

GATE 2022 ES Answer Key
GATE 2022 ES Answer Key

The paper was of moderate difficulty. You can find the overall analysis of the GATE 2022 ES paper here. You can download the answer key here


GATE 2022 Environmental Science Questions


GATE 2022 ES paper being introduced for the second time, the only source of information we had to access beforehand were the ES syllabus and sample paper and previous year analysis.


  • The paper had more theoretical questions. A clear understanding of topics was required to attempt the questions. There were a few tricky questions as well.

  • There were more MSQs this time as well, which made the paper tougher. But still, we stressed more on MSQs in our ES tests with about 8 questions in our full-length tests. It turned out to be useful, as the GATE paper had about 13-15 MSQs

  • Aptitude and Mathematics turned out to be easy and direct questions were asked from these subjects.

  • As expected, there were about NATs with 17-19 questions asked, which is in line with the previous year GATE paper and APSEd full-length tests.


Some of the questions that were asked in GATE 2022 Environmental Science are


  • Noise level addition, given the dB levels

  • Order of hydraulic conductivity in aquifers aquitard, aquiclude and aquifuge

  • NGT, EIA notifications

  • Treatment that is required for leachate

  • Relation between generation time and growth rate constant

  • Hydrograph related question

  • Centrifugal pump working diagram

  • DNA, RNA percentage related question

  • Mechanism that occurs in alum coagulation

  • Technique to remove PM2.5

  • Specific growth rate formula

  • Questions on environmental acts and regulations

  • Laplace transform of sin(at), Matrix related question

  • Gibbs free energy equilibrium forward reaction


GATE 2022 Environmental Science and Engineering Answer Key PDF


There were a total of 10 aptitude questions and 55 questions from the technical syllabus for Environmental Science.


The paper had a wide variety of questions from different subjects, almost in-line with the Environmental Science sample paper subject weightage


Find the GATE Official question paper and official answer key here.

GATE 2022 Environmental Science Question Paper
.pdf
Download PDF • 2.68MB

GATE ES 2022 Official Answer Key
.pdf
Download PDF • 431KB

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GATE 2022 Environmental Science Rank Predictor


Now, it is time for you to download your response sheet from GATE IITKGP Official website and cross-check with our answer key.


Once you do that, open the GATE Rank Predictor.


Special Announcement!

  • The top 5 students of APSEd, which include all our subscribers will be rewarded hugely on the basis of GATE 2021 results.

  • Other than this, all the GATE top 1000 rankers are eligible to get the APSEd interview course for FREE.

Note: A special surprise reward is waiting for the students who get a top 100 AIR.

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