Mock tests play a significant role in UPSC Civil Services exam preparation by simulating the actual examination environment. They help candidates assess their performance, identify strengths and weaknesses, and develop effective test-taking strategies. Regularly practicing through mock tests can enhance time management skills and improve accuracy in responses. The feedback obtained from these tests serves to refine understanding of the syllabus and adapt study plans accordingly. Moreover, mock tests help reduce anxiety by familiarizing aspirants with the exam format, promoting confidence and better performance on the day of the actual exam.