Bihar School Examination Board (BSEB) Class 12 Biology syllabus
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Free, official past papers for Bihar School Examination Board (BSEB).
View previous year papersImportant topics
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- Molecular Basis of Inheritance (RNA structure, transcription, genetic code)(Molecular Basis of Inheritance)
Recurring emphasis across both the short- and long-answer sections of BSEB's official 2026 Class 12 Biology Model Question Paper, RNA/transcription-unit/genetic-code content specifically appears as a long-answer question.
- Human Health and Disease (immunity, Plasmodium/malaria, interferons)(Human Health and Disease)
A long-answer question topic in the official 2026 Model Paper, alongside multiple related objective questions.
- Biotechnology (PCR, plasmids, Bt Cotton, gene therapy)
Gets outsized attention in the official 2026 Model Paper, 4 of 20 short-answer questions plus a long-answer question, more than any other topic area.