Isolines are lines joining places of same values of a given variable in a map.Isopleth maps are not made using isolines. The size of the dot is decided as per the value of a variable that is freely scattered across the region. In dot method, every dot should have an appropriate scale. Thus, isopleth method maps are not used to show population distribution.Isopleth method maps are used to show the distribution of variables which are continuous.Distribution of a population is discontinuous.Isopleth maps are used to show population distribution.ĭot method maps or choropleth method maps are used to show population distribution distribution of population, domestic animals, etc. When the distribution of a variable is discontinuous, the choropleth method map is used to show its distribution, eg.Isopleth maps use lines joining the locations having equal values and hence are useful to show the change in altitude in the region.When the distribution of a variable is continuous like the altitude, the isopleth method map is used.Isopleth maps and not the choropleth maps are used to show altitude. In other words, each class is used to show the distribution of a particular variable in sub- administrative unit.Ĭhoropleth maps are used to show altitudes.Each class is assigned a unique tint of the same colour or black and white pattern.In choropleth maps, the smallest and the largest values are taken into consideration and after that 5-7 classes are made.In choropleth maps, colours/tints change according to the values of variables. In choropleth maps, colours/tints do not change according to the values of the variables. Thus, in choropleth maps, only one value is assigned to sub administrative unit.ĭistributional Maps Questions And Answers Question 3.
A particular value shown by a predecided tint of colour can represent only a particular region or group of region.Each class is assigned a tint of the same colour or black-and-white patterns.After gathering the data for a selected variable, five to seven classes are made considering the smallest and the largest values.In choropleth maps, the data regarding various geographical variables is shown by shading or using tints of various colours.In choropleth maps, only one value is assigned to the sub-administrative unit. Thus, the main aim of distributional maps is to show the distribution of variables in a particular region. They make use of different methods to show the distribution of variables like temperature, rainfall, population, etc.These maps are prepared with special themes like the distribution of various variables in a particular region.Distribution maps are type of thematic maps.Wrong The main aim of distributional maps is to show the distribution of variables like temperature, rainfall, population, etc. The main aim of distributional maps is to show location. Geography Class 9 Chapter 1 Distributional Maps Question 1. Give reasons why the following sentences are right or wrong: Maharashtra State Board Class 9 Geography Solutions Chapter 1 Distributional MapsĬlass 9 Geography Chapter 1 Distributional Maps Textbook Questions and Answersġ. Balbharti Maharashtra State Board Class 9 Geography Solutions Chapter 1 Distributional Maps Notes, Textbook Exercise Important Questions and Answers.
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