How Can I get official Bihar Board Class 10 Science Answer Key 2026?

The official Bihar Board Class 10 Science Answer Key 2026 will be announced in March 2026.

Can I download Bihar Board Class 10 Science Answer Key 2026 for shift 2?

Yes, get the correct BSEB Matric Science Answer Keys for both shifts in this article.

Bihar Board Class 10 Science Answer Key 2026 Out

Bihar Board Class 10 Science Answer Key 2026: BSEB will release the official matric final Science answer key for Class 10th after reviewing student complaints in March / April 2026. However, students can immediately check the unofficial BSEB 10th Science answer keys for shift 1 and shift 2 by subject matter experts to know their probable scores.

Students can download the Bihar Board 10th Class Science answer key 2026 PDFs, including the final key release date, download website, and download instructions from this article.

Bihar Board Class 10 Science Answer Key 2026

The Bihar Board Class 10 Science Answer Key 2026 allows students to calculate their expected scores as well as evaluate their performance. The table below lists important dates and forthcoming events for the Bihar Board 10th Science Answer Key 2026.

Particulars	Details
Board Name	Bihar School Examination Board (BSEB)
Class	Class 10 (Matric)
Subject	Science
Shift & Timing	First Shift (9:30 AM – 12:45 PM) Second Shift (2 PM to 5.15 PM)
Exam Duration	3 Hours 15 Minutes
Maximum Marks	100
Exam Mode	Offline (Pen and Paper)
Bihar Board Class 10 Science exam date 2026	February 21, 2026
Unofficial Science answer key	February 21, 2026 (after the exam)
Official Bihar Board 10th Science answer key 2026	March 2026
Answer key Objection dates	March 2026
Final BSEB 10th Science answer key	March / April 2026
BSEB Class 10 Science Answer Key 2026 Website

Bihar Board Class 10 Science Answer Key 2026 – Shift 1

The Bihar board will provide the BSEB Class 10th Science answer key 2026 PDF for each shift. The Bihar Board 10th Science test takes place in two shifts. The first shift runs from 9 AM to 12.45 PM. We have provided questions with answer codes for the first shift here:

Bihar Board 10th Science Answer Key 2026 Shift 2 (1st Sitting / SET C)
1-D	21-C	41-B	61-B
2-B	22-B	42-C	62-B
3-C	23-A	43-C	63-B
4-A	24-D	44-A	64-A
5-A	25-A	45-A	65-B
6-C	26-A	46-A	66-B
7-A	27-B	47-A	67-D
8-C	28-C	48-D	68-B
9-B	29-A	49-C	69-D
10-D	30-B	50-B	70-B
11-D	31-A	51-B	71-C
12-A	32-A	52-B	72-C
13-A	33-A	53-C	73-D
14-A	34-D	54-C	74-B
15-C	35-D	55-C	75-B
16-C	36-D	56-A	76-B
17-D	37-C	57-C	77-B
18-D	38-D	58-D	78-C
19-C	39-D	59-A	79-D
20-D	40-B	60-B	80-C

BSEB Class 10 Science Answer Key 2026- Shift 2

The teachers make the BSEB Class 10th Science Answer Key 2026 available on a variety of sites. We provide the Bihar Board Class 10 Science Answer Keys for the 2nd shift for students here to verify accurate answers.

Bihar Board 10th Science Answer Key 2026 Shift 2 (2nd Sitting / SET C)
1-B	21-C	41-C	61-D	81-
2-C	22-A	42-A	62-B	82-
3-A	23-D	43-A	63-B	83-
4-A	24-A	44-B	64-B	84-
5-B	25-C	45-C	65-B	85-
6-B	26-A	46-A	66-D	86-
7-B	27-D	47-B	67-A	87-
8-B	28-A	48-D	68-A	88-
9-B	29-A	49-A	69-D	89-
10-A	30-C	50-C	70-D	90-
11-A	31-D	51-B	71-C	91-
12-C	32-D	52-B	72-C	92-
13-B	33-B	53-C	73-A	93-
14-C	34-B	54-C	74-B	94-
15-C	35-C	55-C	75-A	95-
16-C	36-B	56-D	76-A	96-
17-D	37-B	57-B	77-C	97-
18-C	38-A	58-B	78-B	98-
19-B	39-C	59-C	79-A	99-
20-C	40-C	60-B	80-D	100-

Download Bihar Board 10th Science Answer Key 2026 PDF

The annual matriculation examination for the Science subject by the Bihar Board was conducted on 21 February 2026. A total of more than 15 lakh students participated. The BSEB annual matriculation examination is being conducted at 1699 examination centres, in two shifts. We will soon update the answer key for all shifts in PDF format in the table below.

BSEB Class 10th Science Answer Key 2026
Shift 1	Download Bihar Board Class 10 Science Answer Key 2026 for 1st Sitting
Shift 2	Download Bihar Board Class 10 Science Answer Key 2026 for 2nd Sitting

BSEB Matric Science Paper Pattern 2026

Students can calculate their expected science score with the Bihar Board Class 10 Science Answer Key 2026. They need to understand the paper pattern and marking scheme below.

Type of Questions	Section	Total Questions	Questions to be Attempted	Marks	Total Marks
Objective (MCQs)	Section-A	80	40	1 Mark	40
Short Answer Type	Section-B	24 (8 Physics, 8 Chem, 8 Bio)	12 (4 from each)	2 Marks	24
Long Answer Type	Section-B	6 (2 Physics, 2 Chem, 2 Bio)	3 (1 from each)	5 or 6	16
	Total	110	55		80

How to Calculate Bihar Board Science Matric Scores using the Answer Key?

Follow the procedures below to calculate the predicted score using the Bihar Board Class 10 Science Answer Key 2026.

Separate correct answers by section.
Add the appropriate marks for each question to the correct answers (+1).
If there are no negative marks for incorrect responses or unattempted questions, add zero.
The final score is now calculated by adding the correct answers together.