CBSE Class 12 Biology Syllabus 2021 (Reduced) - Download Pdf Here

CBSE Class 12 Biology Syllabus 2021 - Central Board of Secondary Education has released the reduced syllabus for Class 12 Biology. Students can download the CBSE Class 12 Biology Syllabus 2021 using the link given below. Also, they can access CBSE 12th Biology syllabus 2021 from the official website cbseacademics.nic.in.
Syllabus link - Click here to download CBSE 12th class Biology syllabus 2021 pdf.
Latest update: CBSE Class 12 syllabus 2021 is available for all other subjects.
- Also, check NCERT solutions for Class 12 Biology
The syllabus 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 from the CBSE Class 12 Biology Syllabus 2021. The syllabus is available in the pdf format, which students can refer to while preparing for the CBSE 12th exams. Students will be able to check all the important and high weightage topics from the syllabus and prepare accordingly for the exams. The CBSE Class 12 Biology Syllabus 2021 will be helpful in academics as well as competitive exams. Read the complete article to know the syllabus.

CBSE Class 12 Biology Syllabus 2021

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. Check the complete syllabus below.

CBSE Class 12 Biology Syllabus for Theory

Related Subjects' Syllabus

What are the important topics of CBSE Class 12 Biology Syllabus 2021?

Some of the topics of each chapter are given below for the ease of syllabus. For detailed syllabus, students can download the pdf file using the link given above.

• Sexual Reproduction in Flowering Plants:
  • Flower structure
  • Pollination
  • Pollen-pistil interaction
  • Post fertilization events, etc.
• Human Reproduction
  • Menstrual cycle; fertilisation,
  • microscopic anatomy of testis and ovary,
  • parturition (elementary idea); lactation (elementary idea), etc.
• Reproductive Health
  • IVF, ZIFT, GIFT,
  • Amniocentesis,
  • contraception and medical termination of pregnancy, etc.
• Principles of Inheritance And Variation
  • Multiple alleles and inheritance of blood groups,
  • Sex determination - in humans,
  • Birds and honey bee, haemophilia, colour Blindness, etc.
• Molecular Basis of Inheritance
  • Genetic code, Translation,
  • Gene expression and regulation,
  • Structure of DNA and RNA, etc.
• Human Health and Disease
  • Pneumonia, the common cold,
  • Basic concepts of immunology - vaccines;
  • Cancer, drug and alcohol abuse, etc.
• Microbes in Human Welfare
  • Antibiotics;
  • Production, sewage treatment,
  • Energy generation, etc.
• Biotechnology: Principles and Processes
  • Genetic Engineering (Recombinant DNA Technology).
• Biotechnology and its Applications
  • Gene therapy;
  • Genetically modified organisms, transgenic animals;
  • Biosafety issues, etc.
• Organisms and Population
  • Mutualism, competition,
  • Predation, birth rate and death rate,
  • Age distribution, etc.
• Biodiversity and Conservation
  • Red Data Book,
  • Biosphere reserves, patterns, importance;
  • Loss of biodiversity, etc.

CBSE Class 12 Biology Syllabus 2021 for practical

How to Download CBSE Class 12 Biology Syllabus 2021?

Follow the steps given below to download the CBSE 12th syllabus for Biology 2021 from official website:

• Step 1 - Go to the official website, cbseacademics.nic.in.
• Step 2 - On the home page, click on the ‘Curriculum’ option.
• Step 3 - Click on the ‘Senior Secondary Curriculum (XI-XII)’.
• Step 4 - Select Academic Electives - (Group-A).
• Step 5 - Now click on the Biology tab. The CBSE Class 12 Biology Syllabus 2021 will get displayed on your screens. Save the syllabus in pdf format.

Prescribed Books for CBSE Class 12 Biology

CBSE prescribed NCERT Books for Class 12 Biology to complete the CBSE Class 12 Biology Syllabus 2021. 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:

1. Biology, Class-XII, Published by NCERT
2. Other related books and manuals brought out by NCERT (including multimedia)
3. Biology Supplementary Material (Revised). available on CBSE website.

What chapters have been deleted in CBSE 12th Biology Syllabus 2021?

• Reproduction in Organism
• Evolution
• Strategies for Enhancement in Food Production
• Ecosystem
• Environmental Issues

CBSE Class 12 Biology Preparation Tips 2021

While preparing for the CBSE Class 12th, students must implement some simple but effective tips and tricks to score well in the same. Coming to Biology, it is a subject which will help you score very well in case 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 2021 as soon as possible so that you can give maximum time for revision.
• Students must refer to the CBSE class 12 time table 2021 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 2021, 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 2021.

Related Links

• CBSE passing marks 12th
• NCERT books for Class 12
• NCERT syllabus for Class 12
• CBSE 12th admit card 2021