Teaching without learning and inculcating creativity is a source of boredom for the students and ends up with traditional rote learning without any knowledge enhancement to the student. Through our this effort we aim at changing the scenario of teaching entirety. Concept mapping or teaching through connectivity is one of such steps that help the teacher and the learner in making the lectures easier, motivating and constructive. In this model lesson, we tried to make metabolic process and its interrelated variables simple and understandable