The IISER Aptitude Test is a gateway to top science and research education in India. In 2025, the test was held on May 25, with results expected by late June at [iiseradmission.in].
Overview of IISER Aptitude Test 2025
The IISER Aptitude Test (IAT) 2025 is a nationally recognised exam for admission to the Indian Institutes of Science Education and Research (IISERs). These premier institutes offer integrated BS-MS and specialised undergraduate programmes. The IAT is computer-based, spanning three hours, and covers Biology, Chemistry, Mathematics, and Physics. In 2025, the test was conducted at multiple centres across India.
Key Dates and Links
- Exam Date: May 25, 2025 (9:00 AM – 12:00 PM)
- Result Date: Expected by June 29, 2025
- Official Website: [iiseradmission.in]
- Application Portal: Open for Class XII marks entry and document upload until June 23, 2025, 5:00 PM
Also Read: NTA UGC NET 2025: Exam City Slip Released and Admit Card Details for June Session
IISER: Exam Pattern and Syllabus
The IISER Aptitude Test is designed to assess a candidate’s scientific aptitude and reasoning skills:
- Mode: Computer-Based Test (CBT)
- Duration: 3 hours (180 minutes)
- Sections: Biology, Chemistry, Mathematics, Physics (15 questions each)
- Total Questions: 60
- Marking Scheme: +4 for correct answer, -1 for incorrect, no deduction for unanswered
- Maximum Marks: 240
Syllabus Highlights
- Biology: Cell biology, genetics, ecology, physiology
- Chemistry: Physical, organic, inorganic chemistry fundamentals
- Mathematics: Algebra, calculus, coordinate geometry, probability
- Physics: Mechanics, thermodynamics, optics, modern physics
IISER Test Result and Rank Card
The IISER Result 2025 will be available on the official website soon after the final answer key is published. Candidates can access their IISER IAT rank card by logging in with their application number and password at [iiseradmission.in].
How to Download IISER IAT Rank Card 2025
- Visit: [iiseradmission.in]
- Click: IISER IAT Rank Card 2025 link
- Login: Use your registration number and password
- Download: Save the rank card PDF and take a printout
Details on the Rank Card
- Candidate’s Name
- Roll Number
- Marks Obtained
- All India Rank (AIR)
- Category Rank
- Other relevant details
IISER Aptitude Test Answer Key 2025
The IISER IAT answer key 2025 was released soon after the exam. Candidates could review their responses, estimate scores, and raise objections if needed. The objection window opened on May 29, 2025, and closed on June 1, 2025.
How to Download IISER IAT Answer Key
- Visit: [iiseradmission.in]
- Click: IISER IAT Answer Key 2025 link
- View/Download: The answer key PDF
Final answer key and results will be published after reviewing all objections.
IISER 2025 Counselling and Admission
After the IISER Result 2025 is declared, qualified candidates will be invited for online counselling. The process typically involves:
- Registration for counselling
- Document upload (Class XII marksheet, caste certificate if applicable)
- Seat allotment based on merit and preferences
Counselling is expected to begin in the fourth week of June 2025.
IISER Institutes and Programmes
The IISERs are located at Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati. They offer:
- 5-Year BS-MS (Dual Degree) in Science
- 5-Year BS-MS in Computational and Data Sciences (IISER Kolkata)
- 4-Year BS in Economic Sciences (IISER Bhopal)
- 4-Year BS in Economic and Statistical Sciences (IISER Tirupati)
- 4-Year B.Tech. (Chemical Engineering, Data Science & Engineering, Electrical Engineering & Computer Science) at IISER Bhopal
Important Points for Candidates
- Keep your login credentials safe for accessing results and counselling.
- Check the official website regularly for updates on result declaration and counselling.
- Upload required documents on time to avoid disqualification.
- Download and keep a hard copy of your rank card and answer key for future reference.
Summary Table: IISER Aptitude Test 2025
| Feature | Details |
|---|---|
| Exam Date | May 25, 2025 |
| Result Date | Expected by June 29, 2025 |
| Official Website | [iiseradmission.in] |
| Exam Mode | Computer-Based Test (CBT) |
| Duration | 3 hours |
| Sections | Biology, Chemistry, Mathematics, Physics |
| Marking Scheme | +4 (correct), -1 (incorrect), 0 (unanswered) |
| Maximum Marks | 240 |
| Counselling Start | Fourth week of June 2025 |
| Institutes | 7 IISERs across India |
How to Prepare for IISER Aptitude Test
- Understand the syllabus and exam pattern.
- Practice previous years’ papers.
- Focus on conceptual clarity in science subjects.
- Manage time effectively during the exam.
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