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ICSE-X-Geography

01: Map Study: Interpretation of Topographical Maps Class 10 Geography

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    Section : A
    Very Short Questions
  • Qstn #1
    What is a Flat land?
    Ans :
    Land varying between 20 metres to 40 metres above sea level, is called flat land. This type of area has sufficient slope for natural drainage. This area is generally suitable for farming.
  • Qstn #2
    What do you understand by the term Grid?
    Ans :
    A Grid is a set of lines used to find the exact location of places on a map. Most maps use the grid formed by latitudes and longitudes to find places.
  • Qstn #3
    What are ‘National Grid Reference’?
    Ans :
    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.
  • Qstn #4
    Describe the importance of colours on the toposheet?
    Ans :
    The use of various colours are essential to show the various features on the toposheet e.g. the cultivated area is always shown by the yellow colour and the green colour on the toposheet, shows the forested and wooded area.
  • Qstn #5
    What do you understand by a causeway?
    Ans :
    It is raised metalled road constructed over a stream, river, railway line or low lying marshy area.
  • Qstn #6
    What is a Fire line?
    Ans :
    Fire line is the path which is cleared around the forest to prevent the spreading of fire.
  • Qstn #7
    What is a River system
    Ans :
    Rivers generally rise on slopes and are joined by a large number of other small rivers or streams. The entire area drained by a rivet and its tributaries is called a river system.
  • Qstn #8
    How is the importance of settlement reflected in a map?
    Ans :
    The importance of settlement is reflected by its size and the number of routes which meet there.
  • #
    Section : B
    Short Questions
  • Qstn #1
    What is a “Topographical Map”?
    Ans :
    Topographical map gives detailed information about physical features and man made features of a small area. Physical features are depicted by contours. Cultural or man made features are represented by symbols called conventional signs.
  • Qstn #2
    What is a scale?
    Ans :
    A scale is very essential for a map because it represents a large area of a country on a small piece of paper. A scale is the ratio between any two points on a map to the corresponding distance between the same two points on the actual ground.
  • Qstn #3
    What are the three methods of indicating scale on maps?
    Ans :
    Three methods of indicating scale on maps are:
    1. By a statement
    2. By representative fraction
    3. By graphical scale or linear scale.
  • Qstn #4
    Convert the following scales into R.F.
    Ans :
    If a scale is 2 cm, to 1 km, calculate the R.F.
    R.F. = (Distance on the map)/(Distance of the ground)
    ⇒ 2 cm/1 km = 2 cm/(1000 × 100 cm)
    ⇒ 1/50,000 = 1 : 50,000
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