AP TET Paper 2 Social Science Model Paper 1

Concept:The land served by a canal system for irrigation and other purposes is called a command area.Explanation:A command area is the region over which canal irrigation water flows and is supplied for farming and other needs.It includes the total area that the canal network can serve.The main types of command areas are:Gross Command Area (GCA) is the total area that can be irrigated economically from a scheme, ignoring water limits.$GCA = CCA + \text{Uncultivable area}$Culturable Command Area (CCA) is the part of GCA where crops can actually be grown.$CCA = GCA - \text{Uncultivable area}$Net Command Area (NCA) is the CCA left after deducting land occupied by canals and supply ditches.$NCA = CCA - \text{Area occupied by canals and ditches}$Here, the definition clearly matches a command area.Answer:Option C. Command area