The IISER Aptitude Test (IAT) is the national-level entrance exam for admission to the highly prestigious Indian Institutes of Science Education and Research. Known for promoting high-quality scientific education and research, IISERs select students through a rigorous exam that evaluates conceptual clarity and analytical skills in Physics, Chemistry, Mathematics, and Biology
| Component | Details |
|---|---|
| Exam Mode | Online (Computer-Based Test) |
| Question Type | Multiple Choice Objective Type (MCQs |
| Total Questions | 60 Questions |
| Total Marks | 240 Marks |
| Component | Details |
| Exam Duration | 3 Hours |
| Negative Marking | -1 mark for each incorrect answer |
| Subject | No. of Questions |
|---|---|
| Physics | 15 questions |
| Chemistry | 15 Questions |
| Mathematics | 15 Questions |
| Biology | 15 Questions |
| Subject | Number of QuesƟons | Total Marks |
|---|---|---|
| Physics | 15 | 60 |
| Chemistry | 15 | 60 |
| Mathematics | 15 | 60 |
| Biology | 15 | 60 |
| Total | 60 | 240 |
This uniform structure helps students plan their preparation by giving equal weightage to all four major science subjects.
The IISER exam is designed to test deep understanding rather than rote learning. With a balanced question distribution and a challenging marking scheme, students must prepare with: Strong NCERT fundamentals Regular practice tests Systematic revision strategy Subject-wise time management