a. Name the organisation which prepares topographical maps of India.
b. Why do people prefer living near sea shores, river basins and closer to metal
c. What are the two types of grid figure references?
d. Name the elements of the marginal information on a topographical map.
e. Name the four types of drainage pattern.
Answers
Answer:
a. Geographical Survey of India organisations prepares topographical maps of India.
B. People also prefer to stay near sea shores as ports and harbours enable them to transport goods to distant lands. Metalled roads does not get damaged during the rainy season and it is easier for vehicals to transport goods across distances. Hence people prefer to stay closer to metalled roads.
C. There are two main types of grid reference: four-figure grid reference, such as '19 45', indicates a 1 km by 1 km square on the map; and. six-figure grid reference, such as '192 454', indicates a 100 m by 100 m square on the map.
D. Some elements of marginal information on topographic maps are the scale note, bar scale, contour interval note and the legend.
E. There are 4 types of drainage patterns on the basis of their flowing pattern-dendritic, trellis, radial and rectangular.
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