There are several mock tests available for practicing UPSC Mathematics Optional mathematical biology questions. These mock tests are designed to help candidates prepare for the UPSC examination and assess their understanding of mathematical biology concepts. Below are the details of these mock tests:

1. UPSC Mathematics Optional Mock Tests:
These mock tests are specifically tailored for UPSC Mathematics Optional aspirants. They cover a wide range of topics related to mathematical biology, including population dynamics, epidemiology, genetics, and mathematical modeling in biology. These tests are designed to simulate the actual UPSC examination and provide candidates with an opportunity to practice solving mathematical biology questions in a timed environment.

2. EduRev Mock Tests:
EduRev is a popular online learning platform that offers a wide range of resources for UPSC aspirants. They provide mock tests for various optional subjects, including Mathematics Optional. These mock tests include a dedicated section for mathematical biology questions, allowing candidates to practice and improve their skills in this specific area.

3. Previous Year Question Papers:
Another valuable resource for practicing mathematical biology questions is the previous year's UPSC question papers. These question papers can be obtained from the official UPSC website or other reliable sources. By solving these papers, candidates can familiarize themselves with the type and format of mathematical biology questions asked in the UPSC examination.

4. Online Study Communities:
There are several online study communities and forums where UPSC aspirants gather to discuss and share resources. These communities often provide mock tests and practice questions for various optional subjects, including mathematical biology. Joining these communities can be beneficial as candidates can interact with like-minded individuals, exchange study materials, and access mock tests specifically designed for UPSC Mathematics Optional.

In conclusion, there are numerous mock tests available for practicing UPSC Mathematics Optional mathematical biology questions. These tests not only help candidates gauge their preparation level but also provide a platform to improve their problem-solving skills in mathematical biology. It is recommended that candidates utilize these resources effectively to enhance their chances of success in the UPSC examination.