This report evaluates the impact of organisational culture on team behaviour and performance in Tesco. It analyses the importance of motivational theories in attaining goals of the organisation and assesses the difference between effective and ineffective teams. The report also applies the concept and philosophies of organisational behaviour in the business situation. The report covers the Tuck-man's model of team development and explains the theories of motivation, including Maslow's Hierarchy theory and Herzberg's Theory.