There are several journals and publications that provide topic-wise revision notes for the Zoology optional subject. These resources can be highly beneficial for UPSC aspirants who have chosen Zoology as their optional subject. Here are some recommended journals and publications:

1. Journal of Zoology:
- The Journal of Zoology is a renowned scientific journal that covers various aspects of animal biology and zoology.
- It publishes research articles, reviews, and short communications on a wide range of topics related to zoology.
- The journal can be a valuable resource for gaining in-depth knowledge and understanding of different zoological concepts.

2. International Journal of Zoology:
- The International Journal of Zoology is an open-access journal that publishes high-quality research papers in all areas of zoology.
- It covers a broad spectrum of topics, including animal behavior, physiology, ecology, taxonomy, and conservation.
- The journal provides detailed and up-to-date information on various aspects of zoology, making it a useful resource for revision purposes.

3. Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology:
- This journal focuses on the molecular and integrative aspects of animal physiology.
- It covers topics such as comparative physiology, molecular biology, biochemistry, and functional genomics.
- The articles published in this journal can provide a deeper understanding of the physiological processes and mechanisms in animals.

4. Animal Behaviour:
- Animal Behaviour is a leading journal in the field of ethology and animal behavior.
- It publishes original research articles, reviews, and commentaries on various aspects of animal behavior, including social behavior, communication, and cognition.
- The journal can be a valuable resource for gaining insights into the behavior and adaptation of different animal species.

5. Conservation Biology:
- Conservation Biology is a multidisciplinary journal that focuses on the preservation and management of biodiversity.
- It covers topics such as conservation genetics, ecology, policy, and sustainable development.
- The journal can provide a comprehensive understanding of conservation principles and practices, which is an important aspect of the Zoology optional subject.

These journals and publications can serve as excellent sources for topic-wise revision notes for the Zoology optional subject. They offer a wealth of information and research findings that can help aspirants in their preparation for the UPSC examination.