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प्रश्न
What is a Watershed?
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उत्तर
A watershed or water divide is a ridge which separates the tributaries draining towards one side of it from those drawing towards the other. A watershed is never half way up a slope and on the two sides of it, the slope must be opposite and downwards.
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संबंधित प्रश्न
Name two natural features in 0527.
What is the compass direction of Antroli (9576) and Chelkha (9281) from Sangla?
What is a Fire line?
Convert the following scales into R.F.
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.
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 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?
Study the extract from the topographical sheet No. 63K/12, as shown in the figure below and answer the following questions-
- Convert 1:50,000 into a statement of scale.
- Name the major settlements of the area.
- What is the direction of flow of the river Ganga?
- At which one of the banks of river Ganga, Bhatauli is located ?
- What is the pattern of rural settlements along the right bank of river Ganga?
- Name the villages/settlements where Post Office is located ?
- What does the yellow colour in the area refer to?
- What means of transportation is used to cross the river by the people of Bhatauli village?
R. F. 1: 50,000
Part of the Topographical Sheet No 63K/12
