In their book 'Symmetrical Family' Young and Willmott attempt to trace the development of the family from pre-industrial.

Who among the following has considered that history fluctuates between two kinds of culture-sensate and ideational during the phase of social change?

A. Comte

B. Spencer

C. Hobhouse

D. Sorokin

Hindu Marriage Act of 1955, permits divorce on the grounds of

A. Insanity, leprosy and adultery

B. Economic incompetence and non-religiousness

C. Insanity and illiteracy

D. Gambling, alcoholism, insanity

Networks can exist in which of the following set of environments?

A. Unstructured

B. Structured

C. Highly formalised

D. Unstructured and highly formalised

Which one of the following is correct with regard to the difference between a proletariat and a slave?

A. Proletariat is a free wage labourer while slave is not

B. Proletariat is urban while slave is rural

C. Proletariat owns some land while slave does not

D. There is no difference between the two