CBSE Class 12 Biology Syllabus 2022-23


CBSE Class 12 Biology Syllabus 2022 – Central Board of Secondary Education has announced the latest program for Class 12 Biology. Students can download the CBSE Class 12th Biology Syllabus 2022 using the link presented here. Also, they can determine CBSE 12th Biology syllabus 2022 from the true. The CBSE syllabus 2022 Class 12 Biology consists of all the units, divisions, and problems for the system exam along with the effects of the practicals. Students can check the mark assigned for the specific part from the CBSE Class 12 Biology Syllabus 2022. The syllabus is reasonable in pdf format, which students can refer to while humiliating for the CBSE 12th exams.


Students will be ready to check all the great and high-weightage topics from the syllabus and present them therefore for the exams. The CBSE 12th Class Biology Syllabus 2022 will be necessary in academics as well as dynamic exams. Read the complete article to observe the CBSE Class 12 syllabus 2022 for biology.


What are the principal topics of the CBSE Section 12 Biology Syllabus 2022-23?

Some of the topics of each chapter are satisfied here for ease of students. For a complete CBSE 12th biology syllabus 2022, students can download the pdf file using the link granted above.

  • Sexual Propagation 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); (elementary idea), etc.
  • Reproductive Health
    • IVF, ZIFT, Amniocentesis,
    • contraception and medical terminus of pregnancy, etc.
  • Principles of Inheritance And Variation
    • Multiple alleles and legacy of blood groups,
    • Sex determination – in humans,
    • Birds and honey bees, 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 animals, 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 2021 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 Dictionaries for CBSE Class 12 Biology

CBSE prescribed NCERT Books for Class 12 Biology to perform the CBSE Class 12th Biology Syllabus 2021. It is essential to connect to the NCERT book as it covers the sound syllabus in a single and easily recognizable style. Relevant designs are also presented with each topic for more helpful information. Below is the list of fumed books by CBSE:

  1. Biology, Class-XII, Published by NCERT
  2. Other related books and manuals allotted out by NCERT (including multimedia)
  3. Biology Supplemental Material (Revised). possible on the CBSE website.

What chapters have been assassinated in the 12th Biology CBSE 2021?

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

CBSE Class 12 Biology Preparation Tip

While planning for the CBSE Class 12th, students must complete some simple but powerful tips and facilities to score fine in the same. Coming to Biology, it is a subject which will help you score very well in case you demand it to give your best. Go for some of the best tips for CBSE 12th Biology.

  • Complete the Class 12th CBSE Biology syllabus 2021 as soon as possible so that you can give the most excellent time for revision  
  • Students must refer to the CBSE class 12 2021 and design their studies, therefore.
  • Do not mug up the Biology, instead, try to explain the meaning of the same and make careful notes. These notes will help you to study at the second.
  • After producing the Class 12 Biology Syllabus CBSE 2021, students must the CBSE Class 12 question papers. This will help them to know the exam issue, scheme, and substantial topics.
  • Dedicate most time for the and do not overlook any doubts. Clear them right away. Seek help from others in of weight. Also, do not stress about the provisions, instead, give your best and fountainhead in CBSE class 12 result 2021.