Topographical maps

Topographical maps are .... ....maps drawn by survey of India

• Small scale

• Large scale

A total of .....million sheets are drawn to cover our whole country.

• 36

• 34

• 38

4°×4° sheets are called

• Million sheets

• Quarter sheets

• Quadrant sheets

The extent of each Quarter sheet is

• 1°×1° sheets

• 2°×2° sheets

• 4°×4° sheets

Each part of a quarter sheet is called

• Millon sheet

• Quadrant sheets

• Degree sheet

15'×15'sheets are called

• Quarter sheet

• Million sheets

• Quadrant sheets

The vertical and horizontal lines in a topographical map makes a grid called

• Arbitrary grid

• Grid

• Temporary grid

The vertical lines in a topographical map is called

• Longitude

• Eastings

• Northings

Horizontal lines in a topographical map are called

• Latitudes

• Northings

• Longitudes

The south west corner of a toposheet is always taken as starting point or point of reference for the grid.

• True

• False