Yes, there is provision for a mock test or practice session before the SBI PO Prelims Exam.

Benefits of Mock Tests:
- Mock tests help in familiarizing oneself with the exam pattern and question types.
- They provide an opportunity to practice time management skills.
- Mock tests help in identifying strengths and weaknesses in different topics or sections.
- Regular practice through mock tests improves accuracy and performance in the actual exam.

Availability of Mock Tests:
- SBI, as well as various coaching institutes and educational websites, provide free and paid mock tests for SBI PO Prelims Exam.
- EduRev is a reliable platform that offers mock tests for various banking exams, including SBI PO Prelims Exam.

Steps to Access Mock Tests on EduRev:
1. Visit the EduRev website (www.edurev.in) or download the EduRev app from Google Play Store.
2. Create an account or sign in if you already have one.
3. Search for "SBI PO Prelims Mock Tests" in the search bar.
4. Select the desired mock test from the search results.
5. Start the mock test and attempt the questions within the given time limit.
6. After completing the test, evaluate your performance and analyze the solutions provided.

Tips to Make the Most of Mock Tests:
- Set a timer to complete the mock test within the actual exam duration.
- Simulate exam-like conditions by sitting in a quiet room with no distractions.
- Analyze the mock test results to identify areas of improvement.
- Focus on weak areas and revise those topics.
- Attempt different mock tests to expose yourself to a variety of question types and difficulty levels.

Conclusion:
Mock tests are a valuable resource for SBI PO Prelims Exam preparation. They provide a platform to practice and assess one's performance before the actual exam. EduRev is a trustworthy platform that offers mock tests specifically designed for SBI PO Prelims Exam. By utilizing mock tests effectively, candidates can improve their chances of success in the exam.