IAT Exam 2025: Your Gateway to IISERs – Eligibility, Syllabus & Exam Pattern ©

 

IISER Aptitude Test (IAT) 2025: Highlights, Eligibility, Syllabus and Exam Pattern ©

The IISER Aptitude Test (IAT) is a crucial entrance examination conducted by the Indian Institutes of Science Education and Research (IISER) for admission into its prestigious five-year BS-MS dual-degree programs. Candidates aiming for a career in scientific research and innovation take this test to gain admission into one of the seven IISERs located in Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati.

In the previous article we have discussed about the careers after successfully cracking of IAT entrance and the available job opportunities in the various sectors. Continuation of the this article, we will be discussing of Highlights, Eligibility, Syllabus and IAT Exam Pattern.

1. IAT Exam Highlights 2025

Exam Name: IISER Aptitude Test (IAT)
Conducting Body: Indian Institutes of Science Education and Research (IISER)
Mode of Exam: Computer-Based Test (CBT)
Exam Duration: 180 minutes (3 hours)
Number of Questions: 60
Total Marks: 240
Marking Scheme:

For each correct answer - +4 marks

For each incorrect answer - 1 marks

For unanswered questions - 0 marks

Medium of Exam: English

2. Eligibility Criteria for IAT : Applying for IAT 2025, candidates must have the following criterias, these are -

A. Nationality:
Open to Indian nationals, OCI, and PIO candidates.

B. Educational Qualification:

• Must have passed or appeared in Class 12 (or equivalent) examination with Science stream in 2024 or 2025.
• Candidates must have studied Mathematics, Physics, Chemistry, and Biology at the 10+2 level.

C. Minimum Marks Requirement:

• General category: Minimum 60% aggregate in Class 12 (or equivalent).
• SC/ST/PwD category: Minimum 55% aggregate in Class 12.

D. Admission Channels:
IISER offers admission through following three channels, these are:
# KVPY Channel: Based on KVPY Fellowship.
# JEE Advanced Channel: Based on JEE Advanced rank.
# IAT Channel: Based on IISER Aptitude Test (IAT) performance.
# IAT Exam Pattern 2025

3. Syllabus and Exam Pattern for IAT 2025: 

The IAT exam follows a structured pattern that tests candidates in four key subjects.

# IAT Syllabus subjets infludes - Physics, Chemistry, Mathematics and Biology for Total of 240 marks

# For each subjects - No. of 15 Questions to be attempted, Each Question carries 4 marks to total of 60 Marks for each subject

The syllabus is based on NCERT Class 11 and 12th and the topic/chapter wise details or the breakdown are as below -

1. Physics: 

• Kinematics
• Laws of Motion
• Work, Energy, and Power
• Rotational Motion
• Gravitation
• Thermodynamics
• Electrostatics and Current Electricity
• Electromagnetic Induction and Alternating Currents
• Optics
• Modern Physics

2. Chemistry

• Some Basic Concepts of Chemistry
• Atomic Structure
• Chemical Bonding and Molecular Structure
• Thermodynamics
• Equilibrium
• Electrochemistry
• Chemical Kinetics
• The Solid State and Solutions
• Coordination Compounds
• Organic Chemistry – Hydrocarbons, Alcohols, Phenols, and Ethers

3. Mathematics

• Sets, Relations, and Functions
• Trigonometry
• Matrices and Determinants
• Limits and Continuity
• Differentiation and Integration
• Probability
• Vector Algebra
• Three-dimensional Geometry
• Differential Equations

4. Biology

• Diversity of Living Organisms
• Structural Organisation in Animals and Plants
• Cell Structure and Function
• Plant Physiology
• Human Physiology
• Reproduction
• Genetics and Evolution
• Biotechnology and Its Applications
• Ecology and Environment

Preparedness for IAT 2025

• Understand the Syllabus: Cover all topics from NCERT textbooks for Classes 11 and 12th grade.
• Practice Regularly: Solve previous years’ question papers and mock tests to improve speed and accuracy.
• Time Management: Practice time-bound tests to enhance performance during the exam.
• Revise Conceptually: Focus on understanding concepts rather than RATTA MARR memorization.
• Additional Books to be refered: Use reference books like HC Verma (Physics), OP Tandon (Chemistry), and RD Sharma (Mathematics) for  understanding.

The IISER Aptitude Test (IAT) 2025 is a gateway for aspiring scientists and researchers to enter IISERs, institutions known for their excellence in science education and research. By understanding the exam highlights, eligibility, syllabus, and pattern, candidates can strategize their preparation effectively. Stay updated with the latest announcements on the official IISER admission portal and prepare diligently to secure a seat at one of the top IISER institutes in India.

For more details, https://www.iseradmission.in

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# Director & Global Career Counsellor,
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