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Question
What do you mean by ‘Marginal Information’?
Solution
Marginal Information can be obtained from the margin of the sheet. The name of the state to which the area belongs is given at the top of the sheet. The year when the area was surveyed is also mentioned. The number of the sheet is given in the right hand top comer. The direction of the magnetic variation and true north position is also given in the right hand top corner.
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(i) What is the importance of a Relief Map.
(ii) How can we show occupations by the evidences of names or by inference of relief features?
Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions:
(a) What is the compass direction of Sunset Point from the settlement of Anadra?
(b) What is the pattern of drainage in grid square 2315?
(c) Mention any two features seen in the map extract which indicate that the region has seasonal rainfall.
(d) 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.
(e) What advantage does a Representative Fraction have over a verbal scale?
(f) Give the six figure grid reference of:
(i) Anjini Devi ka Mandir
(ii) D 1327.
(g) Name the three different kinds of roads in grid square 2411 and the one in grid square 2515.
(h) Mention two occupations of the people living in the northern part of the region in the map extract. Give reasons to support your answer.
(i) What is the difference between the slope in grid square 2115 and the one in 1811. Give a reason for your answer.
(j) What is the purpose of:
(i) the fireline in grid square 2316.
(ii) the pipeline in grid square 2209?
(k) What do the following represent?
(i) The red square in grid square 2514.
(ii) 4r in grid square 1612,
(l) Abu is a popular holiday resort. Mention any three features seen in the map extract which attract holiday makers to Abu.
Study the extract of the Survey of India Map Sheet No. 45D/10 and answer the following questions: (Map G)
(a) Give the four-figure grid reference of:
(i) Dadarla (ii) Bhamra
(b) Which is the largest settlement shown on the map extract? Which one communication facility is exclusively available to this settlement?
(c) What does RF stand for? State the RF of the map provided to you.
(d) What is the total area of the actual ground represented in the map extract? (Show with the help of a simple calculation)
(e) What is meant by ‘contour interval’? State the contour interval of the toposheet provided to you
(f) State the highest and the lowest spot heights found on the map extract. Also mention whether they are in metres or in feet.
(g) Give the six-figure grid reference of:
(i) Spot height 339 (ii) Permanent hut located near Dhad Talao.
(h) What, according to you is the main (i) occupation, and (ii) religion of the people of the above area?
(i) Name one ‘natural’ and one ‘man-made’ source of irrigation used in this region.
(j) Name the general mode of transportation used in this region. What special feature of this mode is mentioned in the map extract?
Study the extract of the Survey of India Map Sheet No. 45 D/7 (A – B) and answer the following questions:
(a) (i) What does the abbreviation R. F., stand for?
(ii) What does 20r (grid sq. 8295) mean.
(iii) What does V near Shergadh village in the south-east corner mean.
(b)
(i) What type of relief do you observe in north-west of the map (West Panswala)?
(ii) Why is the land shown in white shade not put to cultivation?
(c)
(i) What seems to be the importance of village Jegol in grid sq. 8590 in the south?
(ii) Find out the length of the joint stream of rivers Sipu, Varka and Hanva.
(d) What type of relief feature is found close to Varkanala and Hanvanala near Gangudra in the centre of the area?
(e) Give four figure grid reference of a well marked meander of Varkanala and Sipu river.
(f)
(i) What does the black line marked 24°30′ in the north denote.
(ii) What is the meaning of 72°20′ north-south black line in the western part of the map?
(iii) What do the figures 280, 300, 500 etc., written in brown on east margin of the map indicate.
(g)
(i) Point out two man-made features on the map.
(ii) What is the direction of the river Sipu 83 C 86 grid lines?
(iii) What is the grid reference (four figures) of the lime kiln located near Rampura village in the north-west?
