GATE 2021 Ecology and Evolution (EY) Answer Key: Check Solution and Questions

GATE 2021 Ecology and Evolution (EY) Answer Key – Candidates can get GATE Ecology and Evolution (EY) Answer Key 2021 in this article. Students can use the official GATE 2021 Ecology and Evolution Answer Key to cross-check their answers and calculate their scores. It is to be noted that there is a negative marking of 1/3rd marks and 2/3 marks in Graduate Aptitude Test for Engineering (GATE). Get complete details on GATE 2021 Ecology and Evolution (EY) Answer Key here.

GATE 2021 Ecology and Evolution (EY) Answer Key

  • Exam Date –  February 07, 2021
  • Time – 09:30 AM to 12:30 PM
  • Subject Paper –  Ecology and Evolution (EY)
  • GATE 2021 Result Date: 22 March 2021

If you appeared for GATE 2021 EY paper, then submit your questions and we will provide you the answer key. Click on the button below to submit answers. All the best!

Check some memory based questions and answers of GATE 2021 EY paper below:

Q: Chronological Order of Evolutionary Time Period – Options – Devonian, Cambrian, Neogene, Jurassic.

Q: Which of the following is/ are anabolism – Options – Respiration, Excretion, Growth, Storage (MSQ)

Q: Type of Mimicry Done by Ant Which Mimic Spider – Options – Batesian, Mullerian etc

You can also check: GATE answer keys for all 27 papers

GATE 2021 Ecology and Evolution (EY) Answer Key Dates

After the exam is over, aspirants can get their hands on the unofficial and official answer key. Check all the important dates regarding GATE 2021 Exam below.

The important dates for GATE 2021 answer key are as follows:

GATE 2021Dates
GATE 2021 exam dates06, 07, 13, 14 Feb 2021
GATE 2021 answer keyto be announced
GATE result declaration22 Mar 2021
Last date to download scorecard31 May 2021

How to Calculate Score For GATE 2021 EY Exam?

Once candidates have the GATE answer key, they can start calculating the scores. It is important to note that hey final score may or may not be similar to these scores. Moreover, check the brief step to calculate the score below.

1st step: Get the GATE answer key, response sheet and question paper.

2nd step: Note down the correct and incorrect answer by comparing the answer key and response sheet.

3rd step: The last is to refer to the formula available below.

GATE Scores = (No. of correct question x marks for correct answer) – (no. of incorrect questions x negative marking)

GATE Marking Scheme

QuestionsCorrect Answer MarksNegative Marking
Multiple Choice Questions (MCQ) nd
Multiple Select Questions (MSQ)
+1 or +2 marks-1/3 for -1 mark question
-2/3 for -2 mark question
Numerical Answer Type (NAT)+1 or +2 marksNo Negative Marking

GATE Ecology and Evolution (EY) Paper Cut Off

The cut-off marks for GATE 2021 release with the declaration of the result. It depends on various factors such as the number of candidates, difficulty level, etc. Till the time GATE 2021 Cut-Off marks are out, check the previous year cut-off marks.

YearGeneralOBC (NCL)SC/ ST/ PWD

GATE 2021 Question Paper

The question papers fr GATE exam releases online with the GATE answer key. Applicants have to visit the official website, They have to log in using the enrollment number and password to get the GATE 2021 Question Paper. With the help of the question appears, the candidate can check questions asked in General Aptitude and Ecology and Evolution section.

GATE 2021 Official Ecology and Evolution Answer Key

IIT Bombay publishes the official GATE 2021 Official Ecology and Evolution Answer Key online at They must have their GATE enrollment number and password to log in and download the answer key. With the help of official answer key candidates can check all the correct answer of GATE exam. In addition, IIT Bombay also publishes the GATE response sheet.

How to Download GATE 2021 Official Answer Key?

The conducting body releases GATE 2021 official answer key through login. Check out the steps to download GATE 2021 official answer key.

1st step: Browse the official GATE website,  

2nd step: On reaching the website, candidates have to go the GATE answer key 2021 download button.

3rd step: In the login page, enter the enrollment number and password.

4th step: GATE answer key appears on the screen.

GATE 2021 Result

The GATE 2021 result releases online through IIT Bombay website, Candidates can check their result through a login using the enrollment number and password. IIT Bombay prepares the result after the release of final GATE answer key. It is declared in the form of the scorecard with the name of qualifying candidates and scores.

About GATE 2021

India Institute of Technology Bombay (IIT B) is entrusted with the responsibility to organize the Graduate Aptitude Test in Engineering (GATE) Exam. It is a national level examination that takes place annually. Candidates can take admission in M.E / M.Tech / M.Arch / PhD courses after qualifying the exam. Eligible candidates can also take part in the PSU recruitment through GATE scores.


Q1. What were the cut-off marks for GATE 2020?

Ans 1. Last year, for General candidates the cut-off marks were 42.2, for OBC (NCL) were 37.9 and for SC/ ST/ PWD 28.1.

Q2. What is the unofficial answer key for GATE?

Ans 2. The unofficial answer keys are published by the coaching centres and GATE experts. These are prepared the basis of the questions shared by the candidates.

Q3. Where does the official GATE answer key is published?

Ans 3. The official GATE answer key releases online at

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