Understanding and answering questions related to animal conservation in Paper I of UPSC Zoology Optional subject require a comprehensive understanding of the subject matter and the ability to critically analyze and evaluate different conservation strategies. Here are some specific tips to excel in this section:

1. Thoroughly study the concepts and theories: Start by building a strong foundation of concepts related to animal conservation. Understand the principles of conservation biology, ecological processes, and the factors affecting biodiversity loss. Familiarize yourself with key terms, theories, and frameworks in this field.

2. Stay updated with current affairs: Read newspapers, scientific journals, and magazines to stay updated with the latest developments and issues in animal conservation. Focus on case studies, success stories, and challenges faced in different regions. This will help you provide relevant and up-to-date examples in your answers.

3. Analyze case studies: Practice analyzing case studies related to animal conservation. Understand the context, identify the key issues, and evaluate the effectiveness of different conservation strategies employed. This will enhance your critical thinking skills and help you answer questions that require an in-depth analysis of real-life scenarios.

4. Understand conservation policies and legislation: Gain knowledge about national and international policies and legislation related to animal conservation. Familiarize yourself with important conventions, acts, and organizations working in this field. This will enable you to discuss the legal frameworks and policy implications of conservation efforts.

5. Develop a multidisciplinary approach: Animal conservation involves various disciplines such as ecology, genetics, economics, sociology, and policy-making. Understand the interdisciplinary nature of this subject and integrate knowledge from different fields to provide comprehensive answers. This will demonstrate a holistic understanding of the topic.

6. Practice answer writing: Regularly practice writing answers to previous years' question papers and mock tests. Focus on structuring your answers effectively, providing logical arguments, and supporting your points with relevant examples and data. This will improve your writing skills and help you manage time during the exam.

In conclusion, mastering the questions related to animal conservation in UPSC Zoology Optional Paper I requires a deep understanding of the subject matter, staying updated with current affairs, analyzing case studies, being familiar with policies and legislation, adopting a multidisciplinary approach, and practicing answer writing. These tips will help you excel in this section and secure a good score in the exam.