Geography Set 8 | MROY Class

Geography Set 8 Questions & Answers

According to the geosynclinal origin theory of the Himalayas supported by Argand, Kober, and Suess, the Tethys Sea was formed due to the disintegration of which supercontinent about 200 million years back? – Pangaea
The first major phase of tectonic uplift in the Himalayas, which elevated the central axis of ancient crystalline and meta-sedimentary rocks, began during which geological timeframe? – Paleogene Period (beginning roughly 65 million years ago)
During the Himalayan orogeny, continuous geosynclinal sedimentation led to the underthrusting of the Indian shield against the Tibetan Massif, resulting in the outflow of ultrabasic rocks. These exotic blocks are known as: – Ophiolites
Sir S. Burrard divided the Himalayas into how many transverse divisions from west to east? – Four
The longitudinal valleys known locally as Doons or Duns (such as Dehra Dun, Kotli, and Kathmandu) are structurally located between which two mountain ranges? – Shiwaliks and Lesser Himalayas
The Banihal Pass, which was historically traversed by the Jawahar Tunnel for year-round surface transport, is located in which mountain range? – Pir-Panjal Range
Which of the following high-altitude passes connects Arunachal Pradesh with Lhasa, the capital of Tibet? – Bomdi La
Nathu La, an ancient trading border post and part of an offshoot of the Silk Road, was reopened in the year 2006. It is located in which Indian state? – Sikkim
According to geographical variations, what is the altitude of the snowline in the North Eastern Himalayas (Arunachal Pradesh)? – 4400 m
Measuring approximately 15 km in length, which of the following is the longest glacier of the Pir-Panjal range, located in the Chandra Valley of the Lahul and Spiti region? – Sonapani Glacier
Which of the following is cited as evidence supporting the geological theory regarding the recession of the Tethys Sea and the formation of the Northern Plains? – The presence of saline water lakes in Rajasthan
The Giant Robber Crab, known for its powerful claws that can climb coconut trees and break hard shells, is found in the Wandoor Marine Biosphere Reserve located in: – South Andaman and Great Nicobar Islands
In the classification of river basins in India, a “medium basin” is defined as having a catchment area between: – 2,000 to 20,000 sq km
The Indus System, the Ganga System, and the Brahmaputra System collectively constitute which broad category of Indian drainage based on mode of origin? – Extra-Peninsular Drainage (Himalayan Drainage)
The Ramganga river, a comparatively small river that rises in the Kumaun Himalayas, joins the River Ganga in which district of Uttar Pradesh? – Hardoi
Rising from the Milam Glacier in the Kumaon Himalayas (Uttarakhand), a major headwater of the Sharda River system is initially known by which name? – Goriganga
The Karnali river is a prominent river that flows into the Ganga Plain as the Ghagra. What is it known as in the Nepal Himalayas? – Kauriala
Which major easterly river of the Peninsular Region rises to the southwest of Ranchi, passes through Jamshedpur, and flows into the Bay of Bengal near Balasore? – Subarnarekha
An ancient historical shift demonstrates the process of river capturing: the city of Multan was formerly located along the Ravi River, but today it is situated about 60 km south of its confluence with the: – Chenab
The dry valley of the Ghaggar in Rajasthan provides evidence of river capturing. According to geological history, which ancient river’s upper course was captured by a tributary of the Ganga, leading to its drying up? – Saraswati River
Renuka Lake, which hosts a Lion Safari, a zoo, and an annual fair in the month of November, is situated in which district of Himachal Pradesh? – Sirmaur
In 1942, approximately 600 skeletons were discovered at the edge of which uninhabited, high-altitude lake in Uttarakhand? – Roopkund
The Tawa Reservoir, located in Hoshangabad on the River Narmada, forms the western boundary of which protected areas? – Satpura National Park and Bori Wild Life Sanctuary
To support water harvesting, the Prime Minister’s Gramodaya Yojana has earmarked what percentage of its total allocation exclusively for funding schemes under the submission on sustainability? – 25 per cent
The proposed Brahmaputra-Ganga Link Canal Project involves constructing a 320 km long feeder canal linking the Dhubri Barrage in Lower Assam to which other barrage? – Farakka Barrage
Also known as the “Rat-tail,” the Thalaiyar Waterfall is a tiresome but rewarding approach for tourists. Near which town in Tamil Nadu is it located? – Kodaikanal
A great attraction for domestic and international tourists, the Vazhachal Falls are located in which district of Kerala? – Thrissur
In India, an inverse relationship generally exists between average annual rainfall and variability. In which of the following areas is the highest rainfall variability (over 60 per cent) found? – The desert areas of Barmer, Ganganagar, and Jaisalmer
In 1971, Professor R.L. Singh divided India into 10 major climatic divisions. According to his classification, the Humid North-East division (which includes Assam, Meghalaya, etc.) records an average annual rainfall of more than: – 200 cm
Following the devastating floods of 1954, the National Flood Control Programme was launched in India. How long did the “Immediate Phase” of this programme extend? – Over two years

MROY Class

Geography Set 8

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📌 Geography • Geomorphology

Q.1) According to the geosynclinal origin theory of the Himalayas supported by Argand, Kober, and Suess, the Tethys Sea was formed due to the disintegration of which supercontinent about 200 million years back?

Ans > Pangaea

Explanation: According to geologists Argand, Kober, and Suess, the disintegration of Pangaea about 200 million years back led to the formation of a long Tethys Sea between the Eurasian Shield (Angaraland) of the north and Gondwanaland of the south.
The Theory of Continental Drift: The concept of a single prehistoric supercontinent was comprehensively formulated by meteorologist Alfred Wegener in 1912. He proposed that all of Earth’s landmasses were originally joined together in a massive supercontinent called Pangaea, which was entirely surrounded by a global ocean known as Panthalassa. This laid the groundwork for modern plate tectonics.
Formation of the Tethys Sea: During the Mesozoic Era, roughly 200 million years ago, Pangaea began to fracture into two massive landmasses: Laurasia (or Angaraland) in the northern hemisphere and Gondwanaland in the southern hemisphere. The vast, shallow body of oceanic water that filled the widening gap between these two diverging landmasses became known as the Tethys Sea.
The Himalayan Orogeny: As the Indian Plate broke away from Gondwanaland and rapidly drifted northward, it eventually collided with the Eurasian Plate. The intense tectonic compression caused the thick layers of marine sediments at the bottom of the Tethys Sea to buckle, fold, and uplift. This tectonic process completely closed the Tethys Sea and gave birth to the Himalayan mountain range.

📌 Geography • Geological History

Q.2) The first major phase of tectonic uplift in the Himalayas, which elevated the central axis of ancient crystalline and meta-sedimentary rocks, began during which geological timeframe?

Ans > Paleogene Period (beginning roughly 65 million years ago)

Explanation: The first major phase of uplift in the Himalayas began around 65 million years ago during the Paleogene Period (spanning the Paleocene and Eocene epochs) following the collision of the Indian Plate with the Eurasian Plate, which led to the initial formation of the Greater Himalayas.
The Paleogene Period Context: The Paleogene Period marks the beginning of the Cenozoic Era, immediately following the mass extinction that wiped out the dinosaurs 66 million years ago. It encompasses the Paleocene, Eocene, and Oligocene epochs. This period was characterized by massive global tectonic shifts, most notably the closing of the Tethys Ocean and the aggressive convergence of continental plates.
The Indian Plate’s Epic Journey: After breaking off from Madagascar and Antarctica, the Indian continental plate embarked on a highly rapid northward journey across the ancient ocean. Traveling at speeds of up to 15-20 centimeters per year—an unusually fast pace in geological terms—it eventually slammed into the stationary Eurasian landmass.
Phases of Himalayan Uplift: The creation of the Himalayas did not happen in a single event but occurred in three distinct phases. The first phase during the Paleogene thrust up the massive Greater Himalayas. Millions of years later, during the Miocene epoch, the Lesser Himalayas were formed. Finally, the Shiwaliks (Outer Himalayas) emerged during the Pliocene and Pleistocene epochs.

📌 Geography • Geology

Q.3) During the Himalayan orogeny, continuous geosynclinal sedimentation led to the underthrusting of the Indian shield against the Tibetan Massif, resulting in the outflow of ultrabasic rocks. These exotic blocks are known as:

Ans > Ophiolites

Explanation: The buckling of geosynclinal deposits due to the underthrusting of the Indian shield against the Tibetan Massif resulted in the outflow of a large amount of ultrabasic rocks known as ophiolites.
Understanding Ophiolites: Ophiolites are unique geological sequences of rock that represent fragments of ancient oceanic crust and underlying upper mantle. Through the violent process of tectonic collision, instead of being subducted beneath a continental plate, these heavy, ultrabasic rocks are obducted—scraped off and thrust upwards onto the edges of the continental crust.
The Indus-Yarlung Suture Zone: In the context of Indian geography, these ophiolite sequences are primarily found along the Indus-Yarlung Suture Zone. This specific geographical line represents the exact tectonic boundary where the Indian plate violently collided with and sutured itself to the Eurasian plate, trapping the remnants of the Tethys Ocean floor between them.
Significance in Geological Studies: Ophiolites serve as crucial evidence for geologists studying Earth’s history. Because they contain deep-sea sediments, basaltic lavas, and mantle rocks, they provide undeniable proof that a vast ocean once existed where the towering Himalayan mountains currently stand, perfectly corroborating the theory of continental drift.

📌 Geography • Physiography

Q.4) Sir S. Burrard divided the Himalayas into how many transverse divisions from west to east?

Ans > Four

Explanation: The Himalayas have been divided by Sir S. Burrard into four transverse divisions: (i) The Western Himalayas, (ii) The Kumaun Himalayas, (iii) The Nepal Himalayas, and (iv) The Assam Himalayas.
Rationale for Transverse Division: While the Himalayas are traditionally classified longitudinally (Greater, Lesser, and Outer Himalayas based on altitude and formation), geographers also classify them transversely from West to East. This transverse classification relies on major, antecedent river valleys that naturally dissect the massive mountain range into distinct geographical and cultural sections.
The Four Specific Boundaries: Sir Sidney Burrard established four exact divisions utilizing these river boundaries. The Punjab/Western Himalayas lie between the Indus and Satluj rivers. The Kumaun Himalayas stretch from the Satluj to the Kali river. The Nepal Himalayas are situated between the Kali and Teesta rivers. Finally, the Assam Himalayas extend from the Teesta to the Dihang (Brahmaputra) river.
Sir Sidney Burrard’s Legacy: Sir Sidney Gerald Burrard was a prominent British surveyor who served as the Surveyor General of India in the early 20th century. His meticulous topographical surveys and geological insights into the origin of the Himalayas laid the foundational framework for the modern geographical study of the Indian subcontinent’s northern frontiers.

📌 Geography • Physiography

Q.5) The longitudinal valleys known locally as Doons or Duns (such as Dehra Dun, Kotli, and Kathmandu) are structurally located between which two mountain ranges?

Ans > Shiwaliks and Lesser Himalayas

Explanation: Between the Shiwaliks and the Lesser Himalayas are longitudinal valleys called Doons/Duns, with some of the most important being Dehra Dun, Potli, Kotli, Kathmandu, Chumbi, and Kyarda.
Geological Formation of Duns: Duns are structurally formed longitudinal valleys that run parallel to the mountain ranges. When the Shiwalik ranges were uplifted during the final phase of the Himalayan orogeny, they obstructed the courses of rivers draining southward from the Lesser Himalayas. This damming effect created temporary, massive lakes in the valleys between the two ranges.
Topography and Soil Composition: Over thousands of years, these temporary lakes completely filled up with thick deposits of alluvial soils, coarse gravel, boulders, and pebbles brought down by the mountain streams. Eventually, the rivers cut through the Shiwaliks, draining the lakes and leaving behind wide, flat-bottomed valleys characterized by rich, fertile alluvial fans.
Economic and Settlement Significance: Because they are exceptionally flat and sheltered compared to the steep surrounding mountains, Duns are highly populated and economically vital. Dehradun, the capital of Uttarakhand, is the most famous example. These valleys support intensive agriculture, extensive tea gardens, basmati rice cultivation, and major urban settlements in otherwise rugged terrain.

📌 Geography • Mountain Passes

Q.6) The Banihal Pass, which was historically traversed by the Jawahar Tunnel for year-round surface transport, is located in which mountain range?

Ans > Pir-Panjal Range

Explanation: The Banihal Pass (Jawahar Tunnel) is situated at an elevation of 2832 m in the Pir-Panjal Range and joins Jammu with Srinagar.
Strategic Location of Banihal Pass: The Banihal Pass is a critical mountain pass located in the Pir-Panjal Range of the Lesser Himalayas. Historically, it served as the primary gateway separating the Kashmir Valley from the Jammu region and the rest of the Indian plains. Due to heavy snowfall, the natural pass at 2,832 meters was frequently closed during the harsh winter months.
The Engineering of the Jawahar Tunnel: To ensure year-round connectivity, the Indian government constructed the Jawahar Tunnel beneath the Banihal Pass. Inaugurated in 1956 and named after India’s first Prime Minister, this 2.5-kilometer-long tunnel bypassed the heavy snow zones, revolutionizing trade, military logistics, and civilian movement between Jammu and Srinagar.
Modern Replacements and Upgrades: As traffic volumes increased over the decades, the Jawahar tunnel faced severe congestion and structural wear. To modernize the route, the new 8.45-kilometer Banihal-Qazigund Road Tunnel was opened in 2021. Built at a lower elevation, it further reduces the travel distance and is entirely immune to avalanches and extreme winter weather blockades.

📌 Geography • Mountain Passes

Q.7) Which of the following high-altitude passes connects Arunachal Pradesh with Lhasa, the capital of Tibet?

Ans > Bomdi La

Explanation: Bomdi La is situated to the east of Bhutan in the Greater Himalayas in Arunachal Pradesh at an altitude of about 2600 m above sea level, and it connects Arunachal Pradesh with Lhasa, the capital of Tibet.
Geographical Placement and Access: Bomdi La is a highly strategic mountain pass located in the western part of Arunachal Pradesh, nestled in the Greater Himalayas. Sitting at an altitude of roughly 2,600 meters (though some nearby road sections are much higher), it serves as the crucial gateway linking the Tezpur plains of Assam to the high-altitude Tawang district.
Historical and Strategic Importance: The pass holds profound historical significance, particularly regarding the 1962 Sino-Indian War. The Chinese People’s Liberation Army advanced deep into Indian territory through this sector, crossing Bomdi La before eventually declaring a ceasefire. Today, it is a heavily fortified sector maintained continuously by the Indian Army and the Border Roads Organisation (BRO).
Cultural and Trade Significance: Beyond its military importance, Bomdi La has historically been an ancient trade route connecting the local Monpa populations with Lhasa, the capital of Tibet. The region is heavily influenced by Tibetan Buddhism, and the pass allows access to the famous Tawang Monastery, which is the second-largest Buddhist monastery in the world.

📌 Geography • Mountain Passes

Q.8) Nathu La, an ancient trading border post and part of an offshoot of the Silk Road, was reopened in the year 2006. It is located in which Indian state?

Ans > Sikkim

Explanation: Nathu La is located on the Indo-China border in Sikkim at 4310 m above sea level and forms part of an offshoot of the ancient Silk Road. After being closed during the 1962 war, it was officially reopened for trade in 2006.
The Ancient Silk Road Connection: Nathu La, translating to “Listening Ears Pass” in Tibetan, is positioned at a staggering altitude of 4,310 meters. For centuries, it functioned as a vital artery of the ancient Silk Road, facilitating a thriving exchange of silk, gold, wool, and horses between the merchants of Tibet and the Indian subcontinent via the Chumbi Valley.
Geopolitical Timeline and Closure: Following the Tibetan uprising in 1959 and the subsequent 1962 Sino-Indian War, Nathu La witnessed heavy military buildup and skirmishes (particularly the 1967 Nathu La and Cho La clashes). Consequently, the pass was completely sealed off, severing the historic trade ties and dividing families on both sides of the border for over four decades.
Reopening and Modern Diplomacy: In a major diplomatic breakthrough, the pass was officially reopened for bilateral border trade in 2006. Today, it allows a regulated exchange of specific commodities and serves as an important crossing point for Indian pilgrims undertaking the sacred Kailash Mansarovar Yatra, significantly reducing their travel time compared to traditional routes.

📌 Geography • Climatology

Q.9) According to geographical variations, what is the altitude of the snowline in the North Eastern Himalayas (Arunachal Pradesh)?

Ans > 4400 m

Explanation: According to standard geographical data detailing the altitude of the snowline in the Himalayas, the snowline in the North Eastern Himalayas (Arunachal Pradesh) is situated at an altitude of approximately 4400 m.
Defining the Snowline: The snowline is a distinct climatic and geographical boundary on a mountain slope above which snow and ice cover the ground entirely year-round. It essentially marks the transition zone where the rate of snowfall accumulation exceeds the rate of melting and evaporation, leading to the formation of permanent glaciers and ice caps.
Variation Across the Himalayas: The snowline is not uniform across the Himalayan range; it varies significantly from west to east. In the Western Himalayas, the snowline sits much higher (around 5100 to 5500 meters) because the region is highly arid and receives less precipitation. In contrast, the Eastern Himalayas receive abundant monsoon moisture, causing the snowline to dip lower to around 4400 meters.
Impact of Climate Change: In recent decades, glaciologists have recorded alarming shifts in these established altitudes. Due to global warming and rising regional temperatures, the snowline in Arunachal Pradesh and the broader Eastern Himalayas is gradually receding upwards. This accelerated glacial melt threatens the perennial water supply of major downstream rivers like the Brahmaputra.

📌 Geography • Glaciology

Q.10) Measuring approximately 15 km in length, which of the following is the longest glacier of the Pir-Panjal range, located in the Chandra Valley of the Lahul and Spiti region?

Ans > Sonapani Glacier

Explanation: The longest glacier of the Pir-Panjal is the Sonapani glacier in the Chandra Valley of the Lahul and Spiti region. Its length is about 15 km at an altitude of about 4000 m near the Rohtang Pass.
Characteristics of the Pir-Panjal Glaciers: While the Karakoram and Greater Himalayan ranges are home to massive glaciers like Siachen and Gangotri, the Pir-Panjal range in the Lesser Himalayas hosts comparatively smaller glacial bodies due to its lower overall elevation. Despite this, the Sonapani Glacier stands out as the longest in this specific range, measuring roughly 15 kilometers.
Hydrological Importance of Sonapani: Situated near the famous Rohtang Pass in the Lahaul and Spiti district of Himachal Pradesh, the Sonapani Glacier plays a vital hydrological role. Its meltwaters feed directly into the Chandra River. The Chandra later merges with the Bhaga River to form the Chenab, one of the most critical river systems in the Indus Basin.
Historical Geological Surveys: Sonapani holds a special place in Indian glaciology because it is one of the earliest surveyed glaciers in the region. British surveyors first meticulously mapped and photographed it in 1906. Modern comparative studies using those century-old records reveal that the Sonapani glacier has been steadily retreating, providing undeniable visual evidence of climate change in the Himalayas.

📌 Geography • Geological History

Q.11) Which of the following is cited as evidence supporting the geological theory regarding the recession of the Tethys Sea and the formation of the Northern Plains?

Ans > The presence of saline water lakes in Rajasthan

Explanation: Evidence cited in favour of the recession of the Tethys Sea includes the presence of saline water lakes in Rajasthan, the occurrence of limestone rocks in the Kumaun-Garhwal region, and the joining of the islands of the Gulf of Kachchh with the mainland.
The Origin of Rajasthan’s Saline Lakes: The arid state of Rajasthan is home to several highly saline inland lakes, such as Sambhar, Pachpadra, and Didwana. Geologists posit that these saltwater basins are not anomalies but actual remnants of the ancient Tethys Sea. When tectonic forces uplifted the region, saltwater from the receding ocean was trapped in localized depressions, creating these lakes.
Stratigraphic and Fossil Evidence: Beyond the saline lakes, researchers have discovered extensive marine sedimentary rocks, including vast limestone deposits, high in the Kumaun-Garhwal Himalayas. More compellingly, fossils of ancient marine life—such as ammonites (locally revered as Shaligrams)—are frequently found in these high-altitude rocks, proving that this land was once completely submerged under a deep ocean.
The Aridification of Western India: The recession of the Tethys Sea drastically altered the climate of the Indian subcontinent. As the sea disappeared and the Himalayas rose, the moisture-bearing winds were blocked, and the once-coastal regions of Western India were starved of rain. Over millions of years, this geological shift transformed a lush, wet environment into the arid expanse known today as the Thar Desert.

📌 Geography • Biodiversity

Q.12) The Giant Robber Crab, known for its powerful claws that can climb coconut trees and break hard shells, is found in the Wandoor Marine Biosphere Reserve located in:

Ans > South Andaman and Great Nicobar Islands

Explanation: One of the largest and rarest crabs in the world, the Giant Robber Crab, can be found in the marine reserves and coastal areas of the South Andaman (near Wandoor) and Great Nicobar Islands.
Biological Profile of the Robber Crab: The Giant Robber Crab, also widely known as the Coconut Crab, is a fascinating crustacean and holds the title of the largest terrestrial arthropod in the world. Evolving from hermit crabs, adults develop a tough exoskeleton and no longer require shells for protection. They possess immense claw strength, capable of easily cracking open coconuts, which form a major part of their diet.
Wandoor Marine Biosphere Reserve Ecology: In India, these massive crabs are exclusively found in the pristine environments of the Andaman and Nicobar Islands. The Wandoor Marine Biosphere Reserve, officially a part of the Mahatma Gandhi Marine National Park in South Andaman, provides the perfect undisturbed coastal forest habitat, rich in organic matter and nesting grounds necessary for their survival.
Conservation Status and Threats: Despite their intimidating size, Giant Robber Crabs are highly vulnerable. They are slow-growing creatures and have historically faced severe threats from overhunting for exotic meat and widespread habitat destruction due to coastal development. Consequently, they are now strictly protected under India’s Wildlife Protection Act, making hunting or trading them a serious criminal offense.

📌 Geography • Drainage System

Q.13) In the classification of river basins in India, a “medium basin” is defined as having a catchment area between:

Ans > 2,000 to 20,000 sq km

Explanation: River basins in India are classified into three categories, with medium basins having a catchment area between 2,000 to 20,000 sq km. India has 44 such medium river basins.
Hydrological Basin Definitions: A river basin, or catchment area, is the entire geographical expanse of land from which water drains into a specific river and its tributaries. To efficiently manage water resources, design irrigation projects, and assess flood risks, the Central Water Commission (CWC) of India mathematically categorizes river basins based on their total square kilometer area.
India’s Three-Tier Classification: India utilizes a strict three-tier classification system. “Major basins” have a catchment area exceeding 20,000 sq km (there are 14 of these, including the Ganga and Godavari). “Medium basins” range between 2,000 and 20,000 sq km. Finally, “Minor basins” encompass areas with less than 2,000 sq km, usually comprising short coastal streams.
The Role of Medium Basins: India is home to exactly 44 medium river basins. While they don’t have the sheer volume of the major rivers, they are absolutely critical for regional water security. Many of these basins are located in the Saurashtra region of Gujarat, the coastal belts of Maharashtra, and the eastern seaboard, where they provide the primary water source for local agriculture and drinking supplies.

📌 Geography • Drainage System

Q.14) The Indus System, the Ganga System, and the Brahmaputra System collectively constitute which broad category of Indian drainage based on mode of origin?

Ans > Extra-Peninsular Drainage (Himalayan Drainage)

Explanation: On the basis of mode of origin, the drainage of India is divided into the Himalayan (or Extra-Peninsular) Drainage and the Peninsular Drainage. The rivers originating from the Himalayan and Trans-Himalayan regions primarily consist of the Indus, Ganga, and Brahmaputra systems.
Antecedent Drainage Patterns: A remarkable feature of the Extra-Peninsular (Himalayan) rivers is that many of them are “antecedent.” This means the rivers—like the Indus, Sutlej, and Brahmaputra—actually existed before the Himalayas were fully formed. As the mountains slowly pushed upward, the rivers continuously eroded the rock at the exact same rate, carving deep, dramatic gorges through the highest peaks on Earth.
Perennial Nature of Extra-Peninsular Rivers: Unlike the rivers of southern India which rely almost entirely on the monsoon, the Himalayan drainage system is strictly perennial. These rivers have a dual-feed system: they receive massive volumes of water from the Southwest Monsoon rains during the summer, and are steadily sustained by the melting of vast glaciers and snow caps during the dry winter months.
Geomorphological Work and Erosion: Because they originate at extremely high altitudes and flow down steep gradients, Extra-Peninsular rivers possess immense kinetic energy. In their upper mountain courses, they engage in severe vertical erosion, creating sharp V-shaped valleys and rapids. Upon entering the flat northern plains, they deposit millions of tons of this eroded silt, continuously fertilizing the vast Indo-Gangetic agricultural belt.

📌 Geography • Rivers

Q.15) The Ramganga river, a comparatively small river that rises in the Kumaun Himalayas, joins the River Ganga in which district of Uttar Pradesh?

Ans > Hardoi

Explanation: The Ramganga is a comparatively small river which rises in the Kumaun Himalayas and joins the River Ganga in the Hardoi district, opposite to Kannauj.
Origin and Upper Mountain Course: The Ramganga River originates in the lofty Dudhatoli ranges of the Kumaun Himalayas in Uttarakhand. In its upper mountainous stretch, it flows as a wild, turbulent river. It famously winds its way through the dense forests of the Jim Corbett National Park, serving as the primary hydrological lifeline for the reserve’s tigers, elephants, and diverse wildlife.
Agricultural and Hydrological Role: Upon leaving the mountains and entering the plains near Kalagarh, the river’s flow is managed by the massive Ramganga Dam. This multipurpose earth and rock-fill dam is crucial for the region, generating hydroelectric power and providing extensive irrigation networks that support thousands of hectares of sugarcane and wheat fields in western Uttar Pradesh.
Confluence Dynamics in the Plains: As the Ramganga flows southeast through the fertile plains of Uttar Pradesh, it gradually loses its torrential speed, transforming into a wide, meandering river. It ultimately merges into the left bank of the mighty Ganga River in the Hardoi district, directly opposite the historic city of Kannauj, significantly bolstering the main river’s volume before it reaches Kanpur.

📌 Geography • Rivers

Q.16) Rising from the Milam Glacier in the Kumaon Himalayas (Uttarakhand), a major headwater of the Sharda River system is initially known by which name?

Ans > Goriganga

Explanation: The Goriganga river rises from the Milam Glacier in the Kumaon Himalayas of Uttarakhand. It flows southward to join the Kali River at Jauljibi; the Kali River is later known as the Sharda River, which eventually joins the right bank of the Ghagra near Barabanki.
The Milam Glacier Source: The Goriganga river originates at an immense altitude from the dual snouts of the Milam Glacier, which is located in the Nanda Devi Biosphere Reserve in Uttarakhand. The glacier sits at the base of the towering Trisul and Hardeol peaks, providing a steady, icy feed to the river even during the driest pre-monsoon months.
River Course and Confluence at Jauljibi: The Goriganga carves a spectacularly deep and steep gorge as it rushes southward through the Pithoragarh district. The river is renowned for its icy, frothing white waters. It finally concludes its independent journey at the town of Jauljibi, where it violently merges with the Kali River, a confluence celebrated locally by an annual historical trade fair.
Hydroelectric Potential and Ecology: The intense gradient of the Gori river valley makes it an extremely lucrative site for run-of-the-river hydroelectric power projects. However, this has sparked intense debate. The valley is an ecological hotspot, home to rare snow leopards, Himalayan monals, and pristine alpine meadows, leading environmentalists to advocate for the protection of the Goriganga’s natural, un-dammed flow.

📌 Geography • Rivers

Q.17) The Karnali river is a prominent river that flows into the Ganga Plain as the Ghagra. What is it known as in the Nepal Himalayas?

Ans > Kauriala

Explanation: The Karnali is known as Kauriala in the Nepal Himalayas and as the Ghagra in the Ganga Plain.
Trans-Boundary Origins: The Karnali, also referred to as the Kauriala, is a massive trans-boundary river system. Its ultimate source lies high in the Tibetan Plateau near Lake Mapam Yumco, south of Mount Kailash. It cuts deep through the Himalayas into Nepal, where it is recognized as the country’s longest and largest river, known for its pristine, untamed rapids.
Contribution to the Ganga System: After exiting the rugged foothills of Nepal and crossing the international border into the Indian state of Uttar Pradesh, the river changes its name to the Ghagra. Hydrologically, it is phenomenally important; it is the largest tributary of the Ganga by volume, bringing massive amounts of Himalayan meltwater and monsoon runoff into the Gangetic basin.
Ecological and Cultural Significance: In both Nepal and India, the Karnali-Ghagra river system supports incredibly rich aquatic biodiversity. Its deep, clear waters are one of the last remaining strongholds for the endangered Ganges River Dolphin and the Gharial crocodile. Furthermore, the river flows past several sacred Hindu pilgrimage sites in Uttar Pradesh, making it a vital cultural artery.

📌 Geography • Rivers

Q.18) Which major easterly river of the Peninsular Region rises to the southwest of Ranchi, passes through Jamshedpur, and flows into the Bay of Bengal near Balasore?

Ans > Subarnarekha

Explanation: The Subarnarekha (length 400 km) rises a little to the southwest of Ranchi, passes through Jamshedpur, and flows to the Bay of Bengal near Balasore.
Origin and Etymology: The Subarnarekha River originates near the village of Piska on the mineral-rich Chota Nagpur Plateau in Jharkhand. Its name literally translates to “Streak of Gold” in local languages. This moniker stems from the historical reality that local indigenous tribes used to pan for tiny gold particles found in the river’s sandy bed near its origin.
The Industrial Lifeline: The Subarnarekha is arguably one of the most industrially significant rivers in eastern India. As it flows through Jharkhand, it passes directly through Jamshedpur, India’s premier steel city. The river provides the critical water supply required for cooling the massive blast furnaces of Tata Steel and serves domestic water needs for the surrounding urban agglomeration.
Estuarine Environment and Pollution: After flowing through West Bengal and Odisha, the Subarnarekha empties into the Bay of Bengal near Talsari beach. Unfortunately, its journey through heavy mining belts (copper and uranium) and industrial zones has severely compromised its water quality. Heavy metal pollution is a major environmental concern, threatening both the estuarine ecology and the livelihoods of coastal fishermen.

📌 Geography • River Capturing

Q.19) An ancient historical shift demonstrates the process of river capturing: the city of Multan was formerly located along the Ravi River, but today it is situated about 60 km south of its confluence with the:

Ans > Chenab

Explanation: Multan was formerly located along the Ravi River, but today it is situated about 60 km south of its confluence with the Chenab, showcasing traces of shifting river courses in the Punjab region.
The Concept of River Capturing: River capturing, or stream piracy, is a fascinating geomorphological phenomenon where a river system essentially “steals” the waters of an adjacent river. This usually occurs when tectonic uplift shifts the landscape gradient, or when a more aggressive river erodes backward into a neighboring valley, diverting the other river’s headwaters into its own channel.
Historical Geography of the Punjab: The massive flat plains of the Punjab are built entirely on soft alluvial soils. Because the terrain is so flat, the great rivers of the Indus basin (Jhelum, Chenab, Ravi, Beas, Sutlej) have repeatedly altered their courses over thousands of years. Minor tectonic tremors or massive monsoon floods easily force these rivers to carve entirely new channels.
Multan’s Geopolitical Shifts: The ancient fortress city of Multan perfectly illustrates this shifting geography. Historical texts and military records from antiquity place Multan directly on the banks of the Ravi River. However, due to centuries of gradual meandering and river capturing, the Ravi shifted away, and today the city sits near the Chenab, vastly altering its historical defensive topography.

📌 Geography • River Capturing

Q.20) The dry valley of the Ghaggar in Rajasthan provides evidence of river capturing. According to geological history, which ancient river’s upper course was captured by a tributary of the Ganga, leading to its drying up?

Ans > Saraswati River

Explanation: The ancient Saraswati River, which provided an abode for early Aryan settlers, gradually shifted towards the west. Later on, the water of its upper course was captured by a tributary of the Ganga River, giving birth to the Yamuna River and leaving the dry valley of the Saraswati in Rajasthan.
The Mythological and Historical Saraswati: The Saraswati River holds a paramount position in ancient Indian texts, highly revered in the Rig Veda as a mighty, flowing river that nurtured early Vedic civilization. Modern archaeological surveys strongly support this, revealing a massive concentration of Mature Harappan (Indus Valley Civilization) settlements lined up along what is now a completely dry riverbed in western India.
Tectonic Shifts and River Piracy: Geologists suggest that around 2000 BCE, severe tectonic activity in the Himalayas and the upliftment of the Aravalli range fundamentally altered the region’s slopes. The Yamuna, which was previously a tributary of the Saraswati, shifted east to join the Ganga (river capturing). Simultaneously, the Sutlej shifted west to join the Indus, effectively decapitating the Saraswati’s glacial water supply.
The Modern Ghaggar-Hakra System: Today, the physical remnant of this once-great river is the Ghaggar-Hakra system. It is now a seasonal, ephemeral stream that only flows during heavy monsoons, quickly disappearing into the sands of the Thar Desert. Recent satellite imagery by ISRO has extensively mapped these deep underground paleochannels, proving the existence of the massive ancient river course.

📌 Geography • Lakes

Q.21) Renuka Lake, which hosts a Lion Safari, a zoo, and an annual fair in the month of November, is situated in which district of Himachal Pradesh?

Ans > Sirmaur

Explanation: Situated in the Sirmaur District of Himachal Pradesh, Renuka Lake is named after the goddess Renuka and is a major site for an annual fair in the month of November.
Geological Formation of the Lake: Renuka Lake, situated in the Sirmaur district, is the largest natural lake in Himachal Pradesh, boasting a circumference of about 3.2 kilometers. Geologically, it is an excellent example of karst topography. The lake was formed over millennia by the gradual dissolution of underlying limestone rocks by underground water, creating a massive depression that filled with fresh mountain spring water.
Cultural and Religious Heritage: The lake is deeply intertwined with Hindu mythology. It is shaped like the profile of a reclining woman and is named after Goddess Renuka, the mother of Lord Parashurama (the sixth avatar of Vishnu). Every November, the massive Renuka Fair is held here, celebrating the mythological reunion of the mother and son, drawing thousands of pilgrims from across northern India.
Ramsar Wetland Status and Conservation: Due to its rich biodiversity and importance as a freshwater source, Renuka Lake was designated as a Ramsar Wetland of International Importance in 2005. It supports diverse flora and fauna, including a variety of migratory birds, fish, and turtles. The adjacent wildlife sanctuary and Lion Safari make it a critical zone for both ecological conservation and sustainable eco-tourism.

📌 Geography • Lakes

Q.22) In 1942, approximately 600 skeletons were discovered at the edge of which uninhabited, high-altitude lake in Uttarakhand?

Ans > Roopkund

Explanation: Situated in Uttarakhand at an altitude of about 5080 m, Roopkund is a glacial lake where around 600 human skeletons were found at its edge in 1942. Radio-carbon dating suggests these people died in an epidemic or a sudden severe hailstorm.
The Mystery of the Skeletons: Roopkund, a small glacial lake nestled at a dizzying altitude of 5,080 meters in the Trishul massif, gained international notoriety in 1942 when a forest ranger stumbled upon hundreds of human skeletons protruding from the ice. For decades, the site sparked wild theories, ranging from lost armies of General Zorawar Singh to cursed Tibetan merchants or victims of a mass epidemic.
Scientific Resolutions and DNA Evidence: Modern science finally unraveled parts of the mystery. Osteological analysis revealed unhealed skull fractures, leading experts to conclude that many died from a sudden, extraordinarily violent hailstorm. More shockingly, recent genetic testing showed that the skeletons belonged to distinct groups of people (some with Mediterranean DNA and others South Asian) who died in multiple separate events centuries apart.
Glacial Lake Ecology and Preservation: The lake remains frozen for 11 months of the year, which acts as a massive, natural deep-freeze. This extreme, sub-zero high-altitude ecology is precisely why the bones, wooden artifacts, and even fragments of flesh and clothing were preserved perfectly for over a thousand years. Today, Roopkund is a highly challenging and sought-after trekking destination, though authorities strictly regulate it to prevent looting of the bones.

📌 Geography • Protected Areas

Q.23) The Tawa Reservoir, located in Hoshangabad on the River Narmada, forms the western boundary of which protected areas?

Ans > Satpura National Park and Bori Wild Life Sanctuary

Explanation: Located in Hoshangabad on the River Narmada, the Tawa Reservoir was created by the Tawa Dam and forms the western boundary of Satpura National Park and Bori Wild Life Sanctuary.
Construction and Geography: The Tawa Reservoir was formed by the construction of the massive Tawa Dam, located at the confluence of the Tawa and Denwa rivers in the Hoshangabad district of Madhya Pradesh. Completed in 1978 after decades of construction, the dam serves as a vital multipurpose project, providing extensive irrigation to thousands of hectares of agricultural land and generating hydroelectric power.
Satpura Tiger Reserve Integration: The massive body of water created by the reservoir acts as the natural western boundary for the Satpura Tiger Reserve, which encompasses the Satpura National Park, Bori Wildlife Sanctuary, and Pachmarhi Sanctuary. The reservoir provides a permanent, abundant water source for the reserve’s dense populations of tigers, leopards, Indian bison (Gaur), and diverse prey base, especially during peak summer.
Ecotourism and Livelihoods: Today, the Tawa Reservoir is a thriving hub for ecotourism. Visitors explore the backwaters on boat safaris to spot crocodiles and migratory birds. Furthermore, the reservoir supports a robust local fishing cooperative. Managed by displaced tribal communities, this cooperative has become a model for sustainable inland fisheries and local economic empowerment in Central India.

📌 Geography • Water Management

Q.24) To support water harvesting, the Prime Minister’s Gramodaya Yojana has earmarked what percentage of its total allocation exclusively for funding schemes under the submission on sustainability?

Ans > 25 per cent

Explanation: Under the Prime Minister’s Gramodaya Yojana, 25 per cent out of the allocation has been earmarked for funding schemes under the submission on sustainability (focusing heavily on water harvesting and conservation).
Objectives of the PMGY: The Pradhan Mantri Gramodaya Yojana (PMGY) was launched in the early 2000s with the core objective of improving the quality of life in rural India. Rather than just focusing on broad economic metrics, the scheme targeted critical village-level human development indicators, including primary health, primary education, rural shelter, rural drinking water, and rural electrification.
Focus on Water Sustainability: Recognizing that providing water infrastructure is useless if the water tables are depleted, the government mandated a strict sustainability clause. Exactly 25 percent of the scheme’s total budget allocation was ring-fenced exclusively for sustainability projects. This meant funds had to be aggressively utilized for rainwater harvesting, building check dams, and recharging local groundwater aquifers.
Shift in Rural Development Strategy: This 25 percent earmark represented a significant paradigm shift in Indian policy. It moved the government’s approach away from simply drilling more tube wells (which extracts and depletes water) to an ecologically sound model of resource management. It enforced the idea that community-led water conservation is mandatory for long-term agricultural survival and drinking water security.

📌 Geography • Water Projects

Q.25) The proposed Brahmaputra-Ganga Link Canal Project involves constructing a 320 km long feeder canal linking the Dhubri Barrage in Lower Assam to which other barrage?

Ans > Farakka Barrage

Explanation: The proposed Brahmaputra-Ganga Link Canal Project involves the construction of a diversion barrage at Dhubri (Lower Assam) and a 320 km long feeder canal linking the Dhubri Barrage to the Farakka Barrage in West Bengal.
The National Perspective Plan: The Brahmaputra-Ganga link is a monumental component of India’s National Perspective Plan (NPP), conceptualized to interlink the country’s major rivers. The core philosophy is to transfer water from “surplus” basins, which experience devastating annual floods, to “deficit” basins that suffer from chronic droughts, thereby optimizing the nation’s total water resources for agriculture and navigation.
Technical Feasibility and Route: The engineering proposal involves constructing a massive barrage across the Brahmaputra at Dhubri in lower Assam. From there, a 320-kilometer gravity-flow feeder canal would be excavated to carry excess monsoon water directly into the Ganga river system just upstream of the Farakka Barrage in West Bengal. This would theoretically alleviate Assam’s flooding while boosting the Ganga’s lean-season flow.
Geopolitical and Ecological Hurdles: Despite its engineering brilliance, the project faces massive hurdles. Ecologists warn that mixing water from two distinct biomes could introduce invasive species and destroy local aquatic ecosystems. Furthermore, it has sparked severe geopolitical tension; Bangladesh, a lower riparian state, strongly opposes the diversion, fearing it will drastically reduce the freshwater flow essential for their agriculture and delta ecology.

📌 Geography • Waterfalls

Q.26) Also known as the “Rat-tail,” the Thalaiyar Waterfall is a tiresome but rewarding approach for tourists. Near which town in Tamil Nadu is it located?

Ans > Kodaikanal

Explanation: The Thalaiyar Waterfall, commonly referred to as the “Rat-tail” falls, is located near Kodaikanal in Tamil Nadu and stands at an impressive elevation of 297 m.
Topography of the Palani Hills: The Thalaiyar Waterfall is nestled deep within the rugged and densely forested Palani Hills, which form a prominent eastward extension of the Western Ghats. The unique geology of these hills features sheer, vertical granite cliffs. When the Manjalar River flows over this abrupt edge, it plunges straight down without hitting the rock face, creating the falls.
Measurement and Visual Characteristics: Standing at an awe-inspiring height of 297 meters (974 feet), Thalaiyar holds the record as the highest waterfall in the state of Tamil Nadu and ranks among the tallest in all of India. Viewed from a distance, the thin, silver cascade of water against the dark black cliff face distinctly resembles a long, tapering rat’s tail, hence its popular moniker.
Tourism and Accessibility Challenges: Unlike commercialized waterfalls, Thalaiyar is notoriously difficult to access. There are no paved roads to the base. Tourists usually view it from the Dum Dum Rock viewpoint on the Kodaikanal ghat road. Reaching the actual bottom requires a grueling, unmarked trek through thick jungle teeming with wildlife, making it a destination strictly for hardcore trekkers and adventurers.

📌 Geography • Waterfalls

Q.27) A great attraction for domestic and international tourists, the Vazhachal Falls are located in which district of Kerala?

Ans > Thrissur

Explanation: Located in the Thrissur District of Kerala, the Vazhachal Falls (situated close to the Athirappilly Falls) are among the best waterfalls in India and serve as a major attraction for tourists.
The Chalakudy River System: Vazhachal Falls is a spectacular cascade formed by the west-flowing Chalakudy River, which originates in the high ranges of the Anamudi mountains. Rather than a sheer vertical drop, Vazhachal is characterized by a rapidly sloping, rocky riverbed where the massive volume of water rushes fiercely through dense foliage, creating a visually stunning, foaming cascade over an expansive area.
Riparian Biodiversity Hotspot: The forest surrounding Vazhachal is exceptionally unique. It is one of the few remaining pristine riparian (riverside) evergreen forests in Kerala. This exact ecosystem is a global biodiversity hotspot, famously serving as a critical nesting habitat for all four species of South Indian Hornbills. The dense canopy is heavily protected by the Kerala Forest Department to preserve this fragile ecology.
Hydroelectric Project Controversies: The serene environment of Vazhachal and the nearby Athirappilly falls has been the epicenter of severe environmental battles. Proposals for a massive hydroelectric dam on the Chalakudy river threatened to submerge these waterfalls and destroy the riparian forests. Sustained protests by environmentalists, scientists, and local indigenous communities have successfully stalled the project for decades.

📌 Geography • Climatology

Q.28) In India, an inverse relationship generally exists between average annual rainfall and variability. In which of the following areas is the highest rainfall variability (over 60 per cent) found?

Ans > The desert areas of Barmer, Ganganagar, and Jaisalmer

Explanation: The highest variability of rainfall is found in areas where the average annual rainfall is the lowest. For example, the desert areas of Barmer, Ganganagar, Jaisalmer, and Jodhpur in Rajasthan have an annual rainfall variability of around 60 per cent or more.
The Concept of Rainfall Variability: In climatology, rainfall variability (measured as a coefficient of variation) indicates how mathematically erratic or unpredictable the rainfall is from year to year. A high percentage means the rain is highly unreliable. In India, a strict inverse law applies: regions that receive massive amounts of rain (like Meghalaya) have very low variability, meaning it rains predictably every year.
Meteorological Drivers in Rajasthan: The arid districts of Western Rajasthan (Barmer, Jaisalmer) experience the highest variability in the country, often exceeding 60 percent. This occurs because the Arabian Sea branch of the monsoon blows parallel to the Aravalli hills, failing to cause orographic rain. The region relies on rare, stray monsoon depressions; thus, one year might bring floods, followed by five years of absolute drought.
Agrarian and Socio-Economic Impact: This extreme climatic unpredictability makes traditional agriculture nearly impossible. Consequently, the local economy revolves primarily around resilient pastoralism (rearing sheep, goats, and camels) rather than water-intensive farming. When crops are grown, farmers rely strictly on hyper-resilient, drought-resistant varieties of millets like Bajra, which can survive the erratic moisture levels of the Thar Desert.

📌 Geography • Climatology

Q.29) In 1971, Professor R.L. Singh divided India into 10 major climatic divisions. According to his classification, the Humid North-East division (which includes Assam, Meghalaya, etc.) records an average annual rainfall of more than:

Ans > 200 cm

Explanation: According to Professor R.L. Singh’s Climatic Divisions of India (1971), the Humid North-East climatic division records a heavy average annual rainfall of more than 200 cm.
Professor R.L. Singh’s Methodology: Before 1971, most Indian climatic classifications relied on global models like Köppen’s, which often failed to capture the subcontinent’s hyper-local nuances. Professor R.L. Singh, a pioneer in Indian geography, created a bespoke classification system. He divided India into 10 distinct macro-climatic regions using a combination of temperature data, rainfall distribution, and specific physiographic features (mountains, coasts, plains).
The Humid North-East Division Dynamics: Singh classified the entire northeastern region as the “Humid North-East” division. The defining characteristic of this zone is the phenomenal amount of orographic precipitation it receives. As moisture-laden monsoon winds sweep up from the Bay of Bengal, they crash into the funnel-shaped topography of the Meghalaya plateau and Himalayan foothills, dumping an average of well over 200 cm of rain annually.
Flora, Fauna, and Agricultural Correlation: This massive volume of guaranteed annual rainfall dictates the entire ecosystem. The region supports dense tropical evergreen and semi-evergreen forests, boasting some of the highest terrestrial biodiversity in Asia. Agriculturally, the climate prevents the cultivation of dry crops but perfectly supports intensive wet-rice cultivation, extensive tea plantations in Assam, and dense bamboo forests.

📌 Geography • Disaster Management

Q.30) Following the devastating floods of 1954, the National Flood Control Programme was launched in India. How long did the “Immediate Phase” of this programme extend?

Ans > Over two years

Explanation: The National Flood Control Programme was structured into three phases. The Immediate Phase extended over two years and included the collection of basic hydrological data and the execution of immediate, urgent flood protection measures like embankments.
The Catalyst for the Programme: In 1954, India faced catastrophic, unprecedented flooding across the Ganga and Brahmaputra basins, causing massive loss of life and obliterating agricultural outputs. Realizing that ad-hoc state-level responses were insufficient, the central government formulated the National Flood Control Programme (NFCP), marking the first time India adopted a coordinated, national scientific approach to disaster management.
The Three-Phase Strategic Rollout: The government wisely structured the NFCP into three distinct timelines. The “Immediate Phase” spanned two years (to stop the immediate bleeding). The “Short-term Phase” was slated for five years, focusing on building medium-sized dams and dredging riverbeds. The “Long-term Phase” stretched over decades, planning massive multi-purpose reservoirs and broad catchment area afforestation.
Engineering Challenges of the Immediate Phase: During the initial two-year Immediate Phase, engineers focused aggressively on constructing thousands of kilometers of earthen embankments and levees along major rivers to protect towns quickly. However, this strategy later proved problematic; while embankments provided quick relief, they trapped silt inside the river channel over the decades, raising the riverbeds and leading to even more disastrous breaches in modern times.

📌 Quick Summary — Geography Set 8

Tethys Sea Origin: Formed by the disintegration of the supercontinent Pangaea ~200 million years ago.
Himalayan Uplift: First major phase began during the Paleogene Period (~65 million years ago).
Ophiolites: Ultrabasic rocks formed from geosynclinal sedimentation during the Himalayan orogeny.
Himalayan Transverse Divisions: Sir S. Burrard divided the Himalayas into four transverse sections.
Doons/Duns: Longitudinal valleys located structurally between the Shiwaliks and Lesser Himalayas.
Banihal Pass: Located in the Pir-Panjal Range, historically traversed by the Jawahar Tunnel.
Bomdi La: High-altitude pass connecting Arunachal Pradesh with Lhasa, Tibet.
Nathu La: Ancient Silk Road pass located in Sikkim, reopened in 2006.
Eastern Snowline: Situated at an altitude of roughly 4400 m in the North Eastern Himalayas.
Sonapani Glacier: The longest glacier (15 km) of the Pir-Panjal range in Lahaul and Spiti.
Tethys Sea Recession: Evidenced by the presence of saline water lakes in Rajasthan.
Giant Robber Crab: Found in the Wandoor Marine Biosphere Reserve in South Andaman and Great Nicobar.
Medium River Basin: Defined as having a catchment area between 2,000 to 20,000 sq km.
Himalayan Drainage: The Indus, Ganga, and Brahmaputra form the Extra-Peninsular drainage system.
Ramganga River: Rises in Kumaun Himalayas and joins the Ganga in Hardoi district, UP.
Sharda River Headwater: Originates from Milam Glacier initially known as the Goriganga.
Karnali River: Known as Kauriala in the Nepal Himalayas before becoming the Ghagra in India.
Subarnarekha River: Rises near Ranchi, passes Jamshedpur, and flows into the Bay of Bengal.
River Capturing (Multan): Historic shifting of the Ravi River, leaving Multan near the Chenab.
Saraswati River Drying: Resulted from the capture of its upper course by a Yamuna tributary.
Renuka Lake: Karst lake with a lion safari, situated in Sirmaur, Himachal Pradesh.
Roopkund Lake: High-altitude glacial lake in Uttarakhand, famous for hundreds of human skeletons.
Tawa Reservoir: Located on the Narmada River, bounds Satpura National Park and Bori Sanctuary.
PMGY Sustainability: 25% allocation strictly earmarked for water harvesting and sustainability.
Brahmaputra-Ganga Link: Proposed 320 km canal linking Dhubri Barrage (Assam) to Farakka Barrage (WB).
Thalaiyar Waterfall: Also called “Rat-tail” falls, located near Kodaikanal in Tamil Nadu.
Vazhachal Falls: Prominent waterfall attraction located in the Thrissur district of Kerala.
Rainfall Variability: Highest variability (>60%) found in the arid deserts of Barmer, Ganganagar, Jaisalmer.
Humid North-East Climate: Averages over 200 cm of annual rainfall, according to Prof R.L. Singh.
National Flood Control: The Immediate Phase for urgent measures extended over two years (post-1954 floods).

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Geography Set 8

Q.1) According to the geosynclinal origin theory of the Himalayas supported by Argand, Kober, and Suess, the Tethys Sea was formed due to the disintegration of which supercontinent about 200 million years back?

Q.2) The first major phase of tectonic uplift in the Himalayas, which elevated the central axis of ancient crystalline and meta-sedimentary rocks, began during which geological timeframe?

Q.3) During the Himalayan orogeny, continuous geosynclinal sedimentation led to the underthrusting of the Indian shield against the Tibetan Massif, resulting in the outflow of ultrabasic rocks. These exotic blocks are known as:

Q.4) Sir S. Burrard divided the Himalayas into how many transverse divisions from west to east?

Q.5) The longitudinal valleys known locally as Doons or Duns (such as Dehra Dun, Kotli, and Kathmandu) are structurally located between which two mountain ranges?

Q.6) The Banihal Pass, which was historically traversed by the Jawahar Tunnel for year-round surface transport, is located in which mountain range?

Q.7) Which of the following high-altitude passes connects Arunachal Pradesh with Lhasa, the capital of Tibet?

Q.8) Nathu La, an ancient trading border post and part of an offshoot of the Silk Road, was reopened in the year 2006. It is located in which Indian state?

Q.9) According to geographical variations, what is the altitude of the snowline in the North Eastern Himalayas (Arunachal Pradesh)?

Q.10) Measuring approximately 15 km in length, which of the following is the longest glacier of the Pir-Panjal range, located in the Chandra Valley of the Lahul and Spiti region?

Q.11) Which of the following is cited as evidence supporting the geological theory regarding the recession of the Tethys Sea and the formation of the Northern Plains?

Q.12) The Giant Robber Crab, known for its powerful claws that can climb coconut trees and break hard shells, is found in the Wandoor Marine Biosphere Reserve located in:

Q.13) In the classification of river basins in India, a “medium basin” is defined as having a catchment area between:

Q.14) The Indus System, the Ganga System, and the Brahmaputra System collectively constitute which broad category of Indian drainage based on mode of origin?

Q.15) The Ramganga river, a comparatively small river that rises in the Kumaun Himalayas, joins the River Ganga in which district of Uttar Pradesh?

Q.16) Rising from the Milam Glacier in the Kumaon Himalayas (Uttarakhand), a major headwater of the Sharda River system is initially known by which name?

Q.17) The Karnali river is a prominent river that flows into the Ganga Plain as the Ghagra. What is it known as in the Nepal Himalayas?

Q.18) Which major easterly river of the Peninsular Region rises to the southwest of Ranchi, passes through Jamshedpur, and flows into the Bay of Bengal near Balasore?

Q.19) An ancient historical shift demonstrates the process of river capturing: the city of Multan was formerly located along the Ravi River, but today it is situated about 60 km south of its confluence with the:

Q.20) The dry valley of the Ghaggar in Rajasthan provides evidence of river capturing. According to geological history, which ancient river’s upper course was captured by a tributary of the Ganga, leading to its drying up?

Q.21) Renuka Lake, which hosts a Lion Safari, a zoo, and an annual fair in the month of November, is situated in which district of Himachal Pradesh?

Q.22) In 1942, approximately 600 skeletons were discovered at the edge of which uninhabited, high-altitude lake in Uttarakhand?

Q.23) The Tawa Reservoir, located in Hoshangabad on the River Narmada, forms the western boundary of which protected areas?

Q.24) To support water harvesting, the Prime Minister’s Gramodaya Yojana has earmarked what percentage of its total allocation exclusively for funding schemes under the submission on sustainability?

Q.25) The proposed Brahmaputra-Ganga Link Canal Project involves constructing a 320 km long feeder canal linking the Dhubri Barrage in Lower Assam to which other barrage?

Q.26) Also known as the “Rat-tail,” the Thalaiyar Waterfall is a tiresome but rewarding approach for tourists. Near which town in Tamil Nadu is it located?

Q.27) A great attraction for domestic and international tourists, the Vazhachal Falls are located in which district of Kerala?

Q.28) In India, an inverse relationship generally exists between average annual rainfall and variability. In which of the following areas is the highest rainfall variability (over 60 per cent) found?

Q.29) In 1971, Professor R.L. Singh divided India into 10 major climatic divisions. According to his classification, the Humid North-East division (which includes Assam, Meghalaya, etc.) records an average annual rainfall of more than:

Q.30) Following the devastating floods of 1954, the National Flood Control Programme was launched in India. How long did the “Immediate Phase” of this programme extend?

📌 Quick Summary — Geography Set 8

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Q.1) According to the geosynclinal origin theory of the Himalayas supported by Argand, Kober, and Suess, the Tethys Sea was formed due to the disintegration of which supercontinent about 200 million years back?

Q.2) The first major phase of tectonic uplift in the Himalayas, which elevated the central axis of ancient crystalline and meta-sedimentary rocks, began during which geological timeframe?

Q.3) During the Himalayan orogeny, continuous geosynclinal sedimentation led to the underthrusting of the Indian shield against the Tibetan Massif, resulting in the outflow of ultrabasic rocks. These exotic blocks are known as:

Q.4) Sir S. Burrard divided the Himalayas into how many transverse divisions from west to east?

Q.5) The longitudinal valleys known locally as Doons or Duns (such as Dehra Dun, Kotli, and Kathmandu) are structurally located between which two mountain ranges?

Q.6) The Banihal Pass, which was historically traversed by the Jawahar Tunnel for year-round surface transport, is located in which mountain range?

Q.7) Which of the following high-altitude passes connects Arunachal Pradesh with Lhasa, the capital of Tibet?

Q.8) Nathu La, an ancient trading border post and part of an offshoot of the Silk Road, was reopened in the year 2006. It is located in which Indian state?

Q.9) According to geographical variations, what is the altitude of the snowline in the North Eastern Himalayas (Arunachal Pradesh)?

Q.10) Measuring approximately 15 km in length, which of the following is the longest glacier of the Pir-Panjal range, located in the Chandra Valley of the Lahul and Spiti region?

Q.11) Which of the following is cited as evidence supporting the geological theory regarding the recession of the Tethys Sea and the formation of the Northern Plains?

Q.12) The Giant Robber Crab, known for its powerful claws that can climb coconut trees and break hard shells, is found in the Wandoor Marine Biosphere Reserve located in:

Q.13) In the classification of river basins in India, a “medium basin” is defined as having a catchment area between:

Q.14) The Indus System, the Ganga System, and the Brahmaputra System collectively constitute which broad category of Indian drainage based on mode of origin?

Q.15) The Ramganga river, a comparatively small river that rises in the Kumaun Himalayas, joins the River Ganga in which district of Uttar Pradesh?

Q.16) Rising from the Milam Glacier in the Kumaon Himalayas (Uttarakhand), a major headwater of the Sharda River system is initially known by which name?

Q.17) The Karnali river is a prominent river that flows into the Ganga Plain as the Ghagra. What is it known as in the Nepal Himalayas?

Q.18) Which major easterly river of the Peninsular Region rises to the southwest of Ranchi, passes through Jamshedpur, and flows into the Bay of Bengal near Balasore?

Q.19) An ancient historical shift demonstrates the process of river capturing: the city of Multan was formerly located along the Ravi River, but today it is situated about 60 km south of its confluence with the:

Q.20) The dry valley of the Ghaggar in Rajasthan provides evidence of river capturing. According to geological history, which ancient river’s upper course was captured by a tributary of the Ganga, leading to its drying up?

Q.21) Renuka Lake, which hosts a Lion Safari, a zoo, and an annual fair in the month of November, is situated in which district of Himachal Pradesh?

Q.22) In 1942, approximately 600 skeletons were discovered at the edge of which uninhabited, high-altitude lake in Uttarakhand?

Q.23) The Tawa Reservoir, located in Hoshangabad on the River Narmada, forms the western boundary of which protected areas?

Q.24) To support water harvesting, the Prime Minister’s Gramodaya Yojana has earmarked what percentage of its total allocation exclusively for funding schemes under the submission on sustainability?

Q.25) The proposed Brahmaputra-Ganga Link Canal Project involves constructing a 320 km long feeder canal linking the Dhubri Barrage in Lower Assam to which other barrage?

Q.26) Also known as the “Rat-tail,” the Thalaiyar Waterfall is a tiresome but rewarding approach for tourists. Near which town in Tamil Nadu is it located?

Q.27) A great attraction for domestic and international tourists, the Vazhachal Falls are located in which district of Kerala?

Q.28) In India, an inverse relationship generally exists between average annual rainfall and variability. In which of the following areas is the highest rainfall variability (over 60 per cent) found?

Q.29) In 1971, Professor R.L. Singh divided India into 10 major climatic divisions. According to his classification, the Humid North-East division (which includes Assam, Meghalaya, etc.) records an average annual rainfall of more than:

Q.30) Following the devastating floods of 1954, the National Flood Control Programme was launched in India. How long did the “Immediate Phase” of this programme extend?

📌 Quick Summary — Geography Set 8

Leave a Comment Cancel Reply

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