Practicing CBSE Class 12 Biology Paper 2 Previous Year Question Paper 2025 allows students to simulate real exam conditions before the final board exam. Solving the paper under timed conditions enhances answer presentation and reduces exam stress. It also helps students revise important definitions, diagrams, and biological processes effectively. Understanding the CBSE marking scheme through previous year papers enables students to structure answers properly. Overall, Biology Paper 2 is a valuable revision tool that supports smart preparation and helps students achieve higher scores in the Class 12 Biology examination.