Class 10 Topographical Maps Mock Test (ICSE)

Topics in Topographical Maps

• Scale and its types
• Survey of India toposheets
• Conventional colours and symbols
• Grid references and eastings and northings
• Contours and relief features

Topographical Maps practice questions with answers

1. Q1Multiple choice·1 mark
   If the Representative Fraction (RF) of a map is given as $1 : 50000$, what distance on the ground is represented by $1\text{ cm}$ on the map?

   1. (a)$5\text{ km}$
   2. (b)$0.5\text{ km}$
   3. (c)$0.05\text{ km}$
   4. (d)$50\text{ km}$
   Show answer and step marks

   1. Correct option: (b) $0.5\text{ km}$. Convert $50000\text{ cm}$ to kilometers by dividing by $100,000$, which gives $0.5\text{ km}$ ($50000 / 100000 = 0.5$).+1

   Answer: (b)
2. Q2Multiple choice·1 mark
   Which of the following relief features is represented on a topographical map by a contour pattern showing a dip or low pass between two adjacent peaks or hills?

   1. (a)A plateau
   2. (b)A vertical cliff
   3. (c)A ridge
   4. (d)A saddle or col
   Show answer and step marks

   1. Correct option: (d) A saddle or col. A saddle or col represents a low-lying pass or dip situated between two higher elevations or peaks, distinct from a ridge or plateau.+1

   Answer: (d)
3. Q3Multiple choice·1 mark
   What does the topographical sheet number prefix and suffix (such as $45\text{ D}/7$) published by the Survey of India primarily indicate?

   1. (a)The latitudinal and longitudinal extent and specific grid quadrant of the map
   2. (b)The exact population density and soil classification of the area
   3. (c)Only the state and district code of the mapped region
   4. (d)The meteorological data and annual rainfall records
   Show answer and step marks

   1. Correct option: (a) The latitudinal and longitudinal extent and specific grid quadrant of the map. Recognize that Survey of India toposheet numbers follow an international map numbering system indicating degree sheets, quadrant letters, and subdivision numbers corresponding to specific latitude-longitude locations.+1

   Answer: (a)
4. Q4Multiple choice·1 mark
   On a Survey of India topographical map, which features are conventionally shown in red ink?

   1. (a)Reserved forests and cultivated agricultural land
   2. (b)Contours, spot heights, and rock outcrops
   3. (c)Grid lines (eastings and northings), cart tracks, and metalled roads
   4. (d)Perennial water bodies and perennial rivers
   Show answer and step marks

   1. Correct option: (c) Grid lines (eastings and northings), cart tracks, and metalled roads. Identify that conventional signs in red ink represent grid lines, cart tracks, metalled roads, and some settlement details.+1

   Answer: (c)

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