Complete study material, previous year questions (PYQs) with bilingual solutions, model papers, and objective tests for Bihar Board 12th.
Click to view chapter & year-wise breakdown
High-probability guess questions for 2026 board exam
Chapter-wise Notes, Quiz & PYQ Practice Dashboard
Interactive notes and printable summaries for all chapters
Official pattern of the Bihar Board Class 12 Biology examination paper.
"Scoring 95+ in Board Biology is not just about rote learning; it's about drawing clean labeled diagrams, understanding genetic inheritance ratios, and structure-function relationships in biotechnology."
Official chapters prescribed for the Bihar Board 12th Biology curriculum.
जीवों में जनन — Asexual/sexual reproduction, vegetative propagation.
पुष्पी पादपों में लैंगिक प्रजनन — Pollination, fertilization, seed development.
मानव जनन — Male/female systems, gametogenesis, pregnancy.
जनन स्वास्थ्य — Birth control, STD prevention, IVF/ART methods.
वंशागति तथा विविधता के सिद्धांत — Mendelian genetics, linkage, sex determination.
वंशागति के आणविक आधार — DNA replication, transcription, genetic code.
विकास — Homology, analogy, natural selection, human evolution.
मानव स्वास्थ्य तथा रोग — Pathogens, immunity, cancer, AIDS, drug abuse.
खाद्य उत्पादन में वृद्धि की कार्यनीति — Plant breeding, tissue culture, SCP.
मानव कल्याण में सूक्ष्मजीव — Sewage treatment, biogas, household use.
जैव प्रौद्योगिकी: सिद्धांत एवं प्रक्रम — Restriction enzymes, PCR, cloning vectors.
जैव प्रौद्योगिकी एवं उसके उपयोग — BT crops, gene therapy, insulin synthesis.
जीव और समष्टियाँ — Adaptations, population attributes, interactions.
पारितंत्र — Energy flow, productivity, nutrient cycles.
जैव-विविधता एवं संरक्षण — Hotspots, extinction causes, in-situ/ex-situ.
पर्यावरण के मुद्दे — Pollution control, global warming, ozone depletion.
Rules and recommendations for the offline OMR & subjective examination.