IISER Aptitude Test
IAT
The IISER Aptitude Test (IAT) is a national-level entrance examination conducted by the Indian Institutes of Science Education and Research (IISERs) for admission to BS-MS dual degree, BS, and BTech programmes offered by participating IISER campuses across India. The exam assesses candidates' knowledge of Physics, Chemistry, Mathematics, and Biology based on the Class 11 and Class 12 syllabus.
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2 total postsNotification
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Admit Card
IISER IAT Admit Card 2026
City Intimation
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Answer Key
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Result
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Syllabus & Pattern
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Previous Papers
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Date Sheet
IAT 2026 Exam Date
Salary & Job Profile
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Eligibility
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Annual Planner
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Eligibility Criteria
Qualifications Required
- 12th Pass
- Appearing in Class 12
Selection Process
Stage 3
Rank List Preparation
Stage 4
Counselling / Preference Filling
Stage 5
Seat Allocation
Stage 6
Document Verification
Stage 7
Admission Confirmation
Stage 1
IISER Aptitude Test (IAT)
Stage 2
Result Declaration
Exam Pattern
Mode
CBT (Computer-Based)
Questions
60
Total Marks
240
Duration
180 Minutes
Section-wise Breakdown
| Section | Questions | Marks |
|---|---|---|
| Physics | 15 | 60 |
| Chemistry | 15 | 60 |
| Mathematics | 15 | 60 |
| Biology | 15 | 60 |
| Total | 60 | 240 |
Marking Scheme
- +4 Marks for each correct answer
- -1 Mark for each incorrect answer
- 0 Marks for unanswered questions
Exam Languages
English
Salary & Pay Scale
Career Growth & Promotions
Successful candidates gain admission to prestigious IISER programmes leading to careers in scientific research, higher education, academia, biotechnology, data science, engineering, public research institutions, and related STEM fields. Graduates may pursue MSc, PhD, Integrated PhD, research fellowships, or industry positions in India and abroad.
Syllabus Overview
The IISER Aptitude Test syllabus broadly covers topics from Physics, Chemistry, Mathematics, and Biology taught in Classes XI and XII. Questions are designed to assess conceptual understanding, analytical ability, scientific reasoning, and problem-solving skills required for higher studies in science and research.
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Key Subjects
Official Resources
Frequently Asked Questions
IAT (IISER Aptitude Test) is the entrance examination conducted for admission to IISER undergraduate programmes.
The examination is conducted by the Indian Institutes of Science Education and Research (IISERs).
Physics, Chemistry, Mathematics, and Biology.
IAT is conducted as a Computer Based Test (CBT).
The exam contains 60 questions in total.
Yes. One mark is deducted for every incorrect answer.
Yes. Students from science streams meeting eligibility requirements can apply.
BS-MS Dual Degree, BS Degree, and selected BTech programmes offered by participating IISER campuses.