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Which statement is correct at both unit and meaning levels in the context of India's size?

Answer and explanation

Correct answer: Area is expressed in square kilometres and coastline in kilometres

The governing measurement concept is dimensional consistency. Area describes the extent of a two-dimensional surface, so it is measured in square kilometres, written as km². Coastline describes a one-dimensional length along the shore, so it is measured in kilometres, written as km. Option A correctly matches each geographical quantity with its unit and meaning. Option B swaps the units and therefore confuses surface measurement with linear measurement. Option C assigns inappropriate units to longitude and boundary, while option D mixes angular coordinates with physical distance and area. A careful reader must identify both what is being measured and the dimension of that measurement before selecting an answer.

Related tags

Measurement UnitsAreaCoastlineSize And ExtentIndia LocationGeographyClass 11 Mcq

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