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Question 12 Marks
What does the following mean?
(i) Blue line in Balaram Nadi?
(ii) Black dots in the river.
Answer
(i) It is perennial water channel. It indicates the flow of water of river in very narrow stream.
(ii) Sediment or load
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Question 22 Marks
Write two differences between right and left bank of Balaram Nadi.
Answer
Right bank has less broken ground whereas left one has lot of broken ground. On the right bank lot of agriculture is done whereas, on the left bank hardly any farming is done due to barren land and broken land's presence.
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Question 32 Marks
What is a grid square? Give four figure reference of confluence of Main river and Balaram Nadi.
Answer
The square formed by the intersection of northings and eastings is termed as grid square. Four figure grid reference of the confluence is 4292.
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Question 42 Marks
(i) What do you mean by White patch in river in 3892?
(ii) .177 in 3792
Answer
(i) It is river island.
(ii) Spot height of 177 m above the sea level.
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Question 52 Marks
What does the following mean?
(i) Black horizontal line between 93 and 94 Northings?
(ii) Causeway in 4489
Answer
(i) Line of latitude
(ii) It is a raised metalled road over a stream or river to cross them in rainy season.
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Question 62 Marks
Calculate the area in sq. km enclosed by the map extract from 39 to 44 Easting and 85 to 90 Northings.
Answer
Length 44-39 = 5km
Breadth 90-85 = 5 km
Area=L x B = 5 x 5 = 25 sq.km
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Question 72 Marks
Write about the development of this region. Justify.
Answer
This area is neither developed nor underdeveloped but developing.
Reasons: Here, agriculture is main occupation which indicates primary occupation. Metalled roads and facilities like power supply, metalled road, post offices, etc. have yet to reach all towns and villages here.
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Question 82 Marks
What are the possible occupations at Chitrasani?
Answer
Working for civic facilities like railways, post office, etc.
Agriculture as yellow colour is seen.
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Question 92 Marks
Which part of the map is least developed. Provide grid reference and the reason for your answer.
Answer
The region between easting 40 to 44 and northings 93 to 95 to the north of the main river is least developed.
Reasons: There is no civic facility including the roadway.
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Question 102 Marks
What are the possible religions of the people in this map extract? Provide four figure reference to support your answer.
Answer
Hinduism is the main religion here as there are many temples (4285, 4485, etc).
Islam is other religion as seen near Chitrasani by the presence of mosque.
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Question 112 Marks
How the vehicles negotiate the rivers during rainy season? Give four figure reference of any such feature.
Answer
Rivers negotiate it with the help of causeways. Causeways are the raised metaled road over a stream or river which helps vehicles to cross them.
We find causeways in 3994/4592 etc.
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Question 122 Marks
(i) What do you mean by r written with an alphabet in a map, example 16 r.
Answer
r stands for relative height if it is shown in black colour.
It means the height of the feature is above the surround land by the given number in meter
For example 16 r means height of sand dune is 16 m more than the surrounding land.
(ii) If r is written in blue, it indicates relative depth.
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Question 132 Marks
Calculate the distance along the metalled road from Rampura to Antroli.
Answer
Map distance: 9 cm
Scale of map 2 cm = 1 km
Therefore, length of road on ground = 9/2 = 4.5 km
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Question 142 Marks
4493 shows black curve lines? What are these? How are they formed?
Answer
They depict broken ground.
It is formed due to evaporation of ground from land which causes land to develop cracks.
It indicates that the region receives scanty rain.
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Question 152 Marks
Convert verbal scale in RF scale.
Answer
Verbal Scale of the map is 2 cm - 1km
2cm-1km
$\begin{array}{l}2/2: 1 / 3\end{array}$
1: 0.5 km
1: 0.5 km/1000 m = 5000 m
1: 5000 x 100 cm = 50000 cm
1 cm = 50000 cm
1:50,000
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Question 162 Marks
Which types of metalled roads are found in this region? Provide four figure grid reference.
Answer
National Highway (4485)
District road (4486)
State highway (4585)
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Question 172 Marks
Calculate the arsa enclosed by the given Northings and Eastings on ground
Answer
Length 46 - 36 = 10 km
Breadth 95 - 85 = 10 km
Area = L x B = 10 x10 = 100 sq. km
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Question 182 Marks
Calculate the area enclosed in 38 to 43 Earnings and 89 to 93 Northinga.
Answer
Length 43 - 38 = 5 km
Breadth 93 - 89 = 4 km
Area = L x B = 5 x 4 = 20 sq. km
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Question 192 Marks
What does the following mean?
(i) 16 r in 3887
(ii) 8r in 4192
Answer
(i) Relative height of the sand dune is 16 m.
(ii) Relative light of river bank is 8 m.
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Question 202 Marks
What type of climate is experienced in this region? Justify your answer.
Answer
it experiences hot and dry climate with scanty and seasonal rainfall.
Evidences: There are many sand dunes and scattered sand. Here, all the streams and tanks are dry.
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Question 212 Marks
What does BM 225.3 mean? Give its four figure reference.
Answer
It means Bench Mark of 225.3 m. This altitude is inscribed on some important structure and marks the permanent record of the place.
Four figure reference: 4485
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Question 222 Marks
Which is the most important settlement in the map extract? Justify.
Answer
It is Chitrasani.
Evidences: It has three types of metaled roads, district road, state highway and national highway. There is a railway station, main power line and post office.
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Question 232 Marks
Identify the drainage pattern in grid square 3887 and 4189.
Answer
3887: Undefined/intermittent.
4189: Disappearing
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Question 242 Marks
Calculate the shortest distance between Shri Vashishthi ashram to Gautam Maharishi Mandir. Show calculations.
Answer
Map distance - 4.2 cm
Scale of map 2 cm = 1km
Therefore, 4.2 cm 4,2/2 = 2.1 km
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Question 252 Marks
If a person were to cycle 10 km an how, how much time it would take to cover east west distance in a straight line.
Answer
Distance = 10 km. Speed is 10 km/hr. Therefore, Time = Distance / Time 1 hour.
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Question 262 Marks
Name any two man-made and two natural features seen in gird square 6912.
Answer
Natural: Dry river bed and barren land
Man-made features: Perennial lined wells and permanent huts
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Question 272 Marks
(i) Explain the meaning of a number written in brown in gird square 6617.
(ii) Define the term mentioned by you in above.
Answer
It's an index contour of 800 m
Index contours are bold or thicker lines that appear at every fifth contour line.
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Question 282 Marks
Calculate the area enclosed between 65 to 70 castings and 12 to 15 northings.
Answer
Length = 70 - 65 = 5 km, Breadth 15 - 12 = 3 km, Area Length x breadth= 5 x 3= 15 sq.km.
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Question 292 Marks
What are castings and northings?
Answer
Eastings: Red colour vertical lines drawn on topographic maps whose number increase from west to cast are castings.
Northings: Red colour horizontal lines drawn on topographic maps whose number increase from south to north are northings.
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Question 302 Marks
What does the following mean?
(i) 3 r in 6318
(ii) 11 r in 6614
Answer
(i) Relative height of bank of stream is 5 m.
(ii) Relative depth of perennial lined well is 11 m. If r is written in black, it's always relative height, if it's in blue, it's always depth.)
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Question 312 Marks
State two benefits of linear scale and one limitation of this scale.
Answer
(i) Even short distances can easily be measured with the help of linear scale.
(ii) If the map is photographically enlarged or reduced the linear scale is also enlarged or reduced in the same ratio and remains true to the map.
Limitation: It requires time and proficiency in drawing a graphic scale.
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Question 322 Marks
State the limitation of verbal scale? Name other two scales.
Answer
It is not understood if the unit mentioned is not known to the people.
Other two scales used are R.F. Scale and Linear / Graphical Scale.
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Question 332 Marks
(i) What does 2 cm to 1 km mean? (ii) Which scale is it ?
Answer
(i) It means 2 cm on map equals to 1 km on ground.
(ii) It is verbal/statement scale.
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Question 342 Marks
In which direction does a river of south eastern region flow? Justify.
Answer
It flows in south-west direction,
Reason: The altitude of the region decreases in that direction.
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Question 352 Marks
What are the occupations of the people in grid square 6414?
Answer
(i) Agriculture as yellow shade is seen.
(ii) Forestry and animal rearing as green shade is seen.
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Question 362 Marks
Name two types of vegetation seen in the given map. Give their four figure grid reference.
Answer
(i) Fairly Dense mixed jungle : 6215. (ii) Open mixed jungle : 6713
Dense mixed jungle with bamboo : 6418/6518/6716
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Question 372 Marks
What's the main religion here? Justify with any one grid number.
Answer
Hinduism
Reason: We can say this as many temples seen here such as in gird square 6719.
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Question 382 Marks
What is the most important mode of irrigation in gird square 6812? Justify.
Answer
Perennial lined wells
Reason: These are seen depicted by blue dots.
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Question 392 Marks
Which part of the map extract is least developed and why?
Answer
North-western region
Reason: It has forest and hilly region where settlemets and civic facilities are difficult to develop.
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Question 402 Marks
What's the main occupation in major part of this region? Justify.
Answer
Forestry and animal rearing are the main occupation.
Reason: It is because of the reason that major part is shaded with green wash which indicates the presence of forest.
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Question 412 Marks
What type of climate is experienced here in this entire region? Justify.
Answer
It has hot and dry climate with moderate and seasonal rainfall.
Reasons: (i) There are forests and perennial tanks suggesting moderate rainfall. (ii) Streams and tanks are dry suggest the area has hot and dry climate. (iii) Presence of broken ground in 2808 and other areas.
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Question 422 Marks
Why there is lack of transport in NW region?
Answer
(i) It is due to hilly terrain and forested area.
(ii) It is difficult to construct roads in hilly region and moreover deforestation is generally not recommended for development.
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Question 432 Marks
What are form lines?
Answer
These are brown broken lines drawn on topography maps which join the places of approximately equal altitude. They are usually drawn in oval shape.
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Question 442 Marks
(i) What does blue colour in gird square 6719 represent?
(ii) How is it formed?
Answer
(i) It's a perennial tank. (ii) It's a natural depression where many streams bring water when they are flooded.
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Question 452 Marks
What does the following mean?
(i) Causeway in grid 6414
(ii) What's is its purpose?
Answer
(i) It's a raised metalled road.
(ii) It's purpose is to cross a stream or river when they are flooded.
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Question 462 Marks
What does the following mean?
(a) Rocky knob in 6813
(b) What are the possible occupations in major part of the region enclosed by the map?
Answer
(a) It's a protruding part of a rock overlooking a hilly region.
(b) Forestry and animal rearing.
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Question 472 Marks
Why the streams in 2408 are intermittent? (Not continuous)
(ii) What it suggests about the climate of the region?
Answer
(i) They are intermittent as they are flowing over a sandy area where water gets easily percolated. Moreover, they do not have enough water in them as this area is a dry desert.
(ii) It suggests that the climate of this area is hot and dry with scanty rainfall.
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Question 482 Marks
What does the following mean?
(i) 3r in 2403
(ii) Diagonal feature seen in grid square 2403 with double embankment.
Answer
(i) Relative height of embankment of dry tank is 3 m.
(ii) It's a road like structure across a dam which is available only for the people of irrigation department for the inspection of dam.
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Question 492 Marks
Write about the development of this region.
Answer
This area is neither developed not underdeveloped but developing.
Reason: The main occupation is still agriculture which is primary occupation and civic facilities are not available in all settlements.
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Question 502 Marks
(i) What do you mean by the scale of map?
(ii) Name the universally accepted scale of the map.
Answer
(i) It is the ratio between the map distances to the ground distance.
(ii) Representative Fraction that is R.F. Scale.
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[2 Mark Question Answer] - Geography STD 10 Questions - Vidyadip