IISER 2024 Question Paper & Answer Key; Download PDF
IISER Aptitude Test (IAT) 2024 was conducted on June 9, 2024, in computer-based mode for admission to BS-MS Dual Degree and BS programs offered by various IISER campuses across India. Candidates preparing for upcoming IISER admissions can download IISER 2024 Question Paper and Answer Key PDFs to understand the latest question trends, difficulty level, and exam pattern.
IISER 2024 Question Paper & Answer Key PDF
| Question Paper PDF | Answer Key PDF |
|---|---|
IISER 2024 IAT Question Paper and Answer Key PDF (Jun 9, 2024) |
Download PDF |
The official answer key was released shortly after the exam, while the final answer key was published on June 21, 2024. Results were announced on June 25, 2024
The paper included questions from Physics, Chemistry, Mathematics, and Biology. Every candidate was required to attempt questions from all four subjects irrespective of their academic stream.
IISER 2024 Exam Pattern
IISER Aptitude Test (IAT) 2024 was conducted in CBT mode and consisted of multiple-choice questions from Physics, Chemistry, Mathematics, and Biology. The exam was designed to assess conceptual understanding and analytical skills based on the Class 11 and 12 syllabus.
| Particulars | Details |
|---|---|
| Exam Name | IISER Aptitude Test (IAT) 2024 |
| Mode of Examination | Computer-Based Test (CBT) |
| Duration | 180 Minutes (3 Hours) |
| Question Type | Multiple Choice Questions (MCQs) |
| Total Questions | 60 |
| Subjects | Physics, Chemistry, Mathematics, Biology |
| Questions per Subject | 15 |
| Maximum Marks | 240 |
| Medium | English |
| Marking Scheme | +4 for Correct Answer |
| Negative Marking | -1 for Incorrect Answer |
| Unattempted Questions | 0 Marks |
Subject-Wise Distribution
| Subject | Questions | Maximum Marks |
|---|---|---|
| Physics | 15 | 60 |
| Chemistry | 15 | 60 |
| Mathematics | 15 | 60 |
| Biology | 15 | 60 |
| Total | 60 | 240 |
IISER 2024 Marking Scheme
- Correct Answer: +4 marks
- Incorrect Answer: -1 mark
- Unanswered Question: 0 marks
- Maximum Score: 240 marks
IISER 2024 Paper Analysis
The 2024 exam was noticeably more application-oriented compared to previous editions. Student discussions and expert reviews suggested that Mathematics and Physics were the most demanding sections, while Biology remained relatively straightforward for candidates with strong NCERT preparation.
Physics Analysis
- Included a combination of conceptual and numerical questions.
- Major topics were Mechanics, Electromagnetism, Modern Physics, and Thermodynamics.
- Several questions required multi-step problem-solving and analytical thinking.
- Direct formula-based questions were relatively limited.
Chemistry Analysis
- Balanced coverage of Physical, Organic, and Inorganic Chemistry.
- Physical Chemistry featured calculation-based problems.
- Organic Chemistry emphasized reaction mechanisms and conceptual clarity.
- Inorganic Chemistry tested fundamental concepts and factual understanding.
Mathematics Analysis
- Considered the most time-intensive section by many candidates.
- Calculus, Algebra, Probability, and Coordinate Geometry carried significant weightage.
- Required strong problem-solving skills and accuracy.
- Candidates with JEE-level preparation generally found the section manageable.
Biology Analysis
- Regarded as one of the most scoring sections.
- Largely based on NCERT concepts and fundamentals.
- Key topics included Genetics, Cell Biology, Ecology, Plant Physiology, and Human Physiology.
- Most questions focused on conceptual understanding and application.
Subject-wise Difficulty Analysis
| Subject | Difficulty Level | Major Topics |
|---|---|---|
| Physics | Moderate-Difficult | Mechanics, Modern Physics, Electrodynamics |
| Chemistry | Moderate | Physical Chemistry, Organic Reactions |
| Mathematics | Difficult | Calculus, Algebra, Probability |
| Biology | Easy-Moderate | Genetics, Ecology, Physiology |
IISER 2024 Score Calculation
Candidates can estimate their scores using the official answer key and marking scheme.
Score Formula
Total Score = (Correct Answers × 4) – (Incorrect Answers × 1)
Example Calculation: Suppose a candidate answered 50 questions.
Correct Answers = 38
Incorrect Answers = 12
Score = (38 × 4) – (12 × 1)
Score = 152 – 12
Final Score = 140 Marks
The calculated score provides a good estimate before the official rank list is released.
Best Books for IISER Preparation
A focused preparation strategy requires quality resources rather than a large number of books.
| Book Name | Subject | Purpose |
|---|---|---|
| NCERT Class 11 & 12 | All Subjects | Foundation Building |
| H.C. Verma | Physics | Concept Development |
| D.C. Pandey Series | Physics | Advanced Practice |
| O.P. Tandon | Chemistry | Theory + MCQs |
| Morrison & Boyd | Organic Chemistry | Advanced Concepts |
| R.D. Sharma Objective Mathematics | Mathematics | Practice Questions |
| Problems Plus in IIT Mathematics | Mathematics | Higher-Level Problems |
| Trueman Biology | Biology | Concept Clarity |
| MTG NCERT at Your Fingertips | PCB | Quick Revision |
| IISER Previous Year Papers | All Subjects | Exam-Level Practice |
Preparation Tips by Topper
Allen Johny Anil secured AIR 1 in the IISER Aptitude Test (IAT) 2024. Aspirants can draw inspiration from his achievement by focusing on conceptual clarity and consistent practice throughout their preparation.
- Strengthen fundamentals using NCERT textbooks.
- Solve previous year IISER question papers regularly.
- Practice mock tests to improve speed and accuracy.
- Focus on concept-based learning rather than memorization.
- Revise important topics and formulas frequently.
- Analyze mistakes and improve weaker areas.
- Maintain a balanced preparation strategy across all subjects.
IISER 2024 Cutoff Trends
The actual cutoff varies every year depending on seat availability, number of applicants, and overall paper difficulty. Since many candidates considered the 2024 paper tougher than previous editions, cutoff expectations remained moderate. Student discussions after the exam indicated that Mathematics and Physics contributed significantly to score variation.
Candidates should focus on maximizing their scores rather than targeting a specific cutoff number, as admission depends on rank and seat allocation rounds.
IISER 2024 Result
IISER announced IAT 2024 results on June 25, 2024. Qualified candidates became eligible for counseling registration and document upload. The admission process included rank publication, counseling registration, document verification, and multiple seat allocation rounds.
Candidates could download their scorecards using their User ID and Password from the official admission portal.
IISER FAQs
Ques: Can I change my institute preferences after submitting IISER counselling form?
Ans. IISER may provide a correction or preference-editing window during counselling. Candidates should check the official admission schedule for updates regarding preference modification.
Ques: What happens if I am allotted a seat in an IISER?
Ans: Candidates must accept the allotted seat by paying the prescribed Seat Acceptance Fee (SAF) and completing the document verification process within the given deadline to confirm admission.
Ques: Is there a waiting list in IISER admissions?
Ans: Yes, IISER conducts multiple rounds of seat allotment. Candidates who are not allotted a seat in earlier rounds may receive an allotment in subsequent rounds based on seat vacancies and their rank.
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