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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.
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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.
संबंधित प्रश्न
Name the following: An offshore oil field in the Gulf of Cambay.
What is the difference between the pattern of settlements in 0725 and the settlement of Idarla?
Name the left bank tributary of the main river.
State the direction in which this left bank tributary is flowing
Describe the importance of colours on the toposheet?
What is a Fire line?
What is a “Topographical Map”?
What is Concave Slope and Convex Slope? Explain?
Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:
- What is the compass direction of Sunset Point from the settlement of Anadra?
- What is the pattern of drainage in grid square 2315?
- Mention any two features seen in the map extract which indicate that the region has seasonal rainfall.
- Calculate the distance, in kilometers, along the metalled road from the causeway in grid square 1715 to the distance stone marked 20 in grid square 1818.
- What advantage does a Representative Fraction have over a verbal scale?
- Give the six figure grid reference of:
- Anjini Devi ka Mandir
- D 1327.
- Name the three different kinds of roads in grid square 2411 and the one in grid square 2515.
- Mention two occupations of the people living in the northern part of the region in the map extract. Give reasons to support your answer.
- What is the difference between the slope in grid square 2115 and the one in 1811? Give a reason for your answer.
- What is the purpose of:
- the fireline in grid square 2316.
- the pipeline in grid square 2209?
- What do the following represent?
- The red square in grid square 2514.
- 4r in grid square 1612,
- Abu is a popular holiday resort. Mention any three features seen in the map extract which attract holidaymakers to Abu.
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.
