NCERT Books Free Download for Class 12 Biology Chapter 15 - Biodiversity and Conservation

Class 12 is a crucial stage in the life of any candidate. Each of them tries to strive harder to achieve greater excellence in all the subjects and ace the examination. At such an hour, it is essential to follow a strict timetable and divide chores as per the same. Revising with a set routine pattern is always said to be an essential step towards achieving success. Those who have taken science as their stream should be aware of the different strategies and techniques that can be applied to enhance the learning procedure. 

Each subject has a different way of learning. While Maths requires greater practice, Biology on the other hand needs a lot of retention power. Grasping the content of the subject goes a long way in clarifying any topic-related queries or doubts. This is when choosing the right textbook becomes of the utmost importance. Students always search for such a book that can be handy, easily comprehensible, and much easier to access. Without any further dilemma, choose NCERT as the most go-to book for any aspiring candidate. It comes with detailed yet compact definitions of different terminologies and lucid language. 

Students are always seen to prefer NCERT for its handy and colorful presentation which works on the visual interest of a student.  All the texts are easily downloadable through NCERT PDfs and can be accessed both online as well as in an offline mode as per the requirement of a candidate. CBSE Class 12 Biology syllabus has been compiled, keeping in mind the important topics that might be required in future competitive examinations. Some of the units dealt with in this book are as follows:-

• Reproduction

• Genetics and Evolution

• Biology in Human Welfare

• Biotechnology

• Ecology

Each topic has various subdivisions and by downloading the contents from CBSE Class 12 Biology PDF, one can easily go through at one’s momentum. Chapter 14 of the text deals with biodiversity and conversation ranges over topics drawn from multiple arenas. Read on to understand the basic topics covered in the same-

• Introduction to Biodiversity and Conservation

• Magnitude of biodiversity

• Invertebrates, vertebrates and plants representing global biodiversity

• Levels of biodiversity including genetic diversity, species diversity, community and ecosystem diversity, alpha diversity, beta diversity, gamma diversity

• India as a mega diversity region

• Patterns of biodiversity latitudinal and altitudinal gradients

• Species-area relationship

• Importance of biodiversity as a source of food, source of fats and oils, fibres, new varieties, drugs and medicines, aesthetic value, cultural benefits and ecosystem services

• Threats to biodiversity that includes habitat loss and fragmentation, overexploitation, alien species invasions and co-extinctions

• Wildlife conservation and its importance

• Balance of nature, the commercial value of wildlife, biological studies and sports and recreation

• Conservation of biodiversity

• About narrowly utilitarian, broadly utilitarian and ethical practices

• Conservation of biodiversity

• In Situ conservation

• Hot spots and factors determining that include number of species, degree of endemism, degree of threat to habitat and degree of exploitation

• Protected areas

• National Park

• Sanctuaries

• Biosphere reserves

• Transition zone

• Importance of biosphere reserves that include restoration, conservation, development, monitoring and education and research

• MAB program

• Ex-situ conservation

• Gene bank that includes seed banks, orchards, tissue culture and cryopreservation

• Biodiversity Act (2002)

• Convention on Biodiversity

All these arenas are broadly discussed in the PDF once downloaded. Many new areas of discussion are opened up and students can then make a note of those areas which need more attention from them. Going through the topics will also help them to solve any sample or previous year question papers with much ease. Students can also download NCERT solutions for a better understanding of the format of the answer writing and apply the same procedure in their examination hall as well.

Class 12 Biology Chapter 15 revision notes online are prepared with the help of expert professionals who are updated with the latest edition of NCERT. Available in the form of PDF files, these can easily be downloaded from the online platform for free. Besides, students can fetch other related documents online through established educational platforms like Vedantu. Mock test papers, Previous Years’ Question papers, sample papers, etc. are available through the internet. Students can practice all of the papers to give their best shot during examinations. Having know-how about the paper structure, pattern, type of questions, and important topics is a great help for preparations.

Having the right approach towards the preparation will definitely result in better performance. Regularly going over questions and solving various worksheets can be a great approach towards acing the examination. For any queries on the topic, Vedantu is always within the reach of students! Access the site and have an enriching learning experience.