Examkin

Indian and World Geography

296 soru

Tüm türler296Çoktan seçmeli151Çoklu seçim37Eşleştirme54Sıralama54
Soru 141Soru →

With reference to Laterite soils and their associated vegetation and agricultural patterns in India, consider the following statements:

1. Laterite soils are characterized by an abundance of iron oxide and aluminium compounds, but are severely depleted in nitrogen, phosphate, and calcium due to tropical leaching.
2. Red laterite soils found in parts of Tamil Nadu, Andhra Pradesh, and Kerala are particularly suitable for growing tree crops such as cashew nut.
3. High rainfall in laterite soil regions leads to a deep, rich accumulation of organic humus because microorganisms cannot decompose plant matter in high humidity.

Which of the statements given above is/are correct?

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Cevap: 1 and 2 only

Cevap

Statements 1 and 2 are correct, whereas statement 3 is incorrect.
The correct response identifies that statements 1 and 2 accurately describe Laterite soils. Intense monsoon leaching removes silica, leaving behind iron oxides and aluminium, while depleting nitrogen, phosphate, and lime. When managed properly, red laterites in southern coastal states are well-suited for tree crops such as cashew nut. Statement 3 is wrong because high temperatures foster rapid microbial decay of organic matter, rendering laterite soils low in humus.

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1
Analyze Statement 1 regarding chemical composition and leaching.
Laterite soils are formed in regions with high temperature and heavy seasonal rainfall. Intense leaching washes away silica, leaving the soil rich in oxides of iron and aluminium, while rendering it deficient in nitrogen, phosphorus, calcium, and base elements. Statement 1 is correct.
Evaluates pedological formation processes under monsoon climatic regimes.
2
Analyze Statement 2 regarding agricultural suitability for plantation crops.
With appropriate soil conservation and fertilizer application, red laterite soils in Kerala, Tamil Nadu, and Andhra Pradesh are widely used for tree crops like cashew nut, tapioca, and tea. Statement 2 is correct.
Evaluates crop-soil alignment across Peninsular India.
3
Analyze Statement 3 regarding organic matter and humus content.
High temperatures promote thriving bacterial growth that rapidly consumes organic humus, while heavy rains wash away humus deeper into the subsoil. Consequently, laterite soils are notoriously poor in organic humus. Statement 3 is incorrect.
Identifies common misconception regarding high biomass regions versus actual soil humus retention.

Anahtar Kavram

Pedological characteristics, leaching dynamics, and crop suitability of Laterite soils in Peninsular India
Tahmini Süre:1m 30s
Soru 142Soru →

Consider the following statements regarding the geological distribution, chemical characteristics, and extraction of fossil fuel resources in India:

1. Tertiary coal deposits in North-East India are characterized by higher sulfur and moisture content but lower ash content compared to Gondwana coal.
2. Commercial production of Coalbed Methane (CBM) in India is predominantly localized in the Gondwana coalfields of the Damodar Valley basin.
3. The major lignite fields of Neyveli are embedded within Tertiary sedimentary rock strata of the Cuddalore formation.

Which of the statements given above are correct?

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Cevap: 1, 2 and 3

Cevap

Statements 1, 2, and 3 are all correct.
All three statements are factually accurate. Tertiary coal of North-East India is high in sulfur and moisture with low ash content, contrasting with Gondwana coal. Commercial Coalbed Methane (CBM) blocks are operational in the Gondwana coal fields of the Damodar Valley (such as Raniganj). The lignite deposits of Neyveli in Tamil Nadu are situated within Tertiary sedimentary strata of the Cuddalore formation.

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1
Evaluate Statement 1 regarding Tertiary coal vs. Gondwana coal properties.
Gondwana coal (accounting for over 98% of India's reserves) has high ash content (25% to 45%) and low sulfur content (<0.5%). Conversely, Tertiary coal found in Assam, Meghalaya, and Nagaland contains low ash but high sulfur (2% to 7%) and high moisture. Thus, Statement 1 is correct.
Geological age and parent vegetation conditions dictate the differential volatile, sulfur, and mineral matter composition of the coal seams.
2
Evaluate Statement 2 regarding commercial Coalbed Methane (CBM) production basins.
Commercial exploitation of Coalbed Methane in India is predominantly situated in the deep Gondwana coal seams of the Damodar-Koel Valley, specifically within blocks like Raniganj South and Jharia. Thus, Statement 2 is correct.
Gondwana coal seams in the Damodar Valley possess adequate depth, rank, and gas saturation for commercial CBM recovery.
3
Evaluate Statement 3 regarding the geological age of Neyveli lignite deposits.
The extensive lignite reserves at Neyveli in Tamil Nadu belong to the Tertiary period (Eocene-Miocene epochs) and are embedded in the sandstone and clay beds of the Cuddalore Formation. Thus, Statement 3 is correct.
Lignite is a low-rank, younger brown coal formed during Tertiary coastal marine transgressions.

Anahtar Kavram

Geological classification, chemical composition, and commercial distribution of Indian coal, lignite, and unconventional gas resources.
Soru 143Soru →

The Indian island territories in the Bay of Bengal are divided into two major groups. Which of the following water bodies geographically separates the Andaman Islands group from the Nicobar Islands group?

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Cevap: Ten Degree Channel

Cevap

The Ten Degree Channel is the narrow water body that geographically separates the Andaman Islands group from the Nicobar Islands group.
The correct answer identifies the Ten Degree Channel, a ocean channel approximately 150 km wide situated along the 10° N line of latitude. It forms the official physical and physiographic boundary between the Andaman group of islands to the north and the Nicobar group of islands to the south in the Bay of Bengal.

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1
Identify the geographical position of the Indian island groups in the Bay of Bengal.
The Andaman and Nicobar Islands form an elongated arc in the Bay of Bengal oriented along a North-South axis.
Understanding spatial alignment helps locate key relief boundaries and channels.
2
Locate the dividing latitude line separating Little Andaman from Car Nicobar.
The sea passage situated along the 10° N parallel line acts as the physical divide between Little Andaman to its north and Car Nicobar to its south.
This physical feature is named the Ten Degree Channel after its latitudinal position.

Anahtar Kavram

Relief Features and Maritime Passages of Indian Island Groups
Soru 144Soru →

Arrange the following types of coal found in India in descending order of their carbon content and quality (from highest carbon content to lowest):

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Cevap

The correct sequence of coal types in descending order of carbon content is Anthracite, Bituminous, Lignite, and Peat.
Anthracite possesses the highest carbon content (>80-95%), followed by Bituminous (60-80%), Lignite (40-55%), and Peat (<40%). Therefore, arranging them from highest to lowest carbon content yields Anthracite, Bituminous, Lignite, and Peat.

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1
Determine the carbon percentage for each variety of coal.
Anthracite has 80–95% carbon, Bituminous has 60–80%, Lignite has 40–55%, and Peat has under 40%.
Coal rank increases with carbon content and calorific value due to heat and pressure over geological time.
2
Order the coal types from highest carbon content to lowest.
Anthracite → Bituminous → Lignite → Peat.
This matches the descending order requirement.

Anahtar Kavram

Classification of Coal Grades by Carbon Content
Soru 145Soru →

Match List-I (Soil / Vegetation Type in India) with List-II (Characteristic Region / Feature):

Soldaki öğeye tıklayın, sonra eşleşen sağdaki öğeye tıklayın

Öğeler

Black Soil (Regur)
Laterite Soil
Tropical Evergreen Forest
Mangrove Vegetation

Eşleşmeler

Cevabı ve açıklamayı göster

Cevap

Black Soil pairs with Deccan Lava Plateau; Laterite Soil pairs with intensely leached soil regions; Tropical Evergreen Forest pairs with heavy rainfall zones (>200 cm) of Western Ghats/North-East; Mangrove Vegetation pairs with coastal deltas like the Sundarbans.
Each item in List-I uniquely aligns with its corresponding spatial distribution and environmental characteristic in List-II: Black soil with the Deccan basalt plateau, Laterite soil with heavy tropical leaching, Tropical Evergreen forests with wet regions receiving over 200 cm rainfall, and Mangroves with deltaic tidal mudflats.

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1
Identify the primary parent rock and agricultural region of Black Soil.
Black soil originated from basaltic Deccan lava flows and is famous for holding moisture, making it ideal for cotton production.
Relate pedological properties to geography.
2
Identify the formation mechanism of Laterite Soil.
Heavy leaching in tropical rainy conditions washes away silica, leaving behind iron and aluminum oxides.
Relate weathering processes to soil classification.
3
Determine climatic thresholds for Tropical Evergreen Forests.
Requires high humidity and rainfall exceeding 200 cm annually, found prominently in the Western Ghats windward side and North-East India.
Relate rainfall ranges to natural vegetation zones.
4
Associate Mangrove Vegetation with its morphological and spatial adaptation.
Grows along intertidal zones such as the Ganga-Brahmaputra Delta (Sundarbans) with pneumatophores.
Relate coastal ecosystem features to vegetation types.

Anahtar Kavram

Distribution and Ecological Characteristics of Major Soil Types and Natural Vegetation in India
Soru 146Soru →

Consider the following statements regarding the geological occurrence and characteristics of coal resources in India:

1. Gondwana coal deposits, which constitute nearly 98% of India's total coal reserves, typically exhibit low sulfur content alongside relatively high ash content.
2. Tertiary coal fields are primarily located in the northeastern region of India and contain coal with high sulfur and moisture content.
3. The Jharia coalfield in Jharkhand is the oldest commercial coalfield in India, having been developed prior to the Raniganj coalfield in West Bengal.

Which of the statements given above are correct?

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Cevap: Statements 1 and 2

Cevap

Statements 1 and 2 are correct.
The correct response identifies Statements 1 and 2 as true while rejecting Statement 3. Gondwana coal accounts for over 98% of Indian reserves and is characterized by low sulfur but high ash content. Tertiary coal in the northeastern states (Assam, Meghalaya) has higher moisture and sulfur content. Raniganj in West Bengal—not Jharia—is the oldest coalfield in India.

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1
Evaluate Statement 1 regarding Gondwana coal properties.
Gondwana coal forms about 98% of Indian reserves. It originated in the Permian period, possesses low sulfur content (usually less than 1%), but high ash content (15% to 45%). Statement 1 is TRUE.
Geological conditions during the Permian era in Peninsular India favored fluvial sedimentation leading to high inorganic non-combustible matter (ash) and low marine sulfur insertion.
2
Evaluate Statement 2 regarding Tertiary coal properties and location.
Tertiary coal deposits (Eocene to Oligocene/Miocene age) are predominantly found in extra-peninsular regions like Assam (Makum), Meghalaya (Cherrapunji, Daranggiri), Arunachal Pradesh (Namchik-Namphuk), and Nagaland. They are younger, friable, and high in both sulfur (2-5%) and moisture. Statement 2 is TRUE.
Deposition in coastal/marine environments during the Tertiary period exposed the vegetation to marine sulfates, raising sulfur levels.
3
Evaluate Statement 3 regarding historical coalfield origins.
Raniganj Coalfield in Damodar Valley, West Bengal, is the oldest coalfield in India, where mining started in 1774 by Sumner and Heatly of the East India Company. Jharia Coalfield was developed much later in the 1890s, though it holds India's richest prime coking coal reserves. Statement 3 is FALSE.
Confusing the historic origin site (Raniganj) with the largest coking coal repository (Jharia) leads to an incorrect evaluation of Statement 3.

Anahtar Kavram

Geological distribution, chemical properties, and historical development of Gondwana versus Tertiary coal resources in India
Tahmini Süre:1m 30s
Soru 147Soru →

The Brahmaputra River receives numerous snow-fed and rain-fed tributaries along its course through Assam. Which of the following is a major right-bank tributary of the Brahmaputra River that originates in the Tibetan Himalayas and is recognized as its largest tributary?

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Cevap: Subansiri

Cevap

Subansiri is the major right-bank tributary of the Brahmaputra River that originates in the Tibetan Himalayas.
Subansiri is a trans-Himalayan river that originates in Tibet and flows into Assam, forming the largest right-bank tributary of the Brahmaputra River.

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1
Differentiate between the left-bank and right-bank tributaries of the Brahmaputra River.
Right-bank tributaries flow from the northern Himalayan region (Subansiri, Kameng, Manas, Sankosh, Teesta). Left-bank tributaries join from the south and east (Dibang, Lohit, Burhi Dihing, Dhansiri, Kopili).
Classifying tributaries by bank orientation eliminates options originating from the southern and eastern hills.
2
Identify the river originating in Tibet that is the largest tributary of the Brahmaputra.
Subansiri is a trans-Himalayan river originating in Tibet and is known as the largest tributary of the Brahmaputra River system.
Verifying origin and relative volume confirms Subansiri as the correct response.

Anahtar Kavram

Tributary orientation and geographic origins of the Brahmaputra River System
Soru 148Soru →

Arrange the following major coalfields of India in sequence from West to East based on their geographical location:

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Cevap

The correct arrangement of the coalfields from West to East is Umaria Coalfield, Korba Coalfield, Jharia Coalfield, and Raniganj Coalfield.
The correct longitudinal ordering from West to East begins with Umaria Coalfield in Madhya Pradesh (~78.9° E), followed by Korba Coalfield in Chhattisgarh (~82.7° E), Jharia Coalfield in Jharkhand (~86.4° E), and ends with Raniganj Coalfield in West Bengal (~87.1° E).

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1
Identify the geographical state and approximate longitude for each coalfield
Umaria Coalfield is in Madhya Pradesh (~78.9° E), Korba Coalfield is in Chhattisgarh (~82.7° E), Jharia Coalfield is in Jharkhand (~86.4° E), and Raniganj Coalfield is in West Bengal (~87.1° E).
Determining precise longitudinal locations allows exact spatial ordering across Indian states from west to east.
2
Arrange the coalfields in ascending order of their longitudinal values
Sequence from west to east: Umaria (78.9° E) → Korba (82.7° E) → Jharia (86.4° E) → Raniganj (87.1° E).
A higher east longitude value indicates a position further to the east in India's geographical span.

Anahtar Kavram

Spatial distribution and longitudinal mapping of major Gondwana coalfields in India
Soru 149Soru →

Consider the following statements regarding the major mining and industrial regions of the world:

1. The Witwatersrand region in South Africa is globally renowned for its extensive gold and uranium deposits.
2. The Sudbury district in Ontario, Canada, is one of the world's leading mining centers for nickel and copper.
3. The Krivoy Rog (Kryvyi Rih) basin in Ukraine is primarily recognized as a major producer of bauxite.

Which of the statements given above is/are correct?

Cevabı ve açıklamayı göster

Cevap: 1 and 2 only

Cevap

Statements 1 and 2 are correct, while Statement 3 is incorrect.
The option stating '1 and 2 only' is correct. The Witwatersrand Basin in South Africa contains the world's largest known gold reserves along with significant uranium deposits. The Sudbury Basin in Ontario, Canada, is globally known for vast nickel and copper production. However, Krivoy Rog in Ukraine is a world-renowned iron ore mining basin rather than a bauxite belt.

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1
Evaluate Statement 1 regarding the Witwatersrand region.
Statement 1 is correct. Witwatersrand in South Africa holds the world's largest reserve of gold and is also a major source of uranium.
Geographic confirmation of global precious mineral belts.
2
Evaluate Statement 2 regarding the Sudbury district.
Statement 2 is correct. Sudbury, Ontario, located on an ancient meteorite impact structure, is famous for rich nickel-copper sulfide ore deposits.
Geographic confirmation of North American metalliferous mineral belts.
3
Evaluate Statement 3 regarding the Krivoy Rog basin.
Statement 3 is incorrect. Krivoy Rog in Ukraine is one of Europe's largest iron ore basins, not a producer of bauxite.
Identify mineral mismatch error.

Anahtar Kavram

Global Distribution of Major Metalliferous Minerals and Mining Regions
Soru 150Soru →

Regarding the pedological properties of soil types and the distribution of natural vegetation zones in India, which of the following statements are correct?

Geçerli olan tümünü seçin

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Cevap: Tropical Dry Evergreen forests in India are predominantly located along the Coromandel Coast, sustained primarily by rainfall from the retreating North-East monsoon.; Red soils derive their characteristic reddish tint from the wide diffusion of iron compounds in crystalline and metamorphic rocks, appearing yellow when occurring in a hydrated form.

Cevap

The correct statements are the one describing Tropical Dry Evergreen forests along the Coromandel Coast receiving North-East monsoon rains, and the one stating that Red soils turn yellow when hydrated.
The correct statements accurately identify the unique monsoon precipitation regime supporting Tropical Dry Evergreen forests on the Coromandel Coast, as well as the chemical transformation of iron oxides causing Red soils to appear yellow when hydrated.

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1
Analyze the climatic and spatial distribution of Tropical Dry Evergreen vegetation.
Identify that Coromandel Coast receives rain from the retreating North-East monsoon, matching the moisture requirements of Tropical Dry Evergreen forests.
This coast lies in the rain shadow of the South-West monsoon but receives substantial precipitation during October-December.
2
Evaluate the chemical and organic composition of Saline and Alkaline (Usar) soils.
Confirm that saline soils suffer from extreme nitrogen and organic matter deficiency, not high nitrogen or humus.
Capillary action draws up sodium, calcium, and magnesium salts, rendering the soil infertile and organic-poor.
3
Examine the mineralogy of Red and Yellow soil horizons.
Validate that ferric oxide imparts a red color in diffuse crystalline rocks and turns yellow upon hydration.
Hydration of hematite/iron oxides forms limonite, shifting the visual spectrum from red to yellow.
4
Assess the species composition of Peninsular Montane (Shola) forests.
Recognize that Shola forests consist of broad-leaved evergreen trees rather than temperate Himalayan conifers.
Deodar and Pine are endemic to the sub-Himalayan belt and require cool temperate regimes with snow/frost uncharacteristic of southern peninsular peaks.

Anahtar Kavram

Soil chemistry, mineralogy, and regional forest ecology across Indian climatic regimes.
Soru 151Soru →

Which of the following statements regarding the characteristics of Peninsular and inland river systems in India are correct?

Geçerli olan tümünü seçin

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Cevap: The Narmada and Tapti rivers flow through rift valleys created due to tectonic faulting along the Vindhya and Satpura ranges.; The Cauvery River receives rainfall from both the South-West and North-East monsoons, maintaining relatively low discharge fluctuation throughout the year.; The Luni River is a major inland drainage system of Rajasthan that discharges into the Rann of Kutch without reaching the sea.

Cevap

The statements confirming that Narmada and Tapti flow through tectonic rift valleys, Cauvery receives water from both monsoons, and Luni terminates in the Rann of Kutch are correct.
The statements highlighting Narmada and Tapti's rift valley course, Cauvery's dual-monsoon regime, and Luni's endorheic flow into the Rann of Kutch are accurate. Narmada and Tapti flow westwards through structural troughs formed by faulting. Cauvery is unique among Peninsular rivers because its upper basin gets rainfall from the South-West monsoon and its lower basin from the North-East monsoon. Luni is the primary river of the Rajasthan inland drainage basin.

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1
Analyze structural geology of West-flowing Peninsular rivers
Narmada and Tapti flow through rift valleys between the Vindhya, Satpura, and Ajanta ranges, forming estuaries instead of deltas.
Verify geological origin and flow paths of major West-flowing Peninsular rivers.
2
Evaluate rainfall regimes of the Cauvery basin
The upper catchment in Karnataka gets rain during June–September (South-West monsoon) and the lower catchment in Tamil Nadu gets rain during October–December (North-East monsoon), making Cauvery comparatively perennial.
Determine seasonal variation patterns in Peninsular river flows.
3
Verify origin points of major Peninsular rivers
The Godavari River originates at Trimbakeshwar (Western Ghats, Maharashtra). Amarkantak Plateau is the source of the Narmada and Son rivers.
Identify common geographic origin misconceptions.
4
Examine inland drainage characteristics in Western India
Luni is the principal river of the arid west, originating near Ajmer and terminating in the salt marshes of the Rann of Kutch.
Classify inland/ephemeral river features of India.

Anahtar Kavram

Peninsular and Inland Drainage System Dynamics
Soru 152Soru →

Which of the following industrial regions in India is commonly referred to as the 'Ruhr of India' due to its heavy concentration of coal, iron ore, and iron-and-steel manufacturing industries?

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Cevap: Chota Nagpur Plateau Region

Cevap

The Chota Nagpur Plateau Region is known as the 'Ruhr of India' because of its extensive mineral wealth and dense concentration of metallurgical industries.
The Chota Nagpur Plateau Region is nicknamed the 'Ruhr of India' due to its vast reserves of coal, iron ore, mica, and manganese, as well as the concentration of major integrated iron and steel plants.

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1
Identify the industrial region known for heavy iron ore and coal reserves.
The Chota Nagpur Plateau encompasses parts of Jharkhand, Odisha, West Bengal, and Chhattisgarh, rich in metallic minerals.
Metallurgical industries rely heavily on close proximity to raw material sources like iron ore and coking coal.
2
Correlate with the geographical nickname 'Ruhr of India'.
Similar to the Ruhr valley in Germany, which is famous for coal mining and steel mills, the Chota Nagpur Region hosts major steel plants (e.g., Jamshedpur, Bokaro, Rourkela, Durgapur).
The term 'Ruhr of India' specifically highlights this concentration of coal mining and steel production.

Anahtar Kavram

Industrial Belts and Mineral-based Industries in India
Soru 153Soru →

Which of the following statements regarding the physiographic divisions of the Northern Plains of India are correct?

Geçerli olan tümünü seçin

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Cevap: The Bhabar belt lies adjacent to the Shiwalik foothills and consists of porous pebble deposits where streams disappear underground.; The Terai belt lies south of the Bhabar belt and is a swampy, marshy tract where underground streams re-emerge to the surface.

Cevap

The correct statements are that the Bhabar belt lies adjacent to the Shiwalik foothills with porous pebble deposits where streams sink underground, and the Terai belt lies south of the Bhabar where streams re-emerge creating a marshy zone.
The Bhabar belt consists of coarse pebbles along the Shiwalik foothills where streams disappear due to porosity, and the Terai belt directly south of it is a marshy region where these streams re-emerge. Both statements correctly state these physiographic properties.

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1
Analyze the features of the Bhabar belt.
The Bhabar is a narrow porous belt of pebbles along the Shiwalik foothills where streams disappear, making the statement correct.
Coarse sediment accumulation near the river break of slope creates high porosity.
2
Analyze the features of the Terai belt.
The Terai is a marshy, poorly drained belt lying south of the Bhabar where sub-surface streams re-emerge, making the statement correct.
Topographic flattening forces lost streams back up to the surface.
3
Differentiate between Bhangar and Khadar alluvial deposits.
Bhangar is older alluvium with Kankar nodules forming elevated terraces, while Khadar is newer, flood-renewed fertile silt on active floodplains.
The statements describing Bhangar as newer flood-renewed alluvium and Khadar as older alluvium with Kankar interchanged the definitions.

Anahtar Kavram

Sub-divisions of the Northern Plains of India based on relief and sediment characteristics (Bhabar, Terai, Bhangar, Khadar).
Soru 154Soru →

With reference to the nuclear and strategic mineral resources of India, consider the following statements:

1. Monazite sands, which serve as a primary source of Thorium, are predominantly found along the coastal beach sands of Kerala, Odisha, and Tamil Nadu.
2. Tummalapalle in Andhra Pradesh is recognized by the Atomic Minerals Directorate as hosting one of the largest reserves of Uranium in the world.
3. Domestic production of crude petroleum in India currently meets more than 80% of the country's annual energy consumption requirements.

Which of the statements given above is/are correct?

Cevabı ve açıklamayı göster

Cevap: 1 and 2 only

Cevap

Statements 1 and 2 are correct, while statement 3 is incorrect. Domestic crude petroleum production in India covers less than 15-20% of domestic demand, with the remainder being imported.
Statements 1 and 2 accurately present the distribution of nuclear energy minerals in India. Monazite sands along the southern and eastern coasts are rich sources of Thorium, and the Tummalapalle belt in Andhra Pradesh is one of the world's largest known Uranium deposits. Statement 3 is false because domestic crude oil meets only a minor fraction (under 20%) of national demand, with India relying heavily on crude imports.

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1
Evaluate Statement 1 regarding Monazite sands and Thorium.
Monazite is a placer mineral found extensively in the coastal sands of Kerala (Palakkad/Kollam), Odisha, and Tamil Nadu, containing rich deposits of Thorium and rare earth elements. Statement 1 is correct.
Geological survey data confirms India holds world-leading reserves of Thorium in coastal monazite deposits.
2
Evaluate Statement 2 regarding Uranium reserves at Tummalapalle.
Tummalapalle mine located in the Kadapa basin of Andhra Pradesh was confirmed by the Atomic Energy Commission of India to contain massive reserves of Uranium, making it one of the largest global deposits. Statement 2 is correct.
Tummalapalle is a major nuclear mineral site in India's strategic energy landscape.
3
Evaluate Statement 3 regarding domestic crude petroleum fulfillment.
India is highly import-dependent for crude petroleum, importing more than 85% of its total crude oil needs. Domestic crude oil production fulfills less than 15-20% of domestic demand. Statement 3 is incorrect.
High demand coupled with limited domestic oil extraction makes India a major net importer of petroleum products.

Anahtar Kavram

Distribution and strategic importance of Indian nuclear minerals (Thorium, Uranium) and fossil fuel import dependency.
Tahmini Süre:1m 15s
Soru 155Soru →

Arrange the following hill ranges of the Eastern Ghats in sequential order from North to South:

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Cevap

The correct sequence from North to South is Nallamala Hills, followed by Palkonda Hills, Javadi Hills, and Shevaroy Hills.
The correct North-to-South latitudinal arrangement begins with the Nallamala Hills in central/southern Andhra Pradesh (15.5° N), followed southward by the Palkonda Hills in southern Andhra Pradesh (14.3° N), the Javadi Hills in northern Tamil Nadu (12.6° N), and finally the Shevaroy Hills near Salem, Tamil Nadu (11.8° N).

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1
Identify the latitudinal location of the northernmost hill range
Nallamala Hills are situated between the Krishna and Penna rivers in Andhra Pradesh at approximately 15°30' N latitude.
Determines the start of the North-to-South sequence.
2
Determine the position of the next range towards the south in Andhra Pradesh
Palkonda Hills lie directly south of the Nallamala Hills, trending southeastward at approximately 14°20' N latitude.
Establishes the relative order within the northern section of the Eastern Ghats.
3
Locate the hill ranges extending into Tamil Nadu
Javadi Hills lie in northern Tamil Nadu at approximately 12°35' N, followed further south by Shevaroy Hills near Salem at approximately 11°50' N latitude.
Completes the spatial ordering down to the southern section of the Eastern Ghats.

Anahtar Kavram

Latitudinal spatial distribution of discontinuous hill ranges comprising the Eastern Ghats
Tahmini Süre:2m 0s
Soru 156Soru →

Consider the following statements regarding soil characteristics and natural vegetation patterns in India:

1. Peaty soils (locally termed 'Kari') occurring in the coastal tracts of Kottayam and Alappuzha districts of Kerala are characterized by heavy texture, high accumulation of organic matter, and strong acidity due to the presence of ferrous sulphate.
2. The 'Shola' forests of the Nilgiris, Anaimalai, and Palani hills represent temperate forests restricted to high-altitude montane regions above approximately 1,500 metres.
3. Black soils (Regur) of the Deccan Trap are naturally rich in nitrogen, phosphorus, and organic humus, while being highly deficient in calcium carbonate, magnesia, and iron oxides.

Which of the statements given above are correct?

Cevabı ve açıklamayı göster

Cevap: 1 and 2 only

Cevap

Statements 1 and 2 only are correct.
Statements 1 and 2 are accurate statements of geography: Peaty (Kari) soils of coastal Kerala possess heavy texture, high organic accumulation, and high acidity; while Peninsular temperate montane forests above 1,500 m elevation are classified as Sholas. Statement 3 is incorrect because black soils are poor in nitrogen, phosphorus, and organic matter, though rich in calcium, magnesia, and iron.

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1
Analyze Statement 1 regarding Peaty soils (Kari) in Kerala.
Peaty soils formed under humid conditions in coastal Kerala contain up to 40-50% organic matter, are heavy/black, and exhibit strong acidity due to ferrous sulphate formation during dry periods. Statement 1 is correct.
Evaluates pedological properties of marshy/peaty soil formations in southern India.
2
Analyze Statement 2 regarding Shola forests in the Peninsular montane regions.
The temperate forests in the higher reaches of the Nilgiris, Anaimalai, and Palani hills (above 1,500 m altitude) are known as Sholas. Statement 2 is correct.
Evaluates altitudinal zonation and terminology of Southern Indian natural vegetation.
3
Analyze Statement 3 regarding the chemical composition of Black soils (Regur).
Black soils are derived from basaltic volcanic lava (Deccan Trap). Chemically, they are rich in calcium carbonate, magnesia, potash, and lime, but deficient in nitrogen, phosphorus, and organic humus. Statement 3 is incorrect.
Identifies common misconception regarding mineral content vs organic nutrient status in black soil.

Anahtar Kavram

Soil chemical profiles and montane vegetation zonation in India
Tahmini Süre:2m 0s
Soru 157Soru →

Arrange the following major uranium deposit and mining locations in India in correct sequence from South to North based on their geographical location:

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Cevap

The correct geographical sequence from South to North is Tummalapalle (Andhra Pradesh) → Lambapur-Peddagattu (Telangana) → Jaduguda (Jharkhand) → Rohil (Rajasthan).
The correct sequence from South to North follows the latitudinal alignment of India's primary uranium deposits. Tummalapalle in YSR Kadapa district (Andhra Pradesh) is located furthest south at approximately 14.3° N. Moving northward, Lambapur-Peddagattu in Nalgonda district (Telangana) is at approximately 16.6° N. Continuing further north, India's premier uranium mining area at Jaduguda in East Singhbhum district (Jharkhand) lies at approximately 22.6° N. Finally, the major newly explored deposit at Rohil in Sikar district (Rajasthan) is located furthest north at approximately 27.5° N.

Adım Adım Çözüm

1
Identify the geographical district, state, and latitudinal location of each uranium deposit site.
Tummalapalle lies in YSR Kadapa district, Andhra Pradesh (~14.3° N); Lambapur-Peddagattu lies in Nalgonda district, Telangana (~16.6° N); Jaduguda lies in East Singhbhum district, Jharkhand (~22.6° N); Rohil lies in Sikar district, Rajasthan (~27.5° N).
Determining precise spatial positioning along the North-South axis is required to establish relative ordering.
2
Arrange the locations in ascending order of latitude from South (lowest latitude) to North (highest latitude).
Tummalapalle (14.3° N) < Lambapur-Peddagattu (16.6° N) < Jaduguda (22.6° N) < Rohil (27.5° N).
Lower numerical latitudes represent positions closer to the Equator (South), while higher numerical latitudes represent positions closer to the Tropic of Cancer and North.

Anahtar Kavram

Geographical distribution of atomic mineral resources (Uranium) across Indian states
Soru 158Soru →

Arrange the following global industrial regions in chronological order of their historical emergence as major heavy manufacturing centers during the global expansion of industrialization, from the earliest to the latest:

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Cevap

The correct chronological sequence from earliest to latest is: Lancashire Region (United Kingdom), followed by the Ruhr Valley Basin (Germany), followed by the Pittsburgh–Lake Erie Industrial Belt (United States), and finally the Keihin Industrial Zone (Japan).
The global diffusion of industrialization began in Great Britain (Lancashire) in the 18th century, spread to Western Europe (Ruhr Valley) in the mid-19th century, reached North America (Pittsburgh–Lake Erie) in the late 19th century, and subsequently expanded to East Asia (Keihin Industrial Zone) around the turn of the 20th century.

Adım Adım Çözüm

1
Identify the period of origin for British industrial regions.
Lancashire in the UK was the birthplace of the modern factory system during the 18th century.
Great Britain was the first nation to undergo the Industrial Revolution.
2
Identify the diffusion of industrialization into Continental Europe.
The Ruhr Valley in Germany modernized rapidly around the mid-19th century based on coal extraction and heavy metallurgy.
Continental Europe followed Great Britain's technological advancements in the early to mid-1800s.
3
Trace the growth of North American heavy manufacturing belts.
The Pittsburgh–Lake Erie region became a global steel leader during the late 19th century post-1860s.
The United States expanded heavy industry during the Second Industrial Revolution in the post-Civil War era.
4
Locate the emergence of major East Asian industrial complexes.
Japan's Keihin region (Tokyo-Yokohama) industrialized during the late Meiji era around the turn of the 20th century.
Non-Western industrialization began later following institutional modernization reforms.

Anahtar Kavram

Spatial Diffusion of the Industrial Revolution
Soru 159Soru →

Regarding the physiographic characteristics of the Peninsular Plateau of India, which of the following statements is correct?

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Cevap: The Western Ghats form a continuous mountain wall extending parallel to the western coast, traversed primarily through major passes such as the Palghat Gap.

Cevap

The statement describing the Western Ghats as a continuous mountain wall parallel to the western coast that is crossed mainly through major mountain passes is correct.
The correct option accurately describes the physical geography of the Western Ghats. Running continuously for about 1,600 km along the western border of the Peninsular Plateau, the Sahyadris (Western Ghats) present a steep crest facing the Arabian Sea and can only be crossed through natural passes such as Thal Ghat, Bhor Ghat, and the Palghat Gap.

Adım Adım Çözüm

1
Analyze the structural continuity and major relief features of the Peninsular Plateau's western boundary.
Identified that the Western Ghats form a continuous escarpment running parallel to the Arabian Sea coast, unlike the dissected Eastern Ghats.
Topographic continuity requires crossing via established passes like Palghat, Bhor, and Thal Ghats.
2
Evaluate the spatial locations and orientations of other options.
The Nilgiris lie in South India (south of Satpuras), Narmada and Tapi drain westwards into the Arabian Sea, and the Deccan Trap features basaltic black soil.
Confirms that all distractor options contain spatial, directional, or geological inaccuracies.

Anahtar Kavram

Physiographic characteristics of the Peninsular Plateau and Western Ghats
Soru 160Soru →

Arrange the following types of natural vegetation found in India in increasing order of the average annual rainfall required for their growth:

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Cevap

The correct sequence of vegetation types in increasing order of annual rainfall requirement is: Tropical Thorn Forests (< 70 cm) → Tropical Dry Deciduous Forests (70 to 100 cm) → Tropical Moist Deciduous Forests (100 to 200 cm) → Tropical Wet Evergreen Forests (> 200 cm).
The natural vegetation in India varies according to precipitation levels. The correct sequence from lowest to highest annual rainfall requirement is: Tropical Thorn Forests (less than 70 cm), Tropical Dry Deciduous Forests (70–100 cm), Tropical Moist Deciduous Forests (100–200 cm), and Tropical Wet Evergreen Forests (more than 200 cm).

Adım Adım Çözüm

1
Determine the rainfall range for Tropical Thorn Forests.
Tropical Thorn Forests develop in dry regions receiving less than 70 cm of annual rainfall.
Low moisture availability restricts vegetation growth to thorny trees and shrubs.
2
Determine the rainfall range for Tropical Dry Deciduous Forests.
Tropical Dry Deciduous Forests occupy regions receiving between 70 cm and 100 cm of rainfall.
This forms a transition zone between semi-arid thorn forests and moist deciduous forests.
3
Determine the rainfall range for Tropical Moist Deciduous Forests.
Tropical Moist Deciduous Forests flourish in areas with an annual rainfall of 100 cm to 200 cm.
Moderate rainfall allows trees to retain leaves for a longer period during monsoon months.
4
Determine the rainfall range for Tropical Wet Evergreen Forests.
Tropical Wet Evergreen Forests require high annual rainfall exceeding 200 cm.
Abundant moisture throughout the year supports dense, evergreen forest cover.

Anahtar Kavram

Spatial distribution and rainfall thresholds of natural vegetation in India
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Indian and World Geography Alıştırma Soruları — State PSC Exam — Sayfa 8 | Examkin