Himalayan Rivers
Himalayan Rivers
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quiz Questions
Q1
Which of the following structural features accurately explains the antecedent nature of major Himalayan rivers like the Indus, Sutlej, and Brahmaputra?
They originate exclusively from subterranean volcanic fault springs
They carved deep gorges by downcutting simultaneously during mountain uplift
Their drainage channels follow the modern radial slope of the Deccan Shield
They were artificially diverted into glacial lakes during the Pleistocene era
Explanation
Antecedent rivers existed before the uplift of the mountains. As the Himalayas rose, these rivers maintained their original channels by downcutting into the rising landmass at a matching rate, creating deep, vertical gorges.
Q2
The actual physical site where the Alaknanda and Bhagirathi rivers merge to officially form the Ganga is located at which Prayag?
Rudraprayag
Karnaprayag
Devprayag
Nandaprayag
Explanation
Devprayag is the final confluence point among the Panch Prayag where the Bhagirathi (originating from Gaumukh/Gangotri) and Alaknanda (originating from Satopanth glacier) unite to form the Ganga.
Q3
The Tsangpo river undergoes a dramatic sharp syntaxial bend near Namcha Barwa to enter India under which regional name?
Manas
Siang or Dihang
Subansiri
Lohit
Explanation
The Brahmaputra is known as the Tsangpo in Tibet. Near Namcha Barwa, it takes a sharp U-turn (syntaxial bend) and enters India in Arunachal Pradesh, where it is locally called the Dihang or Siang.
Q4
Which of the following left-bank tributaries of the Indus river flows through the famous Wular Lake in Jammu & Kashmir?
Chenab
Jhelum
Ravi
Beas
Explanation
The Jhelum River, an important tributary of the Indus, rises from the Verinag spring, flows through Srinagar, enters the Wular Lake, and then carves a deep gorge through the Pir Panjal range.
Q5
The famous Majuli island, recognized as the world's largest river island, is located on which river course?
Ganga
Brahmaputra
Godavari
Mahanadi
Explanation
Majuli is a large fluvial river island formed by the Brahmaputra River, its branch Kherkutia Xuti, and the Subansiri River in the state of Assam.
Q6
Which of the following tributaries of the Ganga river system originates from the Amarkantak plateau of central India, representing a classic south-to-north drainage course?
Yamuna
Son
Gandak
Ghaghara
Explanation
The Son River originates near Amarkantak in Madhya Pradesh, flows north-northeast through Jharkhand and Uttar Pradesh, and joins the Ganga near Patna as a major right-bank tributary.
Q7
Which of the following tributaries of the Indus system does not physically originate inside the sovereign borders of India?
Ravi
Sutlej
Beas
Chenab
Explanation
The Sutlej River originates from the Rakshasthal lake near Mount Kailash in Tibet, before entering India through the Shipki La pass in Himachal Pradesh.
Q8
The seasonal flow variation parameter called 'River Regime' exhibits a highly balanced, perennial profile for which of the following river groups?
Krishna and Godavari
Ganga and Indus
Narmada and Tapi
Pennar and Palar
Explanation
Himalayan rivers like the Ganga and Indus display perennial river regimes because they are supplied by both glacial meltwater during summer months and convective monsoon precipitation during autumn.
Q9
The grand river diversion project called the 'Manas-Sankosh-Teesta-Ganga' (MSTG) link handles surplus water primarily sourced from which macro-regional drainage system?
The Indus River Basin
The Brahmaputra System
The Mahanadi Basin Core
The Godavari Estuary Channels
Explanation
The proposed MSTG link is a major component of the Himalayan rivers development project designed to divert surplus water from the Brahmaputra system tributaries westwards into the Ganga basin.
Q10
Which of the following right-bank tributaries of the Yamuna River rises from the Vindhyan Range but does not flow through the state of Rajasthan?
Chambal
Betwa
Banas
Kali Sindh
Explanation
The Betwa River originates in the Vindhyan Range of Madhya Pradesh, flows northeast through MP and Uttar Pradesh, and joins the Yamuna near Hamirpur without intersecting Rajasthan, unlike the Chambal.