Oswaal's CBSE Competency Focused Questions for Class 12 Science (PCB) aligns with the latest board exam pattern, emphasizing competency-based learning. This comprehensive guide features 50% competency-based questions alongside traditional MCQs and case/source-based questions, organized chapter-wise for systematic preparation. Designed for Physics, Chemistry, and Biology students, it bridges conceptual understanding with practical application—essential for scoring well in modern CBSE assessments. Each question type builds critical thinking and analytical skills required for competitive exams and higher studies. Ideal for board exam revision, classroom practice, and self-study. Perfect for students aiming for consistent performance across all three science subjects.