Available Answers

1. 1.

   Fill in the blanks.

   1. A contour line is an imaginary line that connects all points having the same _____________.
   2. In a grid system of a topo sheet, the lines that run vertically are called _____________
   3. Contour lines do not ____________ one another.
   4. The cntour lines of all hill are evenly spaced in the form of ____________.
   5. Houses or huts in ____________ settlement are far apart from one another.
2. 2.

   Match the following.

   A	B
   1. 45D/7	(i) to begin reading a topo sheet
   2. south-west corner	(ii) depression
   3. Δ217	(iii) topo sheet number
   4. white portion in a topo sheet	(iv) triangulated station
   5. DEP	(v) barren land

    

3. 3.

   Choose the correct answer.

   1. The contour lines for this feature are evenly spaced in the form of concentric circles
      1. conical hill
      2. plateau
      3. ridge
      4. saddle
   2. The contours for this feature are oval with contours close to each other indicating steepness.
      1. conical hill
      2. plateau
      3. ridge
      4. saddle
   3. This feature can be identified by a drop in height of the colours
      1. conical hill
      2. ridge
      3. col
      4. gap
   4. The green area in a topo sheet indicates
      1. settlement
      2. barren land
      3. cultivated land
      4. vegetation
   5. On the topographical map these water bodies are shown in black colour
      1. dry streams
      2. tank
      3. settlement
      4. river
4. 4.

   State whether the following are true or false.

   1. A contour line is an imaginary line that connects all points having the same temperature
   2. The lines that run vertically are called nothings
   3. Contour lines are drawn at fixed intervals
   4. A gap is a low-lying depression or a valley cuts through a range of hills.
   5. A spot height on a map is indicated with a small triangle followed by the number.
5. 5.

   What do topographical maps show?

6. 6.

   What is a contour line?