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प्रश्न
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.
उत्तर
(a) They are grid lines marked in red on the topo maps. The lines running vertically are called Eastings and those running horizontally are called Northings.
(b)
(i) 20r means that the relative depth of water level in the well is 20m.
(ii) PO is the conventional sign for the Post Office.
(c) East to south-west. It is evident from the decreasing value of the spot heights.
(d) (i) 223214 (ii) 236142
(e)
(i) Andhra is connected by a telephone line and Ghlabganj is not.
(ii) Andhra has a Post and Telegraph Office and Dak Bungalow.
(f) Fireline is clearing of 5 m in the forest to control the spread of forest fire. In the hot dry season these forests often suffer from severe problem of forest fire.
(g)
(i) The Brackish well in 1621 has saline water which is used for lime stock and washing purpose.
(ii) Due to large amount of dissolved salts the water is unfit for drinking.
(h) Cultivation and management of the reservoir.
(i) 12.5 cm/2 = 6.25 km.
(j) N140 W.
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संबंधित प्रश्न
Name the following: An offshore oil field in the Gulf of Cambay.
Give the four figure grid reference of the settlement of Hamirpura.
How does the feature, indicated by the black curves in 0721, show that rainfall in this region is seasonal?
Name two natural features in 0325.
Name the left bank tributary of the main river.
What do you understand by the term Grid?
What is a “Topographical Map”?
The distance is measured on the topographic map. There are two methods of measuring distance on the toposheets,
(i) Direct-method,
(ii) Indirect method.
Measuring straight distance is a direct method and measuring through a winding course is an indirect method. Explain both the methods.
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) The temple in village Dhavli
(ii) ∆ 480
(b) What do the following indicate?
(i) 6r in grid square 1903
(ii) The word Brackish in grid square 1403.
(c)
(i) In grid square 1909, several contours merge at one point. What does this represent?
(ii) State the significance of the red dotted lines in the map extract.
(d) Name the type of rainfall experienced in the region shown in the map extract. Give a reason to support your answer.
(e) How does the drainage pattern in grid square 1606 differ from the drainage pattern in grid square 1708?
(f)
(i) What is the pattern of settlement in grid square 1904?
(ii) Name the settlement that has a post office.
(g) Name two landforms represented by the pattern of contours in grid square 1608.
(h) Calculate the ground distance in kilometres along the metalled road between the causeway in 1502 and the distance stone marked ’14’ in grid square 1203.
(i) State two reasons for the absence of human habitation in the north eastern region of the map extract.
(j)
(i) Mention the difference in height between the highest spot height in the map extract and the contour height in grid square 1006.
(ii) What is the compass direction of Patlawa ka Goliya (590.) from Kacholi Dunga (443.)?
Study the extract for topographical sheet 63K/12 shown in the figure below and answer the following questions.
- Give the height of the highest point on the map.
- River Jamtihwa Nadi is flowing through which quarter of the map?
- Which is the major settlement located in the east of the Kuardari Nala?
- What type of settlement does the area have?
- Name the geographical feature represented by white patches in the middle of Sipu Nadi.
- Name the two types of vegetation shown on part of the topographical sheet.
- What is the direction of the flow of the Kuardari?
- In which part of the sheet area is Lower Khajuri Dam located?
R. F. 1: 50,000
Part of the Topographical Sheet No 63K/12
