NCERT Syllabus for Class 12 Biology 2022
NCERT Syllabus for Class 12 Biology 2022-23: National Council of Research and Training set the class 12 biology syllabus which is prescribed by CBSE and many State Board schools. CBSE strictly follows the NCERT syllabus for Class 12 Biology as this body puts forth very relevant information. The revised NCERT Syllabus is designed in a way to offer brief but informative knowledge to students.
Also read - NCERT Syllabus for Class 12
It also aims at giving a clear, sequential flow of concepts without over-emphasizing the information. By referring to NCERT Class 12 Biology syllabus, students can prepare for the board exams and a few competitive and scholarship exams such as KVPY, NEET. Biology is a theoretical subject, if studied thoroughly, students can score high in the CBSE class 12th exam. Candidates can find detailed information on class 12 biology syllabus NCERT, marking scheme and Question Paper Pattern below.
NCERT CBSE Syllabus for Class 12 Biology 2022-23: Highlights
Usually, most of the questions are asked straight from the NCERT books for Class 12 Biology
Class 12 Biology syllabus 2023 helps the candidates to stick to important topics. It offers relevant information which is brief and to the point.
NCERT books are written in a very understandable and simple language which makes it easy for the students to clear the concepts.
NCERT Solutions for Class 12 Biology let the students clarify their doubts and related queries. It will help them to score well.
Units such as Genetics and Evolution, Reproduction, Biology and Human Welfare should be studied carefully as these units carry high weightage in CBSE class 12 syllabus
Also read - NCERT Exemplar Class 12th Biology Solutions
NCERT Class 12 Biology syllabus 2022-23
Below mentioned are the chapter-wise important topics and marking scheme of CBSE class 12 Biology syllabus.
NCERT Chapter-wise Solution
Modes of Reproduction - Asexual and Sexual Reproduction; Reproduction; asexual reproduction- Binary fission, Sporulation, Budding, Gemmule formation, etc.
Flower Structure; Development of male and female gametophytes; pollination -Types, agencies and examples; outbreeding devices; post-fertilization events - development of endosperm and embryo, pollen-pistil interaction; double fertilization, etc.
Embryo development up to blastocyst formation, menstrual cycle, fertilisation, Male and Female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis - spermatogenesis and oogenesis, etc.
Need for reproductive health and prevention of Sexually Transmitted Diseases (STDs); birth control - contraception and medical termination of pregnancy, need and methods, etc.
Chromosome theory of inheritance; linkage and crossing over; sex-linked inheritance - haemophilia, colour blindness; Mendelian disorders in humans, Mendelian inheritance; deviations from Mendelism – incomplete dominance, codominance, multiple alleles and inheritance, pleiotropy; elementary idea of polygenic inheritance, etc.
Central dogma; transcription, genetic code, translation; gene expression and regulation - lac operon, Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication, etc.
Darwin's contribution, modern synthetic theory of evolution; mechanism of evolution, Origin of life; biological evolution and evidence for biological evolution (palaeontology, comparative anatomy, embryology and molecular evidence), etc.
Pathogens; parasites causing human diseases (malaria, dengue, common cold, amoebiasis, ringworm) and their control, chikungunya, filariasis, ascariasis, typhoid, pneumonia, etc.
Improvement in food production: Plant breeding, Biofortification, Apiculture, tissue culture, single cell protein, etc.
Energy generation and microbes as bio-control agents and bio-fertilizers, In household food processing, industrial production, sewage treatment, etc.
Genetic Engineering (Recombinant DNA Technology).
Stem cell technology, gene therapy; genetically modified organisms, Application of biotechnology in health and agriculture: Human insulin and vaccine production, etc.
Population and ecological adaptations; population interactions - mutualism, Organisms and environment: Habitat and niche, competition, predation, parasitism, etc.
Ecosystems: Patterns, components; productivity and decomposition; energy flow; pyramids of number, biomass, energy; nutrient cycles (carbon and phosphorous); ecological succession, etc.
Biodiversity conservation; hotspots, endangered organisms, extinction, Biodiversity-Concept, patterns, importance; loss of biodiversity, etc.
Agrochemicals and their effects; solid waste management; radioactive waste management; greenhouse effect and climate change impact and mitigation; ozone layer depletion, Air pollution and its control; water pollution and its control, etc.
NCERT Syllabus for Class 12 Others Subjects
- NCERT Syllabus for Class 12 Maths
- NCERT syllabus for class 12 Chemistry
- NCERT syllabus for class 12 Physics
- NCERT Syllabus for Class 12 English
How to prepare for NCERT CBSE class 12 Biology 2022?
Students are advised to solve as much NCERT questions as most of the time questions in board comes from these NCERT exercises.
Practice all the diagrams as it will help the students to clear the in-depth details of every topic. The diagrammatic information helps in better understanding.
Refer to NCERT solutions for Class 12 Biology. Doing this will help the candidates to know the way the question should be attempted in board exams.
Solve previous year question papers to know the exam pattern and weightage of several topics and prepare accordingly.
Try to jot down difficult biological terminology on paper many times in order to memorize it easily.
Revise the NCERT syllabus for class 12 biology and make the short notes of important topics subsequently to revise the same in less time.
NCERT syllabus for Class 12 Biology helps to prepare for class 12 board exams. But referring to some reference books helps the students to dig in more details about important topics. Some of the best reference books for class 12 biology are mentioned below:
S. Chand’s Biology for class XII by B.P. Pandey.
Trueman’s Elementary Biology for Class 12 and NEET by K.N. Bhatia and M.P. Tyagi.
Together with Biology by S. Chand.
CBSE Biology Chapter wise Solved Papers class 12th by Arihant Expert.
Pradeep’s A Text Book of Biology class 12 by P.S. Dhami.
Biology by Campbell and Reece
- NCERT Book for class 12 Physics
- NCERT Book for Class 12 Maths
- NCERT Books for class 12 Chemistry
- NCERT Book for class 12 Hindi
Frequently Asked Question (FAQs) - NCERT Syllabus for Class 12 Biology 2022
Question: How many chapters are there in Class 12 biology?
There are a total of 16 chapters in Class 12 biology.
Question: Is Class 12 Bio easy?
Generally, the paper of CBSE Class 12 is kept as a balanced and easy paper, which makes it easy for students to solve the questions if they have studied the subject.
Question: How can I learn Bio Fast?
You should clear all your concepts instead of memorizing the words and complete the lab work to have practical knowledge.
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