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प्रश्न
Which colours are used on toposheets? What is their significance?
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उत्तर
Six colours are used in a survey map to show various features. They are as follows:
Black: All names, river banks, broken grounds, dry streams, surveyed trees, heights and their numbering, railway tracks, telephone and telegraph lines.
Yellow: All cultivated areas.
Green: All wooded/forested areas, scattered trees and scrubs.
Brown: Contour lines, their numbering, stony waste, sand features.
Blue: All water bodies, where they contain water.
Red: Grid lines and their numbering, roads, cart tracks, settlements, huts and other buildings. Note: Sometimes we find white patches here and there to show barren lands.
संबंधित प्रश्न
Name the following: An offshore oil field in the Gulf of Cambay.
Give four grid reference of each of the following:
1) Open scrub
2) Bantawada
Name two relief features that can be seen in grid square 9782 and 9574.
Why do you find limited cultivation in the map extract? Give two reasons for your answer
What do you understand by a causeway?
How is the importance of settlement reflected in a map?
Convert the following scales into R.F.
What are ‘Eastings’ and ‘Northings’?
Name the various types of settlement patterns found on toposheet.
Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:
(a) Give the four figure grid reference of a settlement with
(i) Spot height 261 (ii) Post office.
(b) What is the difference in the pattern of drainage in grid square 1606 and in 1007?
(c) Name two natural features seen in grid square 0910.
(d) Calculate the distance in kilometers along the metalled road from the causeway East of Was to the distance stone 10.
(e)
(i) Which is a universally accepted scale?
(ii) State the length of the given map in kilometers.
(f) Give the six figure grid reference of:
(i) A temple South of Dhavli settlement
(ii) 
277.
(g) Which are the two different kind of roads shown in the map extract?
(h) Mention two main occupations shown on the map extract.
(i) How are the gentle and steep slopes shown on a map?
(j) What do the following mean?
(k) What is the direction of Dattani and Dhavli from Chandela?
(l) Name two man made features in grid square 1210.
(m) What do the words Motorable in dry season in grid square 1701 refer to?
What do they indicate about the rainfall received by the region shown in the map extract?
