AIIMS (All India Institute of Medical Sciences)
AIIMS MBBS Exam Pattern 2027 — Complete Question Paper Structure
Understand the marking scheme, section weights, question distribution and time strategy for All India Institute of Medical Sciences Bachelor of Medicine and Bachelor of Surgery
Exam Pattern at a Glance
Exam Mode
Online (CBT)
Language
English & Hindi
Negative Marking
None
Sections
4
Section-wise Pattern
| Subject / Section | Questions | Marks per Q | Total Marks | Time (approx) |
|---|---|---|---|---|
| Physics | 50 | +1 | 50 | 50 min |
| Chemistry | 50 | +1 | 50 | 50 min |
| Biology | 50 | +1 | 50 | 50 min |
| General Knowledge | 50 | +1 | 50 | 50 min |
| Total | 200 | — | 200 | 200 min |
Time is indicative. Candidates can attempt sections in any order in CBT mode.
Marking Scheme
Correct Answer
+1
marks
Wrong Answer
None
marks
Unattempted
0
marks
Marking Scheme
+1 / −0.33
Example Calculation:
If you attempt 120 questions, get 90 correct and 30 wrong:
Score = 90 × 1 = 90 marks
Skip questions you're unsure about — negative marking can reduce your score significantly.
Time Management Strategy
You have approximately 60.0 seconds per question on average.
| Phase | Time Budget | Target Questions |
|---|---|---|
| First pass (attempt easy Qs) | 120 min | 140 Qs |
| Second pass (attempt medium) | 60 min | 40 Qs |
| Review & guess | 20 min | Remaining |
Year-wise Pattern Changes
| Year | Questions | Duration | Key Change |
|---|---|---|---|
| 2025 | 200 | 200 min | Current pattern |
| 2024 | 200 | 200 min | No major change |
| 2023 | 200 | 200 min | Section added |
Pattern history is approximate. Always check official notification.
Difficulty Distribution
Approximate question count: ~40 Easy | ~80 Medium | ~80 Hard
Based on difficulty level: hard. Actual distribution may vary.
Frequently Asked Questions
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