Discuss symbols as a major component of a map. [V. Imp.]
Drawing different features such as buildings, roads, etc. in their actual shape and size on a map is perhaps not possible. It is therefore, they are shown by using certain letters, shades, colours, pictures and lines. These are symbols that give a lot of information is a limited space. With the use of these symbols, maps can be drawn easily and are simple to read. These symbols help us greatly in a situation when we don't know the language of an area and therefore cannot ask someone for directions. We can collect information from maps with the help of these symbols.
Maps have a universal language, known and understood by all. There is an international agreement regarding the use of these symbols, which are known as conventional symbols.
Fill in the blanks with appropriate words to complete each sentence:
(i) A……….. is used to show large areas like continents or countries on a paper.
(ii) A………. is an instrument used to find out main directions.
(iii) Maps have a…………. language that can be understood by all.
(iv) In a sketch match …………. is not needed.
(v) Maps are more informative than a …………
State whether these sentences are true (T) or false (F).
(i) A globe is used to study the earth as a whole.
(ii) Political maps show natural features of the earth.
(iii) A large scale map is used to show large areas like countries on a paper,
(iv) There are four intermediate directions.
(v) Large scale maps give less information than small scale maps.
What colours are used for the following:
(i) mountains
(ii) plains
(iii) plateaus
(iv) water bodies
Answer the following questions briefly:
(a) What are the three components of a map?
(b) What are the four cardinal directions?
(c) What do you mean by the term ‘the scale of the map'?
(d) How are maps more helpful than a globe?
(e) Distinguish between a map and a plan.
(f) Which map provides detailed information?
(g) How do symbols help in reading map?
Look at the Figure and find out:
(i)In which direction is the river flowing?
(ii)What kind of road passes by the side of village Dumri?
(iii)On what type of railway line is Sunderpur situated?
(iv) On which side of the railway bridge is police station situated?
(v)On which side of the railway line do the following lie:
(a) Chhatri (b) Church
(c) Pond (d) Mosque
(e) River (f) Post and Telegraph Office
(g) Graveyard.