The IIT JEE (Joint Entrance Examination) consists of two parts: JEE Main and JEE Advanced. Each has its own marking scheme. Here’s a detailed overview

JEE Main Marking Scheme

1. Question Types:

   – Multiple Choice Questions (MCQs): 1 correct answer out of 4 options.

   – Numerical Value Questions: No options; candidates must enter a numerical value.

2. Marking Scheme:

   – Correct Answer (MCQs): +4 marks

   – Incorrect Answer (MCQs): -1 mark (penalty for wrong answers)

   – Correct Answer (Numerical Value Questions): +4 marks

   – Incorrect Answer (Numerical Value Questions): 0 marks

   – Unattempted Questions: 0 marks

JEE Advanced Marking Scheme

1. Question Types:

   – Multiple Choice Questions (MCQs): One or more options may be correct.

   – Numerical Value Questions: Candidates must enter a numerical answer.

   – Match the Following: Questions where candidates match items from two columns.

   – Comprehension-Based Questions: Questions based on provided passages or data.

2. Marking Scheme:

   – Correct Answer (Single Correct MCQs): +4 marks

   – Incorrect Answer (Single Correct MCQs): -2 marks

   – Correct Answer (Multiple Correct MCQs): +4 marks (partial credit may be awarded)

   – Incorrect Answer (Multiple Correct MCQs): -2 marks (if any option chosen is incorrect)

   – Correct Answer (Numerical Value Questions): +4 marks

   – Incorrect Answer (Numerical Value Questions): 0 marks

   – Unattempted Questions: 0 marks

Summary of Scoring

– JEE Main: 

  – Correct Answer: +4 marks

  – Incorrect Answer: -1 mark (for MCQs)

  – Unattempted: 0 marks

– JEE Advanced: 

  – Correct Answer (Single Correct): +4 marks

  – Incorrect Answer (Single Correct): -2 marks

  – Correct Answer (Multiple Correct): +4 marks (with potential partial credit)

  – Incorrect Answer (Multiple Correct): -2 marks (if any option is wrong)

  – Unattempted: 0 marks