Bihar Board 12th Biology Syllabus with Marks Distribution
Class 12th students get detailed information about the latest Bihar Board 12th Biology Syllabus 2020. Before going into the details of Inter Biology Syllabus we are providing each chapter and associated weightage of each chapter.
| Unit Name | इकाई का नाम | Weightage |
| Unit 1: Sexual Reproduction | इकाई 1: लैंगिक जनन | 06 |
| Unit 2: Genetics and evolution | इकाई 2: आनुवंशिकी तथा विकास | 18 |
| Unit 3: Biology & human welfare | इकाई 3: जीव विज्ञान एवं मानव कल्याण | 18 |
| Unit 4: Biotechnology and its applications | इकाई 4: जैव प्रद्योगिकी एवं इसका उपयोग | 18 |
| Unit 5: Ecology and environment | इकाई 5: परिस्थितिकी तथा पर्यावरण | 10 |
| Total | योग अंक | 70 |
Bihar Board Class 12 Biology Syllabus
Students can find the detailed Biology Syllabus for Bihar Board Class 12th. We suggest students take the help of NCERT books also for better planning.
Unit 1: Sexual Reproduction
- Human Reproduction: Reproductive system in male and females, menstrual cycle, production of gametes. Fertilization, implantation, embryo development, pregnancy, and parturition.
- Pollination and fertilization in flowering plants.
- Development of seed and fruit
- Reproductive health-birth control, contraception and sexually transmitted diseases.
Unit 2: Genetics and evolution
- Mendelian Inheritance
- Sex determination in human beings: XX, XY
- Chromosome theory of inheritance, Deviations from Mendelism ratio (Incomplete dominance, Codominance, Multiple alleles).
- Linkage and crossing over
- The inheritance pattern of haemophilia and blood groups in human beings.
- Gene expression and regulation
- DNA, replication, transcription, translation
- Genome and Human Genome Project
- DNA Fingerprinting
- Evolution: Theories and evidence.
Unit 3: Biology & human welfare
- Animal Husbandry
- Basic concepts of immunology, vaccines
- Microbes in household food processing, industrial production, sewage treatment, and energy generation
- Pathogens, parasites
- Plant breeding, tissue culture, food production
- Cancer and AIDS
- Adolescence and drug alcohol abuse
Unit 4: Biotechnology and its applications
- Recombinant DNA technology
- Applications in Health, Agriculture, and Industry
- Insulin and Bt.cotton
- Genetically modified (GM) organisms, Biosafety issues
Unit 5: Ecology and environment
- Organisms and Populations
- Ecosystem
- Biodiversity and its Conservation
- Environmental Issues
इकाई 1. जनन (Reproduction)
- जीवों में जनन
- पुष्पी पादपों में लैंगिक जनन
- मानव जनन
- जनन स्वास्थ्य
इकाई 2. आनुवंशिकी और विकास (Genetics & Evolution)
- वंशागति तथा विविधता के सिद्धांत
- वंशागति के आणविक आधार
- विकास
इकाई 3. जैव प्रौद्योगिकी एवं इसके उपयोग (Biotechnology & its Applications)
- जैव प्रौद्योगिकी-सिद्धांत व प्रक्रम
- जैव प्रौद्योगिकी एवं उसके उपयोग
इकाई 4. मानव कल्याण में जीवविज्ञान (Applied Bio & Human Welfare)
- मानव स्वास्थ्य तथा रोग
- खाद्य उत्पादन में वृद्धि की कार्यनीति
- मानव कल्याण में सूक्ष्म जीव
इकाई 5. मनुष्य और विकास (Man & Development)
- जीव और समष्टियाँ
- पारितंत्र
- जीव विविधतता एवं संरक्षण
- पर्यावरण के मुद्दे
Blueprint of Bihar Board Inter Biology Question Paper 2020
| Types of Questions | Total No. of Questions | No. of Questions to Attempt | Allotted Marks |
| Objective Type Questions | 35 | 35*1 | 35 |
| Short Type Questions | 15 | 10*2 | 20 |
| Long Type Questions | 3 | 3*5 | 15 |
| 70 Marks |
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