IISER Entrance Exam 2026 Pattern: Check Negative Marking Scheme & Section-wise Paper Pattern Here

IISER Aptitude Test 2026 Hall Ticket

24 May '26 - 7 Jun '26

Updated on May 28, 2026 10:50 IST

Overview

IISER 2026 exam pattern is available online. Candidates can check IISER admission 2026 website for exam pattern. The paper pattern helps know question paper structure. Candidates can go through the IAT exam pattern 2026 to know the marking scheme, mode of exam, test duration, types of questions and more. IISER Aptitude Test is a national-level exam conducted as a computer-based test. IAT 2026 will be conducted on June 7, 2026.

Candidates must check IISER 2026 syllabus for exam preparation. The authority has released previous year question paper of IISER online. Students can solve the paper to get familiar with the exam difficulty level and self-assessment. Students should also check the IISER mock test regularly. Check the page for the IISER exam pattern 2026.

Table of contents

IISER Exam Pattern 2026: Highlights
IISER Subject Wise Weightage
IISER Entrance Exam 2026 Marking Scheme
IISER Exam Sections and Important Topics
FAQs Regarding IISER Entrance Exam 2026 Pattern

IISER Exam Pattern 2026: Highlights

The exam pattern helps to understand the structure of the paper. IISER question paper has four sections. Each section will have 15 questions. Every question carries four marks. Negative marking is done for wrong answers. You can check the IAT exam pattern below.

Particulars	Details
Mode of exam	Computer Based Test (Online)
Duration of Test	3 hours (180 minutes)
Types of Questions	Multiple Choice Questions (MCQs)
Sections	Four Sections Physics Chemistry Mathematics Biology
Total Questions	60 Questions (15 questions each section)
Marking Scheme	Each question carries four marks
Negative Marking	-1 for wrong answer
Total Marks	240

Commonly asked questions

Q: What is a good score for the IISER?

220+ marks are a good score in IISER. Students must have a proper strategy to score high. They can plan their preparation according to the IISER exam syllabus. Practising previous year question paper and mock test will help in scoring good marks.

Q: Will there be any changes made in the IISER Entrance Exam 2026 pattern?

IISER Exam pattern for the academic session 2026-27 is yet to be announced. However, last year pattern remains to be same as of the previous year of IISER Entrance Exam which was also conducted in online mode i.e., computer-based. The only change which is made by the exam conducting body is the marks awarded for each correct anwer.

IISER Subject Wise Weightage

In the IISER question paper, there are four sections. Each section has equal weightage. Students must focus equally on all sections. Below is the subject-wise weightage of IISER.

Subject	No. of Questions	Marks Per Section
Physics	15 questions	60 Marks
Chemistry	15 questions	60 Marks
Mathematics	15 questions	60 Marks
Biology	15 questions	60 Marks

Commonly asked questions

Q: Which subject carries maximum weightage at IISER Entrance Examination?

IISER Entrance Exam carries equal weightage of all the subjects which are asked in the examination. The IISER Entrance Exam Marking Scheme is as follows: 1. Physics 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers. 2. Mathematics- 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers. 3. Chemistry 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers. 4. Biology 15 questions will be asked in the examination and 60 marks will be the maximum awarded for all the correct answers. Marking scheme: Candidates will be awarded three marks for each correct answer. There will be negative marking of one mark for each incorrect answer.

Q: How many sections are asked in the IISER Entrance Exam?

The IISER Entrance Exam 2026 pattern is expected to remains same as last year. IAT consists of 60 questions, 15 questions each from Biology, Chemistry Mathematics, and Physics. There will be four answer options. Total time for answering the test is 180 minutes. Questions are multiple choice type with only one correct answer. The mode of the exam is computer-based.

IISER Entrance Exam 2026 Marking Scheme

Candidates who are appearing for IISER 2026 exam must be familiar with exam marking scheme. IISER question paper has 60 questions (15 each sections). Every wrong answer will reduce your mark. Students should mark there answer carefully. If confident about the answer, then good, else ignore and move to the next question. Guesswork will not work for IISER exam. Check IISER marking scheme below.

Total questions	60 questions
Total marks	240 marks
Marks per question	4 marks
Negative marking	-1 mark
Unanswered question	0 mark

Commonly asked questions

Q: What will be the section wise marking scheme of IISER Entrance Exam 2026?

The IISER Entrance Exam Marking Scheme is given below.

Section	Marks
Physics	60
Mathematics	60
Chemistry	60
Biology	60

Each section carries 15 marks.

Q: What language will the IISER Entrance Exam be conducted in?

The question paper will be in English and Hindi languages. The candidates must read all the given instructions provided in the question papers at the time of examination.

IISER Exam Sections and Important Topics

There are four sections in IISER exam. Each section has equal weightage. Candidates need to focus on important topics to score good marks. Below are the IISER section-wise important topics.

Subject	Topics
Physics	Units and Measurements Motion in a Straight Line Motion in a Plane Laws of Motion Work, Energy and Power System of Particles and Rotational Motion Gravitation Mechanical Properties of Solids Mechanical Properties of Fluids Thermal Properties of Matter Thermodynamics Kinetic Theory Oscillations Waves Electric Charges and Fields Electrostatic Potential and Capacitance Current Electricity Moving Charges and Magnetism Magnetism and Matter Electromagnetic Induction Alternating Current Electromagnetic Waves Ray Optics and Optical Instruments Wave Optics Dual Nature of Radiation and Matter Atoms Nuclei Semiconductor Electronics
Chemistry	Some Basic Concepts of Chemistry Structure of the Atom Classification of Elements and Periodicity in Properties Chemical Bonding and Molecular Structure The d- & f-block elements Coordination compounds Thermodynamics Equilibrium Redox Reactions Solutions Electrochemistry Chemical Kinetics Organic Chemistry – Some Basic Principles and Techniques Hydrocarbons Haloalkanes and haloarenes Alcohols, phenols, and ethers Aldehydes, ketones, and carboxylic acids Organic compounds containing nitrogen Biomolecules
Mathematics	Sets and Logic Basic counting techniques Complex numbers, linear and quadratic equations Trigonometric functions Vectors Matrices & determinants Coordinate geometry Three-dimensional geometry Sequences & series Limit & continuity Differentiation Integration Differential equations Statistics, Probability & Linear Programming
Biology	Diversity In the Living World Structural Organisation In Plants And Animals Cell: Structure And Functions Plant Physiology Human Physiology Reproduction Genetics And Evolution Biology In Human Welfare Biotechnology Ecology

Also Read: IISER entrance exam books 2026

Commonly asked questions

Q: What is the level of the IISER Entrance Exam syllabus?

The IISER Entrance Exam syllabus is in tune with the Class 11 and 12 Board exam syllabus. The questions in the examination are asked from four domains of the Science subject, which are Mathematics, Biology, Chemistry, and Physics.

As per the syllabus mentioned in the information brochure of IISER, it is observed that in the Biology subject maximum syllabus is covered from the Class 12 book. For the subjects of Physics, Mathematics and Chemistry, the syllabus is equally distributed in Class 11 and 12.

Q: How many sections are asked in the IISER Entrance Exam?

FAQs Regarding IISER Entrance Exam 2026 Pattern

Students can check frequently asked questions regarding the IISER 2026 exam pattern here.

Commonly asked questions

Q: Can I get IISER Pune with 120 marks?

The General All India category student seeking admission to the BS-MS Dual Degree programme had Round 1 closing rank of 175 according to the IISER Pune cutoff for 2023. For 2022 and 2021, the corresponding Round 1 closing ranks were 535 and 529. According to this, there is a significant possibility that a student who ranks 120 or lower will get admitted to IISER Pune.

Q: Where can I check IISER exam pattern and syllabus?

You can check the IISER exam pattern and syllabus on the website, iiseradmission.in. Knowing the paper pattern and syllabus for IISER, you can plan your preparation.

Q: What is the entrance exam of IISER?

The entrance exam for IISER is the IAT (IISER Aptitude Test). This exam is conducted for admission to BS-MS, BS and BTech courses at IISER campuses. IAT is as computer based test.

Q: How many marks are required to qualify in IISER?

This merit list of IISER is prepared on the basis of marks secured by the candidates in KVPY (marks in 10+2 and KVPY fellowship) and JEE Advanced. So if you wants to know about the JEE Advanced channel, than candidates must have secured a rank within 15000 in the common rank list (for candidates belonging to GEN/OBC categories) or in the respective category rank lists (for candidates belonging to GEN-EWS/OBC-NCL/SC/ST/PWD categories) of JEE (Advanced). Additional cut-off criteria for marks obtained in 10+2 board examination is also applicable. The cut-off marks in (10+2) as eligibility for admissions is: 60% marks in aggregate or equivalent grade for GEN/OBC and OBC-NCL categories and 55% for SC/ST/PWD in any recognised board.