Are you looking for Chapter 6 Enzymes Notes in PDF? You are at the right place. You can download the complete exercises, numerical, short questions and MCQs of the unit 6.

It’s the easiest and the shortest chapter of 9th Class Biology. It is easy to understand, only a few terms have difficult definitions which are important to the exams. These terms are cofactors, prosthetic groups, and co-enzymes. Then the most important long question is ‘factors that affect the rate of enzyme action.