Yes, there are online platforms that offer mock tests specifically for UPSC sociology optional. One such platform is EduRev.

Benefits of Online Mock Tests:
- Online mock tests provide an opportunity for UPSC sociology optional aspirants to assess their preparation level and identify their strengths and weaknesses.
- It helps in understanding the exam pattern and time management skills.
- It provides a real exam-like experience, thereby reducing exam anxiety and boosting confidence.
- Mock tests also help in improving speed and accuracy, which are crucial for the UPSC exam.

Features of EduRev's UPSC Sociology Optional Mock Tests:
1. Comprehensive Coverage: EduRev's mock tests cover the entire syllabus of UPSC sociology optional, ensuring that aspirants are well-prepared for the exam.

2. Diverse Question Bank: The platform offers a vast question bank comprising a variety of questions, including multiple-choice questions (MCQs), descriptive questions, and case studies. This helps aspirants to practice different types of questions and develop a better understanding of the subject.

3. Time-bound Practice: EduRev's mock tests are designed to be time-bound, replicating the real exam conditions. This allows aspirants to practice managing their time effectively and answering questions within the given time frame.

4. Performance Analysis: After completing a mock test, aspirants receive a detailed performance analysis report. This report highlights their strengths and weaknesses, provides insights into their performance in different topics, and suggests areas for improvement.

5. Comparative Analysis: EduRev's platform also provides a comparative analysis feature, which enables aspirants to compare their performance with that of other test-takers. This helps them gauge their performance at a national level and understand where they stand among their peers.

6. Accessible Anytime, Anywhere: The online nature of EduRev's mock tests allows aspirants to access them anytime and anywhere, as long as they have an internet connection. This flexibility enables aspirants to practice and revise at their convenience.

7. Regular Updates: The question bank of EduRev's mock tests is regularly updated with new questions and relevant content, ensuring that aspirants have access to the latest and most relevant study material.

In conclusion, EduRev is an online platform that offers comprehensive mock tests specifically designed for UPSC sociology optional. These mock tests provide aspirants with an opportunity to assess their preparation level, practice time management skills, and improve their performance in the actual exam.