Indian Institute of Science Education and Research (IISER) has released the provisional answer key of the IISER Aptitude Test (IAT) 2025. Candidates appearing in the exam can check it by visiting the official website iiseradmission.in. The exam was conducted on 25 May. Candidates can register objections on the released provisional answer key till 5 pm on June 1.

Candidates registering objections will have to pay a fee of Rs 100 per question. Objections lodged without paying fees will not be valid. The final answer key and results will be released after the disposal of objections received on the provisional answer key. The window for submitting objections has been opened from 5 pm on 29 May.

IISER IAT Answer Key 2025 How to Check: Check the answer key like this

Now enter the registration number and other details and submit.

The answer key will appear on your screen in PDF format.

Now check and take a printout.

IISER IAT 2025: Documents to be uploaded
The window for uploading documents will open on June 1 and close on June 16 at 5 pm. Candidates must upload all the required documents within this period to be considered for admission under their respective categories.

The IISER Aptitude Test (IAT) is conducted for admission to five-year BS-MS (dual degree) and four-year BS degree programs. The entrance exam was conducted in computer-based mode at several centers across the country. The duration of the exam was 180 minutes and 60 multiple choice questions were asked in it. 15 questions each were asked from Biology, Chemistry, Mathematics, and Physics. For more information, candidates can visit the official website of IISER.

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