CBSE Class 12 Biology Syllabus 2021-2022: Must Read

DNA vector medical background, can be used for business, medical, science presentation

CBSE Class 12 Biology Syllabus 2021 – Central Board of Secondary Edu has advertised the most advanced syllabus for Class 12 Biology. Students can download the CBSE Class 12th Biology Syllabus 2021 using the link bestowed below. Also, they can access CBSE 12th Biology syllabus 2021 from the conventional site case. The CBSE syllabus 2021 Class 12 Biology consists of all the units and problems for the system exam along with the features of the practicals. Students can the mark assigned for the specific unit from the CBSE Class 12 Biology Syllabus. The syllabus is arranged in pdf construction, which students can refer to while lessening for the CBSE 12th exams.


Students will be able to examine all the great and high-weightage topics from the syllabus and prepare evenly for the exams. The CBSE 12th Class Biology Syllabus 2021 will be necessary for academics as well as competitive exams. Read the complete article to surmise the CBSE Class 12 syllabus 2021 for biology.


What are the essential topics of the CBSE Class 12 Biology Syllabus 2020-21?

Some of the points of each chapter are satisfied here for ease of students. For a particular CBSE 12th biology syllabus 2021, students can download the pdf file implementing the link implemented above.

  • Sexual Reproduction in Flowering Plants:
    • Flower structure
    • Pollination
    • Pollen-pistil interaction
    • Post fertilization events, etc.
  • Human Reproduction
    • Menstrual cycle; fertilization,
    • microscopic anatomy of testis and ovary,
    • parturition (elementary idea); lactation (elementary idea), etc.
  • Reproductive Health
    • IVF, ZIFT, 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 bees, hemophilia, color 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,
    • The age distribution, etc.
  • Biodiversity and Conservation
    • Red Data Book,
    • Biosphere reserves, patterns, importance;
    • Loss of biodiversity, etc.

CBSE Class 12th Biology Syllabus for practical




One Major Experiment

5 Marks


One Minor Experiment

4 Marks


Slide Preparation

5 Marks



7 Marks


Practical Record+Viva Voce

4 Marks


Project Record + Viva Voce

5 Marks



30 Marks



Prescribed Books for CBSE Class 12 Biology

CBSE directed NCERT Books for Class 12 Biology to present the CBSE Biology Syllabus. It is required to connect to the NCERT book as it covers the entire syllabus in an oversimplified and easily understandable style. Relevant figures are also provided with each topic for better understanding.

  1. Biology, Class-XII, Published by NCERT
  2. Other related books and handbooks transferred out by NCERT (including multimedia)
  3. Biology Supplementary Material. possible on the CBSE website.

What parts have been erased in the 12th Biology CBSE 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 perform some simple but effective tips and tricks to defend fine in the same. Coming to Bio, it is a subject which helps you achieve very well in case you take it sincerely and give your best. Go through some of the best tips for CBSE 12th Biology.

  • Complete the Class 12th CBSE Biology syllabus as soon as possible so that you can give the greatest time.
  • Students must refer to the CBSE class 12 timetable 2021 and plan their examinations respectively.
  • Do not mug up the sources of Biology, instead, try to understand the meaning of the same and make crucial notes. These notes will help you to study at the most nocturnal moment.
  • After creating the Class 12 Biology Syllabus CBSE 2021, students must solve the CBSE Class 12 topic set. This will help them to know the exam pattern and substantial topics.
  • Dedicate maximum time for the reflection and do not neglect any doubts. Obtain them right away. Seek help from others in case of emergency. Also, do not stress about the requirements, instead, give your best and associate well in CBSE class 12 result 2021.
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