Geography Set 38
π
π Physical Geography β’ Geomorphology
Q.1) Geologically, the Meghalaya Plateau and the Mikir Hills are detached from the main Peninsular Plateau. What is the name of the prominent geographical feature that separates them?
Ans > The Malda Fault (Garo-Rajmahal Gap)
- Geological Origins: The Peninsular Plateau is one of India’s oldest and most stable landmasses, originating from the ancient Gondwana supercontinent. Originally, the Meghalaya Plateau was a contiguous, unbroken extension of this massive structural block.
- Tectonic Down-faulting: During the intense tectonic activity that uplifted the Himalayas, a massive depression or down-faulting occurred between the Rajmahal hills in the west and the Garo hills in the east, creating the Malda Fault.
- Alluvial Deposition: Over millions of years, the mighty Ganga and Brahmaputra rivers carried enormous quantities of silt and sediment from the Himalayas, depositing them into this vast tectonic depression.
- Present Geography: Today, this gap is completely filled with thick alluvial soil, forming the fertile plains of Bengal and Bangladesh, leaving the Meghalaya Plateau as an isolated geological remnant of the peninsula.
π Indian Drainage β’ Rivers
Q.2) Which major river, heavily utilized for hydro-electric power and irrigation, is widely recognized as the “Lifeline of Kerala” and holds the distinction of being the longest river in the state?
Ans > Periyar River
- River Source: The Periyar River originates deep within the Sivagiri peaks of the Sundaramala in Tamil Nadu, flowing for approximately 244 kilometers before emptying into the Arabian Sea.
- Economic Backbone: It is affectionately termed the “Lifeline of Kerala” because it provides drinking water to several major towns and fuels massive irrigation networks essential for the state’s agriculture.
- Hydroelectric Power: The river hosts the Idukki Dam, one of the highest arch dams in Asia, which generates a significant portion of Kerala’s total electrical power supply.
- Ecological Hotspot: The river basin supports the Periyar National Park, a critical elephant and tiger reserve that boasts immense biodiversity and acts as a major hub for eco-tourism in southern India.
π Economic Geography β’ Energy
Q.3) The Muppandal Wind Farm is one of the largest onshore wind farms in the world and the largest in India. In which state is it geographically situated?
Ans > Tamil Nadu
- Strategic Location: Situated in the Kanyakumari district, the Muppandal Wind Farm strategically utilizes the geographical funnelling effect created by the mountain passes of the Western Ghats.
- Monsoon Winds: The region receives powerful and sustained seasonal monsoon winds from the Arabian Sea, providing an optimal and highly consistent environment for year-round wind energy generation.
- Energy Capacity: Serving as India’s largest source of wind energy, this colossal facility contributes over 1,500 megawatts to the national grid, significantly boosting the state’s renewable energy portfolio.
- Economic Impact: Beyond green energy, the wind farm has transformed the local economy of surrounding villages, creating jobs in maintenance, engineering, and infrastructure while reducing India’s reliance on fossil fuels.
π Natural Vegetation β’ Forests
Q.4) According to the India State of Forest Report, which type of forest constitutes the largest area in India, making it the most widespread natural vegetation in the country?
Ans > Tropical Dry Deciduous Forests
- Climatic Requirements: Tropical Dry Deciduous Forests thrive extensively in regions receiving an annual rainfall between 70 cm and 100 cm, adapting perfectly to India’s highly seasonal monsoon climate.
- Geographical Spread: They are the most widespread forests in the country, blanketing vast tracts of the Peninsular Plateau, the rain-shadow regions of the Deccan, and the plains of Uttar Pradesh and Bihar.
- Flora Characteristics: Trees in these forests shed their leaves completely during the prolonged dry season to conserve water, featuring commercially valuable species like Teak, Sal, Peepal, and Neem.
- Ecological Vulnerability: Because of their dry nature and proximity to human settlements, these forests are highly susceptible to seasonal forest fires, overgrazing, and extensive clearing for agricultural expansion.
π Indian Drainage β’ Irrigation
Q.5) The Polavaram Project is an under-construction multi-purpose national irrigation project. Across which major peninsular river is this massive dam being built?
Ans > Godavari River
- Project Scope: The Indira Sagar Polavaram Project is a colossal multi-purpose dam being constructed across the Godavari River, spanning the Eluru and East Godavari districts of Andhra Pradesh.
- National Importance: Accorded the status of a “National Project” by the Union Government, it aims to revolutionize regional agriculture by providing assured irrigation to over 7 lakh acres of farmland.
- River Interlinking: A critical component of this project is the Godavari-Krishna link, which diverts surplus water from the Godavari basin into the Krishna basin to relieve drought-prone areas in Rayalaseema.
- Hydroelectric and Social Impact: Alongside generating 960 MW of hydroelectric power and providing drinking water to Visakhapatnam, the project has faced complex challenges regarding the displacement of tribal populations and subsequent rehabilitation efforts.
π Physical Geography β’ Mountains
Q.6) The Shevaroy Hills (Servarayan Hills) form a prominent discontinuous range of the Eastern Ghats, known for the popular hill station of Yercaud. In which state are these hills located?
Ans > Tamil Nadu
- Geographical Position: The Shevaroy Hills are located near the city of Salem in Tamil Nadu, forming one of the most prominent, elevated, and rugged segments of the discontinuous Eastern Ghats.
- Geological Composition: These ancient hills are primarily composed of charnockite and gneiss rocks, which have been heavily weathered over millennia to form rich, mineral-laden soils.
- Economic Output: The region is highly reputed for its extensive bauxite reserves and sprawling coffee plantations, which were originally introduced by the British in the 19th century.
- Tourism Hub: The hills host Yercaud, a popular hill station affectionately known as the “Jewel of the South,” which attracts thousands of tourists seeking refuge from the sweltering heat of the plains.
π Agriculture β’ Commercial Crops
Q.7) Various agricultural revolutions have transformed India’s economy. The “Silver Fibre Revolution” is specifically associated with the enhanced production of which commercial crop?
Ans > Cotton
- Revolutionary Scope: The “Silver Fibre Revolution” represents a period of massive technological and agricultural advancement in India aimed at drastically increasing the yield and quality of Cotton production.
- Biotechnology Introduction: A major catalyst for this revolution was the widespread approval and adoption of genetically modified Bt Cotton in the early 2000s, which offered built-in resistance to the devastating bollworm pest.
- Economic Transformation: This agricultural leap propelled India to become one of the world’s largest producers and exporters of raw cotton, deeply enriching the economies of Gujarat, Maharashtra, and Telangana.
- Industry Synergy: The surge in raw material directly stimulated the domestic textile industry, generating millions of jobs in spinning, weaving, and garment manufacturing across both rural and urban sectors.
π Environment β’ Wetlands
Q.8) Deepor Beel is a permanent freshwater lake and an extremely important riverine wetland. Recognized as a Ramsar site, in which North-Eastern state is it located?
Ans > Assam
- Geographical Setting: Located just southwest of Guwahati city in Assam, Deepor Beel is a former channel of the Brahmaputra River and serves as a major permanent freshwater lake.
- Avian Sanctuary: It is an incredibly vital staging site for migratory birds traveling along the Central Asian Flyway, hosting hundreds of avian species, including the endangered Greater Adjutant Stork.
- Conservation Status: Recognizing its immense ecological value and unique hydrological functions, the lake was designated as a Wetland of International Importance under the Ramsar Convention in 2002.
- Anthropogenic Pressures: Despite its protected status, the wetland faces severe environmental threats from unchecked urban encroachment, industrial pollution, and a nearby municipal solid waste dumping ground.
π Economic Geography β’ Minerals
Q.9) The Hutti Gold Mines are one of the most important and active gold-producing mines in India. In which district and state are they located?
Ans > Raichur District, Karnataka
- Mining Legacy: Following the historic closure of the famous Kolar Gold Fields (KGF) due to depleting reserves and high operational costs, Hutti emerged as the primary active gold-producing facility in India.
- Geological Belt: Located in the Raichur district of Karnataka, the mines are situated within the ancient Dharwar Craton, a geological formation renowned globally for its rich auriferous (gold-bearing) greenstone belts.
- Modern Operations: Managed by the Hutti Gold Mines Limited (HGML), the facility utilizes advanced metallurgical processes and deep-shaft underground mining techniques to extract ore efficiently.
- Economic Contribution: While India is a massive importer of gold, the steady domestic output from the Hutti mines remains a crucial economic asset, supporting local employment and regional industrial development.
π Human Geography β’ Demographics
Q.10) The 2011 Census of India highlighted the vast disparities in population distribution across the country. Which of the following states recorded the absolute lowest population in India?
Ans > Sikkim
- Demographic Data: According to the official 2011 Census, Sikkim holds the title of the least populous state in India, recording a total population of just over 610,000 individuals.
- Topographical Constraints: The exceptionally rugged, mountainous terrain of the Himalayas drastically limits the availability of habitable land and restricts large-scale agricultural or industrial expansion.
- Carrying Capacity: The harsh alpine climate and dense forest cover dictate a naturally low ecological carrying capacity, making sparse, scattered settlements the most viable way of life.
- Socio-Economic Balance: Despite its small population, Sikkim boasts impressive socio-economic indicators, including high literacy rates and the distinction of being India’s first fully organic agricultural state.
π Climatology β’ Monsoon
Q.11) While the El NiΓ±o phenomenon generally suppresses the Indian Summer Monsoon, which localized ocean-atmosphere phenomenon in the Indian Ocean can actually enhance monsoon rainfall in India when in its “positive” phase?
Ans > The Indian Ocean Dipole (IOD)
- Phenomenon Mechanics: The Indian Ocean Dipole (IOD) is a coupled ocean-atmosphere phenomenon characterized by an irregular oscillation of sea-surface temperatures across the western and eastern Indian Ocean.
- Positive Phase Dynamics: During a “positive” IOD, the western Indian Ocean becomes unusually warmer than the eastern part, increasing evaporation and altering atmospheric circulation patterns over the sea.
- Monsoon Enhancement: This localized warming pushes moisture-laden winds toward the Indian subcontinent, typically resulting in above-average monsoon rainfall, which provides a massive boost to Indian agriculture.
- El NiΓ±o Counteract: A strong positive IOD can sometimes overpower or mitigate the drought-inducing, negative effects of the Pacific El NiΓ±o, acting as a crucial fail-safe for India’s monsoon economy.
π Transport β’ Waterways
Q.12) National Waterway 4 (NW-4) is a major inland water transport system being developed to span over 1,000 kilometers in South India. It primarily utilizes which historic canal network?
Ans > Buckingham Canal
- Route Network: National Waterway 4 stretches extensively from Kakinada in Andhra Pradesh down to Puducherry, integrating the Kakinada, Eluru, and Commamur canals alongside the Godavari and Krishna rivers.
- Historic Infrastructure: The backbone of this waterway is the historic Buckingham Canal, originally constructed during the British era as a vital navigational route running parallel to the Coromandel Coast.
- Economic Revitalization: The Government of India is heavily investing in dredging and modernizing this network to facilitate bulk cargo movement, particularly for agricultural produce, coal, and building materials.
- Logistical Advantages: Fully developing NW-4 promises to drastically decongest the heavily burdened regional highway systems while providing a highly cost-effective and environmentally friendly alternative for freight transport.
π Human Geography β’ Demographics
Q.13) Among the Union Territories of India, which one recorded the highest sex ratio (number of females per 1,000 males) in the 2011 Census, actually boasting more women than men?
Ans > Puducherry
- Census Statistics: In the 2011 Census, the Union Territory of Puducherry recorded a highly favorable sex ratio of 1,037 females for every 1,000 males, making it the highest among all Indian UTs.
- Social Development: This positive demographic indicator reflects Puducherry’s historically strong emphasis on social welfare, widespread female literacy, and robust maternal health infrastructure.
- Cultural Legacy: The territory’s unique cultural blend, heavily influenced by its French colonial past, has traditionally fostered a more progressive social environment regarding gender equality compared to some mainland regions.
- Economic Independence: High rates of female participation in the local workforce, particularly in education, healthcare, and small-scale industries, further reinforce the high status and survival rate of women in the territory.
π Physical Geography β’ Islands
Q.14) Barren Island is India’s only active volcano. However, India also possesses a dormant volcanic island located further north in the Andaman Sea. What is its name?
Ans > Narcondam Island
- Geological Classification: Narcondam Island is a small, remote volcanic island situated in the northern Andaman Sea, officially classified by geologists as a dormant or potentially extinct stratovolcano.
- Tectonic Origins: Like Barren Island, it was formed by subduction zone volcanism along the active tectonic boundary between the massive Indian Plate and the overriding Burmese Plate.
- Endemic Biodiversity: The island’s deep isolation has fostered unique evolutionary paths, making it globally famous as the sole habitat for the Narcondam hornbill, a critically endangered endemic bird species.
- Strategic Outpost: Despite its tiny size and lack of a civilian population, the island holds significant strategic value, hosting a vital Indian police outpost that monitors maritime traffic in the Andaman Sea.
π Physical Geography β’ Geomorphology
Q.15) The Karbi Anglong Plateau is a distinct hilly region known for its heavy rainfall and rich biodiversity. Geologically, it forms an extension of which major physiographic division of India?
Ans > The Peninsular Plateau
- Geological Kinship: Despite its geographical location in the northeast, the Karbi Anglong Plateau in Assam is structurally a detached, eastward extension of the ancient Peninsular Plateau.
- Tectonic Separation: Much like the Meghalaya Plateau, it was separated from the main Indian landmass by the massive tectonic down-faulting of the Malda Fault during the Himalayan uplift.
- Topography and Climate: Characterized by rugged, undulating hills and dense tropical forests, the plateau receives torrential rainfall during the monsoon, fueling a highly biodiverse ecosystem.
- Cultural and Mineral Wealth: The region is home to indigenous tribal communities like the Karbis and is endowed with significant unexploited mineral resources, including limestone, coal, and high-grade clays.
π Human Geography β’ Tribes
Q.16) The Apatani tribe is famous for their highly efficient, ecologically sustainable wet-rice cultivation system and intricate facial tattoos. They primarily reside in the Ziro Valley located in which state?
Ans > Arunachal Pradesh
- Geographical Stronghold: The Apatani (or Tanii) people are an indigenous tribal group residing almost exclusively in the picturesque Ziro Valley, located in the Lower Subansiri district of Arunachal Pradesh.
- Agricultural Ingenuity: They are globally renowned for their unique, highly sustainable “paddy-cum-fish” wet-rice cultivation, utilizing intricate irrigation channels without the use of modern machinery or chemical fertilizers.
- Cultural Identity: Historically, Apatani women wore large wooden nose plugs and prominent facial tattoosβa practice rooted in ancestral defense mechanisms, which was eventually banned by the government in the 1970s.
- Heritage Recognition: Due to their harmonious relationship with nature and exceptional agro-ecological knowledge, the Ziro Valley’s cultural landscape has been officially proposed for UNESCO World Heritage status.
π Transport β’ Seaports
Q.17) Due to its strategic location and immense contribution to the export of the state’s commercial crops and iron ore, which major seaport is famously called the “Gateway of Karnataka”?
Ans > New Mangalore Port
- Infrastructure Profile: The New Mangalore Port, situated in the Dakshina Kannada district at Panambur, operates as a massive deep-water, all-weather major port on the western coast of India.
- Export Powerhouse: It earned the title “Gateway of Karnataka” because it handles the vast majority of the state’s international trade, serving a resource-rich hinterland.
- Cargo Diversity: The port facilitates the massive export of commercial cash crops like coffee and cashew nuts, alongside heavy industrial materials including iron ore, petroleum products, and fertilizers.
- Economic Catalyst: Seamlessly connected by a robust network of national highways and the Konkan Railway, the port acts as the primary economic engine driving industrial growth in coastal Karnataka.
π Human Geography β’ Tribes
Q.18) The Shompen people are an indigenous, largely isolated hunter-gatherer tribe holding strict ‘Particularly Vulnerable Tribal Group’ (PVTG) status. They inhabit the dense interior forests of which island?
Ans > Great Nicobar
- Habitat and Isolation: The Shompen are an indigenous tribal community residing deep within the dense, virtually impenetrable tropical rainforests of the Great Nicobar Island.
- Hunter-Gatherer Lifestyle: Unlike the coastal Nicobarese who engage in trade and agriculture, the Shompen remain a semi-nomadic, hunter-gatherer society, relying entirely on the forest for foraging and hunting wild pigs.
- Vulnerability Status: Due to their small, declining population and lack of immunity to outside diseases, the Indian government grants them strict protection under the ‘Particularly Vulnerable Tribal Group’ (PVTG) designation.
- Modern Threats: Their secluded existence and ancestral lands face unprecedented pressure from the proposed massive infrastructural and military development projects slated for the Great Nicobar region.
π Physical Geography β’ Geomorphology
Q.19) The badland topography (ravines) caused by severe gully erosion forms a rugged, highly dissected landscape in Central India. Which river valley is most notoriously famous for this extreme soil erosion?
Ans > Chambal Valley
- Geomorphological Mechanism: The Chambal River valley is infamous for its extensive “badlands,” formed when rapid, torrential monsoon rains cut deep gullies into the soft, unprotected alluvial soils.
- Arid Vulnerability: The region’s semi-arid climate, combined with historically aggressive deforestation and overgrazing, stripped the land of its binding vegetative cover, accelerating this catastrophic soil erosion over centuries.
- Historical Notoriety: The resulting labyrinth of deep ravines (Bihad) created an incredibly rugged, unnavigable landscape that historically provided perfect hideouts for legendary dacoits and outlaws.
- Reclamation Challenges: The government has launched numerous, highly expensive ravine reclamation programs involving afforestation and soil conservation, but stabilizing this deeply scarred landscape remains a monumental geographic challenge.
π Physical Geography β’ Geomorphology
Q.20) The Karewa formations in Kashmir are highly fertile terrace-like deposits. Geologically, these lacustrine deposits are associated with the ancient lake bed that was drained by which major river?
Ans > Jhelum
- Lacustrine Origins: Geologists confirm that the entire Kashmir Valley was once a massive prehistoric lake. The Karewas are the elevated, flat-topped remnants of the clay and silt deposited at the bottom of this ancient water body.
- Tectonic Drainage: Over millennia, continuous tectonic uplift forced the Jhelum River to deepen its gorge near Baramulla, eventually breaking through the mountains and draining the massive lake completely.
- Agricultural Goldmine: These unique terrace-like formations consist of incredibly rich, well-drained soils that hold immense moisture, making them the agricultural backbone of the valley.
- Saffron Monopoly: The Karewas of Pampore are globally celebrated as the only place in India where the delicate, high-value crop of Kashmiri Saffron can be successfully cultivated.
π Physical Geography β’ Mountain Passes
Q.21) Pensi La is a crucial mountain pass standing at an elevation of 4,400 meters. It serves as a vital geographic and administrative gateway connecting the Suru Valley to which remote Himalayan region?
Ans > Zanskar Valley
- Strategic Gateway: Located in the union territory of Ladakh, Pensi La is affectionately termed the “Gateway to Zanskar,” as it provides the only viable road connection from the Suru Valley (Kargil) to the isolated Zanskar region.
- Glacial Vistas: The pass is geographically spectacular, offering travelers a stunning, panoramic viewpoint of the massive Drang Drung Glacier, one of the largest glaciers in Ladakh accessible by road.
- Climatic Isolation: Standing at 4,400 meters, the pass experiences brutal winter weather, remaining completely buried under heavy snow and cutting Zanskar off from the rest of the world for nearly six months a year.
- Cultural Bridge: Beyond its physical geography, the pass serves as a historical transition zone between the predominantly Muslim population of the Suru Valley and the deeply rooted Buddhist culture of Zanskar.
π Indian Drainage β’ Rivers
Q.22) The Amravati, Bhavani, Hemavati, and Kabini are highly significant tributaries of which major peninsular river?
Ans > Kaveri
- River Source: The Kaveri River originates in the lush Brahmagiri hills of the Western Ghats in Kodagu, Karnataka, and embarks on a vital journey across the southern peninsula.
- Tributary Network: It is fed by a massive network of tributaries. The Hemavati and Kabini are major contributors in Karnataka, while the Bhavani and Amravati join and enrich the river in Tamil Nadu.
- Agricultural Lifeline: This extensive tributary system creates a highly fertile drainage basin, providing the critical water volume necessary to sustain the massive rice-producing regions of the Kaveri delta.
- Inter-State Disputes: The heavy reliance on these tributaries for drinking water and intense agriculture has historically fueled the complex, deeply entrenched water-sharing disputes between Karnataka and Tamil Nadu.
π Physical Geography β’ Islands
Q.23) India has several distinct regions harboring coral reefs. While the Gulf of Mannar, Gulf of Kachchh, and Andaman & Nicobar feature fringing reefs, which region exclusively consists of atoll reefs?
Ans > Lakshadweep
- Atoll Formation: Unlike fringing reefs that grow near coastlines, the Lakshadweep archipelago in the Arabian Sea is entirely composed of coral atollsβcircular or oval reefs surrounding a central lagoon.
- Volcanic Foundations: Geologically, these atolls are the coral-capped summits of a massive, ancient submarine volcanic mountain range associated with the Chagos-Laccadive Ridge.
- Marine Biodiversity: The crystal-clear, shallow lagoons trapped within these atolls foster an incredibly rich, pristine marine ecosystem, hosting vibrant coral gardens, sea turtles, and thousands of pelagic fish species.
- Climate Vulnerability: Because atolls rest only a few meters above sea level, Lakshadweep is extremely vulnerable to catastrophic coral bleaching events and the existential threat of rising sea levels due to climate change.
π Environment β’ Mangroves
Q.24) Pichavaram is renowned for harboring one of the world’s largest and most pristine contiguous mangrove forests, characterized by a complex network of backwaters. In which Indian state is it located?
Ans > Tamil Nadu
- Estuarine Complex: The Pichavaram mangrove forest is situated in the Cuddalore district of Tamil Nadu, thriving in the massive, brackish estuarine complex formed between the Vellar and Coleroon rivers.
- Root Adaptations: The forest is visually striking, dominated by Rhizophora species that utilize highly adapted, interlocking stilt roots to survive the shifting tides and anaerobic, waterlogged mud.
- Natural Barrier: Beyond its incredible beauty, the dense mangrove network acts as a crucial bio-shield, absorbing wave energy and significantly protecting inland communities from cyclones and tsunamis.
- Eco-Tourism Hub: Its labyrinth of over 4,000 interconnected backwater canals makes it a premier destination for boating and eco-tourism, whilst supporting a vital traditional fishing economy for local villagers.
π Economic Geography β’ Minerals
Q.25) Koderma in Jharkhand is a highly recognized district in India’s mining sector. Historically and economically, it is often dubbed the “Capital of India” for which specific mineral?
Ans > Mica
- Geological Endowment: The Koderma district in Jharkhand is situated atop one of the world’s richest pegmatite belts, yielding massive, easily accessible deposits of sheet minerals.
- Global Reputation: Historically, it produced an immense quantity of the world’s finest high-grade “Ruby” Muscovite mica, rightfully earning the prestigious moniker “Mica Capital of India.”
- Industrial Applications: Due to its incredible thermal resistance and electrical insulating properties, Koderma’s mica was historically indispensable to the global electrical, aerospace, and early electronics industries.
- Modern Decline: Despite its legacy, the industry has seen a sharp decline in recent decades due to the invention of cheaper synthetic alternatives, strict environmental regulations, and crackdowns on unregulated mining practices.
π Physical Geography β’ Mountains
Q.26) Saramati is a prominent, snow-capped peak standing at an elevation of 3,826 meters. It is the highest mountain peak in which North-Eastern state?
Ans > Nagaland
- Peak Topography: Mount Saramati stands majestically at an elevation of 3,826 meters, securing its position as the highest and most visually dominating peak in the state of Nagaland.
- Border Geography: It is strategically located near the Tuensang district within the rugged Purvanchal range, with its ridgeline acting as the natural, international border between India and Myanmar.
- Climatic Anomaly: Due to its extreme altitude, Saramati experiences a unique micro-climate, remaining snow-capped during the harsh winter monthsβa rare geographical feature for the typically tropical North-Eastern hill states.
- Tourism Potential: The peak is surrounded by dense, untouched alpine forests, making it a highly challenging but rewarding destination for professional mountaineers and eco-tourists seeking pristine biodiversity.
π Physical Geography β’ Lakes
Q.27) Wular Lake is one of the largest freshwater lakes in Asia, playing a vital role in the hydrography of the Kashmir Valley. What is the primary geological origin of this lake?
Ans > Tectonic activity
- Tectonic Formation: Wular Lake, situated in the Bandipora district of Jammu & Kashmir, was fundamentally created by intense tectonic activity that caused a massive warping and depression of the earth’s crust.
- Riverine Feed: It acts as an immense natural reservoir, primarily fed by the mighty Jhelum River, absorbing the river’s seasonal floodwaters to protect the lower valley from catastrophic inundation.
- Ramsar Recognition: Because of its immense size and role in sustaining thousands of migratory birds and rare aquatic species, it was designated as a Wetland of International Importance under the Ramsar Convention.
- Environmental Crisis: Currently, the lake faces a severe existential threat; it is rapidly shrinking in size due to heavy agricultural siltation, unchecked willow plantation encroachment, and solid waste pollution.
π Economic Geography β’ Energy
Q.28) The Kaiga Generating Station operates highly successful Pressurized Heavy Water Reactors (PHWRs). Located adjacent to the Kali river, in which state is this nuclear power plant situated?
Ans > Karnataka
- Facility Location: The Kaiga Atomic Power Station is strategically located in the ecologically sensitive Uttara Kannada district of Karnataka, resting on the left bank of the Kali River.
- Technological Prowess: The facility utilizes indigenous Pressurized Heavy Water Reactor (PHWR) technology, utilizing unenriched uranium as fuel and heavy water as both a coolant and neutron moderator.
- World Record Operations: The plant is renowned for its incredible operational efficiency, with one of its units previously setting a world record for the longest uninterrupted operation among all PHWRs globally.
- Energy Security: By supplying hundreds of megawatts of uninterrupted, low-carbon baseload electricity, Kaiga plays a critical role in stabilizing the power grid and ensuring energy security for southern India.
π Agriculture β’ Commercial Crops
Q.29) India’s coffee production is heavily concentrated in the hilly tracts of South India. Which state holds a near-monopoly, accounting for roughly 70% of the country’s total coffee production?
Ans > Karnataka
- Historical Roots: The legacy of coffee in India began in Karnataka during the 17th century when the Sufi saint Baba Budan supposedly smuggled seven magical beans from Yemen and planted them in the Chandragiri Hills.
- Production Dominance: Today, Karnataka is the undisputed king of Indian coffee, producing a staggering 70% of the national output, heavily concentrated in the Kodagu, Chikmagalur, and Hassan districts.
- Geographical Perfection: The state’s unique topography in the Western Ghats provides the perfect combination of high elevation, rich loamy soil, and balanced monsoon rainfall essential for premium coffee cultivation.
- Crop Variety: The region cultivates both the delicate, high-value Arabica beans at higher altitudes and the robust, disease-resistant Robusta beans in the lower, warmer humid tracts of the hills.
π Transport β’ Infrastructure
Q.30) The Government of India launched a massive, flagship infrastructure program aimed at port-led development, enhancing logistics, and modernizing India’s coastline. What is the name of this project?
Ans > Sagarmala Programme
- Strategic Vision: The Sagarmala Programme is a monumental logistics and infrastructure initiative launched by the Union Government to fully harness the economic potential of India’s massive 7,500 km coastline.
- Port Modernization: A core objective of the program is to radically modernize existing major ports, build new deep-draught greenfield ports, and integrate them seamlessly with massive Special Economic Zones (SEZs).
- Hinterland Connectivity: It heavily focuses on constructing robust “last-mile” rail and road infrastructure to connect these coastal hubs directly to the resource-rich, industrial hinterlands of the country.
- Economic Impact: By shifting heavy cargo from congested roads to cheaper coastal shipping, Sagarmala aims to drastically reduce the nation’s logistics costs, boosting the export competitiveness of Indian manufacturing on the global stage.
π Quick Summary β Geography Set 38
- Malda Fault: Geologically separates the Meghalaya Plateau and Mikir Hills from the main Peninsular Plateau.
- Periyar River: Known as the “Lifeline of Kerala,” it is the longest river in the state.
- Muppandal Wind Farm: Located in Tamil Nadu, it is the largest onshore wind farm in India.
- Tropical Dry Deciduous Forests: Constitutes the largest forest area and most widespread natural vegetation in India.
- Polavaram Project: A massive under-construction multi-purpose national irrigation project across the Godavari River.
- Shevaroy Hills: Located in Tamil Nadu, this discontinuous range hosts the hill station of Yercaud.
- Silver Fibre Revolution: Associated with the enhanced agricultural production of Cotton.
- Deepor Beel: A permanent freshwater lake and recognized Ramsar site located in Assam.
- Hutti Gold Mines: One of India’s most important active gold-producing mines, located in Raichur, Karnataka.
- Sikkim: Recorded the absolute lowest population among Indian states in the 2011 Census.
- Indian Ocean Dipole (IOD): In its positive phase, it can enhance the Indian Summer Monsoon rainfall.
- National Waterway 4 (NW-4): Primarily utilizes the historic Buckingham Canal network in South India.
- Puducherry: Recorded the highest sex ratio among Union Territories in the 2011 Census.
- Narcondam Island: A dormant volcanic island located in the northern Andaman Sea.
- Karbi Anglong Plateau: Geologically forms an eastward extension of the main Peninsular Plateau.
- Apatani Tribe: Resides in the Ziro Valley of Arunachal Pradesh, famous for wet-rice cultivation and tattoos.
- New Mangalore Port: Famously known as the “Gateway of Karnataka” due to its strategic export location.
- Shompen People: Isolated hunter-gatherer PVTG tribe inhabiting the dense forests of Great Nicobar.
- Chambal Valley: Infamous for badland topography (ravines) caused by severe gully erosion.
- Karewa Formations: Fertile lacustrine deposits in Kashmir associated with the ancient lake bed drained by the Jhelum.
- Pensi La: A crucial mountain pass serving as the geographic gateway to the Zanskar Valley.
- Kaveri Tributaries: Includes highly significant rivers like the Amravati, Bhavani, Hemavati, and Kabini.
- Lakshadweep: The only region in India exclusively consisting of atoll reefs.
- Pichavaram: Home to one of the world’s largest contiguous mangrove forests, located in Tamil Nadu.
- Koderma, Jharkhand: Historically and economically dubbed the “Mica Capital of India.”
- Saramati Peak: The highest snow-capped mountain peak located in the state of Nagaland.
- Wular Lake: A major freshwater lake in the Kashmir Valley formed primarily by tectonic activity.
- Kaiga Generating Station: A nuclear power plant operating adjacent to the Kali river in Karnataka.
- Coffee Production: Karnataka holds a near-monopoly, producing roughly 70% of India’s coffee.
- Sagarmala Programme: The government’s flagship project for port-led development and coastal modernization.
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