- NCERT Biology textbooks for classes 11 and 12 are considered the foundation for UPSC preparation in biology.
- These books cover the fundamental concepts and principles of biology in a clear and concise manner.
- Topics such as cell biology, genetics, ecology, plant physiology, and human physiology are covered comprehensively in these textbooks.
- NCERT textbooks are highly recommended as they provide a strong base for understanding complex topics.


- This book by Shankar IAS Academy is a comprehensive guide specifically designed for the UPSC exam.
- It covers all aspects of the environment section, including topics like biodiversity, climate change, conservation, and environmental policies.
- The book provides in-depth explanations, case studies, and practice questions to enhance understanding.
- It is considered one of the best resources for covering the environmental section of the UPSC exam.


- Stay updated with current affairs related to biology and the environment through newspapers, magazines, and online platforms.
- Read articles and reports on topics such as environmental issues, biodiversity conservation, climate change, and recent scientific advancements.
- Make notes of important information, statistics, and government initiatives related to biology and the environment.


- Utilize online study materials available on reliable platforms like EduRev.
- These platforms offer a wide range of study materials, notes, and practice questions specifically tailored for the UPSC exam.
- Explore video lectures, quizzes, and mock tests to enhance your understanding and test your knowledge.


- Solve previous year question papers to get an idea of the type of questions asked in the UPSC exam.
- Analyze the pattern and focus on the important topics that are frequently asked.
- This will help you identify your strengths and weaknesses and work on areas that require more attention.

Remember, while selecting study materials, it is important to focus on quality rather than quantity. Stick to a few reliable sources and revise them thoroughly. Regular practice and consistent revision will contribute to your success in the biology and environmental section of the UPSC exam.