Question

Study the extract of the Survey of India map sheet no: G43510 - Map 8 and answer the following questions (Eastings 52 to 60 and Northings 26 to 36):

1. If a man were to walk from settlement Dhann to Dadarla:
   1. In which direction would he be walking?
   2. What kind of road would he be using?
   3. What is the distance travelled by him (in kilometres) along the road?
2. 1. How are gentle and steep slopes represented in a topo map?
   2. What is the meaning of 14 r in four figure grid reference 5333.
3. What is the difference in drainage pattern between grid references 5427 and 5434?
4. Define Contour interval. What is the contour interval of the map given to you?
5. Give the four figure grid reference of the following:
   1. Largest area under broken ground.
   2. Confluence of Sipu Nadi and Dior Nadi.
6. 1. Give two probable reasons other than dry water features, to indicate that the region depicted on the map extract receives seasonal rainfall.
   2. Give reason - The region between settlement Selwara and grid square 5326 has number of Causeways.
7. What is the difference in settlement pattern found at Selwara and in four figure grid reference 5331 respectively?
8. 1. What is a Diggi (5835)?
   2. What is a rocky knob (5535)?
9. What is the aerial distance in kilometres between the Chhatri at Dhandhpur (5826) to the temple at Dhann (5234)?

Answer 1

1. 1. South East
   2. Cart track
   3. 4 km
2. 1. Gentle slopes are represented by widely separated contour lines, and steep slopes are represented by closely spaced contour lines.
   2. Relative depth of the lined perennial well is 14 meters.
3. 1. 5427 is Radial drainage
   2. 5434 is Dendritic drainage
4. The difference in height between two successive contour lines is called contour interval. The contour interval is 20 meters.
5. 1. 5332
   2. 5930
6. 1. Broken grounds, Causeways
   2. Several seasonal streams flow across the metalled road. Causeways are created to allow vehicles to travel freely on the metalled road above these streams.
7. Selwara is permanent nucleated settlement.
   5331 is permanent dispersed settlement.
8. 1. Diggi - Tank used to store rain water forirrigation.
   2. Rocky knob -A protruding part of a rock overlooking a valley.
9. 9.5 km