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The Indus River is classified solely as a South Asian river, originating and flowing entirely within the subcontinent.
Answer: False
The Indus River is classified as a transboundary and trans-Himalayan river, originating in China and flowing through the disputed Kashmir region before entering Pakistan, thus traversing both South and Central Asia.
The total length of the Indus River is consistently reported as 2,880 km across all modern sources.
Answer: False
The reported length of the Indus River varies across modern sources, with figures ranging from 2,880 km to 3,180 km, and even an extended figure of approximately 3,600 km suggested by some research.
The Indus River flows through western China, the disputed Kashmir region, and then south-by-southwest through Pakistan before reaching the Arabian Sea.
Answer: True
The course of the Indus River indeed begins in western China, traverses the disputed Kashmir region, and then flows south-by-southwest through Pakistan, ultimately emptying into the Arabian Sea.
Karachi is the only major city mentioned in the source that is located directly along the Indus River.
Answer: False
While Karachi is a major city near the Indus River's mouth, the source lists numerous other major cities directly along the river, including Leh, Sukkur, and Hyderabad.
The traditional source of the Indus River is Sênggê Kanbab, also known as 'Lion's Mouth,' located near Mount Kailash in Tibet.
Answer: True
The traditional ultimate source of the Indus River is indeed Sênggê Kanbab, or 'Lion's Mouth,' a perennial spring situated near Mount Kailash in Tibet.
After passing the Nanga Parbat massif, the Indus River flows northwards, away from the Arabian Sea.
Answer: False
After bending around the Nanga Parbat massif, the Indus River flows south-by-southwest through Pakistan, ultimately emptying into the Arabian Sea, not northwards.
The Panjnad River is a primary right-bank tributary of the Indus River, formed by the confluence of the five Punjab rivers.
Answer: False
The Panjnad River is a primary left-bank tributary of the Indus River, formed by the confluence of the five Punjab rivers.
The Shyok, Hunza, and Kabul rivers are all principal right-bank tributaries of the Indus River.
Answer: True
The Shyok, Hunza, and Kabul rivers are indeed listed among the principal right-bank tributaries of the Indus River.
The Indus-Yarlung suture zone marks the boundary where the African plate collided with the Eurasian plate.
Answer: False
The Indus-Yarlung suture zone defines the boundary where the Indian plate collided with the Eurasian plate approximately 50 million years ago, not the African plate.
The Punjab region's name, meaning 'land of five rivers,' refers to the five rivers that eventually join the Indus after it emerges from its Himalayan valley.
Answer: True
The name 'Punjab' literally means 'land of five rivers,' referring to the Jhelum, Chenab, Ravi, Beas, and Sutlej rivers that converge with the Indus after it exits its Himalayan valley.
The estimated average annual flow of the Indus River is around 5,500 m³/s, making it one of the world's largest rivers by discharge.
Answer: True
The estimated average annual flow of the Indus River is indeed around 5,500 m³/s, which positions it among the world's largest rivers by discharge volume.
The Zanskar River contributes less water volume to the Indus than the Indus itself before their confluence.
Answer: False
The Zanskar River, a left-bank tributary, actually contributes a greater volume of water than the Indus itself before their confluence in Ladakh.
The Indus River is known to exhibit a tidal bore, a rare phenomenon where the incoming tide forms a wave against the current.
Answer: True
The Indus River is indeed one of the few rivers globally known to exhibit a tidal bore, a rare phenomenon where the leading edge of the incoming tide creates a wave that travels upstream against the current.
The flow of the Indus River remains relatively constant throughout the year, unaffected by seasonal changes.
Answer: False
The flow of the Indus River is significantly influenced by seasons, diminishing greatly in winter and experiencing floods during the monsoon season, thus not remaining constant.
The Indus River has shown a steady eastward shift in its course since prehistoric times.
Answer: False
Evidence indicates a steady westward shift in the Indus River's course since prehistoric times, not eastward.
The Indus River is an antecedent river, meaning it formed after the Himalayas and carved its path through pre-existing valleys.
Answer: False
The Indus River is an antecedent river, meaning it existed before the Himalayas and carved its path through the rising mountains as they were forming, not after.
The Indus submarine fan is the largest sediment body on Earth, containing approximately 10 million cubic kilometers of material.
Answer: False
The Indus submarine fan is the second largest sediment body on Earth, containing around 5 million cubic kilometers of material, not 10 million.
Studies indicate that the Himalayas are the single most important source of sediment for the modern Indus River.
Answer: False
Studies indicate that the Karakoram Mountains are the single most important source of sediment for the modern Indus River, with the Himalayas providing the next largest contribution.
Which of the following best describes the geographical classification of the Indus River?
Answer: A transboundary and trans-Himalayan river, traversing South and Central Asia.
The Indus River is accurately classified as a transboundary and trans-Himalayan river, as it originates in China and flows through various regions of South and Central Asia before reaching the Arabian Sea.
What is the approximate total length of the Indus River according to the *Himalayan Climate and Water Atlas* (2015)?
Answer: 3,180 km (1,980 mi)
According to the *Himalayan Climate and Water Atlas* (2015), the total length of the Indus River is reported as 3,180 km (1,980 mi).
In which country does the Indus River originate?
Answer: China
The Indus River originates in western China, specifically in Tibet, near Mount Kailash.
Which of these cities is NOT listed as a major city located along the Indus River?
Answer: Lahore
The source lists Sukkur, Karachi, and Hyderabad as major cities along the Indus River, but Lahore is not mentioned in this context.
What is the traditional name for the ultimate source of the Indus River near Mount Kailash?
Answer: Sênggê Kanbab
The traditional ultimate source of the Indus River near Mount Kailash is Sênggê Kanbab, also known as 'Lion's Mouth'.
What geographical feature defines the western anchor of the Himalayan mountain range as the Indus River bends around it?
Answer: The Nanga Parbat massif
The Nanga Parbat massif is the geographical feature that defines the western anchor of the Himalayan mountain range, around which the Indus River bends sharply.
Which of the following is a primary left-bank tributary of the Indus River?
Answer: Panjnad River
The Panjnad River is identified as a primary left-bank tributary of the Indus River, formed by the confluence of the five Punjab rivers.
The Indus-Yarlung suture zone defines the boundary where which two tectonic plates collided?
Answer: Indian plate and Eurasian plate
The Indus-Yarlung suture zone marks the geological boundary where the Indian plate collided with the Eurasian plate approximately 50 million years ago.
What does the name 'Punjab' literally mean, referring to the region formed by the Indus and its tributaries?
Answer: Land of five rivers
The name 'Punjab' literally translates to 'land of five rivers,' referring to the five rivers (Jhelum, Chenab, Ravi, Beas, and Sutlej) that converge to join the Indus in this region.
What is the estimated average annual flow of the Indus River?
Answer: 175 km³/a
The estimated average annual flow of the Indus River is approximately 175 km³/a, making it one of the world's largest rivers by discharge.
Which tributary of the Indus River has a greater volume of water than the Indus itself before their confluence in Ladakh?
Answer: Zanskar River
The Zanskar River, a left-bank tributary, contributes a greater volume of water than the Indus itself before their confluence in Ladakh.
What rare tidal phenomenon is the Indus River known to exhibit?
Answer: Tidal bore
The Indus River is known to exhibit a tidal bore, a rare phenomenon where the incoming tide forms a wave that travels upstream against the river's current.
How does the flow of the Indus River typically change during the winter months?
Answer: It diminishes greatly.
The flow of the Indus River typically diminishes greatly during the winter months, as it is largely determined by seasonal changes.
What historical shift in the Indus River's course has been observed since prehistoric times?
Answer: A steady westward shift.
Evidence indicates a steady westward shift in the Indus River's course since prehistoric times, notably deviating from the Rann of Kutch.
What is the geological classification of the Indus River, indicating it existed before the Himalayas and carved its path through them?
Answer: Antecedent river
The Indus River is classified as an antecedent river, a geological term indicating that it existed prior to the formation of the Himalayas and carved its course through the rising mountain range.
Which mountain range is identified as the single most important source of sediment for the modern Indus River?
Answer: The Karakoram Mountains
Studies of modern river sediment indicate that the Karakoram Mountains are the single most important source of material for the modern Indus River, with the Himalayas contributing the next largest amount.
What is the average discharge of the Indus River at Tarbela Dam, based on the period 1971–2000?
Answer: 2,469 m³/s
Based on data from 1971–2000, the average discharge of the Indus River at Tarbela Dam is 2,469 m³/s.
What is the elevation of the Indus River at its mouth in the Arabian Sea?
Answer: 0 meters (0 ft)
The elevation of the Indus River at its mouth in the Arabian Sea, specifically at the Indus River Delta, is 0 meters (0 ft), marking its lowest point.
The Indus Valley Civilisation flourished during the Iron Age, with major cities like Harappa and Mohenjo-daro.
Answer: False
The Indus Valley Civilisation was a major urban civilization of the Bronze Age, not the Iron Age, and featured cities such as Harappa and Mohenjo-daro.
The Rigvedic 'Sindhu' is widely believed to be the present-day Indus River and is mentioned 176 times in the Rigveda.
Answer: True
The Rigvedic 'Sindhu' is indeed widely identified with the modern Indus River and is mentioned 176 times in the Rigveda hymns.
The Western world first became aware of the Indus River during the Roman Empire, through the explorations of Julius Caesar.
Answer: False
The Western world gained knowledge of the Indus River much earlier, around 515 BC, when King Darius of Persia sent Scylax of Caryanda to explore it, predating the Roman Empire and Julius Caesar.
The English word 'Indus' is directly derived from the Sanskrit word 'sindhu' without any intermediate linguistic stages.
Answer: False
The English word 'Indus' is derived from Sanskrit 'sindhu' through several intermediate linguistic stages, including Avestan, Old Persian, Ancient Greek, and Latin.
The Indus Valley Civilisation extended from northeast Afghanistan to Kutch in modern Gujarat, India, and even had a site near Delhi.
Answer: True
The geographical extent of the Indus Valley Civilisation was indeed vast, stretching from northeast Afghanistan across Pakistan and into northwest India, including coastal settlements in Gujarat and a site near Delhi.
The majority of Indus script seals and inscribed objects were discovered at sites far from the Indus River itself, such as in Afghanistan.
Answer: False
The majority of Indus script seals and inscribed objects were discovered at archaeological sites located directly along the Indus River, such as Mohenjo-daro and Harappa, not far from it.
The word 'India' was first used by Greek writers in 300 BC to refer to the entire Indian subcontinent, having originated from the Indus River.
Answer: True
The word 'India' is derived from the Indus River, and by 300 BC, Greek writers had expanded its use to refer to the entire Indian subcontinent.
The Induan Age, marking the beginning of the Triassic Period, is named after the Indus region.
Answer: True
The Induan Age, which signifies the commencement of the Triassic Period in geological time, is indeed named for the Indus region, highlighting its geological importance.
In which historical period did the Indus Valley Civilisation flourish?
Answer: Bronze Age
The Indus Valley Civilisation was a prominent urban civilization that flourished during the Bronze Age, specifically in the 3rd millennium BC.
How many times is the Rigvedic 'Sindhu' (believed to be the Indus River) mentioned in the Rigveda?
Answer: 176 times
The Rigvedic 'Sindhu,' widely identified as the Indus River, is mentioned 176 times in the Rigveda hymns.
Who was sent by King Darius of Persia to explore the Indus River around 515 BC, bringing it into Western knowledge?
Answer: Scylax of Caryanda
Around 515 BC, King Darius of Persia dispatched his Greek subject, Scylax of Caryanda, to explore the Indus River, thereby introducing it to Western knowledge.
The English word 'Indus' ultimately shares a Proto Indo-Iranian root with which Sanskrit word?
Answer: Sindhu
The English word 'Indus' ultimately shares a Proto Indo-Iranian root with the Sanskrit word 'sindhu,' from which it is derived through various linguistic stages.
Which of the following was NOT a region covered by the Indus Valley Civilisation?
Answer: Southern Iran
The Indus Valley Civilisation extended from northeast Afghanistan across Pakistan and into northwest India, including coastal settlements in Gujarat, but Southern Iran is not listed as a covered region.
Where were the majority of Indus script seals and inscribed objects discovered?
Answer: At sites located along the Indus River itself.
The majority of Indus script seals and inscribed objects were discovered at archaeological sites situated directly along the Indus River, such as Mohenjo-daro and Harappa.
The word 'India' initially referred to which regions along the Indus River?
Answer: Regions immediately along the east bank, comprising Punjab and Sindh.
The word 'India' initially referred to the regions immediately along the east bank of the Indus River, specifically Punjab and Sindh, before its meaning expanded to encompass the entire subcontinent.
The Induan Age, marking the beginning of the Triassic Period, is named after which geographical feature?
Answer: The Indus region
The Induan Age, which marks the beginning of the Triassic Period in geological time, is named after the Indus region, signifying its geological importance.
After its confluence with the Panjnad River at Mithankot, the Indus River was historically named what?
Answer: Satnad River
Historically, after its confluence with the Panjnad River at Mithankot, the Indus River was named the Satnad River, meaning 'seven rivers'.
Alexander's campaign accounts suggest that the Indus Valley historically had sparse forest cover, similar to its current arid state.
Answer: False
Accounts from Alexander's campaign indicate that the Indus Valley historically had healthy and extensive forest cover, a stark contrast to its current arid state, which is largely due to deforestation and human interference.
The Indus River dolphin is a critically endangered species found exclusively in the Indus River.
Answer: True
The Indus River dolphin (Platanista indicus minor) is indeed a critically endangered subspecies of the South Asian river dolphin, found exclusively within the Indus River system.
The smooth-coated otters in the Indus River basin represent a unique subspecies known as the Sindh otter.
Answer: True
The smooth-coated otters found in the Indus River basin do indeed represent a unique subspecies, the Sindh otter (Lutrogale perspicillata sindica), which is endemic to this region.
The Indus River basin is home to over 180 freshwater fish species, none of which are endemic.
Answer: False
The Indus River basin is home to over 180 freshwater fish species, and notably, 22 of these are endemic, meaning they are found nowhere else.
What was the historical state of forest cover in the Indus Valley according to accounts from Alexander's campaign?
Answer: Healthy and extensive.
Accounts from Alexander's campaign suggest that the Indus Valley historically possessed healthy and extensive forest cover, a significant contrast to its present arid conditions.
What unique mammal species is found exclusively in the Indus River?
Answer: Indus River dolphin
The Indus River dolphin (Platanista indicus minor) is a unique and critically endangered mammal species found exclusively within the Indus River system.
What is the unique subspecies of smooth-coated otter found in the Indus River basin?
Answer: Sindh otter
The smooth-coated otters in the Indus River basin represent a unique subspecies known as the Sindh otter (Lutrogale perspicillata sindica), which is endemic to this region.
How many endemic freshwater fish species are found in the Indus River basin?
Answer: 22
The Indus River basin is home to over 180 freshwater fish species, and specifically, 22 of these are endemic, meaning they are found exclusively in this basin.
The Indus River is economically important for Pakistan primarily due to its hydroelectric power generation, with agriculture being a secondary benefit.
Answer: False
The Indus River's primary economic importance for Pakistan lies in supplying water for agriculture and food production in the Punjab and Sindh plains, with hydroelectric power generation being a significant but not primary benefit mentioned in the context of its most important role.
The 1960 Indus Waters Treaty guaranteed India upstream control over the Indus River and its western tributaries.
Answer: False
The 1960 Indus Waters Treaty guaranteed Pakistan water from the Indus River and its western tributaries (Jhelum and Chenab), independent of India's upstream control, not the other way around.
The Mangla Dam was constructed on the Indus River as part of the Indus Basin Project.
Answer: False
The Mangla Dam was constructed on the Jhelum River as part of the Indus Basin Project, while the Tarbela Dam was built on the Indus River.
Since the 1940s, extensive irrigation systems have increased the annual flow of water and silt to the Indus River Delta.
Answer: False
Since the 1940s, the construction of extensive irrigation systems and dams has significantly reduced the annual flow of water and silt to the Indus River Delta, not increased it.
The Indus River is identified as the largest contributor to plastic pollution in the world's oceans.
Answer: False
The Indus River is identified as the second largest contributor to plastic pollution in the world's oceans, after the Yangtze River.
Levees along the Indus River in Sindh province have led to rapid aggradation of the riverbed over the last 20 years.
Answer: True
The construction of levees along the Indus River in Sindh province has indeed led to rapid aggradation of the riverbed over the past two decades, causing sediment deposition and upstream breaches.
What is the most important economic role of the Indus River for Pakistan, particularly in the Punjab and Sindh plains?
Answer: Supplying water resources vital for agriculture and food production.
The most important economic role of the Indus River for Pakistan is its provision of vital water resources for agriculture and food production in the Punjab and Sindh plains.
What was the primary purpose of the 1960 Indus Waters Treaty between India and Pakistan?
Answer: To guarantee Pakistan water from the Indus and its western tributaries, independent of India's upstream control.
The primary purpose of the 1960 Indus Waters Treaty was to guarantee Pakistan water from the Indus River and its western tributaries (Jhelum and Chenab), ensuring its water security independent of India's upstream management.
Which two main dams were constructed as part of the Indus Basin Project?
Answer: Mangla Dam and Tarbela Dam
The Indus Basin Project primarily involved the construction of the Mangla Dam on the Jhelum River and the Tarbela Dam on the Indus River.
What is the Indus River's rank among contributors to plastic pollution in the world's oceans?
Answer: Second
The Indus River is identified as the second largest contributor to plastic pollution in the world's oceans, after the Yangtze River.
What is the effect of levee construction on the Indus River's aggradation?
Answer: It has led to rapid aggradation of the riverbed.
The construction of levees along the Indus River has resulted in rapid aggradation of the riverbed over the last two decades, leading to increased sediment deposition.
The Indus River is considered sacred to Hindus, with festivals like the Sindhu Darshan Festival held on its banks.
Answer: True
The Indus River is indeed considered sacred by Hindus, and the Sindhu Darshan Festival is annually celebrated on its banks, highlighting its deep religious importance.
Modern Indus Valley populations show less West Eurasian genetic admixture compared to other South Asians.
Answer: False
Modern Indus Valley populations actually exhibit a greater amount of ANI (Ancestral North Indian) or West Eurasian genetic admixture compared to other South Asians, indicating more sustained migrations from the west.
Richard Holbrooke predicted that rising water levels in the Indus River could lead to a major international conflict.
Answer: False
Richard Holbrooke predicted that falling water levels in the Indus River, not rising levels, could potentially precipitate World War III, highlighting concerns about water scarcity.
The 2010 Pakistan floods were caused by a tsunami in the Arabian Sea, leading to widespread devastation.
Answer: False
The devastating 2010 Pakistan floods were caused by abnormally heavy monsoon rains, which led the Indus River to overflow its banks, not a tsunami.
What cultural significance does the Sindhu Darshan Festival highlight for Hindus?
Answer: The river being considered sacred.
The Sindhu Darshan Festival highlights the cultural significance of the Indus River for Hindus, who consider it sacred.
What did U.S. diplomat Richard Holbrooke suggest could be precipitated by falling water levels in the Indus River?
Answer: World War III.
U.S. diplomat Richard Holbrooke suggested that falling water levels in the Indus River could potentially precipitate 'World War III,' underscoring the severe geopolitical risks associated with water scarcity.
What was the primary cause of the devastating 2010 Pakistan floods?
Answer: Abnormally heavy monsoon rains.
The devastating 2010 Pakistan floods were primarily caused by abnormally heavy monsoon rains, which led to the Indus River overflowing its banks.