Class 11 Geography Chapter 18 Structure and Physiography

Class 11 Geography Chapter 18 Structure and Physiography The answer to each chapter is provided in the list so that you can easily browse throughout different chapters SCERT Class 11 Geography Chapter 18 Structure and Physiography and select need one.

Class 11 Geography Chapter 18 Structure and Physiography

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Also, you can read the SCERT book online in these sections Solutions by Expert Teachers as per SCERT (CBSE) Book guidelines. These solutions are part of SCERT All Subject Solutions. Here we have given Assam Board/NCERT Class 11 Geography Chapter 18 Structure and Physiography Solutions for All Subject, You can practice these here…

Structure and Physiography

Chapter: 18




Q.1. In which part of the Himalayas do we find the   karewa formation?

(i) North eastern Himalayas

(ii) Himachal Uttarakhand Himalayas

(iii) Eastern Himalayas

(iv) Kashmir Himalayas

Ans:(iv) Kashmir Himalayas

Q.2. In which of the following states is Loktak lake situated? 

(i) Kerala

(ii) Uttarakhand

(iii) Manipur 

(iv) Rajasthan

Ans: (iii) Manipur 

Q.3. Which one of the water bodies separated the Andaman from the Nicobar?

(i) 11°Channel 

(ii) Gulf of Mannar 

(iii) 10°Channel 

(iv) Andaman Sea

Ans: (iii) 10°Channel

Q.4.On which of the following hill ranges is the Doddabetta’ Peak situated? 

(i) Nilgiri hills

(ii) Anaimalai hills 

(iii) Cardamom hills

(iv) Nallamala hills 

Ans: (i) Nilgiri hills

Answer the following questions in about 30 word

Q.1. If a person is to travel to Lakshadweep, from which coastal plain does he prefer and why? 

Ans: If a person is to travel to Lakshadweep he will prefer to travel from Western coastal plain.He prefers the western coastal plain due to the nearness of Lakshadweep, because the Lakshadweep is situated in Arabian sea.

Q.2. Where in India will you find a cold desert? Name some important ranges of this region.

Ans: The Ladakh is the cold desert of India. The other important ranges of this region are: 

(a) Karakoram 

(b) The Ladakh

(c) The Zaskar

(d) Pir Panjal 

Q.3. Why is the western coastal plain devoid of any delta? 

Ans: The western coastal plain is devoid of any delta due to the nature of the coastal plain. In other words the region is narrow and has steep slopes. Moreover, the rivers are more speedy. Hence they do not form delta.

Answer the following questions in not more than 125 word

Q.1.Make a comparison of the island groups of the Arabian sea and the Bay of Bengal.

Ans: A comparison of the island groups of the Arabian sea and the Bay of Bengal is given below: 

Arabian SeaBay of Bengal
(a) Arabian sea Island group consists of about 36 islands of which 11 are inhabited.(a) In the Bay of Bengal there are as many as 572 islands.
(b) All the islands are situated at the distance of 280km-480km off the Kerala coast.(b) The islands are divided into Andaman and Nicobar islands.
(c) All are built of coral deposits.(c) These are separated by a 10°channel.
(d) The largest island of this group is Minicoy with area.(d) Some islands are the portion of submarine mountains and some are of volcanic origin.

Q.2. What are the important geomorphologic features found in the river valley plaid?

And: In the river valley plains, the following geomorphic features are found:

(a) Plains: The plains are formed by the alluvial deposits, Which are brought by the rivers.

(b) Babar: Babar is a narrow belt ranging between 8- 10 km parallel to the Shivalik foothills at the break VIP of the slope. As a result of this, the streams and rivers coming from the mountains deposit heavy materials of rocks and boulders and at times, disappear in this zone.

(3)  Tarai: South of the Babar area is the Training belt. It is approximately 10-20 km. Where most of the streams and rivers reemerge without having any properly demarcated channel, there by creating marshy and swampy conditions known as Tarai.

(4) Bhangar: Bhangar is situated just south of Terai belt. It consists of old alluvial deposits.

(5) Khadar: Khadar is a relatively new alluvial deposit.

(6) Delta: Delta,one of the noted features found in the river valley plains.

Chapter 1Geography As A Discipline
Chapter 2The Origin and Evolution of the Earth
Chapter 3Interior of the Earth
Chapter 4Distribution of Oceans And Continents
Chapter 5Minerals and Rocks
Chapter 6Geomorphic Processes
Chapter 7Landforms and Their Evolution
Chapter 8Composition and Structure of Atmosphere
Chapter 9Solar Radiation, Heat balance, and Temperature
Chapter 10Atmospheric Circulation and Weather Systems
Chapter 11Water in the Atmosphere
Chapter 12World Climate and Climate Change
Chapter 13Water (Oceans)
Chapter 14Movements of Ocean Water
Chapter 15Life on the Earth
Chapter 16Biodiversity And Conservation
Chapter 17Indian Location
Chapter 18Structure and Physiography
Chapter 19Drainage System
Chapter 20Climate
Chapter 21Natural Vegetation
Chapter 22Soils
Chapter 23Natural Hazards and Disasters

Q.3. If you move from Badrinath to Sunderbans delta along the course of the river Ganga,What major geomorphological features will you come across? 

Ans: If we move from Badrinath yo Sundarbans delta along the course of the river Ganga,than the following major geomorphological features we will come across.Badrinath is situated in Uttaranchal Himalayas, where the lands are steep slopes, valleys are narrow with v-shaped and waterfalls are found. In some areas of the Upper Ganga plain we will observe landslides and mass erosion.

Near Haridwar, where the topography is more level, we find Several meanders, oxbow lakes and braided streams. At last, near the Sundarbans, the noted geomorphological features are swampy and marshy lands and ultimately we will find Sundarban delta.

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