Major Rivers & Lakes MCQs 2026

98 questions with detailed answers · 0 from past papers · 10 quiz batches available

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Page 1 of 1Questions 1–10 of 98
  1. Q1medium

    Which is the largest lake in South Korea

    1. ALake Chungju
    2. BLake Soyang
    3. CLake Andong
    4. DLake Hapcheon
    💡 Explanation:

    Lake Soyang is the largest lake in South Korea at 70 km².

  2. Q2medium

    Which is the largest lake in Iran

    1. ALake Urmia
    2. BCaspian Sea
    3. CLake Bakhtegan
    4. DLake Tashk
    💡 Explanation:

    Lake Urmia is the largest lake in Iran and was once one of the largest saltwater lakes in the world.

  3. Q3medium

    Which is the largest lake in Africa

    1. ALake Victoria
    2. BLake Tanganyika
    3. CLake Malawi
    4. DLake Chad
    💡 Explanation:

    Lake Victoria is the largest lake in Africa by surface area at 68,800 km².

  4. Q4medium

    Which river is the most voluminous in the world

    1. ANile
    2. BYangtze
    3. CAmazon
    4. DMississippi
    💡 Explanation:

    The Amazon River discharges more water than the next seven largest rivers combined.

  5. Q5easy

    Which river flows through Paris

    1. ASeine
    2. BRhine
    3. CLoire
    4. DDanube
    💡 Explanation:

    The Seine River flows through Paris and is the second longest river in France.

  6. Q6easy

    Which river flows through London

    1. AThames
    2. BSeine
    3. CRhine
    4. DDanube
    💡 Explanation:

    The Thames River flows through London and is the longest river in England.

  7. Q7medium

    Which is the largest lake in Norway

    1. ALake Mjøsa
    2. BLake Røssvatnet
    3. CLake Femunden
    4. DLake Tyrifjorden
    💡 Explanation:

    Lake Mjøsa is the largest lake in Norway at 365 km².

  8. Q8medium

    Which is the largest lake in Vietnam

    1. ALake Ba Be
    2. BLake Hoan Kiem
    3. CLake Thac Ba
    4. DLake Dau Tieng
    💡 Explanation:

    Lake Ba Be is the largest lake in Vietnam and part of Ba Be National Park.

  9. Q9medium

    Which is the largest lake entirely within the United States

    1. ALake Michigan
    2. BLake Huron
    3. CLake Superior
    4. DLake Ontario
    💡 Explanation:

    Lake Michigan is the only Great Lake entirely within the United States.

  10. Q10medium

    Which lake is the largest by surface area in the world

    1. ALake Superior
    2. BLake Victoria
    3. CLake Huron
    4. DCaspian Sea
    💡 Explanation:

    The Caspian Sea is the world's largest lake by surface area at approximately 371,000 km².

  11. Q11easy

    Which river flows through the city of New Orleans

    1. AMississippi
    2. BMissouri
    3. COhio
    4. DRed River
    💡 Explanation:

    The Mississippi River flows through New Orleans and has been crucial to the city's development.

  12. Q12medium

    Which river is the longest in Spain

    1. AEbro
    2. BTagus
    3. CDuero
    4. DGuadalquivir
    💡 Explanation:

    The Ebro River is the longest in Spain at 930 km.

  13. Q13medium

    Which is the largest lake in Japan

    1. ALake Biwa
    2. BLake Kasumigaura
    3. CLake Saroma
    4. DLake Inawashiro
    💡 Explanation:

    Lake Biwa is the largest lake in Japan at 670 km².

  14. Q14medium

    Which river is the longest in Asia

    1. AYangtze
    2. BYellow River
    3. CMekong
    4. DGanges
    💡 Explanation:

    The Yangtze River is the longest in Asia at 6,300 km and the third longest in the world.

  15. Q15medium

    Which is the largest lake in Bolivia

    1. ALake Titicaca
    2. BLake Poopo
    3. CLake Uru Uru
    4. DLake Huaytunas
    💡 Explanation:

    Lake Titicaca is the largest lake in Bolivia and the highest navigable lake in the world.

  16. Q16easy

    Which river forms the border between Pennsylvania and New Jersey

    1. ADelaware
    2. BSusquehanna
    3. CHudson
    4. DOhio
    💡 Explanation:

    The Delaware River forms the border between Pennsylvania and New Jersey.

  17. Q17hard

    Which is the largest lake in Central Asia

    1. ALake Balkhash
    2. BAral Sea
    3. CLake Issyk-Kul
    4. DCaspian Sea
    💡 Explanation:

    The Aral Sea was one of the largest lakes in the world before its catastrophic shrinkage.

  18. Q18easy

    Which river flows through the city of Frankfurt

    1. AMain
    2. BRhine
    3. CDanube
    4. DNeckar
    💡 Explanation:

    The Rhine River flows through Frankfurt and is Germany's most important waterway.

  19. Q19easy

    Which river flows through the city of Lahore

    1. ARavi
    2. BChenab
    3. CJhelum
    4. DSutlej
    💡 Explanation:

    The Ravi River flows through Lahore, an important city in Pakistan.

  20. Q20medium

    Which lake is the lowest point on Earth

    1. ADead Sea
    2. BCaspian Sea
    3. CLake Baikal
    4. DLake Eyre
    💡 Explanation:

    The Dead Sea is the lowest point on Earth's surface at approximately 430 meters below sea level.

  21. Q21hard

    Which river is known as the "Rhine of the North"

    1. ASaskatchewan
    2. BChurchill
    3. CMackenzie
    4. DFraser
    💡 Explanation:

    The Saskatchewan River is sometimes called the "Rhine of the North" due to its economic importance.

  22. Q22medium

    Which is the largest lake in Greece

    1. ALake Trichonida
    2. BLake Volvi
    3. CLake Kourna
    4. DLake Plastira
    💡 Explanation:

    Lake Trichonida is the largest lake in Greece at 96 km².

  23. Q23hard

    Which river is the largest tributary of the Amazon

    1. ARio Negro
    2. BMadeira
    3. CTapajós
    4. DXingu
    💡 Explanation:

    The Madeira River is the largest tributary of the Amazon, contributing about 15% of its flow.

  24. Q24medium

    Which is the longest lake in the world

    1. ALake Tanganyika
    2. BLake Malawi
    3. CLake Baikal
    4. DCaspian Sea
    💡 Explanation:

    Lake Baikal is the longest lake in the world at 636 km.

  25. Q25medium

    Which is the largest lake in Bangladesh

    1. AKaptai Lake
    2. BSangu Lake
    3. CMeghna Lake
    4. DJamuna Lake
    💡 Explanation:

    Kaptai Lake is the largest lake in Bangladesh at 688 km².

  26. Q26easy

    Which river flows through Rome

    1. ATiber
    2. BPo
    3. CArno
    4. DRhine
    💡 Explanation:

    The Tiber River flows through Rome and has been the source of Rome's water supply for thousands of years.

  27. Q27medium

    Which is the second largest lake in Africa

    1. ALake Tanganyika
    2. BLake Victoria
    3. CLake Malawi
    4. DLake Chad
    💡 Explanation:

    Lake Tanganyika is the second largest lake in Africa by volume and depth.

  28. Q28easy

    Which river is the longest in Brazil

    1. AAmazon
    2. BParaná
    3. CSão Francisco
    4. DMadeira
    💡 Explanation:

    The Amazon River is the longest in Brazil and is the world's largest river by discharge volume.

  29. Q29medium

    Which is the largest lake in Egypt

    1. ALake Nasser
    2. BLake Qarun
    3. CLake Manzala
    4. DLake Maryut
    💡 Explanation:

    Lake Nasser is the largest lake in Egypt and was created by the Aswan High Dam.

  30. Q30medium

    Which is the largest lake in China

    1. AQinghai Lake
    2. BPoyang Lake
    3. CDongting Lake
    4. DTaihu Lake
    💡 Explanation:

    Qinghai Lake is the largest lake in China at 4,317 km².

  31. Q31easy

    Which river flows through Cairo

    1. ANile
    2. BJordan
    3. CTigris
    4. DEuphrates
    💡 Explanation:

    The Nile River flows through Cairo and has been the lifeline of Egypt for millennia.

  32. Q32easy

    Which river is known as the "Mighty Mississippi"

    1. AMissouri
    2. BOhio
    3. CArkansas
    4. DMississippi
    💡 Explanation:

    The Mississippi River is often called the "Mighty Mississippi" due to its size and importance.

  33. Q33medium

    Which lake is the deepest in Africa

    1. ALake Malawi
    2. BLake Tanganyika
    3. CLake Victoria
    4. DLake Chad
    💡 Explanation:

    Lake Tanganyika is the deepest in Africa at 1,470 meters and the second deepest in the world.

  34. Q34easy

    Which river flows through Vienna

    1. ADanube
    2. BRhine
    3. CSeine
    4. DThames
    💡 Explanation:

    The Danube River flows through Vienna, Austria's capital city.

  35. Q35easy

    Which river flows through the city of Dublin

    1. ALiffey
    2. BShannon
    3. CBoyne
    4. DLee
    💡 Explanation:

    The Liffey River flows through Dublin, the capital of Ireland.

  36. Q36medium

    Which is the longest river in Europe

    1. ADanube
    2. BVolga
    3. CRhine
    4. DDnieper
    💡 Explanation:

    The Volga River is the longest in Europe at 3,530 km, flowing through Russia.

  37. Q37easy

    Which river flows through the city of St Louis

    1. AMississippi
    2. BMissouri
    3. COhio
    4. DArkansas
    💡 Explanation:

    The Mississippi River flows through St Louis and is the largest river in North America.

  38. Q38medium

    Which river is the longest in Italy

    1. APo
    2. BAdige
    3. CTiber
    4. DArno
    💡 Explanation:

    The Po River is the longest in Italy at 652 km.

  39. Q39medium

    Which is the largest lake in Australia

    1. ALake Eyre
    2. BLake Torrens
    3. CLake Gairdner
    4. DLake Frome
    💡 Explanation:

    Lake Eyre is the largest lake in Australia, though it is usually dry or salt-encrusted.

  40. Q40medium

    Which river is known as the "Father of Waters"

    1. AMississippi
    2. BAmazon
    3. CNile
    4. DGanges
    💡 Explanation:

    The Mississippi River is often called the "Father of Waters" in Native American culture.

  41. Q41medium

    Which is the largest lake in Ukraine

    1. ALake Svityaz
    2. BLake Yalpuh
    3. CLake Kahul
    4. DLake Kyog
    💡 Explanation:

    Lake Yalpuh is the largest lake in Ukraine at 149 km².

  42. Q42medium

    Which is the largest lake in Venezuela

    1. ALake Maracaibo
    2. BLake Valencia
    3. CLake Titicaca
    4. DLake Huacachina
    💡 Explanation:

    Lake Maracaibo is the largest lake in Venezuela and one of the oldest lakes on Earth.

  43. Q43medium

    Which is the largest freshwater lake in the world by area

    1. ALake Superior
    2. BLake Victoria
    3. CCaspian Sea
    4. DLake Baikal
    💡 Explanation:

    Lake Superior is the largest freshwater lake in the world by area at 82,100 km².

  44. Q44medium

    Which river flows through the city of Prague

    1. AVltava
    2. BElbe
    3. CDanube
    4. DRhine
    💡 Explanation:

    The Vltava River flows through Prague and is the longest river in the Czech Republic.

  45. Q45easy

    Which river flows through the city of Budapest

    1. ADanube
    2. BTisza
    3. CDrava
    4. DSava
    💡 Explanation:

    The Danube River flows through Budapest, dividing the city into Buda and Pest.

  46. Q46medium

    Which is the largest lake in Poland

    1. ALake Śniardwy
    2. BLake Mamry
    3. CLake Łebsko
    4. DLake Drawsko
    💡 Explanation:

    Lake Śniardwy is the largest lake in Poland at 113.8 km².

  47. Q47easy

    Which river flows through Moscow

    1. AVolga
    2. BMoskva
    3. CNeva
    4. DDon
    💡 Explanation:

    The Moskva River flows through Moscow, the capital of Russia.

  48. Q48medium

    Which is the largest lake in New Zealand

    1. ALake Taupo
    2. BLake Te Anau
    3. CLake Wakatipu
    4. DLake Wanaka
    💡 Explanation:

    Lake Taupo is the largest lake in New Zealand at 616 km².

  49. Q49medium

    Which is the largest lake in Germany

    1. ALake Constance
    2. BLake Müritz
    3. CLake Schwerin
    4. DLake Starnberg
    💡 Explanation:

    Lake Constance is the largest lake in Germany, shared with Austria and Switzerland.

  50. Q50medium

    Which is the largest lake in Colombia

    1. ALake Tota
    2. BLake Fúquene
    3. CLake Cocha
    4. DLake Guatavita
    💡 Explanation:

    Lake Tota is the largest lake in Colombia at 55 km².

  51. Q51hard

    Which lake is the largest freshwater lake by volume

    1. ALake Superior
    2. BLake Michigan
    3. CLake Huron
    4. DLake Baikal
    💡 Explanation:

    Lake Baikal contains approximately 23,600 km³ of freshwater, more than all North American Great Lakes combined.

  52. Q52medium

    Which is the largest lake in Cameroon

    1. ALake Nyos
    2. BLake Chad
    3. CLake Bamendjing
    4. DLake Mbakaou
    💡 Explanation:

    Lake Chad is the largest lake in Cameroon, though its area has significantly decreased in recent decades.

  53. Q53easy

    Which river flows through the Grand Canyon

    1. AColorado
    2. BMississippi
    3. CRio Grande
    4. DColumbia
    💡 Explanation:

    The Colorado River carved the Grand Canyon over millions of years.

  54. Q54medium

    Which is the largest lake in Romania

    1. ALake Razim
    2. BLake Sinoe
    3. CLake Brates
    4. DLake Techirghiol
    💡 Explanation:

    Lake Razim is the largest lake in Romania at 415 km².

  55. Q55medium

    Which is the largest lake in Mexico

    1. ALake Chapala
    2. BLake Cuitzeo
    3. CLake Pátzcuaro
    4. DLake Texcoco
    💡 Explanation:

    Lake Chapala is the largest lake in Mexico at 1,100 km².

  56. Q56easy

    Which river forms the border between Texas and Mexico

    1. ARio Grande
    2. BColorado
    3. CMississippi
    4. DRed River
    💡 Explanation:

    The Rio Grande forms a natural border between Texas and Mexico for 1,250 miles.

  57. Q57medium

    Which is the largest lake in Sweden

    1. ALake Vänern
    2. BLake Vättern
    3. CLake Mälaren
    4. DLake Hjälmaren
    💡 Explanation:

    Lake Vänern is the largest lake in Sweden at 5,655 km².

  58. Q58medium

    Which river is known as the "Swan River"

    1. ASwan
    2. BMurray
    3. CDarling
    4. DMurrumbidgee
    💡 Explanation:

    The Swan River flows through Perth, Western Australia, and was named for the black swans found there.

  59. Q59medium

    Which is the largest lake in Lithuania

    1. ALake Drūkšiai
    2. BLake Dysnai
    3. CLake Dusia
    4. DLake Luodis
    💡 Explanation:

    Lake Drūkšiai is the largest lake in Lithuania at 44.5 km².

  60. Q60medium

    Which river flows through the city of Rotterdam

    1. ARhine
    2. BMeuse
    3. CScheldt
    4. DDanube
    💡 Explanation:

    The Meuse River flows through Rotterdam, one of the largest ports in the world.

  61. Q61easy

    Which river flows through the city of Florence

    1. AArno
    2. BTiber
    3. CPo
    4. DAdige
    💡 Explanation:

    The Arno River flows through Florence, the capital of Tuscany in Italy.

  62. Q62easy

    Which is the largest lake in Switzerland

    1. ALake Geneva
    2. BLake Lucerne
    3. CLake Constance
    4. DLake Zurich
    💡 Explanation:

    Lake Geneva is the largest lake in Switzerland and one of the largest in Western Europe.

  63. Q63hard

    Which is the largest lake in Mongolia

    1. ALake Uvs
    2. BLake Khövsgöl
    3. CLake Khar-Us
    4. DLake Khyargas
    💡 Explanation:

    Lake Khövsgöl is the largest lake in Mongolia by volume and one of the oldest lakes in the world.

  64. Q64medium

    Which is the largest lake in Estonia

    1. ALake Peipus
    2. BLake Võrtsjärv
    3. CLake Saadjärv
    4. DLake Ülemiste
    💡 Explanation:

    Lake Peipus is the largest lake in Estonia, shared with Russia.

  65. Q65medium

    Which is the largest lake in Turkey

    1. ALake Van
    2. BLake Tuz
    3. CLake Beyşehir
    4. DLake Eğirdir
    💡 Explanation:

    Lake Van is the largest lake in Turkey at 3,755 km².

  66. Q66medium

    Which river is known as the "Cradle of Chinese Civilization"

    1. AYellow River
    2. BYangtze
    3. CMekong
    4. DAmur
    💡 Explanation:

    The Yellow River is known as the cradle of Chinese civilization, where the earliest Chinese societies developed.

  67. Q67medium

    Which river is the longest in Canada

    1. AMackenzie
    2. BSt Lawrence
    3. CFraser
    4. DYukon
    💡 Explanation:

    The Mackenzie River is the longest in Canada at 1,738 km.

  68. Q68medium

    Which is the largest lake in Finland

    1. ALake Saimaa
    2. BLake Päijänne
    3. CLake Inari
    4. DLake Oulujärvi
    💡 Explanation:

    Lake Saimaa is the largest lake in Finland at 4,400 km².

  69. Q69medium

    Which river flows through the city of Milan

    1. APo
    2. BAdige
    3. CTiber
    4. DArno
    💡 Explanation:

    The Po River flows through Milan and is the longest river in Italy.

  70. Q70hard

    Which river is known as the "River of Gold"

    1. ARio de Oro
    2. BAmazon
    3. CNile
    4. DGanges
    💡 Explanation:

    Rio de Oro in South America was historically associated with gold mining during the colonial period.

  71. Q71medium

    Which is the largest lake in Peru

    1. ALake Titicaca
    2. BLake Junín
    3. CLake Huacachina
    4. DLake Salinas
    💡 Explanation:

    Lake Titicaca is the largest lake in Peru and South America's largest lake by volume.

  72. Q72easy

    Which river flows through Bangkok

    1. AChao Phraya
    2. BMekong
    3. CIrrawaddy
    4. DSalween
    💡 Explanation:

    The Chao Phraya River flows through Bangkok, the capital of Thailand.

  73. Q73hard

    Which lake is known for its pink color

    1. ALake Hillier
    2. BLake Retba
    3. CLake Natron
    4. DPink Lake
    💡 Explanation:

    Lake Hillier in Australia is famous for its bubblegum pink color caused by algae.

  74. Q74medium

    Which river is the longest in the United Kingdom

    1. AThames
    2. BSevern
    3. CTrent
    4. DGreat Ouse
    💡 Explanation:

    The Severn River is the longest in the United Kingdom at 354 km.

  75. Q75easy

    Which is the longest river in South America

    1. AAmazon
    2. BParaná
    3. COrinoco
    4. DMagdalena
    💡 Explanation:

    The Amazon River is the longest in South America at 6,400 km.

  76. Q76easy

    Which river is the longest in the world

    1. AAmazon
    2. BNile
    3. CYangtze
    4. DMississippi
    💡 Explanation:

    The Nile River is approximately 6,650 km long, making it the longest river in the world.

  77. Q77medium

    Which lake is the largest in South America

    1. ALake Titicaca
    2. BLake Maracaibo
    3. CLake Valencia
    4. DLake Poopo
    💡 Explanation:

    Lake Titicaca is the largest lake in South America and the highest navigable lake in the world.

  78. Q78medium

    Which is the deepest lake in the world

    1. ALake Tanganyika
    2. BLake Baikal
    3. CCaspian Sea
    4. DLake Victoria
    💡 Explanation:

    Lake Baikal in Russia is the deepest lake at 1,642 meters depth.

  79. Q79medium

    Which river forms the border between the US and Canada

    1. ASt Lawrence
    2. BColumbia
    3. CMississippi
    4. DNiagara
    💡 Explanation:

    The St Lawrence River forms part of the border between the United States and Canada.

  80. Q80medium

    Which is the largest lake in the United Kingdom

    1. ALough Neagh
    2. BLoch Lomond
    3. CLoch Ness
    4. DLake Windermere
    💡 Explanation:

    Lough Neagh in Northern Ireland is the largest lake in the UK at 392 km².

  81. Q81easy

    Which river flows through the city of Sacramento

    1. ASacramento
    2. BAmerican
    3. CSan Joaquin
    4. DFeather
    💡 Explanation:

    The Sacramento River flows through the city of Sacramento, the capital of California.

  82. Q82easy

    Which river flows through the city of Memphis

    1. AMississippi
    2. BTennessee
    3. CArkansas
    4. DOhio
    💡 Explanation:

    The Mississippi River flows through Memphis, one of the largest cities in the southern United States.

  83. Q83easy

    Which river flows through the city of Ottawa

    1. AOttawa
    2. BSt Lawrence
    3. CRideau
    4. DGatineau
    💡 Explanation:

    The Ottawa River flows through the city of Ottawa, the capital of Canada.

  84. Q84medium

    Which river is the longest in France

    1. ALoire
    2. BSeine
    3. CRhine
    4. DGaronne
    💡 Explanation:

    The Loire River is the longest in France at 1,006 km.

  85. Q85medium

    Which river flows through the city of Berlin

    1. ASpree
    2. BRhine
    3. CDanube
    4. DElbe
    💡 Explanation:

    The Spree River flows through Berlin, the capital of Germany.

  86. Q86medium

    Which is the largest lake in Canada by area

    1. ALake Superior
    2. BLake Huron
    3. CGreat Bear Lake
    4. DGreat Slave Lake
    💡 Explanation:

    Great Bear Lake is the largest lake entirely within Canada at 31,000 km².

  87. Q87hard

    Which is the largest lake in Argentina

    1. ALake Argentino
    2. BLake Viedma
    3. CLake Buenos Aires
    4. DLake Nahuel Huapi
    💡 Explanation:

    Lake Buenos Aires is the largest lake in Argentina at 1,850 km².

  88. Q88medium

    Which is the largest lake in Portugal

    1. ALake Pateira
    2. BLake Alqueva
    3. CLake Castelo do Bode
    4. DLake Maranhão
    💡 Explanation:

    Lake Alqueva is the largest lake in Portugal at 250 km².

  89. Q89medium

    Which lake has the highest water volume in the world

    1. ACaspian Sea
    2. BLake Baikal
    3. CLake Superior
    4. DLake Victoria
    💡 Explanation:

    Lake Baikal contains the highest volume of freshwater in the world at 23,600 km³.

  90. Q90medium

    Which river flows through the city of Pittsburgh

    1. AAllegheny
    2. BMonongahela
    3. COhio
    4. DSusquehanna
    💡 Explanation:

    The Ohio River forms at the confluence of the Allegheny and Monongahela rivers in Pittsburgh.

  91. Q91easy

    Which river is known as the "Yellow River" in China

    1. AYangtze
    2. BMekong
    3. CHuang He
    4. DAmur
    💡 Explanation:

    The Huang He River is called the "Yellow River" due to the color of its silt-laden waters.

  92. Q92easy

    Which river forms the border between Iowa and Illinois

    1. AMississippi
    2. BMissouri
    3. CIllinois
    4. DDes Moines
    💡 Explanation:

    The Mississippi River forms the border between Iowa and Illinois.

  93. Q93medium

    Which river is the longest in Australia

    1. AMurray
    2. BDarling
    3. CMurrumbidgee
    4. DLachlan
    💡 Explanation:

    The Murray River is the longest in Australia at 2,508 km.

  94. Q94medium

    Which is the second largest lake in the world by surface area

    1. ALake Huron
    2. BLake Superior
    3. CLake Victoria
    4. DCaspian Sea
    💡 Explanation:

    Lake Superior is the second largest lake in the world and the largest of the North American Great Lakes.

  95. Q95medium

    Which lake is known as the "Sea of Galilee"

    1. ALake Tiberias
    2. BLake Kinneret
    3. CDead Sea
    4. DLake Hula
    💡 Explanation:

    Lake Tiberias, also known as the Sea of Galilee, is Israel's largest freshwater lake.

  96. Q96medium

    Which river forms the border between the US and Mexico

    1. AColorado
    2. BRio Grande
    3. CMississippi
    4. DColumbia
    💡 Explanation:

    The Rio Grande forms a natural border between the United States and Mexico for approximately 2,000 km.

  97. Q97easy

    Which river flows through the city of Karachi

    1. AIndus
    2. BChenab
    3. CRavi
    4. DSutlej
    💡 Explanation:

    The Indus River flows through Karachi, one of Pakistan's largest cities.

  98. Q98medium

    Which is the largest lake in Europe

    1. ALake Ladoga
    2. BLake Onega
    3. CLake Geneva
    4. DCaspian Sea
    💡 Explanation:

    Lake Ladoga is the largest lake in Europe, located in northwestern Russia.