RBSE Solutions for Class 6 Our Rajasthan Chapter 6 Physical Formation of Rajasthan

Rajasthan Board RBSE Solutions for Class 6 Our Rajasthan Chapter  6 Physical Formation of Rajasthan Textbook Exercise Questions and Answers.

RBSE Class 6 Our Rajasthan Solutions Chapter  6 Physical Formation of Rajasthan

Activity

Looking at the map of Rajasthan with the help of teacher name the physical regions and their districts.

Name of the physical region	Name of Districts
1. the Thar Desert	Sri Ganganagar, Hanumangarh, Bikaner, Nagaur, Churu, Jhunjhunu, Jodhpur, Barmer, Jaisalmer, Pali, Jalore and Sikar.
2. Aravalli Mountain	Sirohi, Udaipur, Raj samand, Ajmer, Dausa, Jaipur and Alwar.
3. Eastern Plains	Bharatpur, Alwar, Dholpur, Karauli, Sawai Madhopur, Jaipur, Dausa, Tonk, Bhil-wara, Dungarpur, Banswara, Chittorgarh and Prat.apgarb.
4. Southem-Eastern Plateau	Kota, Bundi, Bar an, Jhalawar and Chittorgarh.

RBSE Class 6 Our Rajasthan Physical Formation of Rajasthan Textbook Questions and Answers

I. Write the correct option of the following questions in given bracket

Question 1. 
Which physical region is not situated in Rajasthan
(a) Aravalli Mountain
(b) Eastern Plains
(c) Thar desert
(d) Mount Himalaya.
Answer: 
(d) Mount Himalaya.

 

Question 2. 
The highest peak of the Aravalli range is-
(a) Guru Shikhar
(b) Everest
(c) Jargaji
(d) Kanchenjunga 
Answer: 
(a) Guru Shikhar

II. Fill up the blanks

1.  .................. region close to the Chambal river has become extremely rugged because of erosion.
2. The transformation of fertile land into barren and sandy is called .................. 
Answer: 
1. Dang, 
2. desertification. 

III: Very Short Answer Type Questions

Question 1. 
Which place in Rajasthan faces famine every year?
Answer: 
Especially western Rajasthan faces famine every year.

Question 2. 
What is Mavath?
Answer: 
In India, the rain that occurs in winter is called “Mavath’.

IV. Short Answer Type Questions

Question 1. 
Name the physical regions of Rajasthan and their chief characteristics.
Answer: 
Physical regions of Rajasthan and their chief characteristics:
(1) the Thar Desert or the Western Desert- It is extended in the western part of Rajasthan in 12 districts of the state and covers nearly 61 percent of area, around 40 percent of Rajasthan’s population resides here, the richest desert of the world etc.

(2) Aravalli Mountain-It extends over almost 9 percent of mid Rajasthan running from south-west to north-east direction, among the most ancient mountains of the world, highest terrain of Rajasthan, Rajasthan’s lifeline etc.

(3) Eastern Plains-Formed from Chambal, Banas, Banganga and their tributaries, extends almost 23 percent of the state, most fertile and most densely populated region of state.

(4) Southern-Eastern Plateau-It extends nearly 7 per cent of the state area, soil is made from lava, is fertile and medium black.

Question 2. 
Write about the seasons of Rajasthan.
Answer: 
There are mainly three seasons in Rajasthan:
(1) Summer season-In Rajasthan, summer season lasts from March to June. In this season the temperature normally is higher than 30 to 40 degree centigrade in different regions. In some western districts of Rajasthan, temperature reaches upto 40 to 45 degree centigrade.

(2) Rainy season-In Rajasthan, rainy season lasts from July to September. Rajasthan has 90 to 95 per cent: t of rains during this season. Jhalawar has highest rainfall and Jaisalmer has the lowest rainfall. Rain decreases continuously from the south-eastern part to the north-western part of Rajasthan.

(3) Winter season-In Rajasthan, winter season lasts from October to February. In western Rajasthan, sand gets extremely cold, and the temperature falls to 0° centigrade or less than it, at some places. Due to height, Mount Abu in Rajasthan remains colder. In winter season, rain occurs due to ‘Mavath’ or Western Disturbance.

RBSE Class 6 Our Rajasthan Physical Formation of Rajasthan Important Questions and Answers

Multiple Choice Questions

Question 1. 
Which is the most extensive physical part of Rajasthan?
(a) the Thar Desert
(b) Aravalli Mountain
(c) Eastern Plains
(d) Southern-Eastern Plateau.
Answer: 
(a) the Thar Desert

Question 2. 
How many physical regions has Rajasthan been divided into?
(a) Two 
(b) Three
(c) Four 
(d) Five.
Answer: 
(c) Four 

Question 3. 
What is the height of Guru Shikhar?
(a) 1472 metre 
(b) 1576 metre
(c) 1772 metre 
(d) 1722 metre.
Answer: 
(d) 1722 metre.

Question 4. 
Lasadiya plateau is located at
(a) Sirohi
(b) Udaipur and Pratapgarh
(c) Bhilwara
(d) Chittorgarh.
Answer: 
(b) Udaipur and Pratapgarh

 

Fill in the blanks

1. .................. is among the most ancient mountains of the world.
2. Rajasthan is the only state of the country where .................. types of climatic conditions prevail.
3. Rajasthan is .................. in comparison to other regions of India.
4. Soil erosion (Cutting) by water or wind is called .................. 
Answer: 
1. Aravalli mountain, 
2. five
3. drier, 
4. erosion.

Very Short Answer Type Questions

Question 1.
What is Great Indian Desert region called?
Answer: 
The region of sandy desert situated at Barmer, Jaisalmer, and Bikaner is called Great Indian Desert.

Question 2. 
Which is the highest terrain of Rajasthan?
Answer:
Aravalli mountain is the highest terrain of Rajasthan.
Question 3. 
How many seasons are found in Rajasthan? Write the names.
Answer: 
There are mainly three seasons found in Rajasthan.

1. Summer Season, 
2. Rainy Season,
3. Winter Season.

Question 4. 
Which crop benefits from Mavath?
Answer: 
Mavath benefits the crop of wheat.

Question 5. 
Where do Western Disturb balances come from and rain?
Answer: 
Western Disturbances come from the Mediterranean sea and cause rain in
Rajasthan along with northern-western India.

Question 6. 
What is meant by an ‘Analogue line’?
Answer: 
The imaginary lines on map that connects places of same rain is known as ‘analogue line’.

Question 7. 
What are the monsoon winds?
Answer: 
The winds, that change their direction according to the season are called as the monsoon winds.

Short Answer Type Questions

Question 1. 
Into how many physical parts is Rajasthan divided?
Answer: 
Rajasthan is divided into four physical parts on the basis of land structure. These are:

1. Thar Desert, 
2. Aravalli Mountain, 
3. Eastern Plains, 
4. Southern-Eastern Plateau.

Question 2. 
Why is the Thar desert called the world’s richest desert?
Answer: 
The Thar desert is considered the world’s richest desert in comparison to other deserts of the world due to following reasons

1. Population density
2. Animal density
3. Rain, 
4. Mineral diversity
5. Vegetation
6. Agriculture
7. Sources of Irrigation
8. Highest bio-diversity etc.

Question 3. 
What are dunes or Dhora?
Answer: 
The region of sandy desert situated at Barmer, Jaisalmer,.and Bikaner is called Great Indian Desert. Sand dunes and sandy soil is found in this region, which change their place with the force of winds. These are called dunes and in local language, ‘Dhora’

Question 4.
Why is Aravalli called lifeline of Rajasthan?
Answer: 
Aravalli is called the lifeline of Rajasthan because of the following reasons:

1. Different types of mineral resources are found in this mountain range.
2. The Aravalli mountain range stops, the spreading of desert towards east. 
3. This mountain range is the place of origin of most of the rivers.
4. Various types of vegetation, wildlife and medicinal herbs are found in this region.
5. Aravalli range stops the monsoon and causes rain in eastern and southern Rajasthan.

 

Question 5. 
What is called as ‘Chhappan ka Maidan’?
Answer: 
There are some plains formed by Mahi and its tributaries in district of Banswara and Pratapgarh in southern part of Rajasthan, which are known as plains of Mahi. It is known as ‘Chhappan ka Maidan’ because this plain comprises of a group of 56 villages and is made by 56 river drains.

Question 6. 
Describe the southern-eastern plateau.
Answer: 
It is situated in the southern- eastern part of Rajasthan. In ancient times Rajasthan’s southern-eastern part was the region of rulers of Hada dynasty so it is called Plateau of Hadauti. Most of the soil of this plateau made from lava, is fertile and medium black, that extends nearly 7 percent of the state area.

Question 7. 
Tell us about the major plateaus in Rajasthan.
Answer: 
In Rajasthan’s southern-eastern part the plateau- of Hadauti is situated. It is the largest plateau in the state. Other major plateaus of Rajasthan are Udiya and Abu Situated at Sirohi, Plateau of Bhorat located in Udaipur and Rajsamand, Mesa at Chittorgarh, Upermal at eastern part of Chittorgarh and Bhilwara and plateau of Lasadiya at Udaipur and Pratapgarh etc.

Question 8. 
What is ‘Loo’? Explain.
Answer: 
Loo:
Extreme hot dusty winds moving in Rajasthan during summer are called ‘Loo’. Sometimes their speed is more than 100 km per hour.

Question 9. 
What is desertification? What is being done in Rajasthan for this?
Answer: 
Desertification:
The process of degradation or transformation of fertile land into barren and sandy soil by physical conditions and human activities is called desertification. Desert is expanding persistently in western part of Rajasthan, though efforts are being made to reduce it. by tree plantation.

Long Answer Type Questions

Question 1. 
Describe the salient features of the Thar Desert.
Answer: 
Features of Thar Desert:

1. The Vast Thar desert is situated in the western part of Rajasthan extending from India’s western border to Aravalli in mid-Rajasthan.
2. It is extended in 12 districts of the state and covers nearly 61 percent of area.
3. Around 40 percent of Rajasthan’s population resides here.
4. This desert is considered the richest in comparison to other deserts of the world because of its population density, animal density, rain, mineral diversity, vegetation, agriculture, sources of irrigation, highest bio- diversity etc.
5. Sand dimes and sandy soil is found in this region, which change their place . with the force of winds.
6. Thar desert is divided into desert, the Plains of Ghaghar, Semi-desert region, Naguar’s upper land, and in-flow regions on the basis of its surficial structure,

Question 2. 
Tell us about the Aravalli mountain, the physical part of Rajasthan.
Answer: 
Aravalli Mountain:

1. The Aravalli range extends over almost 9 per cent mid-Rajasthan running from southwest to northeast direction.
2. It is among the most ancient mountains of the world, extending over 692 km from Khedbrahma of Gujarat in the south to Raiseena Delhi in the north.
3. The Aravalli range divides Rajasthan into two parts-
   • Eastern Rajasthan and 
   • Western Rajasthan.
4. Aravalli Mountain is the highest terrain of Rajasthan. 
5. Different types of mineral resources are found in this mountain range.
6. The Aravalli mountain range stops the spreading of desert towards east.
7. This mountain range is the place of origin of most of the rivers.
8. Various type of vegetation, wildlife and medicinal herbs are found in this region.
9. Aravalli range stops the monsoon and causes rain in eastern and southern Rajasthan.
10. The highest peak of Aravalli Mountain Range in Rajasthan is Guru Shikhar. This is situated at Mount Abu in Sirohi district. It’s height is 1722 metre.

Question 3. 
Discuss the main features of the Eastern Plains.
Answer: 
Main features of the Eastern Plains:

1. The eastern plain is the main physical region of Rajasthan.
2. Chambal, Banas, Banganga and their tributaries, forms Rajasthan’s eastern plain, which extensively is the flow of the Gangetic plain only.
3. This plain extends almost 23 percent of the state.
4. The region close to Chambal river from Kota to Dhaolpur has turned into rough bump because of river erosion which is known by the name of Chambal’s forest or ‘Dang’ or hilly area [bad land topography or utkhat bhoomi].
5. Almost 40 percent of population of Rajasthan resides in this most fertile and most densely populated region of state.
6. The plains of Mahi is located in its southern part.

 

Question 4. 
What do you know about the climate of Rajasthan?
Answer: 
The climate of Rajasthan:
(1) Monsoon has a clear effect on the climate of Rajasthan.
(2) Rajasthan is the only state of the country where five types of climatic conditions prevails due to state’s latitudinal position and north-western position in the
Indian sub-continent, distance from sea, position of Aravalli mountain and the extension of state.
(3) Nearly 61 percent of the north of the state has dry and semi dry desert climatic conditions, in Jaipur and northern eastern districts east to Aravalli, is semi humid climate, from Sawai Madhopur to Udaipur there is humid climate and in south Banswara and south-east of Jhalawar district has extreme humid climate.
(4) On the basis of average conditions of climate, it can be said that Rajasthan is drier in comparison to other regions of India.

Question 5. 
Describe in detail the conditions of summer season in Rajasthan.
Answer: 
The conditions of summer season in Rajasthan:

1. The summer season in Rajasthan is often uneven. This season lasts from March to June.
2. In this season the temperature normally is higher than 30 to 40 degree centigrade in different regions.
3. In western Rajasthan especially in Jaisalmer, Banner, Bikaner, Jodhpur, Shri Ganganagar, Churu etc. temperature reaches up to 40 to 45 degree centigrade.
4. Thar Desert, being sandy is among one of the hottest places in India. Sand heats up fast and cools down fast hence in the daytime, in this season, the temperature rises up and, in the night, it lowers down, so the difference of daily temperature and annual temperature is much more.
5. In this season, Mount Abu remains the coldest place of Rajasthan due to its height.

Question 6. 
Describe the characteristics of rainy season in Rajasthan.
Answer: 
Features/Characteristics of rainy season:

1. In Rajasthan rainy season lasts from July to September.
2. Rains occur due to monsoon winds.
3. Rajasthan has 90 to 95 percent of rains during this season.
4. It rains from the monsoon streams of both Arabian Sea and Bay of Bengal, here.
5. Bay of Bengal monsoon causes more rain in Rajasthan, which mostly occurs in^ eastern Rajasthan. Arabian Sea causes most of the rain in southern Rajasthan.
6. Jhalawar has highest rainfall approx, 100 cm.
7. Jaisalmer has lowest rainfall approx. 10 cm.
8. Mount Abu gets the highest rainfall
9. of about average 150 cm. 
10. Rain decreases continuously from the south-eastern part to north-western part of Rajasthan.
11. In east of Aravalli it rains more than 50 cm and in west less than 50 cm.

 

Question 7. 
What is a Famine? What is the reason for this?
Or
Describe the Famine in Rajasthan.
Answer: 
The condition of shortage of fodder, water for animals and for human beings, scarcity of drinking water and grains occur, it is called famine. Rajasthan and especially western Rajasthan suffers famine (drought) repeatedly. The main cause behind this is the indefinite, insufficient, irregular, and periodic nature of rains here. Scanty rain is the natural character of the climate here. But because of the human interest, forest are cut or destroyed in an unscrupulous way, exploitation of ground water, ignoring the traditional way of water resource management affects the economic and social life of this region badly.