Bihar Board Class 8 Science Solutions 2025

Subject	Science (विज्ञान)
Class	8th
Year	2025-26
Board	Bihar Board

Hello students! Do you need help with the class 8 Science Bihar board? If yes, then you have made the right decision to come here. On this page, we have presented you with the complete set of Bihar Board Class 8 Science Solutions. This guide is prepared by the subject experts and follows a structured approach to answer any question.

From the academic year of 2025-26, Bihar Board has decided to change all the textbooks of classes 6 to 8. On this page, you will get the updated Bihar Board Class 8 Science Solutions for the new book, which follows the new syllabus. At the bottom, we have also included the solutions of the old book, in case you need them.

Bihar Board Class 8 Science New Book Solutions

Science is one of the most fascinating subjects to study and explore. In Bihar board, it is a core subject and you must have a solid understanding of the concepts covered in the textbook. There are a total of 13 chapters in the new BSEB class 8 Science book. And many students find solving all the chapters and understanding all the concepts a little difficult. If you also face the same, then Bihar Board class 8 Science solution is the right guide for you.

Here are the chapter-wise solutions for the New Science (Vigyan) Book of Bihar Board Class 8:

Science (Vigyan) Solutions
1. फसल उत्पादन एवं प्रबंध (New Book)
2. सूक्ष्मजीव: मित्र एवं शत्रु (New Book)
3. कोयला और पेट्रोलियम (New Book)
4. दहन और ज्वाला (New Book)
5. पौधे एवं जंतुओं का संरक्षण (New Book)
6. जंतुओं में जनन (New Book)
7. किशोरावस्था की ओर (New Book)
8. बल तथा दाब (New Book)
9. घर्षण (New Book)
10. ध्वनि (New Book)
11. विद्युत धारा के रासायनिक प्रभाव (New Book)
12. कुछ प्राकृतिक परिघटनाएँ (New Book)
13. प्रकाश (New Book)

Old Book Solutions

The old book of Bihar Board Class 8 Science was Vigyan Bhag 3. This book has been discontinued from the academic year 2025-26. If you are still studying with this book then there is nothing bad about it. This will also help you to build a stronger foundation of the subject for you. In order to help you more, we also present you with the old book solutions for free.

Here are chapter-wise Bihar Board Class 8 Science Old Book Solutions in Hindi:

• Chapter 1 Solutions – दहन और ज्वाला : चीजों का जलना
• Chapter 2 Solutions – तड़ित ओर भूकम्प : प्रकुति के दो भयानक रूप
• Chapter 3 Solutions – फसल : उत्पादन एवं प्रबंधन
• Chapter 4 Solutions – कपड़े तरह-तरह के : रेशे तरह-तरह के
• Chapter 5 Solutions – बल से ज़ोर आजमाइश
• Chapter 6 Solutions – घर्षण के कारण
• Chapter 7 Solutions – सूक्ष्मजीवों का संसार : सूक्ष्मदर्शी द्वारा आँखों देखा
• Chapter 8 Solutions – दाब और बल का आपसी सम्बन्ध
• Chapter 9 Solutions – इंधन : हमारी जरुरत
• Chapter 10 Solutions – विद्युत धारा के रासायनिक प्रभाव
• Chapter 11 Solutions – प्रकाश का खेल
• Chapter 12 Solutions – पौधों और जन्तुओं का संरक्षण : जैव विविधता
• Chapter 13 Solutions – तारे और सूर्य का परिवार
• Chapter 14 Solutions – कोशिकाएँ : हर जीव की आधारभूत संरचना
• Chapter 15 Solutions – जन्तुओं में प्रजनन
• Chapter 16 Solutions – धातु एवं अधातु
• Chapter 17 Solutions – किशोरावस्था की ओर
• Chapter 18 Solutions – ध्वनियाँ तरह-तरह की
• Chapter 19 Solutions – वायु एवं जल-प्रदूषण की समस्या