complete isolation.
Reason (R): There is evidence of a lot of interchange of raw materials of
different types between different areas.
Assertion (A): Prehistoric stages involved constant adjustments with nature
and its resources, as did other stages of human life.
Reason (R): The material remains of early man speak comprehensively about
his life.
Assertion (A): The Paleolithic cultures in different parts of India displayed
absolute uniformity in all their features.
Reason (R): In a broad cultural sense all Stone Ages in India represent the
stage of hunting and gathering.
Assertion (A): Throughout the subcontinent iron led slowly but perceptibly to
the transition from the pre and protohistorical to the historical phases.
Reason (R): The earliest occurrence of iron may said to have been in more
than one region of the Indian subcontinent, almost simultaneously.
Assertion (A): The transition from the Mesolithic to the Neolithic was less a
technological revolu- tion than one in land use.
Reason (R): There was little change in basic social or economic structures
between the Neolithic and the Chalcolithic stages.
Assertion (A): Detailed characterisations of the different pastoral and farming
communities can- not be made accurately.
Reason (R): In some cases we rely on undated surface finds and in others we
lack faunal and botanical evidence on the nature of economy.
Assertion (A): With the coming of iron an unprecedented number of sites
appeared in the Ganga-Yamuna Doab.
Reason (R): The population densities in the Doab even during the early iron
phase were much lower than those in the Harappan civilisation.
Assertion (A): The area between Vidarbha and the southern tip of the Indian
peninsula constitutes a separate cultural zone denoted by various types of
megaliths.
Reason (R): Megaliths were no more than a burial style of the Neolithic-
Chalcolithic phase of the area and formed a part of its cultural milieu for a