Yes, you can solve previous years' question papers for UPSC Medical Science Optional subject in a timed manner to develop your time management skills. Here's how:

1. Familiarize Yourself with the Syllabus:
- Start by thoroughly understanding the syllabus of the Medical Science Optional subject for UPSC.
- Divide the syllabus into different topics and subtopics to have a clear understanding of the subjects you need to cover.

2. Collect Previous Years' Question Papers:
- Gather the previous years' question papers for the Medical Science Optional subject.
- You can find these papers on the official UPSC website or other reliable sources like EduRev.

3. Set a Timed Practice Schedule:
- Allocate specific time slots for solving each question paper.
- Practice solving the papers within the time frame similar to the actual UPSC exam.

4. Simulate Exam-like Conditions:
- Create an environment similar to the actual exam conditions.
- Sit in a quiet place, away from distractions, to focus solely on solving the papers.
- Use a timer to track your time and simulate the exam time constraints.

5. Solve the Papers:
- Start by solving the papers one by one, following the time limits set.
- Read each question carefully and understand the requirement before attempting an answer.
- Try to answer the questions using your knowledge and understanding of the subject matter.

6. Evaluate Your Performance:
- Once the time is up, stop solving the paper and evaluate your performance.
- Compare your answers with the provided answer key or seek guidance from mentors if required.
- Analyze your mistakes and areas where you need improvement.

7. Focus on Time Management:
- Pay attention to the time taken for each question and the overall time utilized for the entire paper.
- Identify questions that took longer to answer and find ways to improve your speed and accuracy.
- Practice time management techniques like skipping difficult questions and coming back to them later if time permits.

8. Repeat the Process:
- Continue solving previous years' question papers in a timed manner regularly.
- Gradually increase the complexity of the papers to challenge yourself and improve your time management skills.

By following these steps, you can effectively utilize previous years' question papers to enhance your time management skills for the UPSC Medical Science Optional subject. Remember to stay consistent and dedicated in your practice to achieve the desired results.