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Q23 (IAS/2025) Geography › Maps & Locations › Geographical lines and coordinates Answer Verified

Consider the following water bodies : I. Lake Tanganyika II. Lake Tonlé Sap III. Patos Lagoon Through how many of them does the equator pass?

Result
Your answer: —  ·  Correct: D
Explanation

The correct answer is option D - None of these water bodies is crossed by the equator.

Lake Tanganyika is located in East Africa[1], situated in the western Rift Valley region between approximately 3°S to 9°S latitude, well south of the equator. Lake Tonlé Sap is the largest permanent freshwater lake in Southeast Asia,[3] located in Cambodia[2], which lies entirely in the Northern Hemisphere between roughly 10°N to 15°N latitude. Patos Lagoon is definitely not on the equator[4] - it is located in southern Brazil (around 30°S to 32°S latitude), far south of the equator near the city of Porto Alegre.

The equator (0° latitude) passes through only a few African lakes like Lake Victoria, but none of the three water bodies mentioned in this question are located on or near the equatorial line. Therefore, the equator passes through none of them.

Sources
  1. [1] https://portals.iucn.org/library/sites/library/files/documents/WCMC-008.pdf
  2. [2] https://iucn.org/sites/default/files/import/downloads/indo_burma_report_complete_low_res_28_aug_1.pdf
  3. [3] https://iucn.org/sites/default/files/import/downloads/indo_burma_report_complete_low_res_28_aug_1.pdf
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PROVENANCE & STUDY PATTERN
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Don’t just practise – reverse-engineer the question. This panel shows where this PYQ came from (books / web), how the examiner broke it into hidden statements, and which nearby micro-concepts you were supposed to learn from it. Treat it like an autopsy of the question: what might have triggered it, which exact lines in the book matter, and what linked ideas you should carry forward to future questions.
Q. Consider the following water bodies : I. Lake Tanganyika II. Lake Tonlé Sap III. Patos Lagoon Through how many of them does the equat…
At a glance
Origin: Mostly Current Affairs Fairness: Low / Borderline fairness Books / CA: 0/10 · 3.3/10

This is a classic 'Line Tracing' map question. While Patos Lagoon seems obscure, the question is solvable by knowing the standard locations of Tanganyika (South of Equator) and Tonlé Sap (Cambodia = North). The strategy is not to memorize every lagoon, but to master the 'Equatorial Belt' and eliminate options based on macro-regions.

How this question is built

This question can be broken into the following sub-statements. Tap a statement sentence to jump into its detailed analysis.

Statement 1
Does the Earth's equator pass through Lake Tanganyika in Africa?
Origin: Weak / unclear Fairness: Borderline / guessy
Indirect textbook clues
Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 9: Divergent Boundary > Rift Valley Lakes > p. 128
Strength: 5/5
“• If the rift valleys, which are a result of subsidence related to movement on faults within a rift zone, are formed deeper within the continents, rainwaters accumulate forming rift lakes. Rift lakes are bound by large steep cliffs along the fault margins. The largest and the deepest freshwater lakes on earth are mostly rift lakes.• Lake Baikal in Siberia lies in an active rift valley. It is the deepest lake in the world (the deepest point is 1642 meters below the surface). It is also the largest freshwater lake in the world by volume, containing roughly 20% of the world's unfrozen surface freshwater.• Lake Tanganyika, the second largest freshwater lake by volume, is in the Albertine Rift, the westernmost arm of the active East African Rift.”
Why relevant

Identifies Lake Tanganyika as being in the Albertine Rift, the western arm of the East African Rift, locating the lake within a specific African rift region.

How to extend

A student can take this regional location and check a map of Africa to see whether the Equator (0° latitude) crosses that rift segment or the countries bordering the lake.

Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 9: Lakes > LAKES FORMED BY EARTH MOVEMENT > p. 81
Strength: 4/5
“Water collects in these troughs and their floors are often below sea-level. The best known example is the East African Rift Valley which runs through Zambia, Malawi, Tanzania, Kenya and Ethiopia, and extends along the Red Sea to Israel and Jordan over a total distance of 4800 km (3000 miles)”
Why relevant

Describes the East African Rift's course through specific countries including Tanzania, Malawi and Zambia—countries associated with East African rift lakes.

How to extend

Using this list of countries, a student can consult a world map or lat/long data to determine whether the Equator passes through the particular country or part of the rift where Lake Tanganyika lies.

Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
Strength: 5/5
“Such a line is called a parallel of latitude and it draws a circle around the Earth. Again, it is easy to note on the globe that the largest circle is the Equator, while the circles marked by the parallels of latitude grow smaller as we move northward or southward (Fig. 1.3). Latitudes are expressed in degrees; by convention, the Equator is latitude 0° (zero degree), while the latitudes of the two poles are 90° North and 90° South respectively; this is noted 90°N and 90°S. There is a connection between latitude and climate. Around the Equator, the climate is generally hot (it is also called 'torrid').”
Why relevant

Defines the Equator as the latitude 0° and explains parallels of latitude encircle the Earth, providing the basic concept needed to test if a place lies on the Equator.

How to extend

Combine this definition with the lake's geographic location (from the rift/country clues) and a map or coordinates to check if the lake's latitude is 0°.

Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
Strength: 4/5
“West, parallel to the equator, are called lines of latitude. The other set runs north and south passing through the poles and are called lines of longitude (Fig. 1.16). The intersection of latitude and longitude pin-points any place on the Earth's surface (Fig. 1.17). For example, Kuala Lumpur is 3° L0' N and 101° 40' E; London is 51° 30'N and 0° 5'W, and Sydney is 33° 55' S and 151° 12' E.”
Why relevant

Explains that intersection of latitude and longitude pinpoints any place on Earth and gives examples of coordinates, showing how to precisely locate places by latitude.

How to extend

A student could use this method to look up or read off the latitude coordinate for Lake Tanganyika to see if it equals 0°.

Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 18: Latitudes and Longitudes > The Shape of The Earth and Latitudinal Heat Zones > p. 241
Strength: 3/5
“• The earth's shape is Geoid (some sources mention it as an oblate spheroid). That is, the earth is slightly flattened at the poles and bulged at the equatorial region. The radius at the equator is larger than at the poles due to the long-term effects of the earth's rotation (the speed of rotation, and hence the centrifugal force, is greater at the equator than at the poles. This caused the bulge at the Equator). • The gravitation force is not the same at different latitudes on the surface. It is greater near the poles and less at the equator.”
Why relevant

Clarifies the Equator as the region of maximum bulge and references latitudinal concepts, reinforcing the centrality of latitude in identifying equatorial locations.

How to extend

Use this latitudinal framework together with the lake's regional placement to assess whether Lake Tanganyika sits at or near the 0° latitude line on a map.

Statement 2
Does the Earth's equator pass through Lake Tonlé Sap in Cambodia?
Origin: Weak / unclear Fairness: Borderline / guessy
Indirect textbook clues
Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
Strength: 5/5
“Such a line is called a parallel of latitude and it draws a circle around the Earth. Again, it is easy to note on the globe that the largest circle is the Equator, while the circles marked by the parallels of latitude grow smaller as we move northward or southward (Fig. 1.3). Latitudes are expressed in degrees; by convention, the Equator is latitude 0° (zero degree), while the latitudes of the two poles are 90° North and 90° South respectively; this is noted 90°N and 90°S. There is a connection between latitude and climate. Around the Equator, the climate is generally hot (it is also called 'torrid').”
Why relevant

Defines the Equator as latitude 0° and explains that latitudes locate places north or south of it.

How to extend

A student could look up the latitude of Tonlé Sap (or Cambodia) on a map and check whether it is 0°.

Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
Strength: 4/5
“West, parallel to the equator, are called lines of latitude. The other set runs north and south passing through the poles and are called lines of longitude (Fig. 1.16). The intersection of latitude and longitude pin-points any place on the Earth's surface (Fig. 1.17). For example, Kuala Lumpur is 3° L0' N and 101° 40' E; London is 51° 30'N and 0° 5'W, and Sydney is 33° 55' S and 151° 12' E.”
Why relevant

Gives concrete examples of place coordinates (Kuala Lumpur 3°10' N), showing how specific latitudes are cited to show distance from the Equator.

How to extend

Use the same method to find Tonlé Sap’s coordinates and compare its latitude to 0°.

Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 9: Lakes > Lakes and Man > p. 86
Strength: 4/5
“8. Source of food. Many large lakes have important supplies of protein food in the form of freshwater fish. Sturgeon is commercially caught in the Caspian Sea, salmon and sea trout in the Great Lakes and in Tonle Sap in Kampuchea, fishing is a leading occupation. Amateur fishermen have found fishing in lakes and rivers a most rewarding pastime. In many countries, artificial lakes have been created for inland fish breeding. This is particularly important in China, Japan and Singapore. 9. Source of minerals. Salt lakes provide valuable rock salts. In the Dead Sea, the highly saline water is being evaporated and produces common salt, almost indispensable for human well-being.”
Why relevant

Identifies Tonlé Sap as a lake in Kampuchea (Cambodia), confirming the geographic subject of the statement.

How to extend

Combine this location with a map or coordinate lookup for Cambodia to assess proximity to the Equator.

Exploring Society:India and Beyond ,Social Science-Class VII . NCERT(Revised ed 2025) > Chapter 3: Climates of India > a) Latitude > p. 49
Strength: 3/5
“In the At the equator exposure to the sun's rays is concentrated, but near the poles it is dispersed over a wide area Fig. 3.4 polar regions, the rays are inclined or oblique, and the energy is distributed over a larger surface. Moreover, they have to pass through more of the Earth's atmosphere, as the diagram shows, which further dissipates their energy. As a result, the polar regions receive less heat than the equatorial zone. We can see this in India too: Kanniyakumari and the Nicobar Islands being close to the Equator are warm or hot almost throughout the year, whereas places in the north, such as Srinagar, are much cooler.”
Why relevant

Explains climatic differences near the Equator (e.g., places close to the Equator like Nicobar and Kanyakumari are warm), implying recognizable tropical belts.

How to extend

A student could judge whether Tonlé Sap’s climate/position corresponds to equatorial latitudes or lies noticeably north/south of them.

Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 23: Pressure Systems and Wind System > Causes of The Coriolis Effect > p. 308
Strength: 2/5
“• As the earth spins in a counter-clockwise direction on its axis any object flying over a long distance appears to be deflected. This occurs because as something moves freely above the earth's surface, the earth is moving east under the object at a faster speed. As the object moves away from the equator the speed of the earth's rotation decreases and the Coriolis effect (deflection) increases.• A plane flying along the equator itself would be able to continue flying on the equator without any apparent deflection. A little to the north or south of the equator, the plane would be deflected.• The myth about the Coriolis Effect: One of the biggest misconceptions associated with the Coriolis effect is that it causes water rotation down the drain of a sink or toilet.”
Why relevant

States that phenomena like the Coriolis effect vary at the Equator (plane could fly on the equator without deflection), indicating the Equator is a distinct, identifiable latitude.

How to extend

Use the Equator’s unique physical effects as a conceptual check: if Tonlé Sap were on the Equator it would lie at latitude 0°—so verify its coordinates.

Statement 3
Does the Earth's equator pass through Patos Lagoon (Lagoa dos Patos) in Brazil?
Origin: Web / Current Affairs Fairness: CA heavy Web-answerable

Web source
Presence: 4/5
"lagos del patos is definately not on equator ( equator passes via ...Read more"
Why this source?
  • The passage explicitly addresses whether Lagoa dos Patos (referred to as 'lagos del patos') lies on the equator.
  • It states directly that Lagoa dos Patos is not on the equator, which answers the question.

Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
Strength: 5/5
“West, parallel to the equator, are called lines of latitude. The other set runs north and south passing through the poles and are called lines of longitude (Fig. 1.16). The intersection of latitude and longitude pin-points any place on the Earth's surface (Fig. 1.17). For example, Kuala Lumpur is 3° L0' N and 101° 40' E; London is 51° 30'N and 0° 5'W, and Sydney is 33° 55' S and 151° 12' E.”
Why relevant

Defines the equator as the parallel of latitude 0° and explains latitudes/longitudes pinpoint places on the globe.

How to extend

A student could look up the latitude of Lagoa dos Patos (or read it off a world map) and compare it to 0° to test the statement.

Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
Strength: 4/5
“Such a line is called a parallel of latitude and it draws a circle around the Earth. Again, it is easy to note on the globe that the largest circle is the Equator, while the circles marked by the parallels of latitude grow smaller as we move northward or southward (Fig. 1.3). Latitudes are expressed in degrees; by convention, the Equator is latitude 0° (zero degree), while the latitudes of the two poles are 90° North and 90° South respectively; this is noted 90°N and 90°S. There is a connection between latitude and climate. Around the Equator, the climate is generally hot (it is also called 'torrid').”
Why relevant

Explains that the Equator is 0° latitude and that parallels shrink away from it, giving a clear conceptual rule for locating equatorial positions.

How to extend

Use this rule plus a standard map or gazetteer to determine whether Lagoa dos Patos lies on the 0° parallel.

Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 12: The Oceans > The Circulation of the Atlantic Ocean > p. 110
Strength: 3/5
“Let us now study more closely the circulation of ocean currents in the Atlantic Ocean. We shall begin with the North and South Equatorial Current at the Equator. The steady Trade Winds constantly drift two streams of water from east to west. At the 'shoulder' of north-east Brazil, the protruding land mass splits the South Equatorial Current into the Cayenne Current which flows along the Guiana coast, and the Brazilian Current which flows southwards along the east coast of Brazil. In the North Atlantic Ocean, the Cayenne Current is joined and reinforced by the North Equatorial Current and heads north-westwards as a large mass of equatorial water into the Caribbean Sea.”
Why relevant

Describes the South Equatorial Current and its interaction with the 'shoulder' of north‑east Brazil, indicating where equatorial oceanic features meet the Brazilian coast.

How to extend

Combine this oceanic/coastal description with a map of Brazil to infer the equator's general passage relative to Brazil's northern/southern coastal features and thus whether a southern lagoon like Lagoa dos Patos is likely on the equator.

Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 32: Ocean Movements Ocean Currents And Tides > Brazil Current – Warm > p. 493
Strength: 3/5
“• In the South Atlantic Ocean, the south equatorial current, flowing from east to west, splits into two branches near Cape de Sao Roque (Brazil).• The northern branch joins the north equatorial current, whereas the southern branch turns southward and flows along the South American coast as the warm Brazil current.”
Why relevant

Notes the south equatorial current bifurcates near Cape de Sao Roque (Brazil), giving a named Brazilian coastal reference point associated with the equatorial current system.

How to extend

Locate Cape de Sao Roque on a map, compare its latitude to the equator, and then compare Lagoa dos Patos' latitude to assess if the equator passes through the lagoon.

Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 5: Earths Magnetic Field (Geomagnetic Field) > UPSC Prelims 2005] Consider the following statements: > p. 77
Strength: 2/5
“[UPSC Prelims 2005] Consider the following statements: • 1. The Axis of the earth's magnetic field is inclined at 23 and half to the geographic axis of the earth.• 2. The earth's magnetic pole in the Northern Hemisphere is located on a Peninsula in Northern Canada.• 3. The earth's magnetic equator passes through Thumba in South India.”
Why relevant

Distinguishes geomagnetic features (magnetic equator) from geographic ones by giving an example where the magnetic equator passes through a specific location (Thumba), highlighting that different 'equators' exist.

How to extend

Use this cautionary example to ensure one is checking the geographic (latitude 0°) equator on maps/coordinates, not a magnetic equator, when judging whether it passes through Lagoa dos Patos.

Pattern takeaway: UPSC loves 'Negative Space' mapping—asking what does NOT lie on a line. They mix 2 famous features with 1 obscure one (Patos) to test your confidence in the famous ones.
How you should have studied
  1. [THE VERDICT]: Moderate. Options I and II are standard static geography (NCERT/GC Leong); Option III is the 'Bouncer' meant to induce panic, but irrelevant if you trust your basics on I and II.
  2. [THE CONCEPTUAL TRIGGER]: World Mapping > Major Water Bodies > Intersection with Major Latitudes (Equator, Tropics).
  3. [THE HORIZONTAL EXPANSION]: Memorize the 'Equator Check' for major water bodies: Lake Victoria (Cuts through), Lake Tanganyika (South), Lake Turkana (North), Amazon Mouth (Cuts through), Congo River (Cuts through twice), Lake Toba (North).
  4. [THE STRATEGIC METACOGNITION]: Do not memorize lists of lakes in isolation. Always visualize them relative to the 0°, 23.5°N, and 23.5°S lines. If a lake is in a 'Monsoon' country (like Cambodia), it cannot be on the Equator (which is Equatorial climate).
Concept hooks from this question
📌 Adjacent topic to master
S1
👉 Equator and parallels of latitude
💡 The insight

The Equator is the parallel at latitude 0° and is the reference for deciding whether any place lies on the equator.

High-yield: many geography questions ask which features or countries lie on specific latitudes; mastering the concept lets you use latitude values to accept or eliminate options. It connects directly to climate zones, mapping, and positional questions on the globe.

📚 Reading List :
  • Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
  • Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
🔗 Anchor: "Does the Earth's equator pass through Lake Tanganyika in Africa?"
📌 Adjacent topic to master
S1
👉 Rift valley lakes and the East African Rift
💡 The insight

Lake Tanganyika is a rift lake located in the Albertine Rift, the western arm of the East African Rift system.

High-yield: questions often link tectonic settings with regional physical features (lakes, mountains). Knowing the distribution of rift lakes helps place them by region and infer likely latitudinal position or country list, aiding elimination in map/location questions.

📚 Reading List :
  • Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 9: Divergent Boundary > Rift Valley Lakes > p. 128
  • Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 9: Lakes > LAKES FORMED BY EARTH MOVEMENT > p. 81
🔗 Anchor: "Does the Earth's equator pass through Lake Tanganyika in Africa?"
📌 Adjacent topic to master
S1
👉 Mathematical location (latitude & longitude) for pinpointing places
💡 The insight

Any definitive statement about whether the Equator passes through a feature requires knowing that feature's latitudinal coordinates.

High-yield: UPSC frequently tests ability to use coordinates to identify locations, distances, and relative positions; mastering this enables precise answers about whether features lie on the Equator or within specific hemispheres.

📚 Reading List :
  • Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
  • Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 18: Latitudes and Longitudes > The Shape of The Earth and Latitudinal Heat Zones > p. 241
🔗 Anchor: "Does the Earth's equator pass through Lake Tanganyika in Africa?"
📌 Adjacent topic to master
S2
👉 Equator as 0° latitude
💡 The insight

Knowing that the Equator is defined as latitude 0° is the primary test to determine if any feature lies on the Equator.

High-yield: UPSC often asks which places lie on the Equator or their latitudes; mastering this lets you quickly accept or reject claims about a place being equatorial. It directly links to map reading and coordinate-based elimination strategies.

📚 Reading List :
  • Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
🔗 Anchor: "Does the Earth's equator pass through Lake Tonlé Sap in Cambodia?"
📌 Adjacent topic to master
S2
👉 Latitude and longitude for pinpointing locations
💡 The insight

Precise lat-long coordinates are the method to locate lakes, cities and tell whether they intersect the Equator.

Essential for map-based prelims and mains questions; connects physical geography with cartography and spatial reasoning. Competence here helps answer location, distance and relative position questions reliably.

📚 Reading List :
  • Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
  • Physical Geography by PMF IAS, Manjunath Thamminidi, PMF IAS (1st ed.) > Chapter 18: Latitudes and Longitudes > The Shape of The Earth and Latitudinal Heat Zones > p. 241
🔗 Anchor: "Does the Earth's equator pass through Lake Tonlé Sap in Cambodia?"
📌 Adjacent topic to master
S2
👉 Latitude and climate zonation
💡 The insight

Latitude controls climatic zones (equatorial/torrid vs polar), so climate clues can support or contradict a claim that a place lies on the Equator.

Useful for indirect elimination when coordinates are unavailable; links geography to climate and human-environment topics frequently tested in UPSC. Recognizing typical equatorial climates helps evaluate location-based assertions.

📚 Reading List :
  • Exploring Society:India and Beyond ,Social Science-Class VII . NCERT(Revised ed 2025) > Chapter 3: Climates of India > a) Latitude > p. 49
  • Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
🔗 Anchor: "Does the Earth's equator pass through Lake Tonlé Sap in Cambodia?"
📌 Adjacent topic to master
S3
👉 Latitude and the Equator (0° latitude)
💡 The insight

The Equator is the fundamental parallel at 0° used to decide whether any place lies on the equatorial line.

High-yield for locating places: mastering latitude enables quick judgement if a place can lie on the Equator or in a particular latitudinal zone. It connects to climate, day-length and geographic positioning questions and helps eliminate impossible latitude-based options in map/location questions.

📚 Reading List :
  • Certificate Physical and Human Geography , GC Leong (Oxford University press 3rd ed.) > Chapter 2: The Earth's Crust > Mathematical Location of Places on the Globe > p. 10
  • Exploring Society:India and Beyond. Social Science-Class VI . NCERT(Revised ed 2025) > Chapter 1: Locating Places on the Earth > b) Latitudes > p. 14
🔗 Anchor: "Does the Earth's equator pass through Patos Lagoon (Lagoa dos Patos) in Brazil?"
🌑 The Hidden Trap

Lake Victoria is the only major African Great Lake crossed by the Equator. The 'Next Logical Question' is about the Prime Meridian (0° Longitude): It passes through Lake Volta (Ghana) but misses the Mediterranean's major islands.

⚡ Elimination Cheat Code

Use 'Climate Logic' instead of Map Memory. Tonlé Sap is in Cambodia. Cambodia has a Monsoon climate (distinct wet/dry seasons). The Equator has an Equatorial climate (rain every afternoon). Therefore, Tonlé Sap cannot be on the Equator. Answer must exclude II.

🔗 Mains Connection

Tonlé Sap connects to GS-3 (Environment) & IR: It has a unique 'flow reversal' system dependent on the Mekong flood pulse, which is currently threatened by Chinese dams upstream (Geopolitics of Water).

✓ Thank you! We'll review this.

SIMILAR QUESTIONS

CAPF · 2008 · Q14 Relevance score: -5.32

Consider the following pairs : 1. Rewalsar lake—Himachal Pradesh 2. Nakki lake—Madhya Pradesh 3. Renuka lake—Uttarakhand Which of the above pairs is/are correct ?

IAS · 2002 · Q24 Relevance score: -5.77

Which one of the following is not a lagoon?

IAS · 2023 · Q1 Relevance score: -5.89

Consider the following statements : 1. Jhelum River passes through Wular Lake. 2. Krishna River directly feeds Kolleru Lake. 3. Meandering of Gandak River formed Kanwar Lake. How many of the statements given above are correct?