Practice with interactive tests or download PDFs with detailed solutions. Every IAT paper from 2017-2025, meticulously curated.
Balanced difficulty with conceptual focus. Biology application-based questions dominated.
First NTA conduct year. Physics was calculation intensive with 12 numericals. Mathematics featured advanced calculus.
Post-pandemic pattern shift. Direct line-by-line NCERT questions in Biology. Good for confidence building.
IISER entrance before NTA takeover. Different marking scheme. Includes detailed video solutions.
Online proctored format due to pandemic. Aptitude section included. Complete solution set available.
Standard offline format. Balanced difficulty with good conceptual questions.
Comprehensive paper covering diverse topics. Excellent for testing core concept application.
The very first IAT paper. Essential for understanding the origins of the exam pattern.
Classic IAT pattern. Essential for understanding the evolution of the exam. Bundle includes all papers + detailed solutions.
IISER Smart Prep is India's most comprehensive platform for IISER IAT PYQ practice. We provide the complete archive of IISER IAT previous year papers from 2017 to 2025 — with an interactive test interface, AI-powered performance analytics, and verified solutions. Whether you're looking for IISER PYQ PDF downloads or a real exam simulation, you're in the right place.
The IISER IAT (Integrated Aptitude Test) is the national-level entrance exam conducted by IISERs for admission to BS-MS Dual Degree programmes. The exam consists of 60 multiple-choice questions spread equally across four subjects — Physics, Chemistry, Mathematics, and Biology (15 questions each). The marking scheme awards +3 marks for every correct answer and deducts −1 mark for incorrect ones, with a total duration of 3 hours and a maximum score of 180 marks. Solving IISER IAT previous year papers is one of the most reliable ways to understand what the real exam looks and feels like.
Practising IISER PYQ papers is essential for every serious aspirant. First, they help you understand the exact exam pattern — the type of questions, difficulty distribution, and subject weightage that repeats year after year. Second, they reveal the most important topics in each subject so you can prioritise your revision. Third, timed practice on real IAT PYQ papers dramatically improves your speed and accuracy under exam conditions. The more past papers you solve, the more confident and exam-ready you become.
Our platform hosts the complete IISER IAT previous year papers from 2017 to 2025 with full solutions. Unlike plain IISER PYQ PDF downloads, IISER Smart Prep gives you a real exam interface with a countdown timer, auto-scoring, and subject-wise breakdowns. After each test, our AI analysis engine identifies your weak areas across Physics, Chemistry, Mathematics, and Biology. You can also drill down with chapter-wise practice to target exactly the topics where you need improvement.
Everything you need to know about IISER IAT PYQ and how to use this platform.