Class 11 Geography Chapter 19 Drainage System

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Class 11 Geography Chapter 19 Drainage System The answer to each chapter is provided in the list so that you can easily browse throughout different chapters SCERT Class 11 Geography Chapter 19 Drainage System and select need one.

Class 11 Geography Chapter 19 Drainage System

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 19 Drainage System Solutions for All Subject, You can practice these here…

Drainage System

Chapter: 19




Q.1. Which one of the following rivers was known as the ‘Sorrow of Bengal’ ? 

(i) The Gandak

(ii) The son

(iii) The kosi 

(iv) The Damodar

Ans: (iv) The Damodar

Q.2. Which one of the following rivers has the largest river basin in India? 

(i)   The Indus 

(ii)  The Brahmaputra

(iii)  The Ganga

(iv) The Krishna

Ans: (iii)  The Ganga 

Q.3. Which one of the following rivers is not included in’ Panchnad’ ?

(i) The Ravi 

(ii) The Chenab 

(iii) The Indus 

(iv) The Jhelum

Ans: (iii) The Indus

Q.4. Which one of the following rivers flows in a rift valley?

(i) The Son

(ii) The Narmada

(iii) The Yamuna 

(iv) The Lumi

Ans: (ii) The Narmada 

Q.5. Which one of the following is the place of confluence of the Alakananda and the Bhagarati? 

(i) Vishnu Prayag 

(ii) RudraPrayag

(iii) Karan Prayag

(iv) Dev prayag 

Ans:(iv) Dev prayag 

State the difference between

Q.1. River Basin and watershed.


River BasinWatershed
(a) The watersheds of large rivers are called river basin.(a)  Small rivulets and rills are called watershed.
(b) The basin covers a large area.(b) It cover small area ( less than

Q.2. Dendritic and Trellis drainage pattern.


Dendritic PatternTrellis Drainage pattern
(a)  Dendritic Pattern of drainage is similar to branches of a tree.(a)  The tributaries of the rivers flows more or less Parellel to one another.
(b) The rivers of northern plains are such types.(b)  The rivers of the Himalayan Mountain are of this type.

Q.3. Radial and Centripetal drainage pattern.


Radial drainage patternCentripetal drainage pattern
(a) They are originate from a high hill or mountain and radiate to all sides.(a) The flow direction of this pattern is opposite of radial type i.e, the rivers flows into a lake or depression.
(b)River son is a good example of a Radial drainage pattern.(b) The rivers of Sambhar lake of Rajasthan is a good example of this pattern.

Q.4. Delta and Estuary.


(a) Deltas are triangular in shape and form, formed at the month of a river.(a) Funnel shaped channel form features are called estuaries found at the mouth of the river.
(b) Sundarban is the example of delta.(b) Narmada and Tapi make estuaries.

Answer the following questions in about 30 words

Q.1. What are the socio- economic advantages of interlinking of rivers in India? 

Ans: The noted socio-economic of advantages of interlinking of river in India are given below: 

(a) Surplus water can be transferred to the deficit areas through interlinking processes.

(b) By the interlinking processes hydro-electricity can be generated in different areas of the country.

Q.2. Write three characteristics of the Peninsular river.

Ans: (a) All the rivers of the Peninsular India are rainfred.

(b) Almost all the rivers attain maturity.

(c) Valleys are shallow and flow through hard rocks.

Answer the following questions in not more than 125 word

Q.1. What are the important characteristics features of North Indian rivers? How are these different from Peninsular rivers? 

Ans: (a) All the rivers of north India are perennial.

(b) These are fed by melting of snow and precipitation.

(c) All the rivers had deep gorges and V-shaped valleys in the mountainous part.

(d) Almost all the north India rivers produce extensive flood plains.

( e) The Ganga, the Brahmaputra and the Indus river are some noted river systems of North India.

(f) They have evolved through a long geological history.

The north Indian rivers are differ from the Peninsular rivers in the following ways: 

(a) The catchment area of the north Indian rivers are very large but the Peninsular rivers are small.

(b) The north Indian rivers flow in very deep alluvial deposits, but the peninsular rivers follow through hard rocks.

(c) North Indian rivers are produced meanders and extensive  floodplains,but the peninsular rivers have no extensive flood-plain.

(d) North Indian rivers are perennial but the peninsular rivers are not perennial.

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.2.Suppose you are traveling from Haridwar to Siliguri along the foothills of the Himalayas. Name the important rivers you will come across.Describe the characteristics of any one of them.

Ans: If we travel from Haridwar to Siliguri,then we will come across the following important rivers.

(a) Ramganga 

(b) Gomati

(c) Ghagra

(d) Rapti

(e) Gandak 

(f) Kosi 

(g) Mahanadi

Characteristics of  Ghaghra:

1. Ghaghra originates in the glacier of Mount Chachungo.

2.Most of the water of Ghaghra comes from Tita,Seti and Beri.

3.It meets Ganga at Chhapra.

4. Its length is 1080km.

5. It cuts a deep gorge at Chisapani (600m. deep).

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