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50 questions · timed · auto-graded

Question 11 Mark
What is meant by a River Basin?
Answer
  • The entire area within which the land slopes towards the river and the rainwater of that area flows into that river, is called ‘River Basin’ of that river.
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Question 21 Mark
What is meant by Water Divide?
Answer
  • When the flow of water is separated from one another by a mountain or an upland, it is called ‘Water Divide’.
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Question 31 Mark
What is meant by Meandering?
Answer
  • Due to the obstruction caused by the deposition on the river bed, the river flows in zigzag path, like a snake, which is called ‘Meandering.
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Question 41 Mark
Explain the meaning of a braided river.
Answer
  • When a river flows in an interwoven situation along with many branches, it is called a ‘Braided River’. Islands may be formed within their flow, e.g., Brahmaputra river.
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Question 51 Mark
What is meant by Drainage Pattern?
Answer
  • A collective and systematic arrangement of a large river and her tributaries is called ‘Drainage Pattern’.
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Question 61 Mark
Into which two parts are the Indian rivers divided?
Answer
  • Indian rivers are divided into two parts: (1) Himalayan Rivers and (2) Peninsular Rivers.
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Question 71 Mark
Explain the terms : Drainage Pattern
Answer
  • A collective and systematic arrangement of a large river and her tributaries is called ‘Drainage Pattern’.
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Question 81 Mark
For which purposes is the river water used in recent times?
Answer
  • In recent times, river water is used for drinking and other domestic uses, irrigation. hydro-electricity, navigation, etc.
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Question 91 Mark
Which are the main tributaries of Godavari? Which are the larger rivers among them?
Answer
  • The main tributaries of Godavari are .Purna, Manjra, Penganga, Vardha, Vainganga, Pranhita and Indravati. Among them, Manjra,Penganga and Vainganga are the larger rivers.
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Question 101 Mark
Which are large rivers meeting Ganga on her right bank?
Answer
  • Yamuna and Son are large rivers which- meet Ganga on her right bank.
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Question 111 Mark
Explain the terms : Water Divide
Answer
  • When the flow of water is separated from one another by a mountain or an upland, it is called ‘Water Divide’.
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Question 121 Mark
Name the two rivers whose confluence forms river Ganga.
Answer
  • Names of the two rivers whose confluence forms river Ganga are Alaknanda and Bhagirathi.
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Question 131 Mark
Rivers of which Indian states are ' included in Sindhu River System?
Answer
  • Rivers of three Indian states Jammu-Kashmir, Himachal Pradesh and Punjab are included in the Sindhu River System.
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Question 141 Mark
Where does the river Godavari originate from and where does it meet?
Answer
  • River Godavari originates in Nashik district of Maharashtra and meets the Bay of Bengal.
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Question 151 Mark
Which is the largest river among the . peninsular from rivers?
Answer
  • Godavari is the largest river among the peninsular rivers.
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Question 161 Mark
Which rivers meet Sindhu in Jammu- Kashmir?
Answer
  • Rivers Zaskar, Shyok, Nubra, Gilgit, Hunza, etc. meet Sindhu in Jammu-Kashmiir.
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Question 171 Mark
What is meant by ‘Drainage system’?
Answer
  • When a large river and her tributaries meet each other. they form a specific pattern which is called ‘Drainage Pattern’.
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Question 181 Mark
Which is the main watershed of the peninsular rivers?
Answer
  • The main watershed of peninsular rivers is Western Ghats.
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Question 191 Mark
What is a ‘Delta’?
Answer
  • A river is divided into many distributaries at her mouth. Eventually, that region becomes a fertile region and turns into a triangle shape. It is called ‘Delta’.
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Question 201 Mark
In which states is the Narmada river basin spread?
Answer
  • The Narmada river basin is spread in Madhya Pradesh and Gujarat states.
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Question 221 Mark
Where is the lake Sambhar located ? What type of lake is it?
Answer
  • Lake Sambhar is located in Rajasthan State. It is a saline water lake.
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Question 231 Mark
Name the three ‘Lagoon’ lakes located along the eastern coast of India.
Answer
  • The three ‘Lagoon’ lakes on the eastern coast of India are Chilka, Kolleru and Pulicat.
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Question 241 Mark
Which two large rivers of peninsular . India flow through rift valleys?
Answer
  • Narmada and Tapi rivers of peninsular India flow through rift valleys.
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Question 251 Mark
Which two large rivers of peninsular India meet the Arabian Sea?
Answer
  • Narmada and Tapi rivers of peninsular :India: meet the Arabian Sea.
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Question 261 Mark
By which different names is the river Brahmaputra known as in different regions?
Answer
  • Brahmaputra is known as ‘Tsangpo’ in Tibet. as ‘Sitang’ or ‘Dihang’ in Arunachal ' Pradesh, as ‘Brahmaputra’ in Assam and as ‘Jamuna’ in Bangladesh.
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Question 271 Mark
By which name is the delta of Ganga - and Brahmaputra rivers known as’?
Answer
  • The delta of rivers Ganga and Brahmaputra is known as ‘Sundarvan’.
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Question 281 Mark
By which names are the distributaries of Ganga known as in West Bengal and Bangladesh?
Answer
  • Main distributary of Ganga in West Bengal is known as ‘Bhagirathi’ and ‘Hugli’, and in Bangladesh its main flow is known as ‘Padma’ and its combined flow is known as ‘Meghna’.
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Question 291 Mark
Which are the main tributaries of river Kaveri?
Answer
  • The main tributaries of river Kaveri are Amaravati, Bhavani, Hemavati and Kalini.
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Question 301 Mark
In which states is the basin of Krishna river spread?
Answer
  • Krishna river basin is spread in Maharashtra, Karnataka and Andhra Pradesh states.
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Question 311 Mark
From where does the river Mahanadi originate and where does it meet?
Answer
  • River Mahanadi originates in Chhattisgarh Mountains, flows through Odisha and meets the Bay of Bengal.
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Question 321 Mark
Which are the main tributaries of river Krishna?
Answer
  • Koyna, Ghatprabha, Bhima, Tungabhadra and Musi are the main tributaries of river Krishna.
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Question 331 Mark
give the reason : There is a constant increase in water pollution because.....
Answer
  • water pollution is the result of industrialization and urbanization.
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Question 341 Mark
give the reason : Most of the peninsular rivers emerge from Western Ghats and flow eastwards meeting the Bay of Bengal because.....
Answer
  • the physiography of India and the mountain have slopes from west to east.
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Question 361 Mark
give the reason : There are few large riverine islands in river Brahmaputra in Assam because.....
Answer
  • the Brahmaputra river flows in a braided form.
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Question 371 Mark
give the reason : Rivers of peninsular India are seasonal or ephemeral because....
Answer
  • the volume of water in most of the peninsular rivers is dependent on only rainfall.
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Question 391 Mark
Which river basin has one-third of its basin in the mountainous region of Jammu- Kashmir?
Answer
  • Sindhu river
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Question 461 Mark
What is a mountain or a plateau, which separates the flow of water from one another called?
Answer
  • Water divide
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1 Marks Each - Social Science STD 9 Questions - Vidyadip