Negative Marking in JAM 2025: Marking Scheme

Students who appeared in IIT JAM 2025 on February 2 can check the answer key along with their recorded responses on February 14. To accurately calculate JAM scores using answer key and response sheet, students must be aware of the negative markings in JAM 2025. The JAM exam is divided into three sections, A, B and C. Only Section A has negative marking. For every 1 mark question in IIT JAM the negative marking is -⅓ and for 2 marks questions the negative marking is -⅔. There is no negative marking for unattempted questions in JAM. Students are advised to read the entire article to learn more about the JAM negative marking and other relevant details.

IIT JAM 2025 Negative Marking

The JAM exam has negative marking in section A. However, there are no negative marking schemes in section B and C. If you answer wrong to any one mark question in the JAM exam, -⅓ marks will be deducted and -⅔ for incorrectly answering any 2 marks question. While calculating the IIT JAM score, students must consider the sections the questions are from to predict the marks as accurately as possible.

Also read,

• How to calculate JAM scores 2025?

• When will JAM provisional answer key 2025 be out?

IIT JAM 2025 Marking System

How to Calculate IIT JAM Scores?

Students can easily make an estimation on JAM scores. Candidates can check this easy formula to calculate JAM marks below:

• For one mark questions (A):

IIT JAM score = {(number of correct answers*1)-(number of incorrect answers*⅓)}

• For two marks questions (B):

IIT JAM score = {(number of correct answers*1)-(number of incorrect answers*⅔)}

• Finally, IIT JAM final score = (A+B)

What after the IIT JAM Response Sheet is out?

Firstly, students can take printed copies of their recorded responses after it is out. Then, print out the JAM answer key and keep them side by side. Take a blank piece of paper and evaluate your recorded responses based on the marking scheme. Finally, calculate all the positive and negative markings and you will have the final score.

Error in JAM Answer key 2025? What Next?

In case you spot any errors in the IIT JAM 2025 answer key, you can challenge the answers from February 14 to 20 in online mode. To raise objections against JAM answer key 2025 you need to pay Rs 500 per question. The JAM answer key is released after the expert committee evaluates all the objections raised against the answer key. The JAM result will be released tentatively on March 19, 2025.