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प्रश्न
Write short note on ‘Marginal Information’ in Topographical sheets.
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उत्तर
Marginal Information: It includes the topographical sheet number, its location, grid references, its extent in degrees and minutes, scale, the districts covered, etc. In other words, it provides information related to what exactly a topographical sheet is showing. Without this marginal information, it is not possible to derive any meaning from a topographical sheet.
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संबंधित प्रश्न
Name one offshore oil field of India
Name the following: An offshore oil field in the Gulf of Cambay.
Name the following: An oil refinery in Bihar.
Give the four figure grid reference of the temple in the settlement of Jolpur.
What is the compass direction of Dantrai from Jolpur?
What is the difference between the drainage pattern of the streams in 0624 and those in 0824?
Mention one man-made feature in the map, which also provides evidence that the rainfall is seasonal.
Give the six figure grid reference of Triangulated height 217
Name two relief features that can be seen in grid square 9782 and 9574.
What type of rainfall is experienced in the region shown in the map extract? Justify your answer giving one reason.
Calculate the distance in kilometres along the cart track between Chitrasani (999747) and Pirojpura (978753).
Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:
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- Give the six-figure grid reference for the temple that is located to the southwest of Pithapura settlement. (1)
- Give the four-figure grid reference for a settlement where people of the region meet socially and for trade at least once in year. (1)
-
- What is the pattern of drainage seen in the grid square 2118? (1)
- What is the pattern of settlement seen in the grid square 1923? (1)
- What do each of the two numbers (281 printed in black colour and 20 printed in red colour) in the grid square 1818 indicate? (2)
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- Name any two man-made features in grid square 2419. (1)
- Name any two natural features in grid square 2118. (1)
- What is the significance of the following?
- Fire line in grid square 2417. (1)
- Water body found in grid square 2221. (1)
- Calculate the area of the region between 16 and 19 Eastings and 18 and 22 Northings. Give your answer in square kilometers. (2)
- Give a reason for each of the following:
- The water in some of the wells in the north-west quarter of the map is not fit for drinking. (1)
- The region near Anadra and Gulabgani has many causeways. (1)
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- What is the main means of irrigation used by people living in the area shown on the map? (1)
- What is the main occupation of the people of the region shown on the map? (1)
- Which, according to you, is the most important settlement? Give a reason to support your answer. (2)
- Name any two means of transport used by the people living in the area shown on the map extract. (2)
What are ‘National Grid Reference’?
Describe the importance of colours on the toposheet?
What is a River system.
How is the importance of settlement reflected in a map?
What is a Watershed?
What are ‘Eastings’ and ‘Northings’?
The area is measured by grid square method?
What is a Nodal centre?
(i) On a topographical map two stations A and B are situated at height of 500 metres and 100 metres respectively. If the horizontal distance between them is 2 km, calculate the gradient.
(ii) On a topographical map, two places A and B are given. Calculate the gradient between them.
Give a summary of dimension and scale of topographical maps.
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?
Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:
(a) Give the six figure grid reference of:
(i) Triangulated height 217
(ii) A lined well near Chekhla.
(b)
(i) Name the left bank tributary of the main river.
(ii) State the direction in which this left bank tributary is flowing.
(c)
(i) Mention a special feature associated with the streams in grid square 9879.
(ii) Name the types of drainage pattern found in grid square 9382.
(d) Give the four grid reference of each of the following:
(i) Open scrub
(ii) Bantawada.
(e) Name two relief features that can be seen in grid square 9782 and 9574.
(f) Why do you find limited cultivation in the map extract?
(g) What is the compass direction of Antroli (9576) and Chekhla (9281) from Sangla?
(h) What type of rainfall is experienced in the region shown in the map extract? Justify your answer giving one reason.
(i) Calculate the distance in kilometres along the cart track between Chitrasani (999747) and Pirojpura (978753).
(j)
(i) What is the geographical name that you would give to the general pattern of settlements in the region shown on the map?
(ii) Name one region shown on the map which is unsuitable for the cultivation of crops.
Study the extract of Survey of India Map Sheet No. 45D/7 and answer the following questions.
(a) What do you understand by Eastings and Northings?
(b) Give the meaning of each of the following conventional symbols located in the grid square 1622.
(i) 20r (ii) PO
(c) What is the general direction of flow of the Sipu Nadi, given in the map extract? Give one reason to support your answer.
(d) Give the six-figure grid reference of:
(i) The point where the canal leaves the earth work, dam market 10r.
(ii) The spot height 1425 in the South-east corner of the map extract.
(e) Andhra is a better developed settlement than Gulabganj. Give two reasons.
(f) Account for the necessity of ‘fireline’ in the jungle area of the given map extract.
(g)
(i) What main purpose is solved by most of the wells in grid square 1621?
(ii) Why is the water in some of these wells not suitable for drinking?
(h) Name two probable occupations of the people in the settlement of Tokra in squares 2220 and 2221.
(i) What is the total length of canal in metres?
(j) Give the angular distance of the temple in Pithapura in 2022 from Bhumi Margi hill top.
Study the extract of the Survey of India Map Sheet No. 45D/7 and answer the following questions:
(a) Give the six-figure grid reference of:
(i) ∆ 225 (ii) A lined well near Ganguwada.
(b) Name the most important perennial source of irrigation shown on the map extract.
(c) (i) What does 3r in the grid square 8895 mean?
(ii) What do you mean by 20r in the grid square 8994?
(d) Give two points in evidence to show that the region in the map extract has seasonal rainfall.
(e) (i) What does the blue line in the Varkanala indicate?
(ii) What is the general direction of the Varkanala?
f) (i) What is the meaning of 1 : 50000 printed below the map extract?
(ii) Calculate the distance in km., along the cart track between Jegal in the grid square 8590 and Odhava in the grid square 8892.
(g) Which part of the map is more developed in agricultural occupation? Give a reason for your answer.
(h) Give the four-figure grid reference of confluence of Sipu river and Varkanala.
(i) Name two types of vegetation in the given map extract.
(j) What is the pattern of drainage in the grid square 8599?
(k) (i) How many types of tracks are shown in the map extract? Name them.
(ii) What is the common mode of transportation in the southern part of this map?
(l) What is the general pattern of settlement? Why?
If you are interpreting the cultural features from a topographical sheet, what information would you like to seek and how would you derive this information? Discuss with the help of suitable examples.
