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RBSE Class 12 Biology Syllabus 2025-26
is set by the Rajasthan board. The students can visit the official website of the board and check the chapters mentioned in the RBSE Biology syllabus. The syllabus can be divided into small parts and the students can aim at completing them at regular intervals. They can decide a time limit for each chapter and try to cover them up in the decided time. This will provide sufficient time for revision of the entire syllabus. The students can also solve the questions from different question papers and check the preparation level. Accordingly, they can focus on the weaker areas and go through the required chapters again. Continue reading the article for more information about the RBSE Class 12 Biology Syllabus 2026.
Also Check -
RBSE Class 12 Practical Exam Date Sheet 2026
RBSE Class 12 Biology Syllabus 2025-26 Download PDF
Click on the link below to get the rbse class 12 biology syllabus 2025-26 pdf. Download the PDF and check the names of all the units.
How To Download RBSE Class 12 Biology Syllabus 2025-26 ?
You can follow the steps given below and download the rbse class 12 biology syllabus 2026.
- Step 1 - Go to the official website of the RBSE at rajeduboard.rajasthan.gov.in.
- Step 2 - Check the options on the left side of the homepage.
- Step 3 - Select the अनुदेशिका 2020 एवं पाठयक्रम 2025-26 (fourth option from the top) and click on it.
- Step 4 - A new page will open. Under पाठ्यक्रम 2026, click on the कक्षा 12 हेतु option
- Step 5 - Syllabus for all subjects will open. Download the file and search for the Biology syllabus.
RBSE Class 12 Biology Syllabus 2025-26 Course Structure
Check the following table to understand the rbse class 12 biology chapter wise weightage 2026. Accordingly, you can prioritize the chapters and prepare well for the board exams.
Units | Marks |
|---|---|
Sexual Reproduction in Flowering Plants | 5 |
Human Reproduction | 4 |
Reproductive Health | 2 |
Principles of Inheritance and Variation | 5 |
Molecular Basis Of Inheritance | 6 |
Evolution | 3 |
Human Health and Disease | 6 |
Microbes in Human Welfare | 5 |
Biotechnology: Principles and Processes | 4 |
Biotechnology and its Applications | 4 |
Organisms and Population | 4 |
Ecosystems | 5 |
Biodiversity and Conservation | 3 |
Total | 56 |
Download RBSE Class 12 Previous Year Question Paper
RBSE Class 12 Biology Syllabus 2025-26
The table includes the names of all the topics that are included in the unit wise rbse class 12 biology syllabus 2025-26 pdf:
Units | Topics |
|---|---|
Sexual Reproduction in Flowering Plants | The flower- an attractive part of angiosperm pre-fertilization structures and phenomena: stamens, microfibrils and pollinators, pistil, neoplasms and embryos, pollination, double fertilization, fertilization, post-formations and events, embryos, embryos, seeds, apomixis and polyembryony. |
Human Reproduction | The Male Reproductive System, The Female Reproductive System, Gametogenesis, Menstrual Cycle, Fertilisation and Implantation, Pregnancy and Embryonic Development, Parturition and Lactation. |
Reproductive Health | Reproductive health–problems and strategies, population stabilisation and birth control, medical termination of pregnancy, sexually transmitted diseases, infertility. |
Principles of Inheritance and Variation | Mendel’s Laws of inheritance, inheritance of one gene: law of dominance, law of segregation, co-dominance, inheritance of two genes: law of independent assortment, chromosomal theory of inheritance, linkage and recombination, polygenic inheritance, pleiotropy, sex determination: sex determination in honey bee and humans, mutation, genetic disorders: pedigree analysis, mendelian disorders-colour blindness, haemophilia, sickle-cell anaemia, phenylketonuria, thalassemia, chromosomal disorders. |
Molecular Basis Of Inheritance | The DNA, the search for genetic material, rna world, replication, transcription, genetic code, translation, regulation of gene expression, human genome project, dna fingerprinting. |
Evolution | Origin of life, evolution of life forms – a theory, what are the evidences for evolution?, what is adaptive radiation, biological evolution, mechanism of evolution, hardy – weinberg principle, a brief account of evolution, origin and evolution of man. |
Human Health and Disease | Common Diseases in Humans- Bacterial borne, Virus borne, fungal borne, protozoan and worm borne, Immunity - Innate Immunity, Acquired Immunity, Active and Passive Immunity, vaccination and Immunization, Allergies, Auto Immunity, Immune System in The Body, AIDS, CANCER, Drugs and Alcohol Abuse. |
Microbes in Human Welfare | Microbes in household products, microbes in industrial products, microbes in sewage treatment, microbes in production of biogas, microbes as biocontrol agents, microbes as biofertilisers. |
Biotechnology: Principles and Processes | Principles of biotechnology-genetic engineering, bioprocess engineering , tools of recombinant dna technology-restriction enzymes, cloning vectors, competent host (for transformation with recombinant DNA), processes of recombinant DNA technology-isolation of the genetic material (DNA), cutting of DNA at specific locations, amplification of gene of interest using pcr, insertion of recombinant dna into the host cell/organism, obtaining the foreign gene product, downstream processing. |
Biotechnology and its Applications | Biotechnological applications in agriculture, biotechnological applications in medicine-genetically engineered insulin, gene therapy, molecular diagnosis, transgenic animals, ethical issues. |
Organisms and Population | Populations, population attributes, population growth, life history variation, population interactions. |
Ecosystems | Ecosystem–structure and function, productivity, decomposition, energy flow, ecological pyramids. |
Biodiversity and Conservation | Biodiversity: patterns of biodiversity, loss of biodiversity, biodiversity conservation. |
Keep visiting the page to get the recent updates about the RBSE Class 12 Biology syllabus 2025-26. As per the latest changes, students can prepare well and score high marks.
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FAQs
Yes, there will be a practical exam for RBSE Class 12 Biology exam. The students should learn to draw diagrams as it will be essential for practical exams. They should be clear with the basic concepts to perform the experiments. Overall, the practical exam will be of 30 marks.
The students can score good marks in the RBSE Class 12 Biology exam 2026 by practicing the questions from different topics. With in-depth knowledge of all chapters, students can learn to write perfect answers.
After completing the RBSE Class 12 Biology Syllabus 2026, students should focus on sample sample papers and previous year question papers. They should solve a variety of questions from different question papers. The regular practice will enable them to answer all questions easily in board exams.
The students should go through all the chapters mentioned in the RBSE Class 12 Biology Syllabus 2026. All the topics should be covered in detail. For each chapter, they can check the marks weightage in advance and set a time limit according to it. The chapter with high marks should be given more weightage.
The students can get the RBSE Class 12 Biology Syllabus 2026 from the official website of the Rajasthan board. The students can visit the board’s website and download the syllabus in PDF format. It will include details for all the chapters.
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