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CBSE Class 12 Biology syllabus is important for board exam preparations. Referring to the syllabus will help you understand the curriculum for the Biology subject easily, helping you to keep track of all the topics and chapters to be prepared for board exams. The syllabus includes the marking scheme of the Biology exam that can help you decide which topics to cover first and how to proceed with the learning. The syllabus also includes topics for practical examination, recommended books and the internal assessment marking scheme for Class 12 Biology.
Class 12 Biology Syllabus includes topics like asexual reproduction - binary fission, budding, sporulation, and fragmentation, vegetative propagation, the structure of the flower, pollination, seed dispersal significance and fruit formation. You will also study the concepts of inheritance such as codominance, blood groups, chromosomes, and genes. You will learn about DNA, RNA, genetic code, gene expression and how life originated and evolved. Other topics include how different populations live in particular habitats, ecosystem, and population attributes.
You can download the CBSE Class 12 Biology syllabus from the askIITians website easily for your reference. Along with the Class 12 syllabus for Biology, we also provide complete CBSE study material. This includes chapter notes, revision notes, test series, mindmaps, flashcards, mock tests, assignments and study planners. You can enrol in our live classes, where our experts will teach you all the basic to complex concepts in easy to understand language. Our study materials are completely based on the latest CBSE syllabus and exam pattern for Class 12 Biology.
The Class 12 Biology syllabus for 2021-22 includes 5 units and 16 chapters. These units comprise 70 marks in total while 30 marks are allocated to practical examination and internal assessments.
CBSE Class 12 Biology Syllabus
CBSE Class 12 Biology Topics
Marks
Unit 1: Reproduction
Reproduction, modes of reproduction, sexual and asexual reproduction, vegetative propagation in plants, pollination, flower structure, male and female reproductive systems, reproductive health, birth control
14
Unit 2: Genetics and Evolution
Principles of inheritance and variation, Mendelian inheritance, chromosome theory of inheritance, sex determination, inheritance of blood groups, the structure of DNA and RNA, central dogma, DNA fingerprinting, evolution, biological evolution, Lamarck’s theory of use and disuse of organs, Darwin's theory of evolution, Hardy - Weinberg's principle, human evolution
18
Unit 3: Biology and Human Welfare
Human health and diseases, parasites causing human diseases, the immune system in human beings, vaccination, animal husbandry, plant breeding, single-cell protein, antibiotics, microbes in food processing, bio-gas fertilisers, bio-control agents
Unit 4: Biotechnology and Its Applications
Biotechnology, its principles and applications, genetic engineering, genetically modified organisms, RNA interference, human insulin, gene therapy, biosafety issues, applications of biotechnology in health and agriculture
10
Unit 5: Ecology and Environment
Organisms and populations, habitat and niche, population interactions, ecological adaptations, ecosystem, structure and functions of the ecosystem, loss of biodiversity, conservation of biodiversity, national parks, wildlife, biosphere reserves, environmental issues, ozone layer depletion, air pollution, radioactive waste management, solid waste management and deforestation
70 Marks
#1 Why is the Class 12 Biology Syllabus important?
Class 12 Biology syllabus is an important document that helps you in study planning for the board exam. When you have a list of all the topics to be studied for the exam, you can create a study plan accordingly. The syllabus also helps you keep track of all your learning progress. You can colour-code the topics based on their difficulty or the topics that you have completed and are yet to be done. The syllabus also indicates the exam pattern and the marking scheme for biology Class 12.
#2 What is the syllabus for CBSE Class 12 Biology practical examination?
The practical examination comprises 30 marks in total. Students will be assessed based on one major experiment, one minor experiment, slide preparation, spotting, practical record, viva voce, and project record.
#3 How to prepare for the Class 12 Biology exam?
#4 How can AskIITians help you to prepare for Class 12 Biology?
Download the complete syllabus for CBSE Class 12 Biology 2021-22 from the askIITians website and begin your preparations with our study resources. We follow the latest CBSE guidelines and exam pattern to create the best study resources for Class 12 Biology:
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