Question
A dam is a barrier across flowing water that obstructs, directs or retards the flow. often creating a reservoir, lake or impoundment. "Dam" refers to the reservoir rather than the structure. Most dams have a section called a spillway or weir over which or through which it is intended that water will flow either intermittently or continuously. Dams are classified according to structure, intended purpose or height. Based on structure and the materials used, dams are classified as timber dams, embankment dams or masonry dams, with several subtypes. According to the height, dams can be categorised as large dams and major dams or alternatively as low dams, medium height dams and high dams
i. What does the word 'Dam' actually refer to? (1)
ii. Mention any one benefit of a Multi-purpose River Valley Project. (1)
iii. How have multi-purpose river valley projects a cause of social movements?
Explain. (2)

Answer

i. "Dam" refers to the reservoir rather than the structure or a dam is a barrier across flowing water that obstructs, directs or retards the flow, often creating a reservoir, lake or impoundment.
ii. a. Dams are used for electricity generation.
b. Dams are used for irrigation purpose.
c. Any other relevant point.
Any one point to be mentioned.
iii. a. Large scale displacement of local communities.
b. Local people had to give up their land and livelihood.
c. Local people lost control over their meagre resources for the greater good of the nation.
d. Any other relevant point.
Any two points to be mentioned.

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  1. German people wanted to conquer more regions.
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  3. German people have realised that a free economic system is the only means to engender national feeling.
  4. German people realised that a free economic system is obstacle to develop nationalism.
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