IISER Aptitude Test 2024 was conducted successfully on June 9, 2024, at various exam centres nationwide. The exam was held to test the candidate's domain knowledge in Physics, Mathematics, Biology and Chemistry domain for admission to BS and BS-MS dual degree programmes. IAT 2024 answer key released on June 9, 2024, after the successful conduction of the examination. Read this Shiksha article to learn about the IISER 2024 exam, question paper analysis and IISER answer key 2024.
IAT 2024 Question Paper Analysis and Answer Key
The IAT 2024 exam was conducted successfully on June 9, 2024, for admissions to five-year BS-MS and BS dual degree programmes at IISERs institutions across the nation. The exam was held for three hours in one shift, ie., the Morning shift from 9 am to 12 pm and the afternoon shift from 12:30 pm to 3:30 pm. The exam officials tested the candidate's domain knowledge in Chemistry, Biology, Physics and Mathematics subject.
Explore colleges based on IISER Entrance Exam
Want better recommendations?
There is a 90% more chance of getting best college recommendations by sharing preferences.After the successful conduction of the IISER 2024 exam on June 9, 2024, the exam officials on the same day had released the IISER 2024 answer key. Candidates who have taken the IAT 2024 examination will be to check the correct answers to the questions they had attempted. IAT 2024 question paper analysis and student reaction will be available for the candidates to get an idea about the difficulty level and expected cut-off form here.
Q: How many sections are asked in the IISER Entrance Exam?
The IISER Entrance Exam 2025 pattern is yet to be announced for this year's examination. It has been observed that the IISER Entrance Exam 2025 pattern remains to be same as of the previous year of IISER Entrance Exam which was also conducted in online mode I. e. computer-based. IAT will consist of 60 questions, 15 questions each from Biology Chemistry Mathematics, and Physics. Total time for answering the test will be 180 minutes. Questions will be of multiple choice type with only one correct answer.
Q: What are the types of questions asked in the IISER 2025 exam?
The IISER Entrance Exam questions are objective and carries multiple choices (MCQs). Each question will have four answer options. Candidates will have to deduce the correct answer option and click on it with the help of mouse. Since IISER 2025 exam will be conducted in a computer-based mode, test-takers will be able to mark only one answer option. In case it is the correct option, they will get full marks and in case of wrong answer, negative marking scheme will be applied. Hence, candidates must ensure the accuracy of the answer before selecting the answer. Before the final submission, they can change the answer option in case they realise that they have entered a wrong answer option earlier.
Q: Where to get IISER previous year's question papers?
IISER 2024 analysis will provide the exam difficulty level and expected cut-off. The IAT 2024 question paper here in this article is designed after the IISER 2024 analysis and students' reactions. IISER 2024 questions have become very dynamic, and questions are more based on a practical and analytical approach than one-word answers. In the coming years, the questions will come from the disciplines, that are flourishing in the science domains, and there is no such need to mug up the concepts. Based on the above factors, the following IISER 2024 predicted question paper, important topics, and their weightage have been drawn.
Explore more Science exams with upcoming dates
21 Feb '25
28 Feb '25
4 Mar '25 - 8 Mar '25
3 Apr '25
27 Feb '25 - 5 Apr '25
14 Nov '24 - 31 May '25
19 Jul '25
6 Jan '25 - 7 Jan '25
20 Dec '24 - 7 Apr '25
23 Mar '25 - 25 Apr '25
IISER 2024 Question Paper and Answer Key
The exam officials have released the IAT 2024 answer key on the official website. Candidates can also check the 2024 question paper and answer key from the below-mentioned link. Candidates must note that option A of the released questions paper is the correct answer in the PDF.
Download IAT 2024 Question Paper and Answer Key Here:Download Now
Based on the IAT 2024 student reactions and questions paper analysis, here is the analysis of the exam difficulty level and good attempt of the sections asked in the examination.
Q: When will IAT 2025 Student Response Sheet release?
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.
Q: Which subjects are in the IISER exam?
| Subject | Difficulty Level | Good Attempt |
|---|---|---|
| Biology | Easy | 12-13 Questions |
| Physics | Moderate | 8-10 Questions |
| Chemistry | Easy to Moderate | 10-12 Questions |
| Mathematics | Moderate | 9-11 Questions |
IAT 2024 Exam Analysis
Students who had opted for PCM in their class 12 std, found the biology section comparatively moderate to difficult and the students who had opted PCB in their class 12 found the Mathematics portion to be moderately difficult. for the common subjects for both the stream students which are Chemistry and Physics, the exam difficulty level was moderately easy. The overall difficulty level of IISER Entrance Exam 2024 was found to be moderate. It was also found that many questions were indirectly repeated from the previous year questions on the subjects biology and mathematics. In the physics sections questions were maximum asked from theory-based type instead of numerical-based questions.
Some candidates who had appeared in the JEE exam found the exam difficulty level the same as the JEE exam.
IAT 2024 Student Reactions Video
IISER 2024 Expected Cut Off
IAT 2024 candidates' ranks will be based on their combined scores from the four sections (Physics, Chemistry, Mathematics and Biology). The exam comprises 60 questions with a total score of 240 marks. Below is a table for the expected IISER 2024 ranks corresponding to different score ranges.
| IISER 2024 Score (Out of 240) | Expected IISER 2024 Rank |
|---|---|
| 200 and above | Rank 1 to 80 |
| 200-160 | Rank 81- 200 |
| 160- 110 | Rank 201 to 800 |
| 110-95 | Rank 800 to 1500 |
| 95-75 | Rank 1500- 2000 |
| < 60 | Above 2000 |
Also Read: IISER 2024 Marks vs Rank: Check Cut off and Opening- Closing Ranks
IISER Entrance Exam 2024 Exam Pattern
The IISER Entrance Exam Marking Scheme is as follows:
| Subject |
No. of Questions |
Marks |
|---|---|---|
| Physics |
15 |
60 |
| Chemistry |
15 |
60 |
| Biology |
15 |
60 |
| Mathematics |
15 |
60 |
| Total |
60 |
240 |
Marking scheme: Candidates will be awarded three marks for each correct answer. There will be a negative marking of one mark for each incorrect answer.
IISER 2023 Question Paper and Answer Key
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 provisional answer key in both the hindi and english languages separately here:
Read More:
Being a post-graduate and BEd degree holder, I'm an innovative, task-driven and immensely motivated science enthusiast, making me a passionate content writer. I love providing meaningful and constructive articles in... Read Full Bio
News & Updates
Explore Other Exams
Apr '25 | NEST 2024 Application Process ... |
Jun '25 | NEST 2024 Application Form Cor... |
10 Dec '24 - 30 May '25 | BVP CET 2025 Application Form |
1 Jun '25 | BVP CET 2025 Admit Card |
2 Feb '25 | IIT JAM 2025 Exam Day |
Feb '25 | IIT JAM 2025 Response Sheet |
18 Apr '25 - 19 Apr '25 | KCET 2025 exam date |
Jan '25 | TIFR GS Final Answer |
Feb '25 | TIFR GS 2025 Result For Writte... |
6 Jan '25 - 10 Jan '25 | ICAR AIEEA PG 2024 Counselling... |
15 Jan '25 - 16 Jan '25 | ICAR AIEEA PG 2024 Counselling... |
Student Forum
Anything you would want to ask experts?Answered 5 days 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
N
Beginner-Level 3
Answered 5 days 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
S
Beginner-Level 3
Is IISER better than IIT?