Physical Geography — Plate Tectonics
Q682MediumBPSC Prelims
The theory of Plate Tectonics explains:
AOnly the formation of mountains
BThe movement of lithospheric plates, causing earthquakes, volcanoes, mountain formation, and seafloor spreading
COnly the occurrence of earthquakes
DThe pattern of ocean currents
Show Answer
✔ B — The movement of lithospheric plates, causing earthquakes, volcanoes, mountain formation, and seafloor spreading
Plate Tectonics Theory (developed from Alfred Wegener's Continental Drift hypothesis, 1912, and refined through the 1960s by Harry Hess's seafloor spreading): The Earth's lithosphere is divided into ~15 major and several minor rigid plates that move on the semi-molten asthenosphere. Plate boundaries: (1) Convergent (collision) — subduction zones create trenches, island arcs, and fold mountains; (2) Divergent — rifting creates mid-ocean ridges and new seafloor; (3) Transform — lateral movement causes shallow earthquakes (San Andreas Fault). Explains: Himalaya (India plate + Eurasia plate collision), Andes (Nazca + South American plate subduction), Mid-Atlantic Ridge (divergent), Ring of Fire volcanoes (subduction).
*Why A is wrong:* Plate tectonics explains much more than just mountain formation.
*Why C is wrong:* Earthquake explanation is one part — not the complete scope of plate tectonics.
*Why D is wrong:* Ocean currents are driven by wind and density differences — not directly by plate tectonics.
*Why A is wrong:* Plate tectonics explains much more than just mountain formation.
*Why C is wrong:* Earthquake explanation is one part — not the complete scope of plate tectonics.
*Why D is wrong:* Ocean currents are driven by wind and density differences — not directly by plate tectonics.
Physical Geography — Rocks
Q683MediumBPSC Prelims
The Deccan Traps (Deccan Plateau) are primarily composed of:
ASedimentary rocks formed by river deposits
BIgneous rocks (basalt) formed by volcanic lava flows
CMetamorphic rocks under high pressure
DLimestone formed by marine organisms
Show Answer
✔ B — Igneous rocks (basalt) formed by volcanic lava flows
The Deccan Traps are one of the largest volcanic provinces on Earth, formed approximately 65–66 million years ago (near the K-Pg mass extinction event — possibly contributing to dinosaur extinction). Massive basaltic lava flows (flood basalts) erupted from fissures, covering what is now the Deccan Plateau (Maharashtra, Karnataka, Madhya Pradesh — covering about 500,000 km²). The basalt is dark, fine-grained, and forms the characteristic step-like features ("traps" = steps in Dutch/German). This black cotton soil (Regur) derived from basalt is excellent for cotton cultivation. The thin soils retain water well due to clay content.
*Why A is wrong:* Sedimentary rocks form from deposited and lithified sediments — Deccan Plateau is volcanic basalt.
*Why C is wrong:* Metamorphic rocks (like marble, slate) form under heat and pressure — the Deccan Traps are igneous.
*Why D is wrong:* Limestone (a sedimentary rock) forms in marine environments — the Deccan Traps are volcanic.
*Why A is wrong:* Sedimentary rocks form from deposited and lithified sediments — Deccan Plateau is volcanic basalt.
*Why C is wrong:* Metamorphic rocks (like marble, slate) form under heat and pressure — the Deccan Traps are igneous.
*Why D is wrong:* Limestone (a sedimentary rock) forms in marine environments — the Deccan Traps are volcanic.
Physical Geography — Atmosphere
Q684EasyBPSC Prelims
The layer of the atmosphere that contains the ozone layer and is free from weather phenomena is:
ATroposphere
BStratosphere
CMesosphere
DThermosphere
Show Answer
✔ B — Stratosphere
Atmospheric layers (surface to space): (1) Troposphere (0–12 km) — contains weather, temperature decreases with altitude, ~75% of atmospheric mass; (2) Stratosphere (12–50 km) — ozone layer (15–35 km altitude), absorbs UV radiation, temperature increases with altitude, no weather phenomena; (3) Mesosphere (50–80 km) — coldest part of atmosphere, meteors burn up here, temperature decreases; (4) Thermosphere (80–700 km) — very high temperatures but low density, aurora borealis/australis, International Space Station orbit; (5) Exosphere (700+ km) — merges with outer space. The Tropopause separates troposphere from stratosphere; the Stratopause separates stratosphere from mesosphere.
*Why A is wrong:* Troposphere is where all weather occurs — thunderstorms, rain, cyclones, etc.
*Why C is wrong:* Mesosphere is above the stratosphere — meteors burn up there, and it is very cold.
*Why D is wrong:* Thermosphere is much higher than the ozone layer and contains very hot but thin gases.
*Why A is wrong:* Troposphere is where all weather occurs — thunderstorms, rain, cyclones, etc.
*Why C is wrong:* Mesosphere is above the stratosphere — meteors burn up there, and it is very cold.
*Why D is wrong:* Thermosphere is much higher than the ozone layer and contains very hot but thin gases.
Physical Geography — Climate Zones
Q685MediumBPSC Prelims
The "Koppen Climate Classification System" classifies climates primarily based on:
AAltitude and topography
BTemperature and precipitation patterns, related to native vegetation
COcean current temperatures
DSolar radiation and latitude only
Show Answer
✔ B — Temperature and precipitation patterns, related to native vegetation
Vladimir Köppen (1900, revised 1918) classified world climates using temperature and precipitation thresholds correlated with native vegetation. Main groups: A (Tropical — all months above 18°C; includes Af=tropical rainforest, Am=monsoon, Aw=savanna); B (Dry — evaporation > precipitation; includes BWh=hot desert, BSh=hot steppe); C (Temperate — warmest month >10°C, coldest between 0–18°C; includes Cfa=humid subtropical like Bihar); D (Continental — warmest month >10°C, coldest <−3°C); E (Polar — warmest month <10°C). India has multiple climate types — Aw/Am in south, BWh in Rajasthan, Cwa (humid subtropical with dry winter) in the Gangetic plains including Bihar.
*Why A is wrong:* Altitude is not the primary basis of Köppen — it's temperature and precipitation.
*Why C is wrong:* Ocean current temperatures influence climate but are not the basis of Köppen classification.
*Why D is wrong:* Solar radiation and latitude alone don't define the classification — precipitation patterns are equally important.
*Why A is wrong:* Altitude is not the primary basis of Köppen — it's temperature and precipitation.
*Why C is wrong:* Ocean current temperatures influence climate but are not the basis of Köppen classification.
*Why D is wrong:* Solar radiation and latitude alone don't define the classification — precipitation patterns are equally important.
Physical Geography — Indian Monsoon
Q686MediumBPSC Prelims
The South-West Monsoon enters India through:
AThe Bay of Bengal only
BTwo branches — the Bay of Bengal branch (eastern) and the Arabian Sea branch (western)
CThe Arabian Sea only
DThe Himalayan mountain passes in the north
Show Answer
✔ B — Two branches — the Bay of Bengal branch (eastern) and the Arabian Sea branch (western)
The South-West Monsoon (June–September) brings approximately 75% of India's annual rainfall. It enters via two main branches: (1) Arabian Sea Branch — enters Kerala (June 1 normally), splits into: Western Ghats branch (heavy rainfall on windward side, rain shadow on leeward), and Gujarat branch; (2) Bay of Bengal Branch — enters Northeast India and Assam (June), sweeps west along the Himalayan foothills, then across the Gangetic plains. Bihar receives rainfall primarily from the Bay of Bengal branch. The retreating North-East Monsoon (October–December) brings rain to southeast India (Tamil Nadu). The monsoon occurs due to differential heating of land and sea, high/low pressure gradient, and the Inter-Tropical Convergence Zone (ITCZ).
*Why A is wrong:* The Bay of Bengal branch is one of two — the Arabian Sea branch is equally important.
*Why C is wrong:* The Arabian Sea branch is also one of two — missing the Bay of Bengal branch.
*Why D is wrong:* The monsoon enters from the sea — not through mountain passes in the north.
*Why A is wrong:* The Bay of Bengal branch is one of two — the Arabian Sea branch is equally important.
*Why C is wrong:* The Arabian Sea branch is also one of two — missing the Bay of Bengal branch.
*Why D is wrong:* The monsoon enters from the sea — not through mountain passes in the north.
Physical Geography — Ocean Currents
Q687EasyBPSC Prelims
The warm ocean current that moderates the climate of Western Europe is:
AThe Benguela Current
BThe North Atlantic Drift (Gulf Stream extension)
CThe California Current
DThe Labrador Current
Show Answer
✔ B — The North Atlantic Drift (Gulf Stream extension)
The Gulf Stream is a powerful warm ocean current that flows from the Gulf of Mexico northward along the eastern coast of North America, then continues as the North Atlantic Drift across the North Atlantic Ocean toward Western Europe. It transports warm tropical water northward, moderating the climate of the British Isles and Northwestern Europe — making them significantly warmer than their latitude would suggest. Bergen, Norway (at 60°N latitude, similar to southern Alaska) remains ice-free year-round. The Gulf Stream is part of the global thermohaline circulation ("ocean conveyor belt"). It is driven by wind stress and density gradients.
*Why A is wrong:* Benguela Current is a cold current off southwest Africa — it causes fog and cool conditions in Namibia.
*Why C is wrong:* California Current is a cold current off the western USA/California coast — it makes coastal California cooler.
*Why D is wrong:* Labrador Current is a cold current from the Arctic along eastern Canada — it meets the Gulf Stream and creates the Grand Banks fishing grounds but doesn't moderate European climate.
*Why A is wrong:* Benguela Current is a cold current off southwest Africa — it causes fog and cool conditions in Namibia.
*Why C is wrong:* California Current is a cold current off the western USA/California coast — it makes coastal California cooler.
*Why D is wrong:* Labrador Current is a cold current from the Arctic along eastern Canada — it meets the Gulf Stream and creates the Grand Banks fishing grounds but doesn't moderate European climate.
Physical Geography — Soil Types
Q688MediumBPSC Prelims
The soil type that is best suited for cotton cultivation and is found extensively in the Deccan Plateau (Maharashtra, Gujarat, MP) is:
AAlluvial soil (Khadar/Bhangar)
BRed and Yellow soil
CBlack cotton soil (Regur/Lava soil)
DLaterite soil
Show Answer
✔ C — Black cotton soil (Regur/Lava soil)
Black Cotton Soil (Regur): (1) Origin — formed from the weathering of Deccan Trap basalt (volcanic rock); (2) Color — dark black due to iron and aluminium; (3) Properties — high clay content, moisture-retentive (swells when wet, cracks when dry), rich in calcium, magnesium, potash, lime; low in phosphorus, nitrogen, and organic matter; (4) Found in — Maharashtra, Gujarat, MP, parts of AP and Telangana; (5) Best for — cotton, sugarcane, wheat (self-plowing due to cracks). Alluvial soil (Indo-Gangetic Plain — Bihar, UP, Punjab) is the most extensive and fertile — best for wheat, rice, sugarcane. Laterite soil (Western Ghats, Eastern Ghats, Assam, Meghalaya) — leached, poor, acidic — best for plantation crops (tea, coffee, rubber). Red soil (Peninsular India — Tamil Nadu, AP) — deficient in nitrogen, phosphorus, organic matter — rice, wheat.
*Why A is wrong:* Alluvial soil is found in the Gangetic plains (Bihar, UP), not primarily in the Deccan Plateau.
*Why B is wrong:* Red and Yellow soils are found in Tamil Nadu, AP, and parts of Odisha — not the Deccan cotton belt.
*Why D is wrong:* Laterite soil is poor and acidic — not good for cotton; found in high-rainfall regions.
*Why A is wrong:* Alluvial soil is found in the Gangetic plains (Bihar, UP), not primarily in the Deccan Plateau.
*Why B is wrong:* Red and Yellow soils are found in Tamil Nadu, AP, and parts of Odisha — not the Deccan cotton belt.
*Why D is wrong:* Laterite soil is poor and acidic — not good for cotton; found in high-rainfall regions.
Physical Geography — Natural Vegetation
Q689MediumBPSC Prelims
The type of natural vegetation found in areas with less than 70 cm annual rainfall, characterized by thorny scrubs and bushes, is:
ATropical Evergreen Forest
BTropical Deciduous Forest (Monsoon Forest)
CTropical Thorn Forest and Scrub
DAlpine Forest
Show Answer
✔ C — Tropical Thorn Forest and Scrub
India's natural vegetation types by rainfall: (1) Tropical Evergreen Forest (>200 cm rainfall): Western Ghats (windward), Andaman & Nicobar, NE India — tall, dense, multi-layered, trees retain leaves year-round; (2) Tropical Semi-Evergreen Forest (100–200 cm): transitional; (3) Tropical Deciduous (Monsoon) Forest (70–200 cm): most widespread — teak, sal, bamboo, trees shed leaves in dry season; (4) Tropical Thorn Forest and Scrub (<70 cm): Rajasthan, Gujarat, Punjab, Haryana — acacia, cactus, thorny bushes, sparse vegetation, deep root systems; (5) Alpine/Tundra: high altitude (>3,600 m): Himalayas — mosses, lichens, dwarf shrubs.
*Why A is wrong:* Tropical Evergreen Forest requires heavy rainfall (>200 cm) — found in Western Ghats, not low-rainfall areas.
*Why B is wrong:* Tropical Deciduous Forest requires 70–200 cm rainfall — slightly more than thorn forest.
*Why D is wrong:* Alpine forest is in high-altitude Himalayas — not a low-rainfall, low-altitude vegetation type.
*Why A is wrong:* Tropical Evergreen Forest requires heavy rainfall (>200 cm) — found in Western Ghats, not low-rainfall areas.
*Why B is wrong:* Tropical Deciduous Forest requires 70–200 cm rainfall — slightly more than thorn forest.
*Why D is wrong:* Alpine forest is in high-altitude Himalayas — not a low-rainfall, low-altitude vegetation type.
Physical Geography — Earthquakes
Q690HardBPSC Prelims
The focus (hypocenter) and epicenter of an earthquake are:
ATwo terms for the same point directly on the Earth's surface
BThe focus is the underground point of origin; the epicenter is directly above it on the surface
CThe epicenter is underground; the focus is on the surface
DBoth are always located in the ocean
Show Answer
✔ B — The focus is the underground point of origin; the epicenter is directly above it on the surface
Earthquake terminology: (1) Focus (Hypocenter) — the actual underground point where seismic energy is released (the point where rocks break/slip); depth classification: Shallow (<70 km, most destructive), Intermediate (70–300 km), Deep (>300 km); (2) Epicenter — the point on Earth's surface directly above the focus; maximum shaking and damage occurs here; (3) Seismic waves: P-waves (Primary/Pressure — travel through solids and liquids, fastest), S-waves (Secondary/Shear — transverse, travel only through solids, arrive second), and Surface waves (L-waves and Rayleigh waves — travel along the surface, cause most destruction); (4) Richter Scale — logarithmic scale of earthquake magnitude; Moment Magnitude Scale (Mw) is now more commonly used.
*Why A is wrong:* Focus and epicenter are different points — focus is underground, epicenter is on the surface.
*Why C is wrong:* This reverses the correct positions — epicenter is on the surface, focus is underground.
*Why D is wrong:* Earthquakes occur both on land and under the ocean (generating tsunamis) — both locations are possible.
*Why A is wrong:* Focus and epicenter are different points — focus is underground, epicenter is on the surface.
*Why C is wrong:* This reverses the correct positions — epicenter is on the surface, focus is underground.
*Why D is wrong:* Earthquakes occur both on land and under the ocean (generating tsunamis) — both locations are possible.
Physical Geography — Rivers
Q691MediumBPSC Prelims
A river that flows in the opposite direction of the slope due to tilting of land is called:
AAntecedent river
BConsequent river
CObsequent river
DSubsequent river
Show Answer
✔ C — Obsequent river
River drainage pattern terminology: (1) Consequent river — flows in the direction of original land slope; (2) Subsequent river — develops along zones of weakness (softer rock) after the initial drainage is established; (3) Antecedent river — existed before the uplift of mountains; continues to cut through the uplifted land (example: the Indus, Ganga, Brahmaputra — these pre-dated Himalayan uplift); (4) Obsequent river — flows in the opposite direction to the original slope (often seen in rejuvenated landscapes or tilted terrain); (5) Resequent river — flows in the same direction as the consequent river but developed later. Antecedent rivers are significant for the Indus System — the Indus, Jhelum, Chenab, Sutlej, Ganga, Yamuna, and Brahmaputra all pre-date the Himalayas.
*Why A is wrong:* Antecedent rivers pre-date mountain formation and cut through uplifted mountains — different concept.
*Why B is wrong:* Consequent rivers flow in the SAME direction as the original slope — not opposite.
*Why D is wrong:* Subsequent rivers develop along softer rock bands — not opposite to original slope.
*Why A is wrong:* Antecedent rivers pre-date mountain formation and cut through uplifted mountains — different concept.
*Why B is wrong:* Consequent rivers flow in the SAME direction as the original slope — not opposite.
*Why D is wrong:* Subsequent rivers develop along softer rock bands — not opposite to original slope.
Physical Geography — Climate
Q692EasyBPSC Prelims
The term "Loo" in North India (including Bihar) refers to:
AA cold, wet wind from the Himalayas in winter
BA hot, dry, and dusty wind blowing in the afternoon from the west/northwest during May–June
CA coastal breeze from the Bay of Bengal
DA cyclonic storm in the Bay of Bengal
Show Answer
✔ B — A hot, dry, and dusty wind blowing in the afternoon from the west/northwest during May–June
Loo is a hot, dry, and dusty wind blowing from the west and northwest across the Indo-Gangetic plains during the hot weather season (May–June). It blows in the afternoon (typically 12 pm–6 pm) when surface temperatures are highest. Characteristics: temperatures can reach 45–48°C or higher; causes heat stress, dehydration, and sometimes death in humans and livestock. Geographically, Loo is most intense in Rajasthan and Punjab, and blows eastward into Haryana, Uttar Pradesh, and Bihar. The Loo is a local wind (like Bora in Adriatic, Sirocco in Mediterranean, Mistral in France, Foehn in Alps, Chinook in North America). Bihar summers are particularly harsh due to the Loo effect.
*Why A is wrong:* Cold, wet Himalayan winter winds are called "Purwai" or mountain breezes — not Loo.
*Why C is wrong:* Bay of Bengal coastal breeze is called "sea breeze" — not Loo (which is a dry, hot inland wind).
*Why D is wrong:* A cyclonic storm in the Bay of Bengal is a tropical cyclone — not Loo.
*Why A is wrong:* Cold, wet Himalayan winter winds are called "Purwai" or mountain breezes — not Loo.
*Why C is wrong:* Bay of Bengal coastal breeze is called "sea breeze" — not Loo (which is a dry, hot inland wind).
*Why D is wrong:* A cyclonic storm in the Bay of Bengal is a tropical cyclone — not Loo.
Physical Geography — Coal
Q693MediumBPSC Prelims
India's most significant coalfields are located in:
AThe Himalayan foothills
BThe Gondwana rock formations of central-eastern India (Jharkhand, Odisha, Bengal, MP, Chhattisgarh)
CThe Deccan Plateau volcanic basalt
DThe coastal alluvial plains
Show Answer
✔ B — The Gondwana rock formations of central-eastern India (Jharkhand, Odisha, Bengal, MP, Chhattisgarh)
India produces about 770 million tonnes of coal annually (one of the world's largest producers). Key coal facts: (1) Gondwana coal (~99% of India's coal reserves) — formed 200–300 million years ago during the Gondwana period; higher quality, bituminous; found in Jharkhand (Jharia, Bokaro, Dhanbad — largest coalfields), Odisha (Talcher, Ib River), Bengal (Raniganj), MP and Chhattisgarh (Korba, Singrauli), Andhra Pradesh (Godavari Valley); (2) Tertiary coal (~1% reserves) — northeast India (Assam, Meghalaya), lower quality, sub-bituminous; (3) Major coal producers: Jharkhand > Odisha > Chhattisgarh > MP > Telangana. Jharia (Jharkhand) has the only coking coal deposits (for steel production) in India.
*Why A is wrong:* Himalayan foothills have only minor tertiary coal deposits — not India's major coalfields.
*Why C is wrong:* Deccan basalt is volcanic rock that replaced existing formations — not associated with major coal.
*Why D is wrong:* Coastal alluvial plains are formed by river deposits — coal requires ancient organic material burial.
*Why A is wrong:* Himalayan foothills have only minor tertiary coal deposits — not India's major coalfields.
*Why C is wrong:* Deccan basalt is volcanic rock that replaced existing formations — not associated with major coal.
*Why D is wrong:* Coastal alluvial plains are formed by river deposits — coal requires ancient organic material burial.
Physical Geography — Volcano
Q694EasyBPSC Prelims
Which of the following is India's only active volcano?
ADeccan Plateau (Maharashtra)
BBarren Island (Andaman & Nicobar Islands)
CNarcondam Island (Andaman & Nicobar)
DDhinodhar Hills (Gujarat)
Show Answer
✔ B — Barren Island (Andaman & Nicobar Islands)
Barren Island in the Andaman & Nicobar Islands is India's only confirmed active volcano. It is located in the Andaman Sea and has erupted multiple times in recorded history — most recently in 2017. It is a stratovolcano (composite volcano). Narcondam Island (also in Andaman & Nicobar) has a volcanic peak but is considered dormant (not active). The Deccan Traps are ancient lava flows (65 million years old) — not an active volcano. The Barren Island volcano is part of the "Ring of Fire" subduction zone arc in the Andaman region. It is uninhabited.
*Why A is wrong:* The Deccan Plateau is not a volcanic cone or active volcano — it is ancient solidified basalt.
*Why C is wrong:* Narcondam Island is dormant (not active) — the peak is forested, and no recent eruptions occurred.
*Why D is wrong:* Dhinodhar Hills (Gujarat) are ancient igneous intrusive formations — not an active volcano.
*Why A is wrong:* The Deccan Plateau is not a volcanic cone or active volcano — it is ancient solidified basalt.
*Why C is wrong:* Narcondam Island is dormant (not active) — the peak is forested, and no recent eruptions occurred.
*Why D is wrong:* Dhinodhar Hills (Gujarat) are ancient igneous intrusive formations — not an active volcano.
Physical Geography — Tides
Q695MediumBPSC Prelims
The phenomenon of "Spring Tides" occurs when:
ATides are strongest during spring season
BThe sun, Earth, and moon are aligned (syzygy) — at new moon and full moon — producing highest high tides and lowest low tides
CThe moon is at a 90° angle to the Earth-Sun line — producing smaller tides
DTyphoons and cyclones cause storm surges
Show Answer
✔ B — The sun, Earth, and moon are aligned (syzygy) — at new moon and full moon — producing highest high tides and lowest low tides
Tides are caused by the gravitational pull of the Moon (primary force — 2.2× stronger than Sun) and the Sun. Spring Tides: occur at new moon and full moon when the Sun, Earth, and Moon are aligned (syzygy) — gravitational forces add together, producing higher-than-normal high tides and lower-than-normal low tides. The tidal range is greatest. Neap Tides: occur when the Moon is at first or third quarter (90° to Earth-Sun line) — the Sun and Moon's gravitational forces partially cancel, producing less extreme tidal ranges. India's highest tidal range occurs in the Gulf of Khambhat (Cambay) — up to 12 meters. The Gulf of Khambhat tidal energy potential is significant. Tides are important for navigation, fishing, and tidal energy.
*Why A is wrong:* Spring tides have nothing to do with the spring season — they occur twice monthly.
*Why C is wrong:* The 90° angle (quadrature) creates NEAP tides — smaller tidal ranges, not spring tides.
*Why D is wrong:* Storm surges are weather-driven phenomena — not the same as astronomical spring tides.
*Why A is wrong:* Spring tides have nothing to do with the spring season — they occur twice monthly.
*Why C is wrong:* The 90° angle (quadrature) creates NEAP tides — smaller tidal ranges, not spring tides.
*Why D is wrong:* Storm surges are weather-driven phenomena — not the same as astronomical spring tides.
Physical Geography — Grasslands
Q696MediumBPSC Prelims
Match the following grasslands with their correct geographic region:
ASteppes — South America; Pampas — North America; Prairies — Eurasia
BPrairies — North America (Canada/USA); Steppes — Eurasia; Pampas — South America; Veld — South Africa
CSavannas — Europe; Prairies — Africa; Pampas — Asia
DVeld — Australia; Pampas — North America; Prairies — South America
Show Answer
✔ B — Prairies — North America (Canada/USA); Steppes — Eurasia; Pampas — South America; Veld — South Africa
Major grasslands of the world: (1) Prairies — North America (Canada, USA) — temperate grassland, wheat production; (2) Pampas — South America (Argentina, Uruguay, southern Brazil) — cattle ranching, maize, wheat; (3) Steppes — Eurasia (Central Asia, Russia, Ukraine) — "breadbasket of Russia," wheat; (4) Veld — South Africa — savanna-grassland transition; (5) Downs — Australia (New South Wales, Victoria) — sheep grazing, wheat; (6) Llanos — Venezuela, Colombia — tropical savanna; (7) Campos — Brazil — tropical savanna; (8) Savanna — Africa (sub-Saharan) — tropical grassland with scattered trees. "Veld" means "field" in Afrikaans/Dutch.
*Why A is wrong:* This reverses the locations — Steppes are in Eurasia, not South America; Pampas are in South America, not North America.
*Why C is wrong:* Savannas are in Africa and South America — not Europe; completely wrong locations.
*Why D is wrong:* Veld is in South Africa — not Australia; Pampas are in South America — not North America.
*Why A is wrong:* This reverses the locations — Steppes are in Eurasia, not South America; Pampas are in South America, not North America.
*Why C is wrong:* Savannas are in Africa and South America — not Europe; completely wrong locations.
*Why D is wrong:* Veld is in South Africa — not Australia; Pampas are in South America — not North America.
Physical Geography — Climate Change
Q697HardBPSC Prelims
The "Albedo Effect" refers to:
AGreenhouse gas absorption of infrared radiation
BThe proportion of solar radiation reflected back from a surface (snow/ice reflects more, dark surfaces absorb more)
CThe warming of oceans due to UV radiation
DThe ozone layer's ability to filter sunlight
Show Answer
✔ B — The proportion of solar radiation reflected back from a surface (snow/ice reflects more, dark surfaces absorb more)
Albedo is the fraction of incident solar radiation that is reflected back by a surface. High albedo = more reflection = less heating: Fresh snow: 80–90% reflection; Ice: 50–70%; Clouds: 30–80%; Deserts: 25–40%. Low albedo = less reflection = more absorption: Oceans: 3–10%; Dark soil: 10–20%; Forests: 10–20%. The Ice-Albedo Feedback Loop: as global warming melts ice and snow, darker ocean/land is exposed, which absorbs more solar radiation, causing further warming, which melts more ice — a positive feedback cycle. This accelerates Arctic warming. Similarly, replacing forests with concrete increases albedo slightly but reduces evapotranspiration. The albedo effect is a critical factor in climate models.
*Why A is wrong:* Greenhouse gas absorption of infrared radiation is the greenhouse effect — different mechanism.
*Why C is wrong:* Ocean warming by UV radiation is not how oceans warm — it's infrared absorption, not UV.
*Why D is wrong:* The ozone layer filters UV radiation — this is not called the albedo effect.
*Why A is wrong:* Greenhouse gas absorption of infrared radiation is the greenhouse effect — different mechanism.
*Why C is wrong:* Ocean warming by UV radiation is not how oceans warm — it's infrared absorption, not UV.
*Why D is wrong:* The ozone layer filters UV radiation — this is not called the albedo effect.
Physical Geography — Watershed
Q698EasyBPSC Prelims
The highest peak in South India is:
ANilgiri Hills
BAnai Mudi (Anamudi) — 2,695 m, Kerala
CDoddabetta (Nilgiris) — 2,637 m
DKudremukh — 1,892 m, Karnataka
Show Answer
✔ B — Anai Mudi (Anamudi) — 2,695 m, Kerala
Anai Mudi (Anamudi) at 2,695 m (8,842 ft) is the highest peak in South India (and in the Western Ghats). It is located in the Eravikulam National Park, Idukki district, Kerala. The peak is part of the Anaimalai Hills (Elephant Hills). It is the highest peak in India south of the Himalayas. Other notable South Indian peaks: Doddabetta (2,637 m) in the Nilgiris (Tamil Nadu) — highest peak of the Nilgiris; Kodachadri (1,343 m) — Karnataka; Mahendragiri (1,501 m) — Odisha.
*Why A is wrong:* "Nilgiri Hills" is a range — not a specific peak. Doddabetta (in Nilgiris) is 2,637 m — still lower than Anai Mudi.
*Why C is wrong:* Doddabetta (2,637 m) is the second highest after Anai Mudi — not the highest.
*Why D is wrong:* Kudremukh (1,892 m) is lower than both Anai Mudi and Doddabetta.
*Why A is wrong:* "Nilgiri Hills" is a range — not a specific peak. Doddabetta (in Nilgiris) is 2,637 m — still lower than Anai Mudi.
*Why C is wrong:* Doddabetta (2,637 m) is the second highest after Anai Mudi — not the highest.
*Why D is wrong:* Kudremukh (1,892 m) is lower than both Anai Mudi and Doddabetta.
Physical Geography — Latitude/Longitude
Q699MediumBPSC Prelims
The Tropic of Cancer (23.5°N) passes through which of the following Indian states?
AOnly Rajasthan and Gujarat
BRajasthan, Gujarat, MP, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram
CPunjab, Haryana, UP, Bihar, West Bengal
DAndhra Pradesh, Telangana, Karnataka, Maharashtra
Show Answer
✔ B — Rajasthan, Gujarat, MP, Chhattisgarh, Jharkhand, West Bengal, Tripura, and Mizoram
The Tropic of Cancer (23.5°N latitude) passes through 8 Indian states: (1) Gujarat (west), (2) Rajasthan, (3) Madhya Pradesh, (4) Chhattisgarh, (5) Jharkhand, (6) West Bengal, (7) Tripura, (8) Mizoram (east). Bihar is slightly north of the Tropic of Cancer (between ~24.3°N and ~27.5°N latitude). The Tropic of Cancer is significant as it marks the northernmost latitude where the sun appears directly overhead (during the summer solstice, approximately June 21). India is located between the Tropic of Cancer and the Equator (southern part) and between the Tropic of Cancer and the 37°N latitude (northern part — including J&K, Himachal Pradesh, Punjab).
*Why A is wrong:* The Tropic of Cancer passes through 8 states — not just Rajasthan and Gujarat.
*Why C is wrong:* Punjab, Haryana, UP, and Bihar are north of the Tropic of Cancer — it does not pass through these states.
*Why D is wrong:* AP, Telangana, Karnataka, and Maharashtra are south of the Tropic of Cancer.
*Why A is wrong:* The Tropic of Cancer passes through 8 states — not just Rajasthan and Gujarat.
*Why C is wrong:* Punjab, Haryana, UP, and Bihar are north of the Tropic of Cancer — it does not pass through these states.
*Why D is wrong:* AP, Telangana, Karnataka, and Maharashtra are south of the Tropic of Cancer.
Physical Geography — Minerals
Q700MediumBPSC Prelims
Bauxite (ore of aluminium) is found in large quantities in:
ARajasthan (near Jodhpur)
BJharkhand, Odisha, Gujarat, and Maharashtra
CBihar (Rohtas and Siwan districts)
DHimachal Pradesh glacial deposits
Show Answer
✔ B — Jharkhand, Odisha, Gujarat, and Maharashtra
Bauxite (aluminium ore — Al₂O₃) deposits in India: (1) Odisha — largest reserves (Kalahandi, Koraput, Sambalpur — Panchpat Mali, Deomali plateaus); (2) Jharkhand (Lohardaga — formerly Bihar); (3) Gujarat (Bhavanagar, Jamnagar); (4) Maharashtra (Kolhapur, Ratnagiri); (5) Andhra Pradesh (Visakhapatnam). India has the 5th largest bauxite reserves in the world. Alumina (Al₂O₃) is extracted from bauxite through the Bayer process and then reduced to aluminium through electrolytic smelting. Aluminium plants in India: NALCO (Odisha), BALCO (Chhattisgarh), Hindalco (UP, Odisha), MALCO (Tamil Nadu).
*Why A is wrong:* Rajasthan is known for non-ferrous minerals like lead-zinc (Zawar), sandstone, marble — not major bauxite.
*Why C is wrong:* Bihar (post-Jharkhand separation) does not have significant bauxite deposits.
*Why D is wrong:* Himachal Pradesh glacial deposits do not contain bauxite — it's found in lateritic/tropical soils.
*Why A is wrong:* Rajasthan is known for non-ferrous minerals like lead-zinc (Zawar), sandstone, marble — not major bauxite.
*Why C is wrong:* Bihar (post-Jharkhand separation) does not have significant bauxite deposits.
*Why D is wrong:* Himachal Pradesh glacial deposits do not contain bauxite — it's found in lateritic/tropical soils.
India Geography — Mountains
Q702MediumBPSC Prelims
Which Himalayan peak is the highest point in India?
AMount Everest (Nepal-Tibet border)
BKanchenjunga (India-Nepal border, Sikkim) at 8,586 m
CK2 (Karakoram, Pakistan-administered territory) at 8,611 m
DNanda Devi (Uttarakhand) at 7,816 m
Show Answer
✔ B — Kanchenjunga (India-Nepal border, Sikkim) at 8,586 m
The highest peak on undisputed Indian territory is Kanchenjunga (Kangchenjunga) at 8,586 m — located on the Sikkim-Nepal border. It is the world's third highest mountain overall. K2 (8,611 m) in the Karakoram range is technically higher but is in Pakistan-administered Kashmir (Gilgit-Baltistan), which India claims as its territory but does not currently administer. If one includes K2, it would be the highest on Indian-claimed territory (8,611 m). In terms of the territory India actually administers, Kanchenjunga at 8,586 m (Sikkim) is the highest. Nanda Devi (7,816 m) in Uttarakhand is the highest peak within the interior of India (not on a border). The highest peak in the Eastern Himalayas within India is also Kanchenjunga.
*Why A is wrong:* Mount Everest (8,848 m) is in Nepal/Tibet — not on Indian soil.
*Why C is wrong:* K2 is in the Karakoram in Pakistan-administered territory (disputed) — not in Indian-administered territory.
*Why D is wrong:* Nanda Devi (7,816 m) is lower than Kanchenjunga (8,586 m).
*Why A is wrong:* Mount Everest (8,848 m) is in Nepal/Tibet — not on Indian soil.
*Why C is wrong:* K2 is in the Karakoram in Pakistan-administered territory (disputed) — not in Indian-administered territory.
*Why D is wrong:* Nanda Devi (7,816 m) is lower than Kanchenjunga (8,586 m).
India Geography — Passes
Q703MediumBPSC Prelims
The Nathu La Pass (reopened for trade in 2006) connects:
AIndia (Himachal Pradesh) with Tibet/China
BIndia (Sikkim) with Tibet/China
CIndia (Arunachal Pradesh) with Myanmar
DIndia (Uttarakhand) with Nepal
Show Answer
✔ B — India (Sikkim) with Tibet/China
Nathu La (elevation 4,310 m) is a mountain pass in the Himalayas connecting the Indian state of Sikkim with the Tibet Autonomous Region of China. It was the main trade route of the Silk Road until 1962 (Sino-Indian War). The pass was reopened for limited border trade in 2006, more than 44 years after closure. Important Himalayan passes: (1) Nathu La — Sikkim-Tibet; (2) Bara-Lacha La — Himachal Pradesh; (3) Rohtang Pass — Himachal Pradesh (now Atal Tunnel bypasses it); (4) Bolan Pass — Pakistan (Balochistan); (5) Khyber Pass — Pakistan-Afghanistan; (6) Zoji La — Jammu & Kashmir (connects Kashmir with Ladakh); (7) Shipki La — Himachal Pradesh-Tibet.
*Why A is wrong:* Nathu La connects Sikkim — not Himachal Pradesh — with Tibet.
*Why C is wrong:* Arunachal Pradesh-Myanmar passes include Stilwell Road — not Nathu La.
*Why D is wrong:* Uttarakhand-Nepal connections are via river valleys and lower passes — not Nathu La.
*Why A is wrong:* Nathu La connects Sikkim — not Himachal Pradesh — with Tibet.
*Why C is wrong:* Arunachal Pradesh-Myanmar passes include Stilwell Road — not Nathu La.
*Why D is wrong:* Uttarakhand-Nepal connections are via river valleys and lower passes — not Nathu La.
India Geography — Lakes
Q704EasyBPSC Prelims
The largest freshwater lake in India is:
AChilika Lake (Odisha)
BWular Lake (J&K)
CDal Lake (J&K)
DVembanad Lake (Kerala)
Show Answer
✔ B — Wular Lake (J&K)
Wular Lake in Jammu & Kashmir is the largest freshwater lake in India (and one of the largest in Asia), with an area of approximately 189–259 km² depending on the season. It is a tectonic lake formed by tectonic activity. The Jhelum River flows through it. Wular Lake is a Ramsar wetland site. Other important Indian lakes: Chilika Lake (Odisha) — India's largest brackish water lake/lagoon, Ramsar site, pink flamingos; Dal Lake (J&K) — famous for houseboats, Mughal gardens; Vembanad Lake (Kerala) — longest lake in India, Kuttanad (below sea level agriculture), backwaters, Ramsar site; Sambhar Lake (Rajasthan) — largest salt lake in India; Loktak Lake (Manipur) — largest freshwater lake in NE India, floating phumdis.
*Why A is wrong:* Chilika Lake is India's largest BRACKISH water lake (lagoon) — not the largest freshwater lake.
*Why C is wrong:* Dal Lake is smaller than Wular Lake — famous for tourism, not the largest.
*Why D is wrong:* Vembanad Lake is the LONGEST lake in India (Kerala backwaters) — not the largest freshwater lake.
*Why A is wrong:* Chilika Lake is India's largest BRACKISH water lake (lagoon) — not the largest freshwater lake.
*Why C is wrong:* Dal Lake is smaller than Wular Lake — famous for tourism, not the largest.
*Why D is wrong:* Vembanad Lake is the LONGEST lake in India (Kerala backwaters) — not the largest freshwater lake.
India Geography — Agriculture
Q705MediumBPSC Prelims
The Green Revolution in India (1960s–70s) was associated primarily with:
AIntroduction of hybrid rice and wheat varieties, increased irrigation, and fertilizer use — primarily benefiting Punjab, Haryana, and Western UP
BIncrease in sugarcane and cotton production in Maharashtra and Gujarat
CExpansion of jute cultivation in the Brahmaputra valley
DTribal land reclamation in central India
Show Answer
✔ A — Introduction of hybrid rice and wheat varieties, increased irrigation, and fertilizer use — primarily benefiting Punjab, Haryana, and Western UP
Green Revolution in India: (1) M.S. Swaminathan is called the "Father of the Green Revolution in India"; (2) Norman Borlaug (Nobel Peace Prize 1970) developed high-yield variety (HYV) wheat in Mexico — these varieties were introduced in India; (3) Primary crops: HYV wheat (Mexico variety — Sonora 64, Lerma Rojo) and later HYV rice; (4) Main beneficiary regions: Punjab ("India's Breadbasket"), Haryana, and western UP — due to existing irrigation infrastructure (canal irrigation + tube wells); (5) Period: Late 1960s–1970s; (6) Impact: India became self-sufficient in food grain production (transformed from "Ship to Mouth" existence — PL 480 imports — to self-sufficiency); (7) Issues: benefits were concentrated (not Bihar or eastern India which had different soil/irrigation conditions), environmental degradation.
*Why B is wrong:* Green Revolution focused on food grains (wheat and rice) — not sugarcane or cotton.
*Why C is wrong:* Jute expansion in Brahmaputra valley is a different agricultural change — not Green Revolution.
*Why D is wrong:* Tribal land reclamation is a land reform issue — not part of the Green Revolution.
*Why B is wrong:* Green Revolution focused on food grains (wheat and rice) — not sugarcane or cotton.
*Why C is wrong:* Jute expansion in Brahmaputra valley is a different agricultural change — not Green Revolution.
*Why D is wrong:* Tribal land reclamation is a land reform issue — not part of the Green Revolution.
Q720MediumBPSC Prelims
The "White Revolution" (Operation Flood) in India was associated with:
AIncrease in cotton production
BIncrease in milk production and dairy development — organized by NDDB under Verghese Kurien
CExpansion of sugar cultivation
DIntroduction of white hybrid rice varieties
Show Answer
✔ B — Increase in milk production and dairy development — organized by NDDB under Verghese Kurien
White Revolution (Operation Flood): (1) Also called "Milk Revolution"; (2) Led by Dr. Verghese Kurien (called the "Milkman of India" and "Father of the White Revolution"); (3) Implemented through the National Dairy Development Board (NDDB) and the Amul cooperative (Anand, Gujarat); (4) Launched in 1970 in three phases (Phase I: 1970–80, Phase II: 1981–85, Phase III: 1985–96); (5) Made India the world's largest milk producer (overtaking the USA in 1998); (6) Model: farmer-owned dairy cooperatives — the Anand Pattern; (7) Amul ("Anand Milk Union Limited") became a global brand. Other revolutions: Blue Revolution = fish production; Yellow Revolution = oilseeds; Silver Revolution = eggs; Green Revolution = food grains; Pink Revolution = shrimp/meat.
*Why A is wrong:* Cotton production increase is not called White Revolution in the dairy context.
*Why C is wrong:* Sugar cultivation expansion is not a "revolution" program.
*Why D is wrong:* White hybrid rice varieties are part of the Green Revolution — not White Revolution.
*Why A is wrong:* Cotton production increase is not called White Revolution in the dairy context.
*Why C is wrong:* Sugar cultivation expansion is not a "revolution" program.
*Why D is wrong:* White hybrid rice varieties are part of the Green Revolution — not White Revolution.
India Geography — Population
Q706MediumBPSC Prelims
India's first modern census was conducted in:
A1861
B1872 (under Lord Mayo)
C1891
D1901
Show Answer
✔ B — 1872 (under Lord Mayo)
India's census history: (1) First comprehensive (synchronous) Census — 1872 under Lord Mayo (Viceroy); (2) First census conducted on scientific lines (same day count) — 1881 under Lord Ripon; (3) Decennial (every 10 years) census from 1881 onwards; (4) Post-independence censuses: 1951, 1961, 1971, 1981, 1991, 2001, 2011 (most recent published), and 2021 (delayed due to COVID-19, published 2024). India's population (2011): 1.21 billion; density 382/km²; sex ratio 940/1000 males; literacy rate 74.04%. India surpassed China to become the world's most populous country in 2023 (approximately 1.43 billion). Population growth rate: 1.2% per year.
*Why A is wrong:* 1861 had partial provincial counts but not a comprehensive all-India census under Mayo.
*Why C is wrong:* 1891 was an important later census but not the first — 1872 was the first comprehensive one.
*Why D is wrong:* 1901 census was when Ripon's systematic decennial census was well-established — not the first.
*Why A is wrong:* 1861 had partial provincial counts but not a comprehensive all-India census under Mayo.
*Why C is wrong:* 1891 was an important later census but not the first — 1872 was the first comprehensive one.
*Why D is wrong:* 1901 census was when Ripon's systematic decennial census was well-established — not the first.
India Geography — Urban
Q707EasyBPSC Prelims
India's most populous city (2011 census, metropolitan area) is:
ADelhi (NCT)
BMumbai
CKolkata
DChennai
Show Answer
✔ A — Delhi (NCT)
Delhi NCT (National Capital Territory) is India's most populous metropolitan area as of the 2011 census (approximately 16.3 million city proper; 21+ million urban agglomeration). Mumbai was historically India's largest city but Delhi surpassed it between 2001–2011. Rankings (2011 urban agglomeration): (1) Mumbai 18.4 million, (2) Delhi 16.3 million city proper but the NCT urban agglomeration is larger at ~26 million. The National Capital Region (NCR) including Noida, Gurgaon etc. is even larger. By 2023 estimates, Delhi NCR has approximately 33 million people. India has several cities with >1 million population (Class I cities): Mumbai, Delhi, Kolkata, Chennai, Bangalore, Hyderabad, Ahmedabad, Pune, Surat, etc.
*Why B is wrong:* Mumbai was historically India's largest city but Delhi has since overtaken it in NCT/NCR terms.
*Why C is wrong:* Kolkata was historically significant as capital (until 1911) but is now India's 3rd or 4th largest.
*Why D is wrong:* Chennai (Madras) is a large city but smaller than Delhi, Mumbai, and Kolkata.
*Why B is wrong:* Mumbai was historically India's largest city but Delhi has since overtaken it in NCT/NCR terms.
*Why C is wrong:* Kolkata was historically significant as capital (until 1911) but is now India's 3rd or 4th largest.
*Why D is wrong:* Chennai (Madras) is a large city but smaller than Delhi, Mumbai, and Kolkata.
India Geography — Ports
Q708HardBPSC Prelims
The major port on the east coast of India that handles the most cargo is:
AKochi (Cochin) Port
BChennai Port
CParadip Port (Odisha)
DVishakhapatnam (Vizag) Port
Show Answer
✔ D — Vishakhapatnam (Vizag) Port
Visakhapatnam (Vizag) Port in Andhra Pradesh is one of India's busiest ports by cargo volume. India's major ports: East Coast — Kolkata (including Haldia dock), Paradip (Odisha), Visakhapatnam (AP), Kamarajar (Ennore — Chennai), Chennai, Tuticorin (V.O. Chidambaranar Port); West Coast — Mumbai (Jawaharlal Nehru Port Trust/JNPT, Mumbai Port), Kochi, New Mangalore, Mormugao (Goa), Kandla (now Deendayal Port, Kutch — largest by cargo volume overall). JNPT (Navi Mumbai) handles the largest volume of container traffic. Kandla/Deendayal Port (Gujarat) is India's largest port by total cargo volume. Paradip (Odisha) has grown rapidly and handles large iron ore and coal volumes.
*Why A is wrong:* Kochi (Cochin) is on the west coast — not the east coast.
*Why B is wrong:* Chennai Port handles significant cargo but is not consistently the largest east-coast port by all cargo metrics.
*Why C is wrong:* Paradip is a major east-coast port but Vizag historically handles more diversified cargo.
*Why A is wrong:* Kochi (Cochin) is on the west coast — not the east coast.
*Why B is wrong:* Chennai Port handles significant cargo but is not consistently the largest east-coast port by all cargo metrics.
*Why C is wrong:* Paradip is a major east-coast port but Vizag historically handles more diversified cargo.
India Geography — National Parks
Q709MediumBPSC Prelims
Kaziranga National Park (UNESCO World Heritage Site, Assam) is famous for:
ABengal Tiger
BAsiatic Lion
COne-horned Rhinoceros (Indian Rhinoceros)
DAsiatic Elephant
Show Answer
✔ C — One-horned Rhinoceros (Indian Rhinoceros)
Kaziranga National Park in Assam (Golaghat and Nagaon districts), on the south bank of the Brahmaputra River, is home to the world's largest population of the Indian One-Horned Rhinoceros (Rhinoceros unicornis). It protects approximately 2,400+ rhinos (about 70% of the world's one-horned rhino population). UNESCO World Heritage Site (1985). Also home to: tigers, elephants, water buffalo, and Ganges river dolphins. Famous also for the Brahmaputra floods. The park has six ranges. Anti-poaching measures: shoot-at-sight orders against poachers were once in place. Jim Corbett National Park (Uttarakhand) — famous for Bengal Tigers (India's first national park, 1936). Gir National Park (Gujarat) — only habitat of Asiatic Lions.
*Why A is wrong:* Bengal Tiger is found in Jim Corbett, Sundarbans, Ranthambore — Kaziranga has tigers too but is not primarily famous for them.
*Why B is wrong:* Asiatic Lion is found only in Gir National Park (Gujarat) — not Kaziranga.
*Why D is wrong:* Asiatic Elephant is widely distributed — Kaziranga's primary distinction is the One-Horned Rhinoceros.
*Why A is wrong:* Bengal Tiger is found in Jim Corbett, Sundarbans, Ranthambore — Kaziranga has tigers too but is not primarily famous for them.
*Why B is wrong:* Asiatic Lion is found only in Gir National Park (Gujarat) — not Kaziranga.
*Why D is wrong:* Asiatic Elephant is widely distributed — Kaziranga's primary distinction is the One-Horned Rhinoceros.
India Geography — Industries
Q710MediumBPSC Prelims
The "Golden Triangle" of tourism in India refers to:
AMumbai–Goa–Kochi
BDelhi–Agra–Jaipur
CVaranasi–Bodh Gaya–Nalanda
DKolkata–Puri–Bhubaneswar
Show Answer
✔ B — Delhi–Agra–Jaipur
The Golden Triangle is a tourism circuit comprising: (1) Delhi — capital, historical monuments (Red Fort, Qutb Minar, Humayun's Tomb, India Gate); (2) Agra — Taj Mahal, Agra Fort, Fatehpur Sikri; (3) Jaipur — Pink City, Amer Fort, Hawa Mahal, City Palace. This circuit is the most popular tourist route in India and attracts millions of foreign tourists annually. The three cities form roughly an equilateral triangle in northern India. For Buddhist tourism: the Buddhist Circuit — Bodh Gaya (enlightenment, Bihar), Sarnath (first sermon, UP), Kushinagar (Parinirvana, UP), Lumbini (Nepal, birth) — is another important circuit. The Varanasi–Bodh Gaya–Nalanda circuit is the "Buddhist Circuit" in Bihar.
*Why A is wrong:* Mumbai–Goa–Kochi is a western India/coastal tourism route — not called the Golden Triangle.
*Why C is wrong:* Varanasi–Bodh Gaya–Nalanda is the Buddhist Circuit — not the Golden Triangle (though it is a significant Bihar tourism circuit).
*Why D is wrong:* Kolkata–Puri–Bhubaneswar is the Eastern Corridor — not the Golden Triangle.
*Why A is wrong:* Mumbai–Goa–Kochi is a western India/coastal tourism route — not called the Golden Triangle.
*Why C is wrong:* Varanasi–Bodh Gaya–Nalanda is the Buddhist Circuit — not the Golden Triangle (though it is a significant Bihar tourism circuit).
*Why D is wrong:* Kolkata–Puri–Bhubaneswar is the Eastern Corridor — not the Golden Triangle.
India Geography — Ganga River
Q712MediumBPSC Prelims
The Ganga River originates from which glacier?
ASiachen Glacier
BGangotri Glacier (Gomukh, Uttarakhand) at 3,892 m
CPindari Glacier
DMilam Glacier
Show Answer
✔ B — Gangotri Glacier (Gomukh, Uttarakhand) at 3,892 m
The Ganga originates from the Gangotri Glacier at Gomukh (literally "cow's mouth") in Uttarakhand at approximately 3,892 m altitude. The river is called "Bhagirathi" from Gangotri to Devprayag where it merges with the Alaknanda River — after which the combined river is called the Ganga. Key confluences (Panch Prayag): Vishnuprayag (Dhauliganga), Nandaprayag (Nandakini), Karnaprayag (Pindar), Rudraprayag (Mandakini), Devprayag (Alaknanda + Bhagirathi). The Ganga enters the plains at Haridwar. It flows through Uttarakhand, UP (Kanpur, Allahabad/Prayagraj, Varanasi), Bihar (Patna), Jharkhand (briefly), and West Bengal (entering the Sundarbans), covering 2,525 km.
*Why A is wrong:* Siachen Glacier is in Ladakh — it feeds tributaries of the Indus system.
*Why C is wrong:* Pindari Glacier feeds the Pindar River, a tributary of the Alaknanda — not the main Ganga source.
*Why D is wrong:* Milam Glacier feeds the Gori Ganga, a tributary — not the main Ganga source.
*Why A is wrong:* Siachen Glacier is in Ladakh — it feeds tributaries of the Indus system.
*Why C is wrong:* Pindari Glacier feeds the Pindar River, a tributary of the Alaknanda — not the main Ganga source.
*Why D is wrong:* Milam Glacier feeds the Gori Ganga, a tributary — not the main Ganga source.
India Geography — Physical Division
Q713EasyBPSC Prelims
The Indo-Gangetic Plain (Northern Plains) of India is:
AA structural plain formed by the erosion of the Aravallis
BA depositional plain formed by alluvial deposits of the Indus, Ganga, and Brahmaputra river systems
CA plateau surface exposed after volcanic activity
DA coastal plain formed by marine deposition
Show Answer
✔ B — A depositional plain formed by alluvial deposits of the Indus, Ganga, and Brahmaputra river systems
The Indo-Gangetic Plain (also called the Great Plains of India): (1) Formation — a structural foredeep (synclinal trough) between the Himalayas and the Peninsular Plateau, filled with thick alluvial deposits (sometimes 1–2 km deep) brought by the Indus, Ganga, and Brahmaputra river systems over millions of years; (2) Extent — from Sindh (Pakistan) in the west to Assam (India) in the east; approximately 700,000 km² in India; (3) Soil — very fertile alluvial soil (Khadar = new alluvium in flood plains; Bhangar = older alluvium on terraces); (4) Bihar's location — entirely within this plain; (5) This is India's most densely populated region and agricultural heartland.
*Why A is wrong:* Aravallis are an ancient mountain range in Rajasthan — they are not the source of Indo-Gangetic plain formation.
*Why C is wrong:* The Northern Plain is not volcanic — it is an alluvial depositional plain.
*Why D is wrong:* Coastal plains are on the coast — the Indo-Gangetic Plain is an interior plains.
*Why A is wrong:* Aravallis are an ancient mountain range in Rajasthan — they are not the source of Indo-Gangetic plain formation.
*Why C is wrong:* The Northern Plain is not volcanic — it is an alluvial depositional plain.
*Why D is wrong:* Coastal plains are on the coast — the Indo-Gangetic Plain is an interior plains.
India Geography — Western Ghats
Q714MediumBPSC Prelims
The Western Ghats (Sahyadri) are significant because:
AThey form the primary watershed between rivers flowing west into the Arabian Sea and rivers flowing east into the Bay of Bengal
BThey are older than the Himalayas and formed during Gondwana breakup
CThey contain India's most extensive coal deposits
DThey are the northern boundary of the Deccan Plateau
Show Answer
✔ A — They form the primary watershed between rivers flowing west into the Arabian Sea and rivers flowing east into the Bay of Bengal
The Western Ghats (Sahyadri Range) run parallel to the west coast of India for approximately 1,600 km from the Tapti River in the north to Kanyakumari in the south. They are: (1) A major watershed — rainfall in Western Ghats feeds rivers flowing WEST into the Arabian Sea (Periyar, Bharatpuzha, Sharavathi, Zuari, Mandovi, Tapi) and rivers flowing EAST into the Bay of Bengal through the Deccan Plateau (Krishna, Cauvery, Bhima, Godavari); (2) A UNESCO World Heritage Site (biodiversity hotspot); (3) Biodiversity — home to Western Ghats Biodiversity Hotspot, many endemic species; (4) The Ghats create a rain shadow on the leeward (eastern) side — western slopes receive 2000–6000 mm/year, eastern slopes much less.
*Why B is wrong:* While the Western Ghats are ancient (pre-dating Himalayas), they were not formed during Gondwana breakup — the Deccan Traps and later geologic processes shaped them.
*Why C is wrong:* Coal deposits are in Gondwana rock formations (Jharkhand, Odisha, MP) — not in the Western Ghats.
*Why D is wrong:* The northern boundary of the Deccan Plateau is roughly marked by the Satpura-Vindhya range and the Narmada-Tapti Rivers — not the Western Ghats which are on the western edge.
*Why B is wrong:* While the Western Ghats are ancient (pre-dating Himalayas), they were not formed during Gondwana breakup — the Deccan Traps and later geologic processes shaped them.
*Why C is wrong:* Coal deposits are in Gondwana rock formations (Jharkhand, Odisha, MP) — not in the Western Ghats.
*Why D is wrong:* The northern boundary of the Deccan Plateau is roughly marked by the Satpura-Vindhya range and the Narmada-Tapti Rivers — not the Western Ghats which are on the western edge.
India Geography — Drainage Basins
Q715HardBPSC Prelims
The Brahmaputra River, which enters India from China (Tibet) through Arunachal Pradesh, is called "Tsangpo" in Tibet. After entering Assam, it is also known as:
ADihang in Arunachal Pradesh; becomes Brahmaputra in Assam
BLohit in Arunachal Pradesh
CSubansiri in upper Assam
DSiang in Assam
Show Answer
✔ A — Dihang in Arunachal Pradesh; becomes Brahmaputra in Assam
The Brahmaputra River's nomenclature: (1) Tsangpo — in Tibet (China), where it originates near Kailash-Mansarovar; flows east through Tibet; (2) Dihang (Siang) — after cutting through the Himalayas in Arunachal Pradesh, it is called the Dihang/Siang; (3) Brahmaputra — after joining with the Dibang and Lohit rivers in Assam, it takes the name Brahmaputra; (4) Jamuna — in Bangladesh. The Brahmaputra flows for about 2,900 km total — from Tibet through Arunachal Pradesh and Assam (India), then into Bangladesh. It forms one of the world's largest river islands — Majuli Island (Assam) — and the Brahmaputra is known for frequent devastating floods in Assam. It is one of only a few rivers to have a masculine name (Brahmaputra = "Son of Brahma").
*Why B is wrong:* Lohit is one of the three major tributaries that join to form the Brahmaputra in Assam — not the main river's name in Arunachal.
*Why C is wrong:* Subansiri is another tributary of the Brahmaputra — not the main river's name.
*Why D is wrong:* Siang (or Dihang) is an alternative name in Arunachal Pradesh — it becomes "Brahmaputra" in Assam (not "Siang" in Assam).
*Why B is wrong:* Lohit is one of the three major tributaries that join to form the Brahmaputra in Assam — not the main river's name in Arunachal.
*Why C is wrong:* Subansiri is another tributary of the Brahmaputra — not the main river's name.
*Why D is wrong:* Siang (or Dihang) is an alternative name in Arunachal Pradesh — it becomes "Brahmaputra" in Assam (not "Siang" in Assam).
India Geography — Peninsular Rivers
Q716MediumBPSC Prelims
The Godavari River is called:
A"Vridha Ganga" (Old Ganga / Ganges of the South) — longest peninsular river
B"Dakshina Ganga" (Ganga of South) — referring to the Cauvery
C"Sacred River of West India" — referring to the Tapti
D"River of Five Tributaries" — referring to the Krishna
Show Answer
✔ A — "Vridha Ganga" (Old Ganga / Ganges of the South) — longest peninsular river
Major peninsular rivers: (1) Godavari — longest peninsular river (1,465 km); origin: Trimbakeshwar near Nashik (Maharashtra); flows east into Bay of Bengal; called "Vridha Ganga" or "Dakshin Ganga"; drains large parts of Maharashtra, Telangana, Andhra Pradesh; (2) Krishna — second longest peninsular river (1,400 km); origin: Mahabaleshwar (Maharashtra); drains Maharashtra, Karnataka, AP; (3) Cauvery — "Dakshina Ganga" (Ganga of the South); origin: Talakaveri, Coorg (Brahmagiri hills, Karnataka); drains Karnataka, Tamil Nadu; famous Cauvery water dispute; (4) Mahanadi — originates in Chhattisgarh; drains Odisha; (5) Tapti/Tapi — runs east to west like the Narmada; drains Gujarat. Note: "Dakshina Ganga" is used for both Godavari and Cauvery in different traditions — Godavari is more commonly "Vridha Ganga."
*Why B is wrong:* "Dakshina Ganga" refers to the Cauvery (in Tamil tradition) or sometimes Godavari — but the question asks specifically about the Godavari's epithet.
*Why C is wrong:* Tapti/Tapi is a west-flowing river but is not called the "Sacred River of West India."
*Why D is wrong:* "Five tributaries" refers to Punjab's rivers (the five that give Punjab its name) — not the Krishna.
*Why B is wrong:* "Dakshina Ganga" refers to the Cauvery (in Tamil tradition) or sometimes Godavari — but the question asks specifically about the Godavari's epithet.
*Why C is wrong:* Tapti/Tapi is a west-flowing river but is not called the "Sacred River of West India."
*Why D is wrong:* "Five tributaries" refers to Punjab's rivers (the five that give Punjab its name) — not the Krishna.
India Geography — Deserts
Q717EasyBPSC Prelims
India's Thar Desert (also called the "Great Indian Desert") is located in:
AWestern Rajasthan (primarily) extending into parts of Gujarat, Punjab, and Haryana
BLadakh (cold desert)
CDeccan Plateau (peninsular India)
DAndhra Pradesh coastal plain
Show Answer
✔ A — Western Rajasthan (primarily) extending into parts of Gujarat, Punjab, and Haryana
The Thar Desert (Great Indian Desert) is located primarily in western Rajasthan, covering approximately 200,000 km² in India (plus extending into Pakistan's Sindh and Punjab). Key features: (1) India's largest desert; (2) Mainly sandy — sand dunes (barchan, seif, parabolic types); (3) Major cities: Jodhpur, Jaisalmer, Barmer, Bikaner; (4) Climate: extreme temperatures (47°C in summer, near freezing at night in winter); very low rainfall (<25 cm/year); (5) Vegetation: drought-resistant plants — khejri (Prosopis cineraria) = state tree of Rajasthan, cacti, grasses; (6) Canal irrigation: Indira Gandhi Canal (Rajasthan Canal) brings Sutlej and Beas waters to irrigate western Rajasthan. Ladakh has a cold high-altitude desert — different from the Thar (hot desert).
*Why B is wrong:* Ladakh has a cold high-altitude desert (rain shadow behind Himalayas) — the Thar is a hot desert in Rajasthan.
*Why C is wrong:* The Deccan Plateau has dry regions but is not classified as a desert.
*Why D is wrong:* Andhra Pradesh coastal plain receives moderate to high rainfall — it is not a desert.
*Why B is wrong:* Ladakh has a cold high-altitude desert (rain shadow behind Himalayas) — the Thar is a hot desert in Rajasthan.
*Why C is wrong:* The Deccan Plateau has dry regions but is not classified as a desert.
*Why D is wrong:* Andhra Pradesh coastal plain receives moderate to high rainfall — it is not a desert.
India Geography — Coastal Features
Q718MediumBPSC Prelims
The "backwaters" (Kayals) of Kerala are:
AInland rivers that flood seasonally
BA network of interconnected lagoons, lakes, and canals separated from the sea by narrow barrier islands
CCoastal swamps infested with saltwater crocodiles
DOffshore oil drilling platforms
Show Answer
✔ B — A network of interconnected lagoons, lakes, and canals separated from the sea by narrow barrier islands
Kerala's Backwaters (Kayals) are a unique coastal ecosystem: (1) Formation — a 900 km network of interconnected lagoons, lakes, rivers, and canals running parallel to the Arabian Sea coast, separated from the sea by narrow barrier sandbars/spits; (2) Major lakes: Vembanad Lake (longest lake in India), Ashtamudi Lake, Sasthamkotta Lake (Ramsar site); (3) Significance: unique rice cultivation below sea level in Kuttanad ("the rice bowl of Kerala" — cultivation below sea level, unique in Asia); (4) Tourism: houseboat tourism is a major industry; (5) Ecology: mangroves, fish, birds; Ramsar sites. The Alappuzha (Alleppey) and Kumarakom regions are most famous for backwater tourism.
*Why A is wrong:* Backwaters are not simply seasonal flood rivers — they are permanent lagoonal systems.
*Why C is wrong:* While saltwater crocodiles do exist in some Indian coastal areas, the term "backwaters" specifically refers to the lagoonal system, not crocodile swamps.
*Why D is wrong:* Offshore oil platforms are petroleum infrastructure — unrelated to backwaters.
*Why A is wrong:* Backwaters are not simply seasonal flood rivers — they are permanent lagoonal systems.
*Why C is wrong:* While saltwater crocodiles do exist in some Indian coastal areas, the term "backwaters" specifically refers to the lagoonal system, not crocodile swamps.
*Why D is wrong:* Offshore oil platforms are petroleum infrastructure — unrelated to backwaters.
India Geography — Mineral Wealth
Q719MediumBPSC Prelims
The "Chota Nagpur Plateau" is significant for India's economy because:
AIt is the most productive agricultural region
BIt is the richest mineral region of India — iron ore, coal, copper, bauxite, manganese
CIt contains India's largest natural forests
DIt has the highest population density in India
Show Answer
✔ B — It is the richest mineral region of India — iron ore, coal, copper, bauxite, manganese
The Chota Nagpur Plateau (now primarily in Jharkhand — carved out of Bihar in 2000, plus parts of Odisha, WB, and Chhattisgarh): India's richest mineral zone. (1) Coal: Jharia, Bokaro, Dhanbad — Gondwana coal; (2) Iron ore: Singhbhum (Jharkhand) — massive deposits; (3) Copper: Singhbhum (Surda, Mosaboni mines — only significant copper deposits in India); (4) Bauxite: Lohardaga; (5) Manganese: Odisha, Jharkhand; (6) Uranium: Jaduguda (Jharkhand — only significant uranium mine in India); (7) Mica: Giridih (Jharkhand), Koderma — India was once the largest mica producer globally. This mineral wealth led to heavy industrialization: Tata Iron and Steel Company (TISCO, Jamshedpur), Steel Authority of India (SAIL — Bokaro Steel City), MECON, SAIL, etc.
*Why A is wrong:* The Chota Nagpur Plateau is known for minerals and tribal communities — NOT the most productive agriculture (that is the Indo-Gangetic Plain).
*Why C is wrong:* While it has tribal forests, the Chota Nagpur Plateau is primarily famous for mineral wealth — not India's largest natural forests.
*Why D is wrong:* The highest population density is in the Indo-Gangetic Plain (Bihar, UP, Bengal) — not the Plateau.
*Why A is wrong:* The Chota Nagpur Plateau is known for minerals and tribal communities — NOT the most productive agriculture (that is the Indo-Gangetic Plain).
*Why C is wrong:* While it has tribal forests, the Chota Nagpur Plateau is primarily famous for mineral wealth — not India's largest natural forests.
*Why D is wrong:* The highest population density is in the Indo-Gangetic Plain (Bihar, UP, Bengal) — not the Plateau.
India Geography — River Islands
Q722MediumBPSC Prelims
The world's largest river island is:
AMajuli Island (Assam, Brahmaputra)
BSrirangam (Tamil Nadu, Cauvery)
CWheeler Island (Odisha, Bay of Bengal)
DPamban Island (Tamil Nadu)
Show Answer
✔ A — Majuli Island (Assam, Brahmaputra)
Majuli (Majoli) Island in the Brahmaputra River (Assam) is the world's largest river island, with an area of approximately 421 km² (reduced from ~880 km² in 1891 due to erosion — the island is shrinking rapidly). It became India's first island district in 2016 (Majuli district, Assam). Majuli is famous for its Vaishnavite monasteries (Satras), which are centers of Assamese culture and the Neo-Vaishnavite movement started by Srimanta Shankardev (15th–16th century). The island is threatened by Brahmaputra floods and erosion. Srirangam (Ranganathaswamy Temple) on the Cauvery island at Tiruchirappalli is significant as a Hindu pilgrimage site but is smaller.
*Why B is wrong:* Srirangam is a large river island in the Cauvery but is not the world's largest.
*Why C is wrong:* Wheeler Island (APJ Abdul Kalam Island) in the Bay of Bengal is a coastal island — used as a missile testing facility; not the world's largest river island.
*Why D is wrong:* Pamban Island is separated from the mainland by Pamban Channel — a sea island, not a river island.
*Why B is wrong:* Srirangam is a large river island in the Cauvery but is not the world's largest.
*Why C is wrong:* Wheeler Island (APJ Abdul Kalam Island) in the Bay of Bengal is a coastal island — used as a missile testing facility; not the world's largest river island.
*Why D is wrong:* Pamban Island is separated from the mainland by Pamban Channel — a sea island, not a river island.
India Geography — Wetlands
Q723MediumBPSC Prelims
Chilika Lake (Odisha) is significant because:
AIt is India's highest altitude wetland
BIt is Asia's largest coastal lagoon/brackish water lake and a Ramsar Wetland Site
CIt is the source of the Mahanadi River
DIt is the only habitat of the Saltwater Crocodile in India
Show Answer
✔ B — It is Asia's largest coastal lagoon/brackish water lake and a Ramsar Wetland Site
Chilika Lake: (1) Location — Odisha (Puri, Khurda, Ganjam districts); (2) Size — approximately 1,100 km² (largest in India, Asia's largest coastal lagoon); (3) Type — brackish water (mix of fresh and salt water), a coastal lagoon; (4) Ramsar Wetland Site — 1981 (India's first Ramsar site); (5) Biodiversity — migratory birds (flamingos, pelicans, Irrawaddy dolphins, fish, prawns); (6) Fishing community — supports over 200,000 fishermen; (7) Nalbana Island (Chilika) — bird sanctuary; (8) Irrawaddy Dolphins — Chilika Lake has one of the only known populations of Irrawaddy dolphins outside Myanmar and Bangladesh. The Nalabana Bird Sanctuary within Chilika Lake is a Wildlife Sanctuary.
*Why A is wrong:* India's highest altitude wetland is Roopkund Lake (Uttarakhand) or Tsongmo Lake (Sikkim) — not Chilika.
*Why C is wrong:* The Mahanadi originates in Chhattisgarh (Sihawa mountain range) — not from Chilika Lake.
*Why D is wrong:* Saltwater Crocodile is found in the Andaman & Nicobar Islands and the Bhitarkanika area (Odisha) — not specifically the Chilika lagoon.
*Why A is wrong:* India's highest altitude wetland is Roopkund Lake (Uttarakhand) or Tsongmo Lake (Sikkim) — not Chilika.
*Why C is wrong:* The Mahanadi originates in Chhattisgarh (Sihawa mountain range) — not from Chilika Lake.
*Why D is wrong:* Saltwater Crocodile is found in the Andaman & Nicobar Islands and the Bhitarkanika area (Odisha) — not specifically the Chilika lagoon.
India Geography — National Symbols
Q724EasyBPSC Prelims
India's national river is:
AYamuna
BBrahmaputra
CGanga (Ganges)
DGodavari
Show Answer
✔ C — Ganga (Ganges)
India's National Symbols: (1) National River: Ganga (Ganges) — declared as such due to its cultural, religious, and ecological importance; (2) National Animal: Bengal Tiger; (3) National Bird: Indian Peacock; (4) National Flower: Lotus; (5) National Tree: Banyan; (6) National Fruit: Mango; (7) National Aquatic Animal: Ganges River Dolphin (Platanista gangetica — also found in Brahmaputra); (8) National Reptile: King Cobra; (9) National Emblem: Lion Capital of Ashoka (Sarnath). The Ganga was declared the National River to give it special status under the National Ganga River Basin Authority (2009, later Namami Gange programme under PM Modi). The Gangetic Dolphin is particularly found in Bihar's rivers.
*Why A is wrong:* The Yamuna is a major tributary of the Ganga — but it is not the National River.
*Why B is wrong:* The Brahmaputra is a major river but is not the National River.
*Why D is wrong:* Godavari is the longest peninsular river — not the National River.
*Why A is wrong:* The Yamuna is a major tributary of the Ganga — but it is not the National River.
*Why B is wrong:* The Brahmaputra is a major river but is not the National River.
*Why D is wrong:* Godavari is the longest peninsular river — not the National River.
India Geography — States
Q725MediumBPSC Prelims
Which Indian state has the longest coastline?
AMaharashtra
BGujarat
CTamil Nadu
DAndhra Pradesh
Show Answer
✔ B — Gujarat
Gujarat has India's longest coastline — approximately 1,600 km (including the Kathiawar Peninsula, Gulf of Kutch, and Gulf of Khambhat). This is due to Gujarat's irregular coastline with two major gulfs (Kutch and Khambhat/Cambay) and the Kathiawar (Saurashtra) Peninsula. India's total coastline: approximately 7,517 km (mainland) + 2,094 km (islands, primarily Andaman & Nicobar and Lakshadweep). States with significant coastlines (approximate): Gujarat ~1,600 km, Andhra Pradesh ~975 km, Tamil Nadu ~1,076 km, Maharashtra ~720 km, Kerala ~580 km, Karnataka ~320 km, Odisha ~480 km, West Bengal ~210 km, Goa ~101 km.
*Why A is wrong:* Maharashtra's coastline (~720 km) is shorter than Gujarat's.
*Why C is wrong:* Tamil Nadu's coastline (~1,076 km) is significant but shorter than Gujarat's ~1,600 km.
*Why D is wrong:* Andhra Pradesh's coastline (~975 km) is shorter than Gujarat's.
*Why A is wrong:* Maharashtra's coastline (~720 km) is shorter than Gujarat's.
*Why C is wrong:* Tamil Nadu's coastline (~1,076 km) is significant but shorter than Gujarat's ~1,600 km.
*Why D is wrong:* Andhra Pradesh's coastline (~975 km) is shorter than Gujarat's.
India Geography — Biosphere Reserves
Q726HardBPSC Prelims
The "Nilgiri Biosphere Reserve" is India's first biosphere reserve (1986). The term "biosphere reserve" means:
AA military-protected wildlife sanctuary
BA designated area under the UNESCO Man and Biosphere Programme, with core, buffer, and transition zones, integrating conservation and sustainable development
CA national park with large predator populations
DA UN-designated tiger conservation area
Show Answer
✔ B — A designated area under the UNESCO Man and Biosphere Programme, with core, buffer, and transition zones, integrating conservation and sustainable development
Biosphere Reserves are UNESCO-designated areas under the "Man and the Biosphere" (MAB) Programme (launched 1971). Structure: (1) Core Zone — strictly protected, minimal human activity, research only; (2) Buffer Zone — limited human activities around the core; (3) Transition Zone (Cooperation Zone) — human settlement and sustainable use. India's Biosphere Reserves: 18 biosphere reserves, of which 12 are recognized under UNESCO's World Network of Biosphere Reserves. India's first: Nilgiri Biosphere Reserve (1986, Western Ghats — Tamil Nadu, Kerala, Karnataka). Others: Gulf of Mannar (TN), Sundarbans (WB), Nanda Devi (Uttarakhand), Nokrek (Meghalaya), Pachmarhi (MP), Simlipal (Odisha), Dehong-Debang (Arunachal), etc.
*Why A is wrong:* Biosphere reserves are not military-protected — they are UNESCO-designated areas for conservation and sustainable use.
*Why C is wrong:* A national park is a different designation — biosphere reserves have a specific 3-zone structure and human integration.
*Why D is wrong:* Tiger reserves are designated under Project Tiger (National Tiger Conservation Authority) — different from biosphere reserves.
*Why A is wrong:* Biosphere reserves are not military-protected — they are UNESCO-designated areas for conservation and sustainable use.
*Why C is wrong:* A national park is a different designation — biosphere reserves have a specific 3-zone structure and human integration.
*Why D is wrong:* Tiger reserves are designated under Project Tiger (National Tiger Conservation Authority) — different from biosphere reserves.
India Geography — Iron Ore
Q727MediumBPSC Prelims
India's largest iron ore producer by state is:
ABihar
BOdisha
CJharkhand
DKarnataka
Show Answer
✔ B — Odisha
Iron ore production in India: (1) Odisha — consistently India's largest iron ore producing state (~50% of national production); key mines: Noamundi, Barajamda, Keonjhar and Sundergarh districts; (2) Chhattisgarh — Bailadila deposits (Asia's largest iron ore deposits in Dantewada district); (3) Jharkhand — Singhbhum (Noamundi — some in Jharkhand); (4) Karnataka — Bellary-Hospet area (Kudremukh — now production restricted); (5) Goa — laterite iron ore (export-oriented, though production was stopped due to environmental concerns). India is the 4th largest iron ore producer globally. The Singhbhum (Jharkhand) and Keonjhar (Odisha) iron ore belt is the most productive zone.
*Why A is wrong:* Bihar (post-Jharkhand separation) does not have significant iron ore deposits — iron ore is in Jharkhand (which was part of Bihar until 2000).
*Why C is wrong:* Jharkhand is important for iron ore but Odisha produces more.
*Why D is wrong:* Karnataka produces significant iron ore (Bellary/Hospet-Sandur) but is third after Odisha and Chhattisgarh.
*Why A is wrong:* Bihar (post-Jharkhand separation) does not have significant iron ore deposits — iron ore is in Jharkhand (which was part of Bihar until 2000).
*Why C is wrong:* Jharkhand is important for iron ore but Odisha produces more.
*Why D is wrong:* Karnataka produces significant iron ore (Bellary/Hospet-Sandur) but is third after Odisha and Chhattisgarh.
India Geography — Economy
Q728EasyBPSC Prelims
India's first Five Year Plan was implemented during:
A1947–1952
B1951–1956
C1956–1961
D1961–1966
Show Answer
✔ B — 1951–1956
India's Five Year Plans under the Planning Commission (created February 1950): (1) First FYP (1951–56) — focus on agriculture, food security, following partition; Nehru PM; targeted 2.1% growth, achieved 3.6%; priority: Damodar Valley Corporation (DVC), Bhakra Nangal Dam; (2) Second FYP (1956–61) — Mahalanobis Model; heavy industry priority; Bhilai, Durgapur, Rourkela steel plants; (3) Third FYP (1961–66) — agriculture and defense; Indo-China War (1962), Indo-Pak War (1965) disrupted it; (4) "Plan Holidays" (1966–69) — three annual plans; (5) Fourth FYP (1969–74) — Garibi Hatao; (6) Twelfth FYP (2012–17) — last; Planning Commission abolished in 2014, replaced by NITI Aayog.
*Why A is wrong:* 1947–1952 was the post-independence reconstruction period — the First Five Year Plan began in 1951.
*Why C is wrong:* 1956–61 was the Second Five Year Plan (Mahalanobis Model, heavy industry).
*Why D is wrong:* 1961–66 was the Third Five Year Plan — disrupted by wars.
*Why A is wrong:* 1947–1952 was the post-independence reconstruction period — the First Five Year Plan began in 1951.
*Why C is wrong:* 1956–61 was the Second Five Year Plan (Mahalanobis Model, heavy industry).
*Why D is wrong:* 1961–66 was the Third Five Year Plan — disrupted by wars.
India Geography — Union Territories
Q729MediumBPSC Prelims
The most recently created Union Territory of India is:
ADadra and Nagar Haveli
BPuducherry
CLadakh (2019)
DDaman and Diu
Show Answer
✔ C — Ladakh (2019)
Ladakh became a Union Territory (without legislature) on October 31, 2019, when the Jammu & Kashmir Reorganisation Act 2019 bifurcated the former state of Jammu & Kashmir into: (1) Union Territory of Jammu & Kashmir (with legislature) and (2) Union Territory of Ladakh (without legislature). This was the most recent restructuring of India's political map. Before this: (1) Dadra and Nagar Haveli and Daman and Diu were merged into a single UT in 2020 — technically a newer change; (2) But Ladakh's creation (2019) was the most significant new UT. India currently has 28 States and 8 Union Territories (after the D&NH + D&D merger in 2020).
*Why A is wrong:* Dadra and Nagar Haveli was an older UT (1961) — though merged with Daman & Diu in 2020.
*Why B is wrong:* Puducherry has been a UT since 1954/1962 — not recently created.
*Why D is wrong:* Daman and Diu (merged with Dadra & Nagar Haveli in 2020) — though this was also recent, Ladakh's creation as a new UT in 2019 is more specifically the "most recently created" new UT.
*Why A is wrong:* Dadra and Nagar Haveli was an older UT (1961) — though merged with Daman & Diu in 2020.
*Why B is wrong:* Puducherry has been a UT since 1954/1962 — not recently created.
*Why D is wrong:* Daman and Diu (merged with Dadra & Nagar Haveli in 2020) — though this was also recent, Ladakh's creation as a new UT in 2019 is more specifically the "most recently created" new UT.
India Geography — Agricultural Regions
Q730EasyBPSC Prelims
Bihar is particularly known for the cultivation of:
ATea and Coffee
BRice, wheat, maize, sugarcane, and lychee (Muzaffarpur Litchi)
CJute (primary producer)
DRubber and Coconut
Show Answer
✔ B — Rice, wheat, maize, sugarcane, and lychee (Muzaffarpur Litchi)
Bihar's major agricultural products: (1) Rice — grown in the Kosi plains, North Bihar; (2) Wheat — grown in Patna, Gaya, Bhojpur, Rohtas districts; (3) Maize — Bihar is one of India's leading maize producers; (4) Sugarcane — North Bihar (East Champaran, West Champaran, Darbhanga, Sitamarhi); (5) Lychee (Litchi) — Muzaffarpur is the "Litchi Capital of India" (~40% of India's production, GI tag); (6) Makhana (Fox Nuts/Lotus Seeds) — Darbhanga, Madhubani (GI tag 2022), Bihar produces 90% of India's makhana; (7) Vegetables and Mango. Bihar is increasingly important for maize production. Tea and coffee are south/northeast India crops. Jute is produced mainly in West Bengal. Rubber is from Kerala.
*Why A is wrong:* Tea (Assam, Darjeeling) and coffee (Karnataka, Tamil Nadu, Kerala) are not Bihar's crops.
*Why C is wrong:* West Bengal is India's largest jute producer — Bihar produces some but is not the primary producer.
*Why D is wrong:* Rubber (Kerala) and coconut (Kerala, Tamil Nadu, Karnataka) are southern crops — not Bihar's primary products.
*Why A is wrong:* Tea (Assam, Darjeeling) and coffee (Karnataka, Tamil Nadu, Kerala) are not Bihar's crops.
*Why C is wrong:* West Bengal is India's largest jute producer — Bihar produces some but is not the primary producer.
*Why D is wrong:* Rubber (Kerala) and coconut (Kerala, Tamil Nadu, Karnataka) are southern crops — not Bihar's primary products.