BSEB 10th Answer Key 2026: Download Bihar Board Matric Answer Key PDF Subject-wise

If you appeared for the Bihar Board Matric examination this year, checking your answers against the official BSEB 10th Answer Key 2026 should be your next step. The Bihar School Examination Board releases the answer key for objective questions shortly after the examination concludes. This document helps students estimate their scores before the official results come out.

We recommend that every Class 10 student download the answer key and cross-check their responses. The BSEB Matric Answer Key 2026 covers all subjects including Hindi, English, Mathematics, Science, Social Science, and Sanskrit. You can access it through the official portal at biharboardonline.com by entering your roll number and roll code.

BSEB 10th Answer Key 2026 Highlights

Before we get into the details, here is a quick overview of everything you need to know about the Bihar Board Class 10 Answer Key. This table summarizes the essential information that students and parents typically look for when searching for answer key details.

Particulars	Details
Board Name	Bihar School Examination Board (BSEB), Patna
Examination Name	Bihar Board Matric (Class 10) Annual Examination 2026
Exam Dates	February 17 to February 25, 2026
Answer Key Type	Objective Questions (50% of total marks)
Answer Key Format	PDF / JPG (Set A to J)
Official Website	biharboardonline.com
Objection Portal	objmatric.biharboardonline.com
Mode of Objection	Online only
Objection Fee	No fee required

Bihar Board Matric Exam 2026 Date Sheet

The Bihar Board has announced the complete schedule for Class 10 examinations. Knowing these dates helps you track when to expect the answer key release. Typically, BSEB releases the official answer key within 7-10 days after the last examination date.

Students should keep their admit card safe as they will need the roll number and roll code to access the answer key. The examination is conducted in two shifts across multiple days covering all compulsory and optional subjects.

Date	Subject	Subject Code
February 17, 2026	Mathematics	110
February 18, 2026	Science	112
February 19, 2026	Social Science	111
February 20, 2026	English	113
February 21, 2026	Hindi (MIL)	101
February 22, 2026	Sanskrit / Urdu / Other Languages	105/103/Others
February 24-25, 2026	Optional Subjects	Various

Steps to Download BSEB 10th Answer Key 2026

Downloading the Bihar Board Matric Answer Key is straightforward. You will need your roll number and roll code from your admit card. The board uploads answer keys for all sets (A to J) in PDF format, so make sure you check the answer key that matches your question paper set.

Follow these steps carefully to access your answer key without any confusion. If the website is slow due to heavy traffic, we suggest trying during off-peak hours like early morning or late evening.

1. Visit the official Bihar Board website at biharboardonline.com
2. Look for the link that says “Answer Key Matric Exam 2026” on the homepage
3. Enter your roll number and roll code in the login fields
4. Click the submit button to proceed
5. Select the subject for which you want to check the answer key
6. The answer key will appear on screen showing correct options (A, B, C, or D) for each question
7. Download or take a printout for your records
8. Match your answers with the official key to estimate your marks

BSEB Matric Answer Key 2025 – Previous Year Reference

Looking at last year’s answer key release pattern helps students understand what to expect. The Bihar Board released the BSEB 10th Answer Key 2025 on March 6, 2025. The examination was conducted from February 17 to February 25, 2025, following a similar schedule to this year.

Students had the opportunity to raise objections until March 10, 2025, by 5:00 PM through the official objection portal. The board reviewed all valid objections before finalizing the answer key and declaring results. The 2025 answer key covered all subjects with separate PDFs for each set.

Year	Exam Dates	Answer Key Release Date	Objection Last Date
2025	February 17-25, 2025	March 6, 2025	March 10, 2025
2024	February 15-24, 2024	March 4, 2024	March 8, 2024
2023	February 14-22, 2023	March 2, 2023	March 6, 2023

How to Calculate Your Score Using BSEB 10th Answer Key

Once you have the answer key, calculating your expected marks becomes easy. Remember that the Bihar Board Matric exam follows a specific marking scheme where 50% marks come from objective questions and 50% from subjective questions. The answer key only helps with the objective portion.

Each subject typically has 100 objective questions out of which students need to answer 50 questions. There is no negative marking in Bihar Board exams, so you only need to count your correct answers. Multiply your correct responses by the marks allocated per question to get your objective score.

Marking Scheme for Objective Section

• Total objective questions in paper: 100
• Questions to be attempted: 50
• Each correct answer carries: 1 mark
• Maximum marks from objective: 50
• Negative marking: Not applicable

How to Raise Objections Against BSEB 10th Answer Key 2026?

If you believe any answer in the official key is incorrect, BSEB provides a window to submit your objection. This is completely free of cost and must be done through the online portal only. The board does not accept objections in offline or hard copy format.

Your objection should include proper justification. Simply disagreeing without providing a valid reason will not be considered. We advise students to cross-verify their objection with their textbook or reference material before submitting.

1. Go to objmatric.biharboardonline.com
2. Click on “Register Objection Regarding Answer Key Matric Exam 2026”
3. Login using your roll number and roll code
4. Select the subject and subject code
5. Choose the question number you want to challenge
6. Select what you believe is the correct answer (A, B, C, or D)
7. Write your justification in the provided text box
8. Submit the objection before the deadline

Previous Year Questions from BSEB 10th Exams with Answers

Understanding the type of questions asked in Bihar Board exams helps with better preparation. We have compiled some actual questions from previous year papers along with their correct answers. These questions appeared in different subjects and represent the typical difficulty level you can expect.

Practicing these questions and understanding the answer pattern will help you match your responses more accurately when the 2026 answer key is released.

Science Questions from Previous Years

Q1. What is the SI unit of electric current? (2024)

Answer: (B) Ampere

The SI unit of electric current is Ampere, named after French physicist Andre-Marie Ampere. One ampere represents one coulomb of charge passing through a point in one second.

Q2. Which gas is released during photosynthesis? (2024)

Answer: (A) Oxygen

During photosynthesis, plants absorb carbon dioxide and water in the presence of sunlight to produce glucose and release oxygen as a byproduct.

Q3. The chemical formula of baking soda is: (2023)

Answer: (C) NaHCO₃

Baking soda or sodium bicarbonate has the chemical formula NaHCO₃. It is commonly used in cooking and as an antacid.

Mathematics Questions from Previous Years

Q4. If tan θ = 3/4, then sin θ is equal to: (2024)

Answer: (B) 3/5

Using the identity tan θ = opposite/adjacent = 3/4, and applying Pythagoras theorem, hypotenuse = 5. Therefore, sin θ = opposite/hypotenuse = 3/5.

Q5. The sum of first 10 natural numbers is: (2023)

Answer: (D) 55

Using the formula n(n+1)/2 where n=10, we get 10×11/2 = 55.

Q6. If x + y = 5 and xy = 6, then x² + y² equals: (2024)

Answer: (A) 13

Using (x+y)² = x² + y² + 2xy, we get 25 = x² + y² + 12, therefore x² + y² = 13.

Social Science Questions from Previous Years

Q7. When was the Indian National Congress founded? (2024)

Answer: (C) 1885

The Indian National Congress was founded on December 28, 1885, in Bombay. A.O. Hume is credited with its establishment.

Q8. Which soil is most suitable for cotton cultivation? (2023)

Answer: (B) Black soil

Black soil, also known as regur soil, has high moisture retention capacity making it ideal for cotton cultivation. It is found in the Deccan Plateau region.

English Questions from Previous Years

Q9. Choose the correct passive voice: “She writes a letter.” (2024)

Answer: (A) A letter is written by her.

In passive voice, the object becomes the subject. “A letter” (object) becomes the subject, and “she” becomes “by her” at the end.

Q10. The synonym of “generous” is: (2023)

Answer: (D) Liberal

Generous means showing readiness to give more than necessary. Liberal is its closest synonym meaning willing to give freely.

Subject-wise BSEB 10th Answer Key Links

The Bihar Board releases separate answer keys for each subject. Once available, you can download them directly from the official website. Each PDF contains answers for all sets (A through J), so make sure you identify your set correctly from your OMR sheet.

Subject	Subject Code	Status for 2026
Hindi (Mother Tongue)	101	To be released
Urdu (Mother Tongue)	103	To be released
Sanskrit (Second Language)	105	To be released
Mathematics	110	To be released
Social Science	111	To be released
Science	112	To be released
English	113	To be released

What After Checking BSEB 10th Answer Key?

After matching your answers with the official key, you will have a rough idea of your performance in the objective section. Keep in mind that your final result will also depend on the subjective portion which carries 50% weightage.

If you scored well in objectives, maintain focus on your preparation for future studies. If the score is lower than expected, analyze which topics need more attention. Bihar Board results typically come out within 4-6 weeks after the examination concludes. You can check results at biharboardonline.bihar.gov.in or results.biharboardonline.com.

Frequently Asked Questions on BSEB Matric Answer Key 2026

When will Bihar Board release the 10th Answer Key 2026?

Based on previous trends, BSEB is expected to release the Matric Answer Key 2026 within 7-10 days after the last examination date. If exams end on February 25, 2026, expect the answer key around the first week of March 2026.

Is there any fee for raising objection against BSEB 10th Answer Key?

No, Bihar Board does not charge any fee for submitting objections against the answer key. Students can raise objections free of cost through the online portal only.

Can I get BSEB 10th Answer Key 2026 in hard copy?

The Bihar Board only provides the answer key in digital format (PDF/JPG). You can download it from the official website and take a printout if you need a hard copy.

What details are needed to download Bihar Board Matric Answer Key?

You need your roll number and roll code from your admit card to access the answer key on biharboardonline.com.

Will the answer key show my individual responses?

No, the answer key only shows correct answers for each question. It does not display your individual responses. You need to manually match your answers from your memory or rough sheet.

How accurate is the BSEB 10th preliminary answer key?

The preliminary answer key is prepared by subject experts and is generally accurate. However, if valid objections are received, the board may revise certain answers in the final key.

What is the helpline number for BSEB related queries?

Students can contact Bihar Board at 0612-2232074 or 0612-2232257 for any queries related to examinations, answer keys, or results.

The BSEB 10th Answer Key 2026 serves as an important tool for students to assess their performance before official results. We encourage all Matric students to download the answer key, verify their responses carefully, and submit objections within the deadline if they find any discrepancy. Stay connected with the official Bihar Board website for the latest updates on answer key release and result declaration.