India, Feb. 2 -- Indian Institutes of Science Education and Research (IISERs) will conduct the IISER Aptitude Test, or IAT 2025, on May 25. The online registration process will begin on March 5 at iiseradmission.in.

IAT 2025 will be conducted as a computer-based test in exam centres across India. The test will have 60 questions, 15 each from Biology, Chemistry, Mathematics, and Physics.

The total duration of the exam will be 180 minutes. The questions will be multiple-choice, with only one correct answer per question.

Each question will carry four marks with a negative marking (-1) for wrong answers. The total marks in the exam will be 240.

The exam is for admission to the five-year BS-MS course at IISERs, four-year BSin Economic Scie...