Introduction
The Indian Institutes of Science Education and Research (IISERs) are among India's most prestigious institutions for scientific research and education. These institutes offer a 5-year BS-MS dual degree program to students who aspire to build a career in science and research. Admission to IISERs is primarily through the IISER Aptitude Test (IAT), a national-level entrance exam that assesses students’ knowledge in science and mathematics.
In this blog, we will cover everything you need to know about the IISER Aptitude Test 2025, including exam pattern, syllabus, eligibility, application process, and preparation tips.
What is IISER Aptitude Test (IAT)?
The IISER Aptitude Test (IAT) is a computer-based entrance exam conducted for students seeking admission to the IISERs through the IAT channel. The exam is designed to evaluate a student's understanding of biology, chemistry, mathematics, and physics, covering topics from the NCERT syllabus of Class XI and XII.
List of IISERs in India
Currently, there are seven IISERs in India:
- IISER Berhampur (Odisha)
- IISER Bhopal (Madhya Pradesh)
- IISER Kolkata (West Bengal)
- IISER Mohali (Punjab)
- IISER Pune (Maharashtra)
- IISER Thiruvananthapuram (Kerala)
- IISER Tirupati (Andhra Pradesh)
IISER Aptitude Test 2025: Exam Pattern
The IAT 2025 will be conducted in an online mode (CBT - Computer Based Test). Here’s a breakdown of the exam pattern:
- Total Questions: 60 (15 from each subject)
- Subjects Covered: Biology, Chemistry, Mathematics, and Physics
- Duration: 3 hours
- Question Type: Multiple Choice Questions (MCQs)
- Marking Scheme:
- +4 marks for a correct answer
- -1 mark for an incorrect answer
- 0 marks for unattempted questions
- Total Marks: 240
Eligibility Criteria for IISER Aptitude Test 2025
To apply for the IISER Aptitude Test, candidates must fulfill the following eligibility criteria:
- Academic Qualification: Must have passed Class 12 or equivalent in 2023 or 2024.
- Subjects Studied: Candidates should have studied Physics, Chemistry, and Mathematics/Biology in Class 12.
- Nationality: Indian nationals, OCI, and PIO candidates are eligible.
- Age Limit: There is no specific age limit, but students must have appeared for Class 12 in the last two years.
Syllabus for IISER Aptitude Test 2025
The syllabus is based on NCERT Class 11 and 12 syllabi. Here is a subject-wise breakdown:
Biology Syllabus
- Diversity in the living world
- Cell structure and function
- Genetics and evolution
- Human physiology
- Plant physiology
- Ecology and environment
Chemistry Syllabus
- Atomic structure
- Chemical bonding
- Thermodynamics
- Equilibrium
- Organic chemistry basics
- Coordination compounds
Mathematics Syllabus
- Algebra and quadratic equations
- Trigonometry
- Limits and continuity
- Calculus
- Probability and statistics
- Vectors and 3D geometry
Physics Syllabus
- Kinematics and laws of motion
- Work, energy, and power
- Thermodynamics
- Electrostatics
- Optics and waves
- Modern physics
IISER Aptitude Test 2025: Application Process
The IISER admission process is conducted online, and candidates need to register on the official website (https://iiseradmission.in/).
Steps to Apply for IISER Aptitude Test 2025:
- Online Registration: Create an account on the official IISER admission website.
- Fill Out Application Form: Provide personal, academic, and contact details.
- Upload Documents: Upload scanned copies of your photograph, signature, and Class 10 & 12 mark sheets.
- Pay Application Fee: Complete the payment through debit/credit card or net banking.
- Submit the Application: Review your details and submit the application before the deadline.
Application Fee (Expected)
- General/OBC Candidates: ₹2,000
- SC/ST/PWD Candidates: ₹1,000
IISER Aptitude Test 2025: Important Dates (Tentative)
- Application Start Date: March 2025
- Last Date to Apply: April 2025
- Admit Card Release: May 2025
- Exam Date: June 2025
- Result Declaration: July 2025
How to Prepare for IISER Aptitude Test 2025?
A good preparation strategy can help you excel in the IISER Aptitude Test. Here are some expert tips:
1. Understand the Exam Pattern & Syllabus
- Go through the official syllabus and identify important topics.
- Focus on NCERT textbooks for concept clarity.
2. Make a Study Plan
- Allocate time for each subject based on your strengths and weaknesses.
- Revise regularly and keep track of progress.
3. Practice Previous Year Question Papers
- Solve IAT previous year papers to understand the difficulty level.
- Take mock tests to improve speed and accuracy.
4. Use the Right Study Materials
Some recommended books for IAT preparation include:
- Physics: Concepts of Physics by H.C. Verma
- Chemistry: NCERT Chemistry + OP Tandon Physical Chemistry
- Mathematics: RD Sharma + NCERT Mathematics
- Biology: NCERT Biology Class 11 & 12
5. Manage Time Effectively During the Exam
- Attempt easier questions first to gain confidence.
- Avoid guesswork as there is negative marking.
- Keep an eye on the clock to ensure you finish the exam on time.
Why Choose IISER for Science Education?
- High-Quality Research Opportunities: IISERs provide world-class research facilities.
- Globally Recognized Faculty: IISER professors are top scientists and researchers.
- Interdisciplinary Learning: The curriculum integrates physics, chemistry, biology, and mathematics.
- Scholarships & Stipends: Various government-funded scholarships are available.
Conclusion
The IISER Aptitude Test 2025 is an excellent opportunity for students passionate about science. By following a well-structured preparation plan, you can secure a seat in one of the IISERs and begin your journey toward a successful career in scientific research.
Stay updated by visiting the official IISER admission portal: https://iiseradmission.in.
Have Questions?
Drop your queries in the comments below, and we’ll be happy to guide you.