NCERT Biology Class 12th Textbook is a free and offline application that provides a comprehensive study guide for the 12th class of biology. The app has been designed in an easy and simple manner so that even the students of class 12th biology can understand and utilize the information quickly. 

The study guide has been divided into different topics, which include: reproduction in animals and plants, human reproduction, principles of inheritance, variation and selection, ecosystems, human health and disease, strategies for improvement in food production, and microbiology. Furthermore, each topic is explained in detail with the necessary concepts.