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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.
संबंधित प्रश्न
What is the difference between the pattern of settlements in 0725 and the settlement of Idarla?
How does the feature, indicated by the black curves in 0721, show that rainfall in this region is seasonal?
What are the following?
302 in grid square 0425
Name the types of drainage pattern found in grid square 9374.
Give four grid reference of each of the following:
1) Open scrub
2) Bantawada
How is the importance of settlement reflected in a map?
Calculate the average gradient along the two stations A and B, if the horizontal distance between them is 1,200 metres and the vertical difference in height is 240 metres.
Name the various types of settlement patterns found on toposheet.
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?
Write short note on ‘Marginal Information’ in Topographical sheets.
