RBSE Solutions for Class 9 Social Science Chapter 12 Physical Features of India

RBSE Solutions for Class 9 Social Science Chapter 12 Physical Features of India are part of RBSE Solutions for Class 10 Social Science. Here we have given Rajasthan Board RBSE Class 9 Social Science Chapter 12 Physical Features of India.

Board RBSE
Textbook SIERT, Rajasthan
Class Class 9
Subject Social Science
Chapter Chapter 12
Chapter Name Physical Features of India
Number of Questions Solved 77
Category RBSE Solutions

Rajasthan Board RBSE Class 9 Social Science Chapter 12 Physical Features of India

TEXTBOOK QUESTIONS SOLVED

Multiple Type Questions (MCQs)

Question 1.
The line that passes through mid India is
(a) Tropic of Cancer
(b) Central line
(c) Equator
(d) Tropic of Capricorn
Answer:
(a).

Question 2.
The North mountain region is a part of
(a) Aravalli Range
(b) Pamir Plateau
(c) Armenia Plateau
(d) Kailash Mountain
Answer:
(b).

Question 3.
The most dense physical part of India is
(a) Great Mid Plain
(b) Thar Desert
(c) Southern Plateau
(d) None of these
Answer:
(a).

Question 4.
India Southernmost point, Indira Point is situated
(a) in Andaman
(b) in Nicobar
(c) in Lakshadweep
(d) in Minicoy
Answer:
(b).

Question 5.
In view of the area, Rajasthan occupies the place in India
(a) first
(b) second
(c) third
(d) fourth
Answer:
(a).

Question 6.
The smallest district of the state is
(a) Karauli
(b) Dungarpur
(c) Dhaulpur
(d) Sikar
Answer:
(c).

Question 7.
The highest peak between Nilgiri and Himalayas is
(a) Gurushikhar
(b) Sers
(c) Mahabaleshwar
(d) Achalgarh
Answer:
(a).

Very Short Answer Type Questions

Question 1.
What is Dhand?
Answer:
In desert region of Rajasthan, low land between sand dunes allows water to collect and form lakes. Such lakes in local language in Rajasthan is called Dhand and Sur (Talai).

Question 2.
Which physical division of India is the most densely populated?
Answer:
The Great Northern Plains

Question 3.
Where are Bhabar found?
Answer:
Bhabar are found in Shivalik range of Himalayas in foothill region of Satluj to Teesta river in between 8 to 16 km belt.

Question 4.
What are marg found?
Answer:
Margs are found in lower range of Himalayas known as Himachal. They are slopes covered with conical trees at upper part while grass in lower part. Such slopes are called margs in Kashmir.

Question 5.
What is the total area of Rajasthan?
Answer:
Total area of Rajasthan is 3,42,239 sq. km.

Short Answer Type Questions

Question 1.
Name the main divisions of Himalayas.
Answer:
The three main divisions of Himalayas are:

  1. Greater Himalayas,
  2. Lesser Himalayas,
  3. Sub Himalayas.

Question 2.
Give the importance of the Southern Plateau.
Answer:
Importance of Southern Plateau are:

  1. It is rich in mineral deposits.
  2. Black soil found here is good for growing cotton.
  3. Monsoon forests covered with expensive shesham and sandalwood trees are found here.
  4. Natural waterfalls are located which are the basis of hydro-electricity production.
  5. Pachmadhi, Mahabaleshwar, Ooty are famous hill stations are located here.

Question 3.
Distinguish between Eastern Ghats and Western Ghats of India.
Answer:
Western Ghats:

  1. The western edge of the southern plateau is known as Western Ghats.
  2. It is known as Sahayadri in North and Nilgiri in south.
  3. They have steep slope towards Arabian Sea while in East gentle slope.
  4. They have regular extension from Sahayadri ranges which are 1000 meter in Average height from Tapti valley to Kumari Antarip.
  5. Bhor Ghat, Thai Ghat and Pal Ghat are important passes of this range.
  6. Annai Muddi is the highest peak of this range.

Eastern Ghats:

  1. It is less higher than Western Ghat, irregular and situated far away from the East coast.
  2. They are situated parallel to eastern coast in 800 km length.
  3. They are spread from North of Mahanadi valley to south in Nilgiris.
  4. They have average height of 600 m.
  5. The highest peaks of this region is of 1051 m.
  6. It is dissected due to all east flowing rivers.

Question 4.
Name those islands of India which are formed due to drainage.
Answer:
Andaman Nicobar, Lakshadweep, Panbon, Hari, Parikud and Shriharikota are islands of India formed due to drainage.

Question 5.
Give the characterstics of desert region of western Rajasthan.
Answer:

  1. It is largest region in size.
  2. It can be divided into three parallel belts as:
    1. It extends from west to east, it is rich in sand dunes.
    2. Bangar plains made of sandy soil.
    3. Rahi floodplains formed due to small rivers.
  3. This region has approximately 300 m average height.
  4. Eastern boundary forms the rain divider of 25 cms.
  5. Here sand hills are found which are called ‘Dhore’ in local language.
  6. Physical environment has changed due to Indira Gandhi canal, earlier known as Rajasthan canal.

Long Answer Type Questions

Question 1.
Divide India into physical divisions. Describe any one of them.
Answer:
Physical divisions of India:

  1. The Northern Mountains range
  2. The Northern Vast Plain
  3. The Thar Desert
  4. The Peninsular Plateau
  5. The Coastal Plain and Island groups

Description of the Northern Plain:
The Northern plain is stretched in bow-shape between the Himalayan mountain and the Southern plateau. It is about 2400 km long and its area is about 7 lakh sq km. This plain also known as the Sutluj-Ganga-Brahmaputra plain covers the parts of Punjab, Haryana, Uttarakhand, North Rajasthan, Bihar, Odisha, West Bengal and Jharkhand.

Map Skill

Question 1.
Show the major physical divisions on an outline map of India.
Answer:
RBSE Solutions for Class 9 Social Science Chapter 12 Physical Features of India 1

Question 2.
Show the major high peaks of India on an outline map of India.
Answer:
RBSE Solutions for Class 9 Social Science Chapter 12 Physical Features of India 2

Question 3.
Locate the physical division of Rajasthan on an outline map of India.
Answer:
RBSE Solutions for Class 9 Social Science Chapter 12 Physical Features of India 3

ADDITIONAL QUESTIONS SOLVED

Multiple Choice Questions (MCQs)

Question 1.
The line of 82Vs° E longitude passes through the city of
(a) Allahabad
(b) Bareilly
(c) Lucknow
(d) Meerut
Answer:
(d).

Question 2.
Which of the following lies to the West of India?
(a) The Bay of Bengal
(b) The Arabian Sea
(c) The Pacific Ocean
(d) The Himalaya ranges
Answer:
(b).

Question 3.
India is
(a) a continent
(b) a sub-continent
(c) an island
(d) a mountain range
Answer:
(c).

Question 4.
Which of the following is not the sub¬division of the Himalaya region?
(a) The Greater Himalayas
(b) The Lesser Himalayas
(c) The Coastal Plain
(d) The trans-Himalayas
Answer:
(c).

Question 5.
The imaginary line which divides India into two parts is
(a) Equator
(b) longitudes
(c) Tropic of Capricorn
(d) Tropic of Cancer
Answer:
(d).

Question 6.
What is the shape of India?
(a) Quadrangular
(b) Triangular
(c) Circular
(d) Arc
Answer:
(a).

Question 7.
The old alluvium area in the Thar desert is called
(a) Khadar
(b) Bangar
(c) Bhabhar
(d) Tarai
Answer:
(b).

Question 8.
Which of the following is a physical division of India?
(a) The Northern Vast Plain
(b) The Northern Mountain region
(c) The Northern Valleys region
(d) The Coastal Plain
Answer:
(c).

Question 9.
Which of the following is determined in India on the basis of 82V2° East longitude?
(a) Greenwich Meantime
(b) Local Time
(c) Indian Standard Time
(d) International Time
Answer:
(c).

Question 10.
The Coastal line of India is:
(a) 6100 km
(b) 56100 km
(c) 1600 km
(d) 65100 km
Answer:
(a).

Question 11.
The irrigation facility is made available in the Thar desert of India by
(a) Rajiv Gandhi canal
(b) Luni river
(c) Indira Gandhi Canal
(d) Saraswati river
Answer:
(c).

Question 12.
Which of the following is not the peak of the Greater Himalaya?
(a) Mt. Everest
(b) Nanda Devi
(c) Godwin Austin
(d) Pirpanjal peak
Answer:
(d).

Question 13.
The height of Gurushikhar peak is
(a) 1722 mt
(b) 1772 mt
(c) 2717mt
(d) 1373 mt
Answer:
(a).

Question 14.
Aadwala mountain is another name for the:
(a) Aravalli
(b) Himalayas
(c) Mt. Abu
(d) Nilgiri
Answer:
(a).

Question 15.
The total area of Rajasthan is
(a) 3,24,329 sq. km
(b) 2,93,423 sq. km
(c) 3,42,239 sq. km
(d) 4,23,932 sq. km
Answer:
(c).

Question 16.
The south-eastern plateau region of Rajasthan is also known as the
(a) Mewar Plateau
(b) Haraute Plateau
(c) Marwar Plateau
(d) Bangar Plateau
Answer:
(b).

Question 17.
Rajasthan shares its southern boundary with
(a) Gujarat
(b) Maharashtra
(c) Barmer
(d) Uttar Pradesh
Answer:
(a).

Very Short Answer Type Questions

Question 1.
Which line denotes standard time of Bharat and from where does it pass?
Answer:
The line of 82 V20 East longitude denotes the standard time of India. It passes through Allahabad.

Question 2.
Write the names of two peaks of the Greater Himalayas.
Answer:
Two peaks of Greater Himalayas:

  1. Mount Everest, and
  2. Nanda Devi.

Question 3.
Write the names of two famous tourist places situated in sub-Himalayas.
Answer:
Two tourist places situated in sub- Himalayas:

  1. Dheradun and
  2. Haridwar.

Question 4.
What do you understand by Khadar and Bangar?
Answer:

  1. Khadar is the area replenished with new alluvium every year by floods.
  2. Bangar is the old alluvium area.

Question 5.
Name any two major peaks of the trans-Himalayas.
Answer:
Two major peaks of trans-Himalayas are:

  1. Karakoram, and
  2. Kailash.

Question 6.
On what basis has Sidney Burrad divided the Himalaya?
Answer:
Sidney Burrad has divided the Himalaya on the regional basis into Punjab, Kumaon, Nepal and Assam Himalaya.

Question 7.
Which physical division is known for the black soil and how is it beneficial?
Answer:
The Peninsular plateau is known for the black soil which is beneficial for the production of cotton.

Question 8.
Name the sub-divisions of the coastal plains.
Answer:
Sub-divisions of the coastal plains * are:

  1. The Western coastal plains are divided into Konkan coast and Malabar coast.
  2. The Eastern Coastal plains are divided into Northern Circar and Coromandel coast.

Question 9.
Which are the major sub-divisions of the Peninsular Plateau?
Answer:
The major sub-division of the Peninsular Plateau are Malwa Plateau,
Chota Nagpur plateau, Karnatak, plateau, Telangana Plateau and Deccan Plateau.

Question 10.
What is the proof to the presence of the large rivers in the area presently in the Thar Desert?
Answer:
Discovery of remains of Saraswati river is a proof to the presence of large rivers.

Question 11.
What is the position of India in the world regarding its land area?
Answer:
India, as regards its area, holds seventh place in the world.

Question 12.
Give other two names for the Greater Himalayas.
Answer:
The other two names for the Greater Himalayas are:

  1. Himadri and
  2. Main Himalayas.

Question 13.
What is another name for the Western Ghats?
Answer:
Western Ghats are also called Sahayadri hills.

Question 14.
In which Zone does the major part of Rajasthan lie?
Answer:
Major part of Rajasthan lies in the Temperate sone.

Question 15.
What is the number of districts in the Rajasthan state?
Answer:
There are about 33 districts in Rajasthan.

Question 16.
Which new district has been recently created in Rajasthan?
Answer:
Pratapgarh is the newly created district of Rajasthan.

Question 17.
Name the seven divisions of Rajasthan.
Answer:
Seven divisions of Rajasthan are Ajmer, Jaipur, Bikaner, Jodhpur, Udaipur, Kota and Bharatpur.

Question 18.
Which is the largest and the smallest district of Rajasthan?
Answer:
The largest district of Rajasthan is Jaisalmer and the smallest district is Dhaulpur.

Question 19.
What is the average density of population of Rajasthan?
Answer:
The average density of population of Rajasthan is 200 persons per sq. m.

Question 20.
Name the three parallel belts of the western desert region ,of Rajasthan.
Answer:
Three parallel belts of the western desert region of Rajasthan are Rahi, Bangar and Marusthali.

Question 21.
What is the number of districts, divisions and tehsils in Rajasthan?
Answer:
There are: 33 districts, 7 divisions and 244 tehsils in Rajasthan.

Short Answer Type Questions

Question 1.
What is the difference between Khadar and Bangar in the context of the Northern plain?
Answer:
Khadar is the area replenished with new alluvium every year by flood water whereas Bangar is the area with the old alluvium.

Question 2.
Which are the bordering countries of India?
Answer:
The bordering countries of India: Pakistan and Afghanishtan in the North-West, China, Nepal and Bhutan in the North and Myanmar and Bangladesh in the East and Sri Lanka in the South.

Question 3.
What is special about Lakshadweep?
Answer:
This island situated in the Arabian Sea on the west coast of India. Its literal meaning is ‘one lakh dweeps’. The coconut trees are found here in abundance. In fact, these are the coral islands.

Question 4.
How can it be proved that the slope of the Peninsular Plateau is towards east?
Answer:
Eastward slope of the Peninsular Plateau: Most of the rivers of the plateau namely Mahanadi, the Godavari, Krishna, Kaveri, etc. flow eastwards and drain into the Bay of Bengal. This is a clear evidence to the eastward slope of the Penninsular Plateau.

Question 5.
Which are the salt water lakes of the Thar Desert? Give reason for their strategic importance.
Answer:
Major salt water lakes of the Thar Desert are Lunkarnsar, Sambhar, Deedwana, Pachpadra, etc. Salt is prepared in these lakes. They have their strategic importance because of their location between India and Pakistan.

Question 6.
Which are the major islands of India and where are they located?
Answer:
Major islands of India are Andaman- Nicobar, Lakshadweep, Maldives, Pamban, Heir, Parikud and Sriharikota. They are located on the eastern and the western coasts of India and in the Arabian Sea and Bay of Bengal.

Question 7.
Which is the highest peak of the world situated in the Greater Himalayas?
Answer:
The highest peak of the world situated in the Greater Himalayas is Mount Everest also known as Gauri Shankar peak. Its height is 8848 mt. Tenzing was the first Indian to climb its peak.

Question 8.
Give the classification of the physical divisions of India.
Answer:
Physical divisions of India:

  1. The western desert region
  2. The semi-arid region
  3. The Aravalli region
  4. The eastern region
  5. The south-eastern plateau region.

Question 9.
Write about the location of Rajasthan.
Answer:
It is situated in the North-West of India and is in kite shape. It lies between 23° 3’ to 30° 12’ N latitude and from 69° 30’ to 78° 17’ East longitudes. The Tropic of Cancer passes through the southern tip.

Question 10.
Name the districts of Rajasthan.
Answer:
The districts of Rajasthan are as follows:
Ajmer, Alwar, Baran, Banswara, Barmer, Bharatpur, Bhilwara, Bikaner, Bundi, Chittore, Churu, Dungarpur, Dhaulpur, Dausa, Ganganagar, Hanumangarh, Jaipur, Nagaur, Pali, Rajsamand, Sawai Madhopur, Sikar, Sirohi, Tonk, Udaipur, Jaisalmer, Jallore, Jhalawar, Jhunjhunu, Jodhpur, Karauli, Kota and Pratapgarh.

Question 11.
What is the significance of the Northern Plain of India?
Answer:
Northern Plain of India is significant for many reasons as given below:

  1. Due to the formation of alluvial soil, it is the most fertile plain.
  2. Water for drinking and irrigation is available in abundance due to network of many rivers.
  3. Rivers of this plain facilitate navigation.
  4. Places of waterfalls are good for producing hydro-electricity.
  5. It has a network of roads and rail routes.
  6. This northern plain abounds with many large cities, industrial, commercial and religious cities e.g. Delhi, Kanpur, Haridwar, Mathura, Varanasi, Amritsar, Lucknow, Agra, Patna, Kolkata, etc.

Question 12.
Discuss the physical dimensions of India.
Answer:
India is located in the Northern Hemisphere. Its shape is quadrangular. It extends between 8°4’ to 37° 4’ North latitude and from 68° 7’ to 97° 25’ to East longitude. Its extension from North to South is 3214 km and from East to West is 2933 km. Its area is 32,87,267 sq. km. Its landline boundary is 15,200 km and the coastal boundary is 6100 kms. India is the seventh largest country of the world. It has 2.4% of the total area of the world.

Question 13.
What is the location of the Northern Plain? Why is it also called the Satluj-Ganga and Brahmaputra Plain?
Answer:
The Northern plain is in bow-shape about 2400 km in length, located * between the Himalayan mountain and the Southern Plateau. This is also known as the Ganga-Satluj and Brahmaputra plain because the rivers- Ganga, Satluj and Brahmaputra rivers flow here.

Question 14.
Express geologists’ views about the position of the area prior to the formation of the Thar Desert.
Answer:
Prior to the formation of the Thar Desert, the land in the West of the Aravalli mountain and upto the Indus plain in north-west, was fertile. A large number of rivers were flowing here. Discovery of Saraswati river is an evidence to it. According to the geologists, due to the rising up of this area, the drainage here merged with either the river Ganga or the Indus. Later due to scarcity of rainfall aridity increased and it turned into a desert.

Question 15.
Write about the area of Rajasthan and also name its bordering areas.
Answer:
The total area of Rajasthan is 3,42,239 sq. km which is 10.43% of the whole country. Its maximum length from East to West is 869 kms and maximum breadth from North to South is 826 km. 1070 km area of the state forms international border with Pakistan. In East are the districts of Uttar Pradesh and Madhya Pradesh, in North are Punjab and Haryana and in the South are Gujarat and Madhya Pradesh. Total population of the state according to census 2011 is 6,85,48,437.

Question 16.
Write the characteristics of the South¬Eastern plateau region of Rajasthan.
Answer:
Characteristics of the South-Eastern Plateau of Rajasthan:

  1. This is also known as the ‘Harauti Plateau’.
  2. It includes the districts of Baran, Bundi, Kota and Jhalawar.
  3. It has black fertile soil in abundance.
  4. It has the Mukandra and Bundi hills.
  5. The known Chulia waterfall is located near Bhainsrodgarh on the Chambal.
  6. The plateau part lying between Bhainsrodgarh and Bijolia is called ‘Uppermal’.
  7. The alluvial basin is formed in Baran and Kota from Chambal and its Kalisindh and Parvati tributaries.

Long Answer Type Questions

Question 1.
Discuss briefly the coastal plains and group of islands as one of the physical divisions of India.
Answer:
The Coastal plains of our country are situated with width in variations on both sides of the peninsular plateau. Such plains are the work of either rivers or sea.
They are divided into two groups:

  1. The Western coastal plain
  2. The Eastern coastal plain.

(a) The Western Coastal Plain: This extends from the Gulf of Cambay to Cape Comerin. Its length is 1600 km and the average width is 64 km In this Coastal plain the faster short rivers flow. This plain is larger in North. The Narmada, the Tapti and the Mandvi rivers flow here. Its northern part is called the Konkan coast and the southern is the Malabar coast. The major ports of this river are the Kandla, Mumbai, Marmagao Cochin and Mangalore.
(b) The Eastern Coastal Plain: It extends from the Delta of the Ganga to Cape Comerin. Its length is 1500 km and width is 16 to 480 km. It is divided into Northern Circar and Coromandel coast. The major rivers flowing here are the Mahanadi, the Krishna, the Godavari and Kaveri and the major ports are Vishakhapatnam, Chennai, Paradeep and Tuticorin. Important lakes here are Chilka, Pulikat and Kolleru.
Group of Islands:
Several islands of our country are situated on the Western and the Eastern Coasts and the Arabian Sea and Bay of Bengal. Major islands are Andaman-Nicobar, Lakshadweep, Maldives, Pamban, Heir, Parikud and Sriharikota. The southern most edge of India, i.e. the Indira Point is in Nicobar Island which was affected by tsunami waves in Dec. 2004. The Andaman-Nicobar island is situated in the south 1248 km far from Kolkata in the Bay of Bengal. In this group of islands there are about 205 islands.
In the coastal edges are found the Sundari trees. The major large sized islands are Northern Andaman, Central Andaman, Southern Andaman, Baratung and Ruthland. From the Andaman the Nicobar Islands is 128 km away in the south. Its northern islands are called Kar Nicobar, central is Khmorata and Tankadri and the southern islands are called Nicobar.
The Lakshadweep is situated in the Arabian Sea on the west coast of India. It means one lakh islands. The coconut trees are found here in abundance. In fact, these are coral islands.

Question 2.
Discuss the physical divisions of Rajasthan.
Answer:
Physical Divisions of Rajasthan:

  1. The Western Desert region
  2. The Semi-Arid region
  3. The Aravalli region
  4. The Eastern region
  5. The South-Eastern Plateau region

(a) The Western Desert region: It comprised of comprising of Bikaner, Barmer, Jaisalmer, Churu and Western Nagaur the largest region with average height of 300 cm, has three parallel belts of Marusthali (sand dunes), Bangar (large plains) and Rahi (flood plains). Hills of sands are known as Dhore. A big change was brought about with Indira Gandhi Canal. 25 cms. Isohyte forms Eastern boundary.
(b) The Semi-Arid region: From North¬East to South to West in the Aravalli mountain ranges, average height 450 mt, Isohyte of 25 cm forms Western boundary. Pali, Jallore, Sikar, Jhunjhunu, Churu and Hanumangarh fall in the region. Its sub-region has Luni Basin, Shekhawati, Nagaur high and Ghaggar plain.
(c) The Aravalli region (Aadwala mountain): Extending in 692 kms length, the oldest mountain ranges of tfye world, fall in height from South¬West to North-East, Guru-Shikhar
(1722) mts. Its highest peak is also called ‘Santonka Shikhar’ by Col. Tod. Its sub-regions- North-East hills, Central Aravalli, Mewar hill or Bhorat and Abu mountain. Dsuri and Hathi are two important passes.
(d) The Eastern Plain Region: It is spread in the eastern part includes lower parts of Chambal basin is called Chappan, Plain, Banas and Mahi basin. Two parts of Banas Basin- Malpurakarauli and Mewar plain. Mahi and Banas are the major rivers.
(e) The South-Eastern Plateau region or the Harauti region includes Baran, Bundi, Kota and Jhalawar districts. It is rich in black soil and has famous Chulia waterfall, the Mukandra and Bundi hills.

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