Yes, there are mock test series available for the sociology optional subject of the UPSC exam that provide detailed explanations for their answers. One such platform that offers comprehensive mock test series with detailed explanations is EduRev.

Benefits of Mock Test Series with Detailed Explanations:
- Mock test series with detailed explanations help candidates to assess their understanding of the subject and identify their strengths and weaknesses.
- The detailed explanations provided for each answer help candidates to learn from their mistakes and understand the correct approach to solve the questions.
- These test series also help candidates to improve their time management skills and develop an exam-oriented approach.
- The detailed explanations provided for the answers help candidates to gain a deeper understanding of the concepts and theories in sociology.

Features of EduRev's Mock Test Series for Sociology Optional:
- EduRev's mock test series for sociology optional is designed by experienced subject experts and toppers, ensuring the highest quality of questions and explanations.
- The test series covers all the major topics and sub-topics of the sociology optional syllabus, providing comprehensive coverage.
- The questions in the test series are in line with the pattern and difficulty level of the UPSC exam, giving candidates a real exam-like experience.
- Each question in the mock test series is accompanied by a detailed explanation that not only provides the correct answer but also explains the underlying concepts and theories.
- The explanations are written in a clear and concise manner, making it easy for candidates to understand and grasp the concepts.
- The mock test series also provide performance analysis and feedback, helping candidates to track their progress and focus on areas that require improvement.

In conclusion, mock test series with detailed explanations for sociology optional are beneficial for UPSC aspirants as they help in self-assessment, understanding of concepts, and improving exam preparation. EduRev's mock test series for sociology optional is a reliable platform that offers comprehensive coverage, real exam-like experience, and detailed explanations to help candidates excel in the UPSC exam.