CBSE Class 12 Biology Revision Notes

CBSE Class 12 Biology Revision Notes explains the natural world around us. From the largest ever animal to the smallest ever microbe, biology explains the things we see with a rationale and factuality. In other words, Biology is a very important subject that students should know about. From an academic perspective, having an interest in biology will open up various opportunities, hence it is advisable for the CBSE Class 12 students not to slack off when it comes to this subject.

Why Should You Revise Biology?

Biology is a vast subject that has many branches under it – such as Botany, Zoology, Microbiology, Palaeobotany etc. But for a student, the major branches to study are botany and zoology. Even then, it has a plethora of topics and content to learn. Hence, the best way to reinforce and recall biology is to revise it regularly. Apart from the vast syllabus, diagrams are also an integral part of the subject and it is very important that the student practices them often.

CBSE Class 12 Biology Revision Notes

Visit the links below to explore and revise important concepts in of Class 12 Biology. Access the CBSE Revision Notes of Class 12 Biology for all the 15 chapters.

Class 12 Biology Revision Notes
Chapter 1 Reproduction in Organism Chapter 9 Strategies for Enhancement in Food Production
Chapter 2 Sexual Reproduction in Flowering Plants Chapter 10 Microbes in Human Welfare
Chapter 3 Human Reproduction Chapter 11 Biotechnology: Principles and Processes
Chapter 4 Reproductive Health Chapter 12 Biotechnology and its Applications
Chapter 5 Principles of Inheritance and Variation Chapter 13 Organisms and Populations
Chapter 6 Molecular Basis of Inheritance Chapter 14 Ecosystem
Chapter 7 Evolution Chapter 15 Biodiversity and Conservation
Chapter 8 Human Health and Disease

Why Choose BYJU’S?

BYJU’S provides concise content with high informational quotient. The same can be said for Class 12 Biology CBSE Revision Notes, where we have crafted the best content for students to refer right before exams. We have condensed topics and tips, important diagrams into a format that can be easily comprehended by the students. It also acts as another point of reference apart from our in-depth content on our website.

Keep learning and stay tuned with BYJU’S for the latest update on CBSE/ICSE/State Board/Competitive Exams. Also, download the BYJU’S App for interactive study videos.

Frequently asked Questions on CBSE Class 12 Biology Notes: Revision


What are some of the molecular techniques used commonly?

DNA cloning, cut and paste DNA, bacterial transformation , transfection, chromosome integration, cellular screening, cellular culture, extraction of DNA, DNA polymerase chain reaction.


What is the importance of food industry?

The food industry plays a significant role in providing food security, food safety, public health, and nutrition.


Which are the beneficial microbes for human health?

Probiotics are live bacteria that are good for us, that balance our good and bad intestinal bacteria, and that aid in digestion of food and help with digestive problems.


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