A highly effective way to manage the clock is the Two-Pass Approach:
Pass 1 (First 90 Minutes): Read through all 125 questions. Answer everything you are 100% confident about instantly. Skip anything that requires heavy calculation or deep thinking. (This ensures you don't miss easy questions hiding at the end of the paper).
Pass 2 (Remaining 90 Minutes): Revisit the flagged questions. This is where you spend time on Pharmaceutics numerical, tricky Chemistry mechanisms, or lengthy Pharmacology application questions. Eliminate options and make educated attempts