Bihar Board 10th Science Answer Key 2026 - Download PDF (21 Feb)

Download Official BSEB Matric 10th Science Answer Key 2026

The BSEB published the official Matric Science answer key on March 7, 2026. The Bihar Board 10th Science exam was conducted in two shifts. One from 9 AM to 12.45 PM and the second shift from 2 PM to 5.15 PM. The board has released the set-wise BSEB Class 10th Science answer key 2026 PDF for each shift. We have shared the direct PDF download link for students to check the official Science answer key.

How to Download the Bihar Board 10th Science Answer Key 2026?

Students can follow the steps mentioned below to download the BSEB 10th Science answer key 2026.

• Visit the official website at biharboardonline.com.
• On the homepage, click on the link which reads ‘Bihar Board Secondary Answer Key 2026’.
• Open the link, select the shift and set.
• Check all the answers available in the PDF.
• Make sure to download and save the PDF for future reference.

Sample Image of the Official BSEB Matric Science Answer Key 2026

Raise Objection Against BSEB 10th Science Answer Key 2026

The Bihar Board has opened the objection window for students to raise objections and submit their challenges against the official BSEB 10th Science answer key. Students can follow the steps mentioned below to object to the provisional answer key if they find any mistakes or discrepancies.

• Visit the official website at biharboardonline.com or objmatric.biharboardonline.com.
• Click on the objection link, which reads ‘Register objection regarding answer key matric exam 2026’.
• Enter the questions and answers for correction.
• Provide valid proof to support the correct answer.
• Submit the objection before the deadline.

Sample Image of the Bihar Board 10th Answer Key Objection Window

BSEB Class 10 Science Answer Key 2026 Dates

Important dates related to the Bihar Board 10th Science answer key 2026 and upcoming events are listed in the table below.

Unofficial Bihar Board 10th Science Answer Key 2026 Download Link

The Bihar Board Class 10th Science solutions 2026 are made available on various platforms by the coaching institutes. We have shared the direct links here for the students to download the answer key and check the answers.

How to Calculate Marks with BSEB 10th Science Answer Key 2026?

Students can calculate their expected score with the BSEB Class 10 Science answer key 2026. They need to understand the marking scheme mentioned below.

Now, follow the steps mentioned below to calculate the expected score.

• Separate the correct answers section-wise.
• Add the marks per question, as mentioned above, to all the correct answers
• Since there are no negative marks for wrong answers or unattempted questions, add zero marks.
• Now, the total sum of the correct answers is the total score.