Correct Answer:
Option D - Primary objective of surveying–The object of a survey is to prepare plan or map so that it may represent the area on a horizontal plane. A plan or map is the horizontal projection of an area and shows only horizontal distances of the points.
D. Primary objective of surveying–The object of a survey is to prepare plan or map so that it may represent the area on a horizontal plane. A plan or map is the horizontal projection of an area and shows only horizontal distances of the points.