GAT B Answer Key 2026: Response Sheet, Raise Objection Details

GAT B Answer Key 2026 is expected to be released soon by the National Testing Agency (NTA) after the exam on 17 May 2026. Candidates who appeared for the Graduate Aptitude Test–Biotechnology can download the provisional answer key PDF and check their responses to estimate their scores.

Here we cover everything you need GAT B 2026 Answer Key download link, objection process, steps to check, and how to calculate score easily.

NTA GAT B Answer Key 2026 Highlights

The GAT B Answer Key 2026 update is important for candidates who want to estimate their performance before results.

• Exam Name: Graduate Aptitude Test – Biotechnology (GAT-B)

• Conducting Body: National Testing Agency (NTA)

• Exam Date: 17 May 2026

• Answer Key Status: To be released soon

• Mode of Exam: Computer-Based Test (CBT)

• Official Website: dbt.nta.ac.in

GAT B Answer Key 2026 Download Link

The GAT B Answer Key 2026 download link equivalent for GAT-B will be activated on the official NTA DBT portal.

Candidates will be able to:

• Download the answer key PDF

• Access their response sheet

• Match answers question-wise

Tip: Always download both the question paper and answer key for accurate calculation.

Steps to Check GAT B 2026 Answer Key 

Follow these simple steps:

1. Visit the official website: dbt.nta.ac.in

2. Click on “GAT-B Answer Key 2026” link

3. Login using:

• Application Number

• Date of Birth/Password

4. View the answer key and response sheet

5. Download the PDF for reference

These steps to check NTA GAT B Answer Key 2026 will help you access your responses easily.

GAT B Answer Key 2026 Raise Objection

NTA provides a window to challenge the provisional answer key.

How to Raise Objection:

• Login to your dashboard

• Click on “Challenge Answer Key”

• Select the question you want to challenge

• Upload valid proof (books/references)

• Pay required fee (approx. ₹200 per question)

• Submit and save confirmation

Only valid objections will be accepted, and changes will reflect in the final answer key.

How to Calculate Score Using GAT B Answer Key 2026

Understanding the marking scheme is crucial.

GAT-B Marking Scheme:

• Correct Answer: +2 marks

• Incorrect Answer:

• Section A: -0.5

• Section B: -1

• Unattempted: 0 marks

Score Calculation Formula:

Total Score = (Correct Answers × Marks) – (Incorrect Answers × Negative Marks)

Example:

• Correct: 80 questions → 160 marks

• Incorrect: 10 questions → -10 marks

• Estimated Score = 150 marks

This is the easiest way to calculate score using GAT B Answer Key 2026.

GAT B Final Answer Key & Result 2026

After reviewing all objections:

• NTA releases the final answer key

• No further challenges are accepted

• Results are prepared based on the final key

Candidates should keep checking the official website for updates on the GAT B Answer Key 2026 and results.