IISER Entrance Exam Syllabus 2025 (Released): Download Latest Syllabus PDF

According to the exam authorities, the syllabus of the IISER Aptitude Test is based on Class 11 and Class 12 NCERT syllabus and curriculum. Hence, the IISER Aptitude Test books for preparation should be of a higher secondary level. Moreover, NCERT books would also suffice as IISER Entrance Exam preparation the content. However, candidates must look for other reference books and attempt as much mock tests so that it can give the variability in the preparation. Candidates can refer the following reference books in the Shiksha link https://www.shiksha.com/science/iiser-entrance-exam-books.

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 4 domains of Science subject, which is Mathematics, Biology Chemistry and Physics.

As per the syllabus mentioned in the information brochure of IISER 2025, it is observed that in Biology subject maximum syllabus is covered from class 12 book. For the subject of Physics. Mathematics and Chemistry the syllabus is equally distributed in class 11 and 12.

IISER entrance examination provides admission to candidates in the five-year-long BSMS dual degree programme offered by them. On the basis of a candidates score in the IISER Entrance Exam (also known as IISER aptitude test), he/she can secure admission at IISER located in Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, or Tirupati. Since it is an undergraduate degree, the syllabus for the examination is confined to class 11 and 12 subjects which are Physics Chemistry Biology and mathematics. Candidates can find the complete syllabus in the information brochure of the IISER on the official website. For detailed syllabus, candidates can view the below Shiksha link- https://www.shiksha.com/science/iiser-entrance-exam-syllabus.

The IISER Entrance Exam 2025 pattern is yet to be announced for this year's examination. It has been observed that the IISER Entrance Exam 2025 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. IAT will consist of 60 questions, 15 questions each from Biology Chemistry Mathematics, and Physics. Total time for answering the test will be 180 minutes. Questions will be of multiple choice type with only one correct answer.

The IISER Aptitude Test (IAT) 2025 syllabus covers core subjects from the 11th and 12th-grade Science curriculum. Specifically, it encompasses:

• Physics: Topics range from mechanics, thermodynamics, and optics to electromagnetism and modern physics.
• Chemistry: The syllabus includes physical, organic, and inorganic chemistry, covering concepts like chemical bonding, thermodynamics, and organic reactions.
• Mathematics: This section focuses on topics like algebra, calculus, trigonometry, coordinate geometry, and statistics.
• Biology: The biology syllabus covers diverse areas, including cell biology, genetics, plant and human physiology, and ecology.

Essentially, the IISER exam aims to assess a candidate's fundamental understanding of these key Science subjects. The exam consists of multiple choice questions, with an equal number of questions from each of the four subjects.

While the IISER Aptitude Test (IAT) primarily aligns with the NCERT syllabus of classes 11th and 12th, it's important to understand a few nuances:

• Emphasis on Conceptual Understanding:
  • The IAT places a strong emphasis on conceptual clarity and problem-solving abilities. This means that even within NCERT topics, the exam might present questions that require a deeper understanding and application of those concepts.
• Slight Variations and Depth:
  • Although the base is NCERT, some questions might delve into slightly more advanced applications or require a broader perspective within those topics. This means that while the core content is from NCERT, the depth of understanding expected might be higher.
• Focus on Scientific Aptitude:
  • The IAT aims to assess a candidate's scientific aptitude, which might involve questions that require logical reasoning and analytical skills, even if they are based on NCERT concepts.

Yes, the IISER Aptitude Test (IAT) 2025 syllabus is uniform across all IISERs in India. This means that all candidates applying for admission to any of the IISERs will be assessed based on the same syllabus.

• Common Entrance Exam:
  • The IAT is a centralized entrance exam, and its purpose is to provide a single, standardized assessment for all applicants.
• Equal Opportunity:
  • Having a common syllabus ensures that all candidates have an equal opportunity to demonstrate their knowledge and aptitude, regardless of which IISER they are applying to.
• Centralized Admission Process:
  • The centralized admission process, facilitated by the IAT, necessitates a uniform syllabus for fair and consistent evaluation.

Based on the information available, IISER does provide syllabus information, though it's important to understand how that information is presented:

• Core 11th and 12th Grade Syllabus: The IISER Aptitude Test (IAT) primarily draws its content from the standard 11th and 12th-grade Science syllabi (Physics, Chemistry, Mathematics, and Biology). Therefore, those curriculums are the fundamental base.
• Official Website and Resources:
  • IISER publishes information regarding the exam on their official admission website (iiseradmission.in). This website is the best place to find the most accurate and up to date information.
  • Websites that provide educational information, compile the information from the core 11th and 12th grade syllabus, and the information that IISER provides.
• Topic-Wise Breakdown:
  • You can find detailed topic-wise breakdowns of the syllabus for each subject (Physics, Chemistry, Mathematics, and Biology) through resources like educational websites. These breakdowns can help you understand the specific areas to focus on.

Yes, the IISER Aptitude Test (IAT) 2025 does have a weightage distribution for each subject.

Equal Weightage:

• The IAT generally maintains an equal weightage distribution across the four subjects: Physics, Chemistry, Mathematics, and Biology. This means that each of these subjects contributes equally to your overall score.

• Balanced Assessment:
  • This equal distribution ensures a balanced assessment of a candidate's aptitude in all core Science disciplines.
• Importance of all Subjects:
  • This also means that no one subject is more important than the other, and that to score well, a student must prepare for all four subjects.

Effectively covering the vast IAT 2025 syllabus requires a structured and strategic approach. Here's a breakdown:

• Create a Study Plan:
  • Divide the syllabus into manageable chunks and allocate time for each topic.
  • Prioritize topics based on their weightage and your strengths and weaknesses.
• Focus on Conceptual Clarity:
  • Don't just memorize; understand the underlying principles.
  • Use NCERT textbooks as the primary source and supplement with other resources when needed.
• Practice Regularly:
  • Solve numerous problems from each topic to reinforce your understanding.
  • Practice previous years' question papers and mock tests to simulate the exam environment.
• Regular Revision:
  • Schedule regular revision sessions to reinforce learned concepts.
  • Create concise notes and flashcards for quick review.
• Time Management:
  • Practice time management during mock tests to improve your speed and accuracy.

The Chemistry section of the IAT 2025 syllabus covers a wide range of topics from physical, organic, and inorganic chemistry, primarily based on the 11th and 12th-grade NCERT syllabus. Key areas include:

• Physical Chemistry:
  • This includes topics like chemical thermodynamics, chemical equilibrium, electrochemistry, chemical kinetics, solutions, and solid state.
• Inorganic Chemistry:
  • Focus on chemical bonding and molecular structure, coordination compounds, p-block elements, d- and f-block elements, and periodic properties.
• Organic Chemistry:
  • Covers basic principles and techniques, hydrocarbons, haloalkanes and haloarenes, alcohols, phenols and ethers, aldehydes, ketones and carboxylic acid, biomolecules and amines.

The Physics section of the IAT 2025 emphasizes a strong foundation in core concepts from 11th and 12th-grade NCERT. Key topics include:

• Mechanics:
  • This covers kinematics, laws of motion, work, energy, power, rotational motion, gravitation, and properties of solids and liquids.
• Thermodynamics:
  • Focus on heat and temperature, thermal expansion, kinetic theory of gases, and the laws of thermodynamics.
• Optics:
  • Includes ray optics (reflection, refraction, lenses) and wave optics (interference, diffraction, polarization).
• Electromagnetism:
  • Topics range from electrostatics and current electricity to magnetic effects of current, electromagnetic induction, and alternating current.
• Modern Physics:
  • This section covers topics like dual nature of radiation and matter, atoms, nuclei, and semiconductor electronics.

Candidates should focus on understanding the underlying principles and practicing problem-solving to excel in this section.

The time required to adequately prepare for the IISER Physics syllabus depends on several factors, including your existing knowledge, learning pace, and study habits. However, a focused preparation period of 6 to 12 months is generally recommended.

• Foundation Building:
  • If your basic understanding of 11th and 12th-grade Physics is weak, you'll need more time to build a strong foundation.
• Conceptual Clarity and Practice:
  • The IAT emphasizes conceptual understanding and problem-solving. Dedicate ample time to mastering concepts and practicing a wide variety of problems. 
• Revision and Mock Tests:
  • Allocate sufficient time for thorough revision and taking mock tests to assess your progress and identify areas for improvement.
• Individual learning speed:
  • Every student learns at a different pace.

Therefore, starting your preparation well in advance, ideally a year before the exam, is advisable.

Based on the information available regarding the IISER Aptitude Test (IAT), it is essential to understand the structure of the exam:

• Equal Weightage:
  • The IAT typically consists of questions from four subjects: Physics, Chemistry, Mathematics, and Biology.   
  • Each of these sections carries equal weightage. This means that each subject contributes significantly to your overall score.   
• Comprehensive Evaluation:
  • The exam is designed to evaluate a candidate's overall scientific aptitude across these core Science disciplines.   
  • Therefore, attempting questions from all sections, including Physics, is crucial.
• Scoring and Admission:
  • Your overall score in the IAT determines your eligibility for admission to IISERs.
  • Skipping any section, including Physics, would significantly impact your score and reduce your chances of admission.

In essence, it is necessary to attempt physics questions in the IISER entrance exam. The exam is designed to test your ability in all four Science subjects.

IISER 2023 entrance examination is considered to be one of the finest and the toughest exams under Science stream undergraduate entrance examination as it provides the BSMS dual degree in the most reputed and research-oriented institutions across the country which is IISERs. On a comparison note, candidates will find the examination tougher than JEE Main exam, but below JEE Advanced. Unlike JEE or NEET the IISER aptitude test asks questions from both mathematics and Biology. Subjects which are found tougher in IISER entrance examination- Organic Chemistry can easily create hassle while giving the entrance examination as there are a lot of naming reactions, its electrophilic and nucleophilic attacks which are commonly asked in the examination. For the bio-background people, the Math section is not usually unscalable. With a decent understanding of regular 11th and 12th-grade concepts, you should be able to crack a few questions without much trouble. Of course, the caveat being that you rock it in the bio section and make up for it. So ensure that you don't falter at this juncture.

The syllabus for Mathematics in IISER 2025 entrance examination is as follows: Sets Relations and Functions Trigonometric Functions, Inverse Trigonometric Functions Principles of Mathematical Induction, Complex Numbers and Quadratic Equations, Linear Inequalities, Permutations and Combinations, Binomial Theorem, Sequences and Series, Straight lines, Conic Sections Three Dimensional Geometry, Limits and Derivatives Mathematical Reasoning, Statistics Probability Matrices, Determinants Continuity and Differentiability, Application of Derivatives, Integrals Applications of Integrals Differential Equations Vectors and Linear Programming.

The IISER Entrance Exam questions are objective and carries multiple choices (MCQs). Each question will have four answer options. Candidates will have to deduce the correct answer option and click on it with the help of mouse. Since IISER 2025 exam will be conducted in a computer-based mode, test-takers will be able to mark only one answer option. In case it is the correct option, they will get full marks and in case of wrong answer, negative marking scheme will be applied. Hence, candidates must ensure the accuracy of the answer before selecting the answer. Before the final submission, they can change the answer option in case they realise that they have entered a wrong answer option earlier.

The syllabus for Physics in IISER 2025 entrance examination is as follows: Physical World and Measurement Kinematics, Laws of Motion. Work, Energy and Power. Motion of Systems of Particles and Rigid body, Gravitation Properties of bulk matter, Thermodynamics Behavior of perfect gas and kinetic energy, Oscillations, Waves Electrostatics, Current Electricity Magnetic effect of current and magnetism, Electromagnetic Induction Alternating current, Electromagnetic Waves Optics Dual Nature of Radiation and Matter. Atoms, Nuclei, Electronic devices, Communication Systems.

The syllabus for Chemistry in IISER 2025 entrance examination is as follows- Structure of the Atom, Classification of Elements and Periodicity in Properties, Chemical Bonding and Molecular Structure, States of Matter Thermodynamics Equilibrium, Redox Reactions Hydrogen, The s-block Elements, The p-Block Elements Organic Chemistry Some Basic Principles and Techniques, Hydrocarbons, Environmental Chemistry The solid state, Solutions, Electrochemistry, Chemical Kinetics, Surface Chemistry General principles and processes of isolation of elements, The d and f block elements, Coordination Compounds, Haloalkanes and haloarenes, Alcohols, phenols and ether, Aldehydes, ketones and carboxylic acids. Organic compounds containing nitrogen, Biomolecules Polymers, Chemistry in everyday life.

The syllabus for Biology in IISER 2025 entrance exam is mentioned below- Diversity in the living world. 1. Structural organisation in animals- Animal tissues, organs and organ systems (earthworm, cockroach and frog) 2. Structural organisation in plants- morphology and anatomy of flowering plants. 3. Cell structure and function. 4. Plant and Animal physiology. 5. Human Physiology. 6. Reproduction 7. Genetics and Evolution 8. Biology and human welfare 9. Biotechnology and its applications 10. Ecology and environment.