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CBSE Class 12 Biology Syllabus 2024-25 Download PDF Here
Edited By Garima Sihag | Updated on Nov 21, 2024 02:13 PM IST | #CBSE Class 12th
Upcoming Event
CBSE Class 12th Exam Date : 01 Jan' 2025 - 14 Feb' 2025
The Central Board of Secondary Education has released the CBSE Biology Class 12 syllabus 2024-25. Students can download the latest CBSE Class 12 Biology syllabus PDF using the link provided below. Also, they can access the CBSE 12th biology syllabus 2024-25 from the official website, cbseacademic.nic.in. This year, the board has not reduced the CBSE 12th syllabus 2024-25.
Download: CBSE Biology Class 12 Syllabus 2024-25 PDF
New: CBSE Class 12 Date Sheet 2025 Declared; Direct Link
Sample Papers 2025: Physics | Chemistry | Biology | Maths | Computer Science | Economics
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This Story also Contains
- CBSE 12th Syllabus 2024-25
- CBSE Biology Class 12 Syllabus 2024-25
- Important Topics of CBSE Class 12th Biology Syllabus 2024-25
- CBSE Class 12 Biology Syllabus 2024-25 for Practical
- Prescribed Books for CBSE Class 12 Bio Syllabus
- CBSE Class 12 Biology Preparation Tips 2024-25
The biology syllabus Class 12 CBSE consists of all the units, chapters, and topics for the theory exam along with the details of the practicals. Students can check the mark allotted for each unit in CBSE Class 12 Biology Syllabus 2025. The syllabus is available in PDF format, which students can refer to while for preparing for the CBSE 12th exams.
Students will be able to check all the important and high-weightage topics from the syllabus of biology class 12 and prepare accordingly for the CBSE Board exams 2024-25. The CBSE Class 12 Biology Syllabus 2024-25 is also useful while preparing for the competitive exams. Read the complete article to know the detailed CBSE Class 12 syllabus 2025 for biology, marking scheme, steps to download PDF, preparation tips and more.
CBSE 12th Syllabus 2024-25
The CBSE Class 12 syllabus 2024-25 is very important for students, they should try to understand the syllabus in depth. It will help them make strategies to ace their exams.
- CBSE Class 12 Maths Syllabus 2024-25
- CBSE Class 12 Physics Syllabus 2024-25
- CBSE Class 12 Chemistry Syllabus 2024-25
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Download EBookCBSE Biology Class 12 Syllabus 2024-25
There are a total of 5 units in the syllabus of Biology. The theory papers consist of 70 marks and practical exams will be of 30 marks.
| Topics | Marks |
|---|---|
| Reproduction | 16 |
| Genetics and Evolution | 20 |
| Biology and Human Welfare | 12 |
| Biotechnology and its Applications | 12 |
| Ecology and Environment | 10 |
| Total | 70 |
Important Topics of CBSE Class 12th Biology Syllabus 2024-25
The chapters incorporated in each unit are given in the table below for the convenience of students. For a detailed CBSE class 12 bio syllabus, students can download the PDF file using the link given above.
| 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; fertilisation, 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 - haemophilia, colour 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 evidences 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. |
CBSE Class 12 Biology Syllabus 2024-25 for Practical
How to Download CBSE Class 12 Biology Syllabus PDF 2024-25?
Follow the steps given below to download the CBSE 12th syllabus for Biology 2025 from the official website:
- Go to the official website, cbseacademic.nic.in.
- On the home page, click on the ‘Curriculum’ option.
- Click on the ‘Senior Secondary Curriculum (XI-XII)’.
- Select Academic Electives - (Group-A).
- Now click on the Biology tab. The Biology syllabus class 12 CBSE 2024-25 will be displayed on your screens. Save the syllabus in PDF format.
Prescribed Books for CBSE Class 12 Bio Syllabus
CBSE prescribed NCERT Books for Class 12 Biology to complete the CBSE Class 12 Biology Syllabus 2025. It is important to refer to the NCERT book as it covers the entire syllabus in a simple and easily understandable language. Relevant diagrams are also provided with each topic for better understanding. Below is the list of prescribed books by CBSE:
- Biology, Class-XII, Published by NCERT
- Other related books and manuals brought out by NCERT (including multimedia)
- Biology Supplementary Material (Revised). available on CBSE website.
CBSE Class 12 Biology Preparation Tips 2024-25
While preparing for the CBSE Class 12th, students must implement some simple but effective tips and tricks to score well in the same. Biology is a subject that will help you score very well if you take it seriously and give your best. Go through some of the best preparation tips for CBSE 12th Biology:
- Complete the CBSE Class 12 Biology syllabus 2024-25 as soon as possible so that you can give maximum time for revision.
- Students must refer to the CBSE class 12 time table and plan their studies accordingly.
- Do not mug up the theories of Biology, instead, try to understand the meaning of the same and make personal notes. These notes will help you to revise at the last moment.
- After completing the CBSE Class 12 Biology Syllabus 2025, students must solve the CBSE Class 12 question papers. This will help them to know the exam pattern, marking scheme and important topics.
- Dedicate maximum time for the revision and do not ignore any doubts. Clear them right away. Seek help from others in case of confusion. Also, do not stress about the board, instead, give your best and score well in CBSE Class 12 result .
Also, Read:
Frequently Asked Questions (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.
3. Is NCERT book enough to prepare for the exams?
Yes, NCERT books are enough to prepare for the exams and cover CBSE class 12 Biology syllabus 2024-25.
4. Where does the board release the CBSE board exam schedule?
The CBSE 12th exam dates and CBSE 10th time table are released by CBSE through its official website, cbse.gov.in.
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11 min ⋆ Dec 27, 2024 11:12 AM ISTQuestions related to CBSE Class 12th
Have a question related to CBSE Class 12th ?
Hello,
Yes, you can switch from CBSE to CHSE Odisha in Class 12th, but there are a few conditions:
- Eligibility : Check if CHSE Odisha allows lateral entry into Class 12th. Generally, students can transfer from CBSE to state boards with prior approval.
- Document Requirements : You may need to provide transcripts, mark sheets, and a transfer certificate.
- Subject Alignment : Ensure that the subjects you studied in CBSE align with the CHSE curriculum.
- Application Process : Contact the respective CHSE Odisha authority or school for specific transfer procedures and deadlines.
Hope it helps !
Prachi Kumari 30 December,2024
Hello there! Thanks for reaching out to us at Careers360.
Ah, you're looking for CBSE quarterly question papers for mathematics, right? Those can be super helpful for exam prep.
Unfortunately, CBSE doesn't officially release quarterly papers - they mainly put out sample papers and previous years' board exam papers. But don't worry, there are still some good options to help you practice!
Have you checked out the CBSE sample papers on their official website? Those are usually pretty close to the actual exam format. You could also look into previous years' board exam papers - they're great for getting a feel for the types of questions that might come up.
If you're after more practice material, some textbook publishers release their own mock papers which can be useful too.
Let me know if you need any other tips for your math prep. Good luck with your studies!
Jefferson 25 September,2024
It's understandable to feel disheartened after facing a compartment exam, especially when you've invested significant effort. However, it's important to remember that setbacks are a part of life, and they can be opportunities for growth.
Possible steps:
-
Re-evaluate Your Study Strategies:
- Identify Weak Areas: Pinpoint the specific topics or concepts that caused difficulties.
- Seek Clarification: Reach out to teachers, tutors, or online resources for additional explanations.
- Practice Regularly: Consistent practice is key to mastering chemistry.
-
Consider Professional Help:
- Tutoring: A tutor can provide personalized guidance and support.
- Counseling: If you're feeling overwhelmed or unsure about your path, counseling can help.
-
Explore Alternative Options:
- Retake the Exam: If you're confident in your ability to improve, consider retaking the chemistry compartment exam.
- Change Course: If you're not interested in pursuing chemistry further, explore other academic options that align with your interests.
-
Focus on NEET 2025 Preparation:
- Stay Dedicated: Continue your NEET preparation with renewed determination.
- Utilize Resources: Make use of study materials, online courses, and mock tests.
-
Seek Support:
- Talk to Friends and Family: Sharing your feelings can provide comfort and encouragement.
- Join Study Groups: Collaborating with peers can create a supportive learning environment.
Remember: This is a temporary setback. With the right approach and perseverance, you can overcome this challenge and achieve your goals.
I hope this information helps you.
Kanishka kaushikii 17 September,2024
Hi,
Qualifications:
Age: As of the last registration date, you must be between the ages of 16 and 40.
Qualification: You must have graduated from an accredited board or at least passed the tenth grade. Higher qualifications are also accepted, such as a diploma, postgraduate degree, graduation, or 11th or 12th grade.
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Get the Medhavi app by visiting the Google Play Store.
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Hope you find this useful!
Yuvan 30 August,2024
hello mahima,
If you have uploaded screenshot of your 12th board result taken from CBSE official website,there won,t be a problem with that.If the screenshot that you have uploaded is clear and legible. It should display your name, roll number, marks obtained, and any other relevant details in a readable forma.ALSO, the screenshot clearly show it is from the official CBSE results portal.
hope this helps.
Ashvadha 12 July,2024
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