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CBSE Class12th Biology Syllabus 2024-25 at cbse.gov.in Pdf Download Class 12th Biology Syllabus
The Central Board of Secondary Education (CBSE) has published the CBSE Class 12 Biology Syllabus for the academic year 2024-25. Students can obtain the updated CBSE Class 12 Biology Syllabus PDF through the provided link below.
by Sangeetha
Updated May 10, 2024
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CBSE Class12th Biology Syllabus 2024-25 @ cbse.gov.in
The Central Board of Secondary Education (CBSE) has published the CBSE Class 12 Biology Syllabus for the academic year 2024-25. Students can obtain the updated CBSE Class 12 Biology Syllabus PDF through the provided link below. Additionally, the CBSE 12th Biology Syllabus for 2024-25 can be accessed on the official website, cbse.gov.in.
Check - CBSE Class12th Biology Syllabus 2024-25
Important Topics of CBSE Class 12th Biology Syllabus 2024-25
| Unit No | Chapter No | Particulars |
|---|---|---|
| Unit-VI Reproduction | Chapter 2: Sexual Reproduction in Flowering Plants | Flower structure; development of male and female gametophytes; pollination - types, agencies, and examples; out breeding devices; pollen-pistil interaction; double fertilization; post-fertilization events - development of endosperm and embryo, development of seed and formation of fruit; special modes- apomixis, parthenocarpy, polyembryony; Significance of seed dispersal and fruit formation. |
| Chapter 3: Human Reproduction | Male and female reproductive systems; microscopic anatomy of testis and ovary; gametogenesis -spermatogenesis and oogenesis; menstrual cycle; fertilization, embryo development up to blastocyst formation, implantation; pregnancy and placenta formation (elementary idea); parturition (elementary idea); lactation (elementary idea). | |
| Chapter 4: Reproductive Health | Need for reproductive health and prevention of Sexually Transmitted Diseases (STDs); birth control - need and methods, contraception and medical termination of pregnancy (MTP); amniocentesis; infertility and assisted reproductive technologies - IVF, ZIFT, GIFT (Elementary idea for general awareness). | |
| Unit-VII Genetics and Evolution | Chapter 5: Principles of Inheritance and Variation | Heredity and variation: Mendelian inheritance; deviations from Mendelism – incomplete dominance, co-dominance, multiple alleles and inheritance of blood groups, pleiotropy; elementary idea of polygenic inheritance; chromosome theory of inheritance; chromosomes and genes; Sex determination - in humans, birds and honey bee; linkage and crossing over; sex-linked inheritance - hemophilia, color blindness; Mendelian disorders in humans - thalassemia; chromosomal disorders in humans; Down's syndrome, Turner's and Klinefelter's syndromes. |
| Chapter 6: Molecular Basis of Inheritance | Search for genetic material and DNA as genetic material; Structure of DNA and RNA; DNA packaging; DNA replication; Central Dogma; transcription, genetic code, translation; gene expression and regulation - lac operon; Genome, Human and rice genome projects; DNA fingerprinting. | |
| Chapter-7: Evolution | Origin of life; biological evolution and evidence for biological evolution (paleontology, comparative anatomy, embryology, and molecular evidence); Darwin's contribution, modern synthetic theory of evolution; mechanism of evolution - variation (mutation and recombination) and natural selection with examples, types of natural selection; Gene flow and genetic drift; Hardy - Weinberg's principle; adaptive radiation; human evolution. | |
| Unit-VIII Biology and Human Welfare | Chapter 8: Human Health and Diseases | Pathogens; parasites causing human diseases (malaria, dengue, chikungunya, filariasis, ascariasis, typhoid, pneumonia, common cold, amoebiasis, ring worm) and their control; Basic concepts of immunology - vaccines; cancer, HIV and AIDS; Adolescence - drug and alcohol abuse. |
| Chapter 10: Microbes in Human Welfare | Microbes in food processing, industrial production, sewage treatment, energy generation, and microbes as bio-control agents and bio-fertilizers. Antibiotics; production and judicious use. | |
| Unit-IX Biotechnology and its Applications | Chapter-11: Biotechnology - Principles and Processes | Genetic Engineering (Recombinant DNA Technology). |
| Chapter 12: Biotechnology and its Applications | Application of biotechnology in health and agriculture: Human insulin and vaccine production, stem cell technology, gene therapy; genetically modified organisms - Bt crops; transgenic animals; biosafety issues, biopiracy and patents. | |
| Unit-X Ecology and Environment | Chapter 13: Organisms and Populations | Population interactions - mutualism, competition, predation, parasitism; population attributes - growth, birth rate and death rate, age distribution. (Topics excluded: Organism and its Environment, Major Abiotic Factors, Responses to Abiotic Factors, Adaptations) |
| Chapter-14: Ecosystem | Ecosystems: Patterns, components; productivity and decomposition; energy flow; pyramids of number, biomass, energy (Topics excluded: Ecological Succession and Nutrient Cycles) | |
| Chapter 15: Biodiversity and Its Conservation | Biodiversity- concept, patterns, importance; loss of biodiversity; biodiversity conservation; hotspots, endangered organisms, extinction, Red Data Book, Sacred Groves, biosphere reserves, national parks, wildlife, sanctuaries, and Ramsar sites. |
How to Download CBSE Class 12 Biology Syllabus PDF 2024-25?
To download the CBSE Class 12 Biology Syllabus PDF for the academic year 2024-25 from the official website, follow these steps:
- Visit the official website, cbseacademic.nic.in.
- On the homepage, locate and click on the ‘Curriculum’ option.
- Choose the ‘Senior Secondary Curriculum (XI-XII)’ section.
- Select 'Academic Electives - (Group-A)'.
- Navigate to the Biology tab.
- The CBSE Biology Syllabus Class 12 for 2024-25 will be displayed. Save the syllabus in PDF format for future reference.
CBSE Class12th Biology Syllabus 2024-25 - FAQs
1. What are the passing marks in CBSE Class 12th exams?
Students must score at least 33 per cent marks per subject in order to pass the CBSE Class 12 exams.
2. Where can I get the solution of topics given in CBSE 12th Biology syllabus?
Students can access topic-wise solutions using the links available on this page.
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