Mock tests in UPSC preparation strategies are significant as they simulate the actual examination environment, helping candidates build confidence and time management skills. These tests allow aspirants to practice under pressure, enabling them to become familiar with the exam pattern and question types. Analyzing mock test results helps identify strengths and weaknesses, guiding targeted study efforts. Regular mock assessments facilitate the development of written communication skills essential for mains exams. Ultimately, these tests are valuable tools that enhance preparation through practice, feedback, and refinement of testing strategies, leading to improved performance in the final exam.