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IISER / IAT

IISER Aptitude Test hub — IAT pattern and syllabus, reasoning-first preparation, cutoffs, IISER campuses, the BS-MS programme and research careers.

What this hub covers

Every topic below opens a full page — what it means in practice, how Prepkunj teaches it, common mistakes, FAQs and the free resources to use next.

Hand-picked from everything Prepkunj already publishes for IISER / IAT — free resources first, guided programs last.

Free tests to attempt next

Practise this topic immediately — every test is graded instantly with solutions.

Previous year questions

PYQs show exactly how this topic is asked — start with the most recent papers.

Notes and study material

Read the concept first, then attempt the test — notes are written for exam recall.

Join a 2027 or 2028 batch

Want a mentor to drive the plan? These 2027 and 2028 batches cover this topic with live teaching, notes and tests.

Resources in this hub

guide· 11 min read

IAT Preparation Strategy

A subject-wise and phase-wise preparation strategy for the IISER Aptitude Test (IAT), covering how to balance Biology, Chemistry, Mathematics, and Physics, sample weekly timetables, common mistakes, and how JEE or NEET preparation can be adapted for IAT.

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article· 18 min read

IAT 2027 Preparation Guide: Syllabus, Exam Pattern and City-Wise Tips

A complete IAT 2027 plan: the four-subject syllabus, the 60-question pattern, a month-by-month schedule, attempt strategy, and practical tips for aspirants in Lucknow, Kota, Delhi, Hyderabad, Pune, Kolkata and Gulf cities.

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guide· 13 min read

IISER Aptitude Test Syllabus: Subject-Wise Chapters and Priorities

A chapter-level view of the IAT syllabus across Physics, Chemistry, Mathematics and Biology, with what to prioritise in each subject and where free notes and chapter tests fit.

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guide· 12 min read

IAT Exam: Pattern, Marking Scheme and What to Expect

The IISER Aptitude Test explained: who conducts it, the 60-question four-subject pattern, marking scheme, duration, eligibility basics and how it differs from JEE and NEET.

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guide· 15 min read

IAT Online Coaching for IISER Admission: What to Look For

IAT tests all four subjects equally, so a JEE or NEET plan always leaves a quarter of the paper untrained. How to judge an online IAT program, what it should contain, and what it costs.

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guide· 13 min read

IAT PYQ Strategy

A complete, step-by-step IAT PYQ strategy covering sourcing, analysis passes, a timetable, worked examples and a final checklist.

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article· 13 min read

IISER vs IIT: Which Should You Choose?

An honest comparison of IISER vs IIT across course structure, teaching style and career direction, to help you choose based on genuine fit, not rankings.

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guide· 12 min read

IAT Mock Test Strategy

A phase-wise IAT mock test strategy covering sectional and full-length mocks, review methods, and pacing tactics to build genuine exam-day readiness.

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article· 13 min read

How to Prepare for IAT Alongside JEE and NEET

A practical plan to prepare for IAT alongside JEE or NEET by sharing your concept-learning base and adding a small dedicated IAT practice slot each week.

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guide· 7 min read

IAT 2027 Complete Guide: IISER Aptitude Test Syllabus, Pattern and Preparation

The IISER Aptitude Test rewards reasoning over rote learning. Here is the exact pattern, how it differs from JEE and NEET, and how to prepare for it without a separate two-year plan.

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