Free online practice test
IISER IAT Full Mock Test 1
IISER Aptitude Test 2026
Simulate the complete IAT paper across 4 sections with exam-pattern scoring and timing.
Syllabus-checked original practice
Mapped to the official IAT syllabus and answer-checked on 31 August 2026.
View official pattern sourceTest-day essentials
Know before you start
- The timer starts as soon as you click "Start test" and the test auto-submits when time runs out.
- Mark questions for review and return to them while their section or timing group is still open.
- Your answers and timer deadline are saved on this device, so a refresh can resume safely.
- After submitting, review section and topic scores, explanations, and source links.
About this IISER IAT IAT mock test
This free mock contains 60 original practice questions mapped to the IISER IAT IAT syllabus and pattern. Every checked answer includes an explanation and a source record.
What the test covers
Biology
15 questions
Chemistry
15 questions
Mathematics
15 questions
Physics
15 questions
Scoring and result analysis
Correct answers earn 4 marks and wrong answers deduct 1 mark. Unattempted questions score zero. After submitting, you receive section-wise and topic-wise accuracy, time spent, answer explanations, and source links.
More IISER IAT practice
4 other reviewed tests are published for this exam. The rest of this IAT stage comes first, then the other stages.
- Biology Sectional Test 1 · 15 questions
- Chemistry Sectional Test 1 · 15 questions
- Mathematics Sectional Test 1 · 15 questions
- Physics Sectional Test 1 · 15 questions