IISER Answer Key 2024 (Released): Check IAT OMR Sheet, Final Answer Key (June 21) Download Link

Indian Institutes of Science Education and Research Entrance Exam 2025 ( IISER Entrance Exam )

Manisha Kumari
Updated on Dec 30, 2024 16:25 IST

By Manisha Kumari, Associate Senior Executive

IAT 2024 Final answer key was released on June 21, 2024, on the official website. IISER 2024 scorecard will be based on the IISER final answer key 2024 released.  Candidates can no longer raise objections against the final answer key.

Test takers were also allowed to raise objections against the released IISER answer key 2024. Students' response sheet for IISER exam 2024 was released on the official website on June 12, 2024. The IAT 2024 answer key objection fee to submit an objection against each answer key was INR 200.

IISER results 2024 was released on June 25, 2024. The results will be based on the IAT final answer key 2024. Take a look at the details of the IISER 2024 answer key dates, download and challenge process and other related information. The IAT 2024 counselling process was started on June 26, 2024, to freeze the seats offered at various IISER institutes. 

Latest Updates:

 

Table of content
  • Direct Link to IISER Answer Key 2024
  • IISER 2025 Important Dates Table
  • Steps to Download the IISER Answer Key 2024
  • IISER 2024 Response Sheet
  • IAT 2024 Answer Key Objection Process
  • How to Calculate Scores Based on IISER 2024 Answer Keys
  • IISER Previous Year Answer Key
View More
IISER Entrance Exam Logo

Direct Link to IISER Answer Key 2024

DeskCalendarAnswer Key: 9 Jun '25

Candidates will be able to download the provisonal and final answer key of IISER 2024 pdf from the official website only in online mode. The authorities will release first, the provisional answer key of IISER 2024 exam pdf and candidates will be able to check their answers and calculate the probable scores secured in the IISER 2024 admission test. To download the IAT answer key 2024, the candidate can download from here: 

Download Link- 

View answer key

IISER 2025 Important Dates Table

Take a look at the table below for the complete schedule of IISER Entrance Exam 2025 exam

DatesUpcoming Exam Dates

Jun '25

IISER Aptitude Test 2025 Display of Answer Keys

TENTATIVE

Jun '25

IISER 2025 Aptitude Test Portal opens to file objections

TENTATIVE

Jun '25

IISER Aptitude Test 2025 Upload of student's response form

TENTATIVE

Jun '25

IISER Aptitude Test 2025 Display of Final Answer Keys

TENTATIVE

Jun '25 - Jul '25

IISER 2025 Registration for counselling process

TENTATIVE
DatesPast Exam Dates

Jun '24

IISER Aptitude Test 2025 Result

IISER Entrance Exam Logo

Steps to Download the IISER Answer Key 2024

Candidates will be able to download the final answer key of IISER 2024 pdf from the official website only in online mode. The authorities released the first provisional answer key of IISER pdf and candidates will be able to check their answers and calculate the probable scores secured in the IISER 2024 admission test. To download the IISER answer key 2024, candidates must follow the below steps:

  • Go to the IISER official website - https://iiseradmission.in/   

  • Click on the ‘IISER answer key” link.

  • Enter application number (roll number) and password.

  • The answer key of IISER was displayed on the screen.

  • Take a print out of the answer key and save it for future reference

.

Q&A Icon
Commonly asked questions

Q:   When will IAT 2025 Provisional Answer Key Released?

A: 

IISER is expected to release the IAT 2024 Exam Answer Key at its official website in the second week of  June 2025, tentatively. Candidates who have appeared in IISER Aptitude Test will be able to check their answers marked for the questions asked and can evaluate their final marks scored. Candidates must note that these are not the final answer key that the examination conducting body, IISER released. These are the provisional answer key. Applied candidates will get the opportunity to raise objections if they found any mistakes in the provided answer key.

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Q:   When will IAT 2025 Student Response Sheet release?

A: 

Indian Institutes of Science Education and Research (IISER), the examination conducting body will release the IISER Aptitude Test (IAT) 2025 Student Response Sheet on second week of June 2025, tentatively. Candidates can visit the official website of IISER and after logging in with their credentials can finally view their IAT 2025 Response Sheet. Candidates can finally tally up their marks scored in the IISER Aptitude Test which will be conducted in the first week of June 2025, tentatively. 

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Q:   When will IISER 2025 Answer Key objection raise window open?

A: 

The online window to raise representations about questions/answers in IAT 2025 is expected to start in the second week of June, 2025. Candidates need to log in to your account and click on IAT Channel Tab. Then they will be able to see two tabs - "IAT 2025 Objection" tab and "Candidate Response" tab. 

Candidates can go through the provisonal answer keys in order to get an estimation of the score that they can obtain in the IISER entrance exam 2025. In case of any discrepancy with respect to any question asked in the exam or its answer, candidates can raise an objection (s) to the exam authorities in the prescribed format. If the raised objection is successful, a final IISER entrance exam 2025 answer key will be released with all the required modifications. 

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IISER Entrance Exam Logo

IISER 2024 Response Sheet

The exam officials will display the recorded responses and Question Paper attempted by the candidates on the official website before the declaration of the result/Score. The recorded responses are likely to be displayed for two to three days. IAT 2024 Student response sheet was released on June 12, 2024.

Direct Link to Download IAT 2024 Student Response Sheet- https://iiseradmission.in/

IISER Entrance Exam Logo

IAT 2024 Answer Key Objection Process

IAT 2024 Objection Raise Window: The online window to raise representations about questions/answers in IAT 2024 was opened on June 12, 2024. Candidates need to log in to your account and click on IAT Channel Tab. Then they would be able to see two tabs - "IAT 2024 Objection" tab and "Candidate Response" tab. Candidates can go through the provisional answer keys in order to get an estimation of the score that they can obtain in the IISER entrance exam 2024.

In case of any discrepancy with respect to any question asked in the exam or its answer, candidates can raise an objection(s) to the exam authorities in the prescribed format. The last date for raising the IAT 2024 answer key objections was June 14, 2024. If the raised objection is successful, a final IISER entrance exam 2024 answer key will be released with all the required modifications.

After submitting the appropriate answers with proof and if found the correct. Candidates can get marks for that answer. IISER entrance exam answer keys contain correct answers for all questions asked in the written test. Aspirants who have taken the exam will get the opportunity to file objections against the answer key. The final answer key will be made available on the official website on June 21, 2024. 

IISER Entrance Exam Logo

How to Calculate Scores Based on IISER 2024 Answer Keys

Candidates will have to calculate their estimated scores based on the following method:

  • For each correct answer, add four marks

  • For each wrong answer, deduct one mark

  • No marks will be awarded for unattempted questions

IISER Entrance Exam Logo

IISER Previous Year Answer Key

IISER Entrance Exam 2023 Final answer key was released by the conducting body on June 28, 2023. IAT 2023 final answer key was the same as of IISER Provisional answer key. The only difference that the candidate will find in the IAT 2023 answer key is the solution to the Question No 14 of Chemistry subject.

For better understanding, candidates can view the question and the answer also which is specified in the final answer key. The rest of the answers are the same as of provisional answer key.

Question 14
In two solutions X (hexane and benzene) and Y (water and HCl), what types of deviations from Raoult’s law are observed?
(a) CORRECT ANSWER No deviation (ideal behaviour) and negative deviation, respectively.
(b) Negative deviation and positive deviation, respectively.
(c) CORRECT ANSWER  Positive deviation and negative deviation, respectively.
(d) Positive deviation and no deviation (ideal behaviour), respectively.

Indian Institutes of Science Education and Research (IISER), the examination conducting body released the IISER Aptitude Test (IAT) 2023 Student Response Sheet on June 20, 2023. Candidates could visit the official website of IISER and after logging in with their credentials can finally view their IAT 2023 Response Sheet. 

IISER candidates can download the provisonal answer key in both the hindi and english languages separately here:

IISER 2023 Answer key_English

IISER 2023 Answer key- Hindi

 

 

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Answered 2 weeks ago

IISERs and IITs are both excellent institutions, but they have different focuses:   

IISERs:
Primarily focus on fundamental Science research. It also offers a strong foundation in basic sciences like physics, chemistry, biology, and mathematics. This will encourage research-oriented learning from the

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Nitesh Gaurav

Beginner-Level 3

Answered 2 weeks ago

IISER entrance exam is one such platform where candidates who are interested in pursuing their academics in BS-MS dual degree and BS degree programmes from the reputed research institutes like IISERs, IIT Madras and IISc Bangalore must appear for IAT 2025.

Candidates who have passed their Class 12 bo

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Shikha Bhandari

Beginner-Level 3

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