Paper 1 is conducted in Computer Based Test (CBT) mode and consists of three subjects: Physics, Chemistry, and Mathematics. Each subject has 20 multiple-choice questions (MCQs) and 10 numerical value questions, out of which candidates must attempt 5. The total marks are 300. Each correct answer carries 4 marks, and 1 mark is deducted for each incorrect MCQ. Numerical questions have no negative marking.