Question

Which of the following organisations prepare topographical maps of India ?
A.Geographical Survey of India
B.Survey of India
C.Geological Survey of India
D.Archaeological survey of India

Answer 1

Hint:What is a map? This question will arise in our mind. A map is a diagrammatic representation of a large area. There are three major components in a map which includes direction, distance and symbol . It also represents the three dimensional object in a two dimensional paper.

Complete answer:
Maps are drawings which provide an entire world in a paper. Generally ,there are six types of maps. They are Reference maps, Cadastral maps, Thematic maps , Topographic maps, navigation maps , series maps.
What is a topographical map ? This question will arise in our mind. Topographical maps provide the exact features of Earth in a two dimensional manner. It provides exact information about the topography of the land.

What is meant by topography ? This question will arise in your mind. Topography is the art and science of making maps which shows the height and shape of the land. Contour lines are used to indicate the height of landforms. There are four major types which includes maps for Landforms (valleys, hills, gullies) , water resources ( swamps , rivers ) , vegetation (national parks, plantation )and man made infrastructures (buildings and roads ).

Let us discuss the organisations which prepare maps . Archaeological survey of India prepares the archaeological researches. Archaeological survey involves the study of ancient cultures. Geological survey is the scientific study of geology present beneath the surface. Geology is the study of underground physical structures. They prepare maps for mines. Survey of India is an India's engineering agency which is responsible for making maps and surveys. They prepare the topographical maps.

Hence, the correct answer is option (B).

Note:There are several survey organisations in India which prepare different kinds of maps. The topographical maps are prepared by the organisation Survey of India. It is used to find the height and shape of different landforms.