Question

Datum line:

  1. is a horizontal line from where heights and depths are measured
  2. is the line of demarcation between Pakistan and India
  3. refers to the date line or calendar line
  4. is an imaginary line which passes through zero degree meridian

Answer:

Option A: is a horizontal line from where heights and depths are measured

Detailed Solution:

The correct answer is “is a horizontal line from where heights and depths are measured”.

A datum line is a reference line used in mapping and surveying from which elevations (heights) and depths are measured.