Enzymes - Online MCQs Test - Biology 9th Notes Table of content25 online multiple choice questions from chapter : 6 'enzymes' for class 9th notes, , (sindh board / science group) Enzymes - Online MCQs Test - Biology 9th Notes 25 online multiple choice questions from chapter : 6 'enzymes' for class 9th notes, , (sindh board / science group) 1/25jQuizMe *If the amount of the enzyme is kept constant and the substrate concentration is then gradually increased, the reaction velocity will:increase until it reaches a maximum decrease increase decrease until it reaches a maximum Biology Online Test 9th