Who among the following defines sociology as a science that deals with social groups; their internal formal or modes of organization, the processes that tend to maintain or change these forms of organization and relations between groups?

A. Vertical group B. Horizontal group C. Over-lapping group D. Out group

A. It helps in the development of personality B. It increase efficiency C. It develops sense of contentment D. It helps in the appreciation of view point of the others

A. Group Mind Theory B. Lebon's Theory C. Freudian Theory D. None of the above

A. Church B. Labour union C. Audience D. Crowd