IISER Aptitude Test

IISER Aptitude Test (IAT) is an Indian computer-based test for admission to the various undergraduate programs offered by the seven IISERs, along with IISc Bangalore and IIT Madras.[3][4][5][6]

IISER Aptitude Test – UG
AcronymIAT
TypeElectronic assessment (CBT mode)
AdministratorIISER Joint Admission Committee (IISER-JAC Chairman)
Skills testedPhysics, Chemistry, Mathematics, Biology
PurposeAdmission to undergraduate science programs (BS Four-year and BS-MS Dual Degree Five-year programs) in 7 IISERs, BS Four-year program in IISc, and BS Four-year program of MSE in IIT Madras only.
Year started2010 (2010)
Duration3 hours
Score range-60 to +240
Offeredonce in a year
Restrictions on attemptsMaximum three attempts in consecutive years, with no age limit
RegionsIndia
LanguagesEnglish and Hindi only
Annual number of test takers
  • 34,751 (2023) [1]
  • 22,320 (2022) [2]
PrerequisitesCandidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) examination.
Fee
  • ₹2,000 for General/General-EWS/OBC/OBC-NCL (Central List) candidates
  • ₹1,000 for SC/ST/PwD/Third Gender/Kashmiri Migrants (KM) candidates
Websitehttps://www.iiseradmission.in/

It is the only examination to get admission into the

It also serves as one of the channels to get admission into the 4-year Bachelor of Science (Research) Programs of IISc Bangalore.

The SCB (State and Central Boards) channel is the only way for students to apply for admission to the Indian Institutes of Science Education and Research (IISERs).

IAT for IISERs

From 2024 onwards, admission to IISERs will be exclusively through the IISER Aptitude Test (IAT).[7] There is no JEE Advanced channel or KVPY channel for admission in IISER anymore.

IAT for other institutes

The following institutes use IAT for admitting students to their programs.

Test Pattern

IAT is conducted as a computer based test in the centers across India.

IAT consists of 60 questions: 15 questions each from Biology, Chemistry, Mathematics, and Physics.

Total time for answering the test is 3 hours. Questions are of multiple choice type with only one correct answer.

  • Each correct answer is awarded 4 marks.
  • Each incorrect answer leads to the deduction of 1 mark.
  • Unanswered questions are awarded 0 mark.
  • Therefore, maximum marks awarded in IAT are 240.

The total marks obtained by a candidate out of 240 is considered for preparing the Rank List.

Not every candidate appearing in IAT is awarded a rank. Rank cut-off is announced at an appropriate time. Further, getting a rank does not guarantee offer/admission to an IISER.[8]

Syllabus

The syllabus generally follows the NCERT syllabus for classes 11 and 12. For 2024 exam, it will follow the rationalized syllabus of 2023-24.

Syllabus for IAT[9]
Biology Chemistry Mathematics Physics
  • Diversity in the living world
  • Structural Organization in Animals and Plants
  • Cells: Structures and Functions
  • Plant and Animal physiology
  • Human physiology
  • Reproduction
  • Genetics and evolution
  • Biology and human welfare
  • Biotechnology and its application
  • Ecology and environment
  • Basic Principles of Chemistry
  • Structure of the Atom
  • Classification of Elements and Periodicity in Properties
  • Chemical Bonding and Molecular Structure
  • Thermodynamics
  • Equilibrium
  • Redox Reactions
  • Organic Chemistry – Some Basic Principles and Techniques
  • Hydrocarbons
  • Solutions
  • Electrochemistry
  • Chemical Kinetics
  • The d- & f-block elements
  • Coordination compounds
  • Haloalkanes and haloarenes
  • Alcohols, phenols and ethers
  • Aldehydes, ketones and carboxylic acids
  • Organic compounds containing nitrogens
  • Biomolecules
  • Sets
  • Relations and functions
  • Trigonometric Functions
  • Inverse Trigonometric Functions
  • 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
  • Statistics
  • Probability
  • Matrices
  • Determinants
  • Continuity and Differentiability
  • Application of Derivatives
  • Integrals
  • Applications of integrals
  • Differential equations
  • Vectors
  • 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 a perfect gas and Kinetic Theory
  • 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
  • Semicounductor and Electronic devices

References
  1. "IAT | Notices". Archived from the original on 2023-09-22. Retrieved 2024-01-29.
  2. "IISER exam".
  3. "IISER Aptitude Test (IAT)". Archived from the original on 2023-08-07. Retrieved 2023-08-07.
  4. "Eligibility Criteria". Archived from the original on 2023-08-07. Retrieved 2023-08-07.
  5. "IISc UG - Information Brochure". Archived from the original on 2023-03-11. Retrieved 2023-11-28.
  6. "Archived copy" (PDF). Archived (PDF) from the original on 2023-10-30. Retrieved 2023-11-28.{{cite web}}: CS1 maint: archived copy as title (link)
  7. "Eligibility Criteria". IAT 2024. Retrieved 2024-03-21.
  8. "IISER Aptitude Test (IAT)". IAT 2024. Retrieved 2024-03-30.
  9. "Syllabus" (PDF). IAT 2024. Retrieved 2024-03-30.
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