NCERT MCQs Class 9 Social Science (CONTEMPORARY INDIA) Chapter 3 DRAINAGE
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NCERT MCQs of Class 9 (Contemporary India) Chapter no 3 Drainage.
What is the term for the area drained by a single river system?
(a) Water Divide
(b) Drainage Basin
(c) River Valley
(d) Floodplain
Answer: (b) Drainage Basin
Explanation: A drainage basin is the area drained by a single river system, collecting water from various streams and rivers.
What separates two drainage basins?
(a) River Delta
(b) Water Divide
(c) River Confluence
(d) Meander
Answer: (b) Water Divide
Explanation: A water divide is an elevated area like a mountain or upland that separates two drainage basins.
Which of the following is a characteristic of Himalayan rivers?
(a) Short and shallow courses
(b) Seasonal flow
(c) Perennial flow
(d) Flow westwards
Answer: (c) Perennial flow
Explanation: Himalayan rivers are fed by rain and melting snow, ensuring a continuous water supply throughout the year.
What feature is formed when a river cuts across a mountain?
(a) Gorge
(b) Delta
(c) Meander
(d) Oxbow Lake
Answer: (a) Gorge
Explanation: Gorges are deep valleys formed by rivers cutting through mountainous terrain.
Which river has the largest basin in India?
(a) Brahmaputra
(b) Ganga
(c) Godavari
(d) Narmada
Answer: (b) Ganga
Explanation: The Ganga river system covers the largest basin in India.
The world’s largest drainage basin is associated with which river?
(a) Amazon
(b) Nile
(c) Yangtze
(d) Mississippi
Answer: (a) Amazon
Explanation: The Amazon River forms the largest drainage basin in the world.
Which river rises in Tibet, near Lake Mansarovar?
(a) Brahmaputra
(b) Indus
(c) Ganga
(d) Yamuna
Answer: (b) Indus
Explanation: The Indus River originates near Lake Mansarovar in Tibet.
Which treaty governs the sharing of the Indus River's waters between India and Pakistan?
(a) Indus Water Treaty
(b) Himalayan Water Agreement
(c) Indo-Pak Water Treaty
(d) Sindhu River Agreement
Answer: (a) Indus Water Treaty
Explanation: The Indus Water Treaty of 1960 allows India to use only 20% of the Indus River's water.
What is the primary tributary of the Ganga originating from the Yamunotri Glacier?
(a) Yamuna
(b) Chambal
(c) Kosi
(d) Betwa
Answer: (a) Yamuna
Explanation: The Yamuna, originating from the Yamunotri Glacier, is a major tributary of the Ganga.
Which river forms the largest delta in the world?
(a) Brahmaputra
(b) Ganga-Brahmaputra
(c) Godavari
(d) Krishna
Answer: (b) Ganga-Brahmaputra
Explanation: The Ganga-Brahmaputra river system forms the Sundarban Delta, the largest in the world.
The Brahmaputra River is known as ___ in Tibet.
(a) Tsangpo
(b) Jamuna
(c) Meghna
(d) Lohit
Answer: (a) Tsangpo
Explanation: In Tibet, the Brahmaputra River is called Tsangpo, reflecting its regional name.
What is the primary feature of the Sundarban Delta?
(a) It is a coral delta.
(b) It is home to the Royal Bengal Tiger.
(c) It is located in Rajasthan.
(d) It is the smallest delta in India.
Answer: (b) It is home to the Royal Bengal Tiger.
Explanation: The Sundarban Delta, formed by the Ganga-Brahmaputra system, is home to the Royal Bengal Tiger.
Which of these is a left-bank tributary of the Ganga?
(a) Yamuna
(b) Chambal
(c) Kosi
(d) Son
Answer: (c) Kosi
Explanation: The Kosi River, originating from the Nepal Himalayas, joins the Ganga on its left bank.
The Brahmaputra River enters India through which state?
(a) Sikkim
(b) Assam
(c) Arunachal Pradesh
(d) Meghalaya
Answer: (c) Arunachal Pradesh
Explanation: The Brahmaputra enters India in Arunachal Pradesh through a gorge.
Which river forms many riverine islands in Assam?
(a) Indus
(b) Ganga
(c) Godavari
(d) Brahmaputra
Answer: (d) Brahmaputra
Explanation: The Brahmaputra forms several riverine islands, including Majuli, the largest inhabited riverine island.
Which river is known as the Dakshin Ganga?
(a) Godavari
(b) Krishna
(c) Mahanadi
(d) Kaveri
Answer: (a) Godavari
Explanation: The Godavari, due to its length and basin coverage, is referred to as the "Dakshin Ganga" or Ganga of the South.
The Narmada River flows through a ___ valley.
(a) Rift
(b) Glacial
(c) Alluvial
(d) Desert
Answer: (a) Rift
Explanation: The Narmada flows westwards through a rift valley formed by faulting.
Which river forms the Marble Rocks gorge near Jabalpur?
(a) Tapi
(b) Godavari
(c) Narmada
(d) Chambal
Answer: (c) Narmada
Explanation: The Narmada flows through the famous Marble Rocks gorge near Jabalpur.
Which of the following rivers flows westwards into the Arabian Sea?
(a) Mahanadi
(b) Krishna
(c) Tapi
(d) Kaveri
Answer: (c) Tapi
Explanation: The Tapi River flows westwards, parallel to the Narmada, into the Arabian Sea.
What is the main characteristic of Peninsular rivers?
(a) Perennial flow
(b) Formation of gorges
(c) Seasonal flow dependent on rainfall
(d) Snow-fed origin
Answer: (c) Seasonal flow dependent on rainfall
Explanation: Most Peninsular rivers are seasonal and depend on monsoon rainfall for their flow.
Which river has the second largest basin in Peninsular India?
(a) Krishna
(b) Mahanadi
(c) Godavari
(d) Kaveri
Answer: (a) Krishna
Explanation: The Krishna River has the second largest basin in Peninsular India, after the Godavari.
Which river originates from the Brahmagiri range of the Western Ghats?
(a) Narmada
(b) Kaveri
(c) Godavari
(d) Krishna
Answer: (b) Kaveri
Explanation: The Kaveri originates from the Brahmagiri range in Karnataka and flows into the Bay of Bengal.
Which is the largest saltwater lake in India?
(a) Wular Lake
(b) Dal Lake
(c) Chilika Lake
(d) Loktak Lake
Answer: (c) Chilika Lake
Explanation: Chilika Lake in Odisha is the largest saltwater lake in India.
What type of lake is the Wular Lake in Jammu and Kashmir?
(a) Saltwater lake
(b) Freshwater lake
(c) Glacial lake
(d) Lagoon
Answer: (b) Freshwater lake
Explanation: Wular Lake is the largest freshwater lake in India, formed due to tectonic activity.
The second-largest waterfall in India, Shivasamudram Falls, is on which river?
(a) Krishna
(b) Kaveri
(c) Mahanadi
(d) Godavari
Answer: (b) Kaveri
Explanation: The Shivasamudram Falls on the Kaveri River is a significant source of hydroelectric power.
Which river is referred to as the "Sorrow of Bihar"?
(a) Kosi
(b) Ganga
(c) Brahmaputra
(d) Ghaghara
Answer: (a) Kosi
Explanation: The Kosi River causes frequent flooding in Bihar, earning it the name "Sorrow of Bihar."
What is the main source of the Godavari River?
(a) Satpura Range
(b) Amarkantak Hills
(c) Western Ghats
(d) Aravali Hills
Answer: (c) Western Ghats
Explanation: The Godavari originates in the Western Ghats near Nasik in Maharashtra.
Which river forms an estuary instead of a delta?
(a) Ganga
(b) Narmada
(c) Brahmaputra
(d) Godavari
Answer: (b) Narmada
Explanation: The Narmada forms an estuary as it flows westwards into the Arabian Sea.
What is the largest artificial lake in India?
(a) Hirakud Reservoir
(b) Gobind Sagar
(c) Rana Pratap Sagar
(d) Nagarjuna Sagar
Answer: (a) Hirakud Reservoir
Explanation: The Hirakud Reservoir, created on the Mahanadi River in Odisha, is India’s largest artificial lake.
Which is the longest river in Peninsular India?
(a) Mahanadi
(b) Godavari
(c) Krishna
(d) Kaveri
Answer: (b) Godavari
Explanation: The Godavari, at 1,500 km, is the longest river in Peninsular India.
31. Which tributary of the Ganga rises from the semi-arid region?
(a) Chambal
(b) Kosi
(c) Yamuna
(d) Gandak
Answer: (a) Chambal
Explanation: The Chambal River originates in semi-arid regions and joins the Ganga.
32. Which river is also called the "Sorrow of Bengal"?
(a) Damodar
(b) Ganga
(c) Subarnarekha
(d) Bhagirathi
Answer: (a) Damodar
Explanation: The Damodar River, due to its devastating floods in Bengal, earned the name "Sorrow of Bengal."
33. Which river's source lies near Rohtang Pass?
(a) Ravi
(b) Beas
(c) Sutlej
(d) Chenab
Answer: (b) Beas
Explanation: The Beas River originates near Rohtang Pass in Himachal Pradesh.
34. Which river forms the Kolleru Lake in Andhra Pradesh?
(a) Godavari
(b) Krishna
(c) Brahmani
(d) Subarnarekha
Answer: (b) Krishna
Explanation: The Kolleru Lake lies between the Krishna and Godavari deltas.
35. The Tungabhadra is a tributary of which river?
(a) Mahanadi
(b) Godavari
(c) Krishna
(d) Kaveri
Answer: (c) Krishna
Explanation: The Tungabhadra River is a major tributary of the Krishna.
36. Which lake is the largest freshwater lake in India?
(a) Dal Lake
(b) Wular Lake
(c) Nainital Lake
(d) Bhimtal Lake
Answer: (b) Wular Lake
Explanation: The Wular Lake in Jammu and Kashmir is India’s largest freshwater lake.
37. The Pulicat Lake is located in which state?
(a) Andhra Pradesh
(b) Tamil Nadu
(c) Odisha
(d) Both (a) and (b)
Answer: (d) Both (a) and (b)
Explanation: The Pulicat Lake lies on the border of Andhra Pradesh and Tamil Nadu.
38. Which river has a braided channel in Assam?
(a) Brahmaputra
(b) Ganga
(c) Kosi
(d) Yamuna
Answer: (a) Brahmaputra
Explanation: The Brahmaputra River forms braided channels due to heavy silt deposition in Assam.
39. Which river's source is the Gangotri Glacier?
(a) Yamuna
(b) Ganga
(c) Brahmaputra
(d) Kosi
Answer: (b) Ganga
Explanation: The Ganga River originates from the Gangotri Glacier in Uttarakhand.
40. Which Peninsular river has the largest drainage basin?
(a) Godavari
(b) Krishna
(c) Kaveri
(d) Mahanadi
Answer: (a) Godavari
Explanation: The Godavari has the largest drainage basin among Peninsular rivers.
41. Which river flows through a rift valley and makes estuaries?
(a) Godavari
(b) Narmada
(c) Krishna
(d) Kaveri
Answer: (b) Narmada
Explanation: The Narmada River flows through a rift valley and forms estuaries instead of deltas.
42. Which river in South India receives rainfall from both summer and winter monsoons?
(a) Kaveri
(b) Krishna
(c) Godavari
(d) Mahanadi
Answer: (a) Kaveri
Explanation: The Kaveri River benefits from both southwest and northeast monsoons.
43. What is the main purpose of the National River Conservation Plan (NRCP)?
(a) To control floods
(b) To conserve river ecosystems and reduce pollution
(c) To promote river tourism
(d) To build dams
Answer: (b) To conserve river ecosystems and reduce pollution
Explanation: The NRCP aims to improve the water quality of India’s rivers by controlling pollution.
44. Which river's basin is shared by the maximum number of states in India?
(a) Godavari
(b) Krishna
(c) Brahmaputra
(d) Ganga
Answer: (d) Ganga
Explanation: The Ganga River basin is shared by several states including Uttarakhand, Uttar Pradesh, Bihar, and West Bengal.
45. Which is the smallest river basin in Peninsular India?
(a) Kaveri
(b) Subarnarekha
(c) Baitarani
(d) Periyar
Answer: (b) Subarnarekha
Explanation: The Subarnarekha has the smallest river basin among Peninsular rivers.
46. Which river flows through the Thar Desert?
(a) Luni
(b) Chambal
(c) Tapi
(d) Narmada
Answer: (a) Luni
Explanation: The Luni River is the only significant river flowing through the Thar Desert.
47. The Krishna River flows through which of the following states?
(a) Maharashtra, Karnataka, Andhra Pradesh
(b) Gujarat, Maharashtra, Karnataka
(c) Madhya Pradesh, Gujarat, Maharashtra
(d) Karnataka, Kerala, Tamil Nadu
Answer: (a) Maharashtra, Karnataka, Andhra Pradesh
Explanation: The Krishna River originates in Maharashtra and flows through Karnataka and Andhra Pradesh.
48. Which is the only west-flowing river in Peninsular India to form an estuary?
(a) Narmada
(b) Krishna
(c) Mahanadi
(d) Godavari
Answer: (a) Narmada
Explanation: The Narmada flows westwards and forms an estuary instead of a delta.
49. Which river system contributes to the formation of the Sundarbans?
(a) Godavari-Krishna
(b) Indus-Sutlej
(c) Ganga-Brahmaputra
(d) Yamuna-Chambal
Answer: (c) Ganga-Brahmaputra
Explanation: The Ganga-Brahmaputra system forms the Sundarbans, the largest delta in the world.
50. What is the main benefit of lakes in inland drainage systems?
(a) Supporting marine life
(b) Storing floodwater and maintaining water flow during dry seasons
(c) Generating wind energy
(d) Irrigation through dams
Answer: (b) Storing floodwater and maintaining water flow during dry seasons
Explanation: Lakes regulate river flow, prevent flooding, and support water availability in dry seasons.
51. Which river is associated with the Bhakra Nangal Dam?
(a) Sutlej
(b) Beas
(c) Ravi
(d) Yamuna
Answer: (a) Sutlej
Explanation: The Bhakra Nangal Dam is built on the Sutlej River.
52. Which river’s delta is home to mangrove forests?
(a) Krishna
(b) Godavari
(c) Brahmaputra-Ganga
(d) Narmada
Answer: (c) Brahmaputra-Ganga
Explanation: The Sundarbans in the Brahmaputra-Ganga delta are known for mangrove forests.
53. Which river originates in Madhya Pradesh and flows westwards?
(a) Tapi
(b) Narmada
(c) Godavari
(d) Chambal
Answer: (b) Narmada
Explanation: The Narmada originates from the Amarkantak Hills in Madhya Pradesh and flows westwards.
54. What is the significance of the Damodar River today?
(a) Flood control
(b) Industrial use and hydropower generation
(c) Fishing
(d) Transport
Answer: (b) Industrial use and hydropower generation
Explanation: The Damodar is now controlled by dams for industrial use and power generation.
55. Which of the following rivers flows entirely within Rajasthan?
(a) Chambal
(b) Luni
(c) Sutlej
(d) Beas
Answer: (b) Luni
Explanation: The Luni River is the only major river that flows entirely within Rajasthan.
56. What forms oxbow lakes in floodplains?
(a) River meanders
(b) Gorges
(c) Estuaries
(d) Water divides
Answer: (a) River meanders
Explanation: Oxbow lakes form when river meanders are cut off from the main channel.
57. Which river is known as the "Sorrow of Assam"?
(a) Brahmaputra
(b) Ganga
(c) Subarnarekha
(d) Yamuna
Answer: (a) Brahmaputra
Explanation: The Brahmaputra causes devastating floods in Assam, earning this name.
58. Which is a lagoon in India?
(a) Wular Lake
(b) Pulicat Lake
(c) Dal Lake
(d) Bhimtal Lake
Answer: (b) Pulicat Lake
Explanation: Pulicat is a lagoon on the Coromandel Coast.
59. Which river basin is known for its black soil?
(a) Godavari Basin
(b) Krishna Basin
(c) Tapi Basin
(d) Narmada Basin
Answer: (d) Narmada Basin
Explanation: The Narmada Basin is known for its black, fertile soil.60. Which river is the main source of the Indira Gandhi Canal?
(a) Sutlej
(b) Beas
(c) Chambal
(d) Ravi
Answer: (a) Sutlej
Explanation: The Sutlej River feeds the Indira Gandhi Canal, which is vital for irrigation in Rajasthan.
MCQs from the Exercise part of the chapter.
In which of the following states is the Wular Lake located?
(a) Rajasthan
(b) Uttar Pradesh
(c) Punjab
(d) Jammu and Kashmir
Answer: (d) Jammu and Kashmir
Explanation: The Wular Lake, the largest freshwater lake in India, is located in Jammu and Kashmir.
The river Narmada has its source at:
(a) Satpura
(b) Brahmagiri
(c) Amarkantak
(d) Slopes of the Western Ghats
Answer: (c) Amarkantak
Explanation: The Narmada River originates from the Amarkantak Hills in Madhya Pradesh.
Which one of the following lakes is a saltwater lake?
(a) Sambhar
(b) Wular
(c) Dal
(d) Gobind Sagar
Answer: (a) Sambhar
Explanation: The Sambhar Lake in Rajasthan is India's largest inland saltwater lake.
Which one of the following is the longest river of Peninsular India?
(a) Narmada
(b) Krishna
(c) Godavari
(d) Mahanadi
Answer: (c) Godavari
Explanation: The Godavari River, also known as Dakshin Ganga, is the longest river in Peninsular India, stretching about 1,500 km.
Which one amongst the following rivers flows through a rift valley?
(a) Mahanadi
(b) Krishna
(c) Tungabhadra
(d) Tapi
Answer: (d) Tapi
Explanation: The Tapi River flows through a rift valley, similar to the Narmada, and drains into the Arabian Sea.
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