IISER Aptitude Test

Indian Institutes of Science Education and Research Aptitude Test

🔷 What is IISER Aptitude Test (IAT)?

The IISER Aptitude Test (IAT) is a national-level entrance examination conducted for admission into the 5-Year BS–MS Dual Degree Programme offered by the Indian Institutes of Science Education and Research (IISERs).

IISERs focus on pure sciences and research-oriented education, unlike engineering-focused institutes.

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🎯 Courses Offered

🔬 BS–MS Dual Degree (5 Years)

• Physics
• Chemistry
• Mathematics
• Biology
• Earth & Environmental Sciences
• Interdisciplinary Sciences

📌 Students choose their major after 1–2 years, based on interest and performance.

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🏫 IISER Campuses

• IISER Pune
• IISER Kolkata
• IISER Mohali
• IISER Bhopal
• IISER Thiruvananthapuram
• IISER Tirupati
• IISER Berhampur

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📅 Exam Frequency

• Conducted once every year
• Usually held in June
• Computer-Based Test (CBT)

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🧪 Exam Pattern

• All four subjects are compulsory
• Maximum Marks: 240

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⏱️ Exam Details

• Mode: Online (CBT)
• Duration: 3 Hours
• Question Type: MCQs
• Language: English only

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❌ Negative Marking

• ✔️ Yes

  • +4 for correct answer
  • –1 for incorrect answer

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📚 Syllabus

Based on NCERT Class 11 & 12

• Physics: Mechanics, Electricity & Magnetism, Modern Physics
• Chemistry: Physical, Organic, Inorganic
• Mathematics: Calculus, Algebra, Vectors
• Biology: Cell Biology, Genetics, Ecology

📌 Balanced preparation in all four subjects is mandatory.

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📊 Cutoff Ranks (Approximate)

(May vary yearly)

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🧑‍🎓 Eligibility Criteria

• Passed Class 12 (Science) with:

  • Physics, Chemistry, Mathematics and/or Biology

• Minimum Marks:

  • General/OBC: 60%
  • SC/ST/PwD: 55%

• Appearing students also eligible

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🏫 Admission Process

1. IAT Exam
2. Rank List Declaration
3. Online Counseling & Preference Filling
4. Seat Allotment Rounds
5. Document Verification
6. Admission Confirmation

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🧠 Difficulty Level

• Conceptual & application-based
• Higher than MHT-CET
• Comparable to JEE Main (science depth) but includes Biology
• Tests scientific thinking, not rote learning

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🧪 Why Choose IISER?

• Strong research ecosystem
• Direct pathway to PhD in India & abroad
• Excellent faculty & labs
• Scholarships available (INSPIRE)
• High international recognition

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🔁 IISER IAT vs JEE vs NEET

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🧠 Preparation Strategy

• Strengthen NCERT fundamentals
• Focus on conceptual clarity
• Practice mixed-subject mock tests
• Improve problem-solving, not memorization
• Balance all 4 subjects

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⭐ Who Should Choose IAT?

• Students interested in research & academia
• Those aiming for scientist, professor, PhD
• Students who enjoy conceptual problem-solving