The Bihar Board released the BSEB 10th Answer Key 2025 on March 6, 2025. Along with releasing the answer key, the board also announces the date to raise objections against it. Students who are not satisfied with the answer key can raise objections against it.
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The Bihar School Examination Board (BSEB) released the provisional Bihar Board 10th Answer Key 2025. The Bihar Board 10th Answer Key 2025 is available for download in PDF format. The objections for the answers can be submitted by
March 10, 2025 at 5:00 p.m
. To raise objections, students can visit the official website of the board at https://biharboardonline.com. There will be a link - "Register objection regarding Answer Key Matric Exam 2025", click on it and submit the objections related to answers. After the deadline, no objection raised by students will be entertained by the board. The students must note that the board released the BSEB Matric Answer Key only for the 50 per cent objective questions. They can check the answer key and get an estimate of their marks. Calculating result using the answer key is simple. Students can add marks for all the correct answers. The Bihar board is likely to release the
Bihar Board 10th Result 2025
in the first week of April 2025. For more details about the Bihar Board Class 10 Answer Key 2025, continue reading.
Also Read:
BSEB 10th Grading System 2025
Bihar Board Class 10 Answer Key 2025 Highlights
All students must keep a check on the significant dates and events. The following table contains the key highlights of Bihar board 10th 2025 answer key:| Particulars | Details |
| Name of Examination | Bihar Board 10th Exam 2025 |
| Exam dates | February 17 to February 25, 2025 |
| Answer key release date | March 2025 |
| Date to raise objections | March 10, 2025 (5:00 pm) |
| Result dates | First week of April 2025 (tentative) |
| Official Website | biharboardonline.com |
Bihar Board 10th Answer Key 2025
The Bihar School Examination Board (BSEB) released the official BSEB Matric Answer Key 2025 on its website: biharboardonline.bihar.gov.in. Students can download the answer key to calculate 50% of their marks for the BSEB 10th Board Exams 2025. By comparing their responses from the exams with the answers provided in the BSEB 10th Answer Key 2025, students can estimate their probable scores. Students can file objections by visiting the official website and navigating to the “Register Objection Regarding Answer Key Matric Exam 2025” option or by accessing the "Grievance for Secondary Exams 2025" section in the Grievance menu on biharboardonline.com. After the objection window closes, no further requests for changes to the answer key will be accepted. Students practicing previous years' question papers for revision can also download the respective answer keys to cross-check their answers. This helps assess their preparation level and readiness for the board exams.
Bihar Board 10th Answer Key 2025 PDF
| Subject Name | Answer Key (Soon) |
| Science- 112 | Download Here |
| Social Science- 111 | Download Here |
| English (General)- 113 | Download Here |
| Hindi | Download Here |
| Second Indian Language | Download Here |
| Home Science (Optional) | Download Here |
| Fine Arts (Optional) | Download Here |
How to Raise Objections Against BSEB 10th Answer Key 2025?
If students are not satisfied with the BSEB Matric Exam 2025 Answer Key released by the Board, they have the option to raise objections. To do so, they must visit the official website and follow the designated links for submitting objections. Below are the steps to raise objections against the BSEB 10th Answer Key 2025:- Visit the Official Website: Go to the BSEB's official website.
- Navigate to the Latest Updates Section: On the home page, click on the latest updates section and locate the link for the BSEB 10th Answer Key 2025.
- Access the Grievance Portal Click on the link: biharboardonline.com/Grievance/Objection/ExamSearch.
- Enter Required Details : Fill in details such as the examination type, roll code, roll number, and date of birth to proceed.
- View the Answer Key : On the next page, the BSEB Class 10 Answer Key 2025 for the specific questions will be displayed.
- Select the Subject and Set Number: Choose the relevant subject and the set number of the answer key for which you wish to raise an objection.
- Specify the Issue : Select the question number, specify the issue type, and submit your objections.
- Save and Print: Click on the "Save" button to finalize your submission, and take a printout for future reference.
Steps to Download Bihar Board Class 10th Answer Key 2025
Students appearing for the Bihar Board Class 10th Exams 2025 can download the official answer key by visiting the Bihar School Examination Board (BSEB) website and following these steps:- Visit the Official Website: Go to the official website of the Bihar School Examination Board (BSEB) at www.biharboardonline.bihar.gov.in .
- Find the Answer Key Link: Click on the tab labeled “Click here to download the BSEB Class 10th Answer Key 2025.”
- Enter Required Details: A new page will appear where you need to input essential information, such as your roll number, roll code, and date of birth, as mentioned on your BSEB Class 10 admit card.
- View the Answer Key: The Bihar Board Class 10th Answer Key 2025 will be displayed on the screen.
- Download and Print: Download the answer key and take a printout for reference.
How to Calculate Marks using the Bihar Board 10th Answer Key 2025?
Below are the steps students must follow to calculate the marks using the Bihar board 10th 2025 answer key.
- Step 1: Candidates must compare their answers with the Bihar board class 10 answer key 2025.
- Step 2: For each correct answer, they must count +1.
- Step 3: Add the correct answers to get the expected scores.
- Step 4: Count 0 for each incorrect answer, as there is no negative marking.
Bihar Board Class 10 Answer Key 2024
Bihar board 10th answer keys 2024 for various subjects are available on the table mentioned below. Students can download the answer keys to understand the answer key and they can also use it while preparing for the upcoming board.Bihar Board Class 10 English Answer Key 2024
The Bihar Board Class 10 English Question Paper 2024 follows a specific exam pattern designed to assess students' comprehension, grammar, and writing skills. The answer key is available in ten different sets, labeled from A to J. While all sets adhere to the same overall pattern, the questions vary across the sets. The Bihar Board Class 10 English exam 2024 is conducted for a total of 100 marks.| Question | Options | Answer |
|---|---|---|
| The girlfriend was ready to marry the narrator even if he did not become an ………. officer. | (A) I.A.S. (B) I.P.S. (C) I.R.S. (D) I.F.S. | (A) I.A.S. |
| Halku invented a/an ………. when Munni blamed him for the destruction of crops. | (A) machine (B) idea (C) excuse (D) habit | (C) excuse |
| The lawyer played the piano in his ………. year of imprisonment. | (A) fifth (B) first (C) sixth (D) second | (D) second |
| Sun and Moon were allowed to meet the guests in the ………. | (A) garden (B) drawing room (C) dining room (D) playground | (C) dining room |
| The daughter did not wish to ………. anymore. | (A) dream (B) eat (C) sleep (D) work | (A) dream |
| “Your books gave me wisdom” – is from. | (A) The Bet (B) January Night (C) Quality (D) Allergy | (A) The Bet |
| Anti-histamines provide ………. relief. | (A) overall (B) temporary (C) sudden (D) specific | (B) temporary |
| ‘It was only our existence inside me that made me laugh on’, is from : | (A) Quality (B) Sun and Moon (C) The Bet (D) Two Horizons | (D) Two Horizons |
| ‘The shop had a certain quiet distinction.’ is from : | (A) Sun and Moon (B) January Night (C) Quality (D) Love Defiled | (C) Quality |
| Giridhar Jha is an alumnus of ………. University. | (A) Rajasthan (B) Patna (C) Magadh (D) Jaipur | (B) Patna |
| The Wish-yielding Tree gave one ………. pitcher apart from the seven pitchers. | (A) full-filled (B) half-filled (C) quarter-filled (D) empty | (D) empty |
| The polythene bag is bad for the ………. | (A) body (B) doors and windows (C) environment (D) mental health | (C) environment |
| The porter’s wife is desperate to feed her ………. | (A) son (B) porter (C) herself (D) her parents | (A) son |
| Radha is ‘hurt and ………. ‘. | (A) correct (B) wrong (C) confused (D) irrelevant | (C) confused |
Bihar Board Class 10 Math Answer Key 2024
BSEB 10th Math Question Paper Consists of 100 objective-type questions, from which only 50 questions are to be answered. Each question in this section is of one mark.| Question | Options | Answer |
|---|---|---|
| Q1. Which of the following is a root of x 2 −3x+2=0 | (A) 0 (B) –1 (C) –2 (D) 2 | (D) 2 |
| Q2. What is the power of 3 in the prime factorization of 2052? | (A) 2 (B) 3 (C) 4 (D) 5 | (C) 4 |
| Q3. Which of the following is in an A.P.? | (A) 2, 5, 7, … (B) 22, 32, 72, … (C) x,x2,x3x, … (D) 1, 3, 5, … | (D) 1, 3, 5, … |
| Q4. If one root of the equation 2x^2 + px - 3 = 0 is -3, then the value of p is | (A) 3 (B) 4 (C) 5 (D) 6 | (C) 5 |
| Q6. The discriminant of 5x 2 −4x+2=0 is | (A) 24 (B) –24 (C) 26 (D) –28 | (B) –24 |
| Q7. If α\alphaα and β\betaβ are the zeros of the polynomial ax2−bx+cax^2 - bx + cax2−bx+c, then α⋅β\alpha \cdot \betaα⋅β is | (A) a/c (B) −a/c (C) c/a (D) −c/a | (C) c/a |
| Q8. The sum of the zeros of the polynomial x(2x−5)−3 is | (A) 2/5 (B) −5/2 (C) −3/2 (D) 5/2 | (D) 5/2 |
| Q9. What will be the nature of roots of 2x 2 −4x+3 =0? | (A) not real (B) real and equal (C) real and unequal (D) none of these | (A) not real |
| Q10. (1 + cot2θ)(1 – cos2θ)= | (A) sin2θ\sin^2\thetasin2θ (B) tan2θ\tan^2\thetatan2θ (C) cos2θ\cos^2\thetacos2θ (D) 1 | (A) sin2θ\sin^2\thetasin2θ |
Bihar Board Class 10 Science Answer Key 2024
Below we have discussed a few questions that were asked in the Bihar Board Class 10th Science Set A Question Paper:| Question | Options | Answer |
|---|---|---|
| Q1. Which of the following lenses is used to remove short-sightedness? | (A) Cylindrical (B) Convex (C) Concave (D) Bifocal | (C) Concave |
| Q2. Most of the refraction of the light rays entering the eye occurs at | (A) Interface of eye lens (B) Interface of aqueous humour (C) Outer surface of cornea (D) None of these | (C) Outer surface of cornea |
| Q3. Which of the following is the unit of power of lens? | (A) dioptre (B) watt (C) erg (D) joule | (A) dioptre |
| Q4. What type of lens is found in human eye? | (A) Convex (B) Bifocal (C) Concave (D) Cylindrical | (A) Convex |
| Q5. Which mirror is used as shaving mirror? | (A) Concave Mirror (B) Convex Mirror (C) Plane Mirror (D) None of These | (A) Concave Mirror |
| Q6. If the image of an object formed by a concave mirror is virtual, erect and larger than the object, then where should be the location of the object? | (A) Beyond the centre of curvature (B) Between principal focus and centre of curvature (C) At the centre of curvature (D) Between the pole and the principal focus of the mirror | (D) Between the pole and the principal focus of the mirror |
| Q7. The capacity to bend rays of light is called | (A) the power of lens (B) the reciprocal of the power of the lens (C) the power of accommodation of the lens (D) none of these | (C) the power of accommodation of the lens |
| Q8. The image obtained by a concave lens is | (A) diminished (B) erect (C) virtual (D) all of these | (D) all of these |
| Q9. The radius of curvature of a concave mirror of focal length 20 cm is | (A) 15 cm (B) 10 cm (C) 40 cm (D) 60 cm | (C) 40 cm |
| Q10. A white ray is incident obliquely on a glass slab. Which of the following occurs with the first refraction? | (A) Deviation (B) Total reflection (C) Dispersion (D) All of these | (A) Deviation |
| Q11. In domestic electric circuits, the color of neutral wire is | (A) Red (B) Green (C) Black (D) Yellow | (C) Black |
| Q12. In which device does the split ring act as a commutator? | (A) Electric motor (B) Galvanometer (C) Voltmeter (D) Electric generator | (D) Electric generator |
| Q13. The device which directly converts solar energy into electricity is | (A) Daniel’s cell (B) Dry Cell (C) Solar cell (D) Eveready cell | (C) Solar cell |
| Q14. The resistance of the filament of an electric bulb is 1200 ohms. How much electric current will the bulb draw from an electric source of 220 volts? | (A) 12 ampere (B) 2.8 ampere (C) 2 ampere (D) 0.18 ampere | (D) 0.18 ampere |
| Q15. The electromotive force of a cell is 1.5 V. The work done on passing a charge of 1 C will be | (A) 1.5 V (B) 3 J (C) 1.5 J (D) 0 | (C) 1.5 J |
| Q16. Why is a rainbow colorful? | (A) Dispersion of white light by water droplets (B) Absorption of water droplets (C) Dispersion of white light by air (D) None of these | (A) Dispersion of white light by water droplets |
| Q17. Out of a combination of resistors, one resistor is removed and it is found that the net resistance has increased. The resistor was connected in | (A) parallel (B) series (C) cannot be said (D) none of these | (A) Parallel |
| Q18. Two appliances rated as (60 W, 200 V) and (40 W, 200 V) are connected across 100 V supply in a room. The total power consumed is | (A) 25 W (B) 10 W (C) 15 W (D) none of these | (D) none of these |
| Q28. The general formula of an alkene is |
(A) CnH2n+2
(B) CnH2n-2 (C) CnH2n (D) CnH2n-1 | (C) CnH2n |
| Q31. Which of the following is the chemical formula of glucose? |
(A) C₂H₂OH
(B) CHO (C) C6H12O6 (D) C6H6 | (C) C6H12O6 |
Students will be able to download the Bihar Board Class 10 Answer Key 2025 after the completion of the board exams. This will allow them to compare their answers with the correct ones and calculate their scores based on the marking scheme.
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