UPSC Prelims 1997·GS1·geography·climatology

Daily weather map showing isobars is an example of

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Last updated 23 May 2026, 3:31 pm IST
  1. AChoropleth map
  2. BIsopleth mapCorrect
  3. CChorochromatic map
  4. DChoroschematic map

Explanation

The correct answer is B because an isopleth map uses lines to connect points of equal value for a specific phenomenon. The prefix iso means equal. In a weather map, isobars are lines that connect locations with the same atmospheric pressure. Other common examples of isopleth maps include isotherms for temperature and isohyets for rainfall. Option A is incorrect because choropleth maps use shading or coloring to represent data within predefined administrative boundaries like states or districts. Option C refers to maps using colors to show qualitative distributions like soil or vegetation types without using lines of equal value. Option D refers to maps using symbols to represent the distribution of specific items like minerals or industries.
geography: Daily weather map showing isobars is an example of
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