IISER Entrance Exam 2027 Pattern: Check Negative Marking Scheme & Section-wise Paper Pattern Here

Indian Institutes of Science Education and Research Entrance Exam 2026 ( IISER Entrance Exam )

Vikash Kumar Vishwakarma
Updated on Sep 6, 2026 22:53 IST

By Vikash Kumar Vishwakarma

IISER 2027 exam pattern: The authority will release the IAT exam pattern 2026 online. Candidates can check the exam pattern to know the marking scheme, mode of exam, exam duration, types of questions, total marks, etc. Candidates can follow the IISER exam pattern to plan their section-wise preparation. Moreover, they have to follow the IISER 2027 exam syllabus for preparation. Candidates can also practice IISER PYQs and mock tests to boost their preparation. IISER Aptitude Test is expected to be held in June 2027. Check the page for detailed information on the IISER 2027 exam pattern.

Table of contents
  • IISER Exam Pattern 2027: Highlights
  • IISER Subject Wise Weightage
  • IISER Entrance Exam 2027 Marking Scheme
  • IISER Exam Sections and Important Topics
  • FAQs Regarding IISER Entrance Exam 2027 Pattern
IISER Entrance Exam Logo

IISER Exam Pattern 2027: Highlights

Candidates can check the IISER exam pattern to understand the structure of the question paper. There will be four sections in the IISER question paper, including Physics, Chemistry, Mathematics, and Biology. The question paper will comprise multiple-choice questions. Here are the highlights of the IISER 2027 exam pattern.

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

 

IISER Entrance Exam Logo

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

 

IISER Entrance Exam Logo

IISER Entrance Exam 2027 Marking Scheme

Candidates must be familiar with the IISER marking scheme. This will help them to attempt the questions strategically. There will be 60 questions in the IISER paper. Each question carries 4 marks. Negative marking is done for wrong answers. No marking is done for unattempted questions. Check the table for the IISER marking scheme.

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

 

IISER Entrance Exam Logo

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 2027

IISER Entrance Exam Logo

FAQs Regarding IISER Entrance Exam 2027 Pattern

Students can check frequently asked questions regarding the IISER 2027 exam pattern here.

8 Institutes accepting IISER Entrance Exam

B.S. + M.S.
  • 4.45 Lakh
  • 5 years
  • |
  • Full Time
B.Sc. (Research) in Physics
  • 3.20 Lakh
  • 4 years
  • |
  • Full Time

Explore more Science exams with upcoming dates

SAT India Exam (October) Attempt 3 Oct '26
IIT JAM 2027 Application Process 11 Sep '26 - 12 Oct '26
CUET PG 2027 Exam Notification Dec '26
CUET 2027 Application Process Jan '27
OUAT 2027 Registration Mar '27

News & Updates

Latest NewsPopular News