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Bihar Public Service Commission (BPSC) has released the Mineral Development Officer (MDO) Answer Key 2025, updated on 22 October 2025. The exam was held on 9–10 August 2025, and the provisional key was issued on 27 August 2025. Candidates could raise objections till 13 September 2025. Now Bihar Public Service Commission (BPSC) has released an updated answer key after taking objections to the BPSC MDO Answer Key 2025 for Mineral Development Officer (MDO) Recruitment Exam. Candidates who appeared for the exam can now download the BPSC MDO Answer Key PDF from the official website. This answer key is crucial for evaluating performance, calculating probable scores, and understanding the level of competition before the final results are declared.

This article provides a detailed analysis of the BPSC MDO Answer Key 2025, including the download process, marking scheme, objection submission procedure, and its significance for candidates.

Also Read: BPSC AEDO Recruitment 2025

BPSC MDO Answer Key 2025 Overview

Here is the detailed Overview of BPSC MDO ANSWER Key 2025:

Also Read: BPSC AEDO Syllabus

BPSC MDO Answer Key 2025 PDF Download

BPSC MDO Answer Key 2025 PDF is now available on the official BPSC website. Candidates can download the PDF directly and verify their responses. The provisional answer key helps aspirants compare their answers with the official solutions and estimate their marks.

Also Read: BPSC Exam Calendar 2025

How to Check BPSC MDO Answer Key 2025?

Candidates should carefully follow the steps given below to download and check the answer key:

1. Visit the official website of BPSC – bpsc.bih.nic.in
2. On the homepage, find the link titled “BPSC MDO Answer Key 2025”.
3. Click on the link to open the PDF document.
4. Download the answer key and match your responses with the official solutions.
5. Calculate your probable marks using the marking scheme.

Also Read: How to Prepare BPSC Exam

Marking Scheme for BPSC MDO Exam 2025

The BPSC MDO exam marking scheme allows candidates to estimate their score before the results:

• Correct Answer → +1 mark
• Incorrect Answer → Negative marking (if applicable; details in notification)
• Unattempted Question → 0 mark

Note: This self-evaluation helps aspirants identify their strengths and weaknesses.

Also Read: BPSC Prelims Syllabus

Raising Objections to BPSC MDO Answer Key 2025

BPSC provides candidates with an opportunity to raise objections against the provisional answer key if they find any discrepancies. Objections must be submitted online within the specified deadline, along with valid proof (such as reference books, authentic sources, or official documents).

After reviewing the objections, BPSC releases the Final Answer Key, which will be used to prepare the BPSC MDO Result 2025.

Also Read: BPSC Exam Date

Steps to Raise Objections:

These steps help to raise objections against the doubtful answers:

1. Visit the official BPSC website.
2. Click on the “Objection for Answer Key” link.
3. Log in using registration details.
4. Select the question(s) you wish to challenge.
5. Upload valid supporting documents.
6. Pay the required objection fee (if applicable).
7. Submit and save the confirmation receipt.

BPSC MDO Answer Key 2025: Importance

The release of the BPSC MDO Answer Key 2025 holds immense importance for candidates because:

• It ensures transparency in the recruitment process.
• Candidates can predict their scores before the results.
• Provides an opportunity to challenge incorrect answers.
• Helps in strategic preparation for upcoming recruitment exams.
• Acts as a learning resource for future aspirants.
  

Also Read: BPSC Age Limit

BPSC MDO Answer Key 2025 – Key Dates

Also Read: How to Prepare for UPSC and BPSC Simultaneously

How to Calculate Your Score Using BPSC MDO Answer Key 2025?

To calculate your probable score, follow these steps:

1. Download the answer key PDF.
2. Compare your marked responses with the official key.
3. Award marks for each correct answer.
4. Deduct marks for incorrect answers (if negative marking applies).
5. Total your score to get an estimate of your performance.

Note: This will give you an idea of whether you are likely to clear the BPSC MDO Cut Off 2025.

Final Answer Key vs Provisional Answer Key

• Provisional Answer Key: Released first, candidates can raise objections.
• Final Answer Key: Published after objections, used for result calculation.
• The Final Answer Key is binding, and no further challenges are entertained.

Conclusion

The release of the BPSC MDO Answer Key 2025 is a significant step in the recruitment process, allowing candidates to analyze their performance and raise objections if required. By downloading the answer key, calculating their scores, and understanding cutoff expectations, candidates can assess their chances of success in the BPSC MDO Recruitment 2025.

BPSC MDO Answer Key 2025 FAQs 

Q1. Is BPSC MDO Answer Key 2025 released?

Yes, the BPSC MDO Answer Key 2025 has been officially released on the BPSC website.

Q2. How can I download the BPSC MDO Answer Key 2025?

You can download it from the official website bpsc.bih.nic.in in PDF format.

Q3. Can I raise objections to the BPSC MDO Answer Key 2025?

Yes, candidates can raise objections within the stipulated time period announced by BPSC.

Q4. What is the benefit of checking the BPSC MDO Answer Key 2025?

It helps candidates to evaluate their performance and estimate their scores before the results.

Q5. When will the BPSC MDO Result 2025 be declared?

The result will be announced after the final answer key is published by BPSC.