Class 11 Sociology Chapter 2 Terms Concepts and Their Use PDF NCERT Solutions for Class 11 Introducing Sociology. Chapter 2 Terms Concepts and Their Use in Sociology. PDF Download Free. NCERT Solutions for Class 11 Introducing Sociology Chapter 2 Terms Concepts and Their Use in Sociology PDF Download Free Chapter 1 Sociology and Society Chapter 2 Terms Concepts and their use in Sociology Chapter 3 Understanding Social Institutions Chapter 4 Culture and Socialisation Chapter 5 Doing Sociology Research Methods NCERT Solutions PDF