Question 1

Question 1What is a 'map'?

Accepted Answer

A map is defined as a representation of the earth's surface or a part of it, showing natural or man-made features, drawn to scale on a flat surface.

Question 2

Question 2State the essential features of a map.

Accepted Answer

The essential features of a map are:TitleScaleDirectionGrid SystemConventional SignsKey or Legend

Question 3

Question 3What do you mean by the 'key' of a map?

Accepted Answer

Key of a map explains the meaning of the symbols that are used in the map. It is also known as legend.

Question 4

Question 4Name the categories into which maps have been classified?

Accepted Answer

On the basis of size, maps can be classified into two categories:Large scale maps (Cadastral maps and Topographical maps)Small scale maps (Atlas maps and Wall maps)On the basis of content and purpose, maps can be classified into three types-Physical mapsPolitical mapsThematic maps

Question 5

Question 5What are the topographical maps?

Accepted Answer

A topographical map shows the surface of the earth in detail. These maps are drawn on a number of sheets where each sheet depicts the details of only one particular part of the whole area. these sheets are joined to give a complete picture of the entire area.Topographical maps show physical features like valleys, hills, peaks etc., as well as man-made features like roads, railways, canals etc.

Question 6

Question 6What is the National Grid Reference (NGR)?

Accepted Answer

Grid lines are imaginary lines drawn on a survey map in red colour. The origin of the Grid is a point south-west of the map. The 'National Grid Reference' is used for indicating the correct position of a particular feature on the map.

Interpretation of Topographical Maps