Lake Baikal - Test
Lake Baikal
  • 1. Where is Lake Baikal located?
A) Canada
B) Russia
C) China
D) USA
  • 2. What is the deepest lake in the world?
A) Caspian Sea
B) Lake Superior
C) Lake Tanganyika
D) Lake Baikal
  • 3. Which animals are native to Lake Baikal?
A) Giraffe
B) Polar bear
C) Kangaroo
D) Baikal seal
  • 4. How many rivers flow into Lake Baikal?
A) 336
B) 512
C) 157
D) 273
  • 5. When was Lake Baikal declared a UNESCO World Heritage Site?
A) 2020
B) 1996
C) 2005
D) 1970
  • 6. How many islands are there in Lake Baikal?
A) 5
B) 50
C) 27
D) 10
  • 7. Which city located near Lake Baikal is a popular tourist destination?
A) New York
B) Irkutsk
C) Paris
D) Tokyo
  • 8. What is the primary threat to Lake Baikal's ecosystem?
A) Invasive species
B) Climate change
C) Overfishing
D) Pollution
  • 9. What is the maximum depth of Lake Baikal?
A) 500 meters
B) 1,642 meters
C) 800 meters
D) 3,000 meters
  • 10. What percentage of the world's fresh surface water does Lake Baikal contain?
A) 10–15%
B) 30–35%
C) 22–23%
D) 40–45%
  • 11. How old is Lake Baikal estimated to be?
A) 10–15 million years
B) 50–60 million years
C) 100–120 million years
D) 25–30 million years
  • 12. How much does the Baikal Rift Zone widen each year?
A) About 20 mm
B) About 4 mm
C) About 10 mm
D) About 1 mm
  • 13. How many basins does Lake Baikal have?
A) Three
B) Two
C) Five
D) Four
  • 14. Which river is the main outlet of Lake Baikal?
A) The Selenga
B) The Angara
C) The Yenisey
D) The Barguzin
  • 15. Which is the largest island in Lake Baikal?
A) Olkhon
B) Lena
C) Yenisey
D) Baikal
  • 16. How many inflowing rivers does Lake Baikal have?
A) 100
B) 500
C) 10
D) As many as 330
  • 17. Which of the following is not a main river draining directly into Baikal?
A) The Selenga
B) The Yenisey
C) The Barguzin
D) The Upper Angara
  • 18. What is the estimated volume of water in Lake Baikal?
A) 30,000 km3
B) 5,000 km3
C) 10,000 km3
D) 23,615.39 km3
  • 19. What is the mean winter minimum temperature in Buryatia near Lake Baikal?
A) −30 °C
B) 0 °C
C) −10 °C
D) −19 °C
  • 20. What is the mean summer maximum temperature in Buryatia near Lake Baikal?
A) 25 °C
B) 30 °C
C) 20 °C
D) 14 °C
  • 21. What is the name of the region to the east of Lake Baikal?
A) Irkutsk
B) Buryatia
C) Transbaikalia
D) Siberia
  • 22. What is the name of the region around Lake Baikal?
A) Siberia
B) Irkutsk
C) Baikalia
D) Buryatia
  • 23. What is the name of the ridge separating the North and Central basins of Lake Baikal?
A) Baikal Ridge
B) Academician Ridge
C) Barguzin Ridge
D) Siberian Ridge
  • 24. What is the name of the area separating the Central and South basins of Lake Baikal?
A) Baikal Saddle
B) Barguzin Saddle
C) Buguldeika Saddle
D) Siberian Saddle
  • 25. What is the name of the cape on Baikal's northwest coast?
A) Cape Siberia
B) Cape Ryty
C) Cape Baikal
D) Cape Buryatia
  • 26. What is the name of the mountain range on the northeastern shore of Lake Baikal?
A) The Barguzin Range
B) The Altai Range
C) The Siberian Range
D) The Ural Range
  • 27. What is the name of the mountain range stretching along the western shore of Lake Baikal?
A) The Altai Range
B) The Primorsky Range
C) The Ural Range
D) The Siberian Range
  • 28. When does the upper 300 m of Lake Baikal become homothermic at around 4 °C?
A) In May–June and again in October–November
B) In July–August
C) In December–January
D) Throughout the year
  • 29. How many species of plants are currently known to inhabit Lake Baikal?
A) Less than 500 species
B) More than 2,500 species
C) Exactly 1,500 species
D) More than 1,000 species
  • 30. Which of the following is an invasive plant species in Lake Baikal?
A) Cirsium palustre
B) Potamogeton
C) Elodea canadensis
D) Ulothrix
  • 31. Which of these mammals was historically found near Lake Baikal but is no longer present?
A) Amur leopard (Panthera pardus orientalis)
B) European bison (Bison bonasus)
C) Siberian musk deer (Moschus moschiferus)
D) Snow leopard (Panthera uncia)
  • 32. How many species of submerged macrophytes have been recorded in Lake Baikal?
A) More than 85 species
B) Exactly 50 species
C) Less than 30 species
D) About 100 species
  • 33. Which of the following is not a genus of submerged macrophytes found in Lake Baikal?
A) Potamogeton
B) Myriophyllum
C) Ulothrix
D) Ceratophyllum
  • 34. Which genus of green algae is found deeper than 30 meters in Lake Baikal?
A) Ulothrix
B) Draparnaldioides
C) Tetraspora
D) Aegagrophila
  • 35. Which of the following mammals is not typically found around Lake Baikal?
A) Eurasian wolf (Canis lupus lupus)
B) Siberian tiger (Panthera tigris tigris)
C) Siberian roe deer (Capreolus pygargus)
D) Brown bear (Ursus arctos)
  • 36. Which of the following is a land mammal found around Lake Baikal?
A) Moose (Alces alces)
B) Elodea canadensis
C) Draparnaldioides
D) Baikal seal (Pusa sibirica)
  • 37. Which of these mammals is known for its presence in the Eurasian region and can be found around Lake Baikal?
A) Eurasian otter (Lutra lutra)
B) African elephant (Loxodonta africana)
C) Kangaroo (Macropus sp.)
D) Koala (Phascolarctos cinereus)
  • 38. Which of the following is a genus of green algae found in Lake Baikal?
A) Canis
B) Ursus
C) Cladophora
D) Lutra
  • 39. Which of these species is not a type of squirrel found around Lake Baikal?
A) Red squirrel (Sciurus vulgaris)
B) Siberian chipmunk (Eutamias sibiricus)
C) Eastern gray squirrel (Sciurus carolinensis)
D) Both B and C
  • 40. Which of the following mammals is known for its distinctive white winter coat found around Lake Baikal?
A) Snow leopard (Panthera uncia)
B) Red fox (Vulpes vulpes)
C) Eurasian wolf (Canis lupus lupus)
D) Siberian tiger (Panthera tigris tigris)
  • 41. Who led the 2008 mission involving Mir-1 and Mir-2 submersibles?
A) Artur Chilingarov
B) Anatoly Sagalevich
C) The leader of the Baikalian Research Centre
D) Vladimir Putin
  • 42. In which year did Kurbat Ivanov first see Lake Baikal?
A) 1635
B) 1643
C) 1628
D) 1652
  • 43. In what year did the Russian government declare the Baikal region a special economic zone?
A) 2012
B) 2007
C) 2010
D) 2005
  • 44. Which fish is the primary prey of the Baikal seal?
A) Omul
B) Baikal black grayling
C) Baikal sturgeon
D) Golomyanka
  • 45. Which family do most of the endemic sponges in Lake Baikal belong to?
A) Pisidiidae
B) Spongillidae
C) Lubomirskiidae
D) Euglesidae
  • 46. What is the most important local fish species for fisheries in Lake Baikal?
A) Baikal sturgeon
B) Baikal white grayling
C) Omul
D) Golomyanka
  • 47. What is the name of the young human male whose remains were found near the village of Mal'ta?
A) Baikal Man
B) Buryat Boy
C) Mal'ta Boy
D) Kurykan Boy
  • 48. What is the most-populated village on Olkhon Island?
A) Khuzhir
B) Kurkut
C) Irkutskaya
D) Listvyanka
  • 49. Which family do all isopods in Lake Baikal belong to?
A) Acanthogammaridae
B) Cytherideidae
C) Candonidae
D) Asellidae
  • 50. Which of the following mammals is known for its agility and climbing abilities around Lake Baikal?
A) Siberian chipmunk (Eutamias sibiricus)
B) Moose (Alces alces)
C) Eurasian otter (Lutra lutra)
D) Siberian tiger (Panthera tigris tigris)
  • 51. Who may have been the first Russian to reach the Lena River?
A) Vikhor Savin
B) Petr Beketov
C) Demid Pyanda
D) Maksim Perfilyev
  • 52. Since which year has neutrino research been conducted at the Baikal Deep Underwater Neutrino Telescope?
A) 1990
B) 2008
C) 2000
D) 1993
  • 53. Which of the following is a type of hare found around Lake Baikal?
A) Black-tailed jackrabbit (Lepus californicus)
B) Both B and C
C) European hare (Lepus europaeus)
D) Mountain hare (Lepus timidus)
  • 54. What activity is popular in Baikal's summer season?
A) Ice-skating
B) Ice-walking
C) Bird-watching
D) Ice-fishing
  • 55. What did the Russian explorers collect from the Buryats in 1628?
A) Yasak (tribute)
B) Gold
C) Silver
D) Furs
  • 56. What is the name of the submersible used by Anatoly Sagalevich to set the deepest freshwater dive record?
A) Pisces
B) BDUNT
C) Mir-2
D) Mir-1
  • 57. What nickname is given to Lake Baikal in relation to Lake Khövsgöl?
A) Twin of Sister Lakes
B) Younger sister of Sister Lakes
C) Older sister of Sister Lakes
D) Mother of Sister Lakes
  • 58. What is the estimated percentage of the total biomass made up by Epischurella baikalensis in Lake Baikal?
A) 10 to 20%
B) 80 to 90%
C) 30 to 40%
D) 50 to 60%
  • 59. What is the largest flatworm species in Lake Baikal?
A) Baikaloplana valida
B) Benedictia baicalensis
C) Megalovalvata baicalensis
D) Lubomirskia baikalensis
  • 60. What are the common colors of sponges in Lake Baikal when alive?
A) Red, blue, or purple
B) Orange, pink, or violet
C) Black, white, or gray
D) Green, brownish, or yellowish
  • 61. Which of the following mammals is known for its musky scent and is found around Lake Baikal?
A) Siberian tiger (Panthera tigris tigris)
B) Eurasian otter (Lutra lutra)
C) Siberian musk deer (Moschus moschiferus)
D) Red fox (Vulpes vulpes)
  • 62. In which year did Anatoly Sagalevich set the record for the deepest freshwater dive in Lake Baikal?
A) 1993
B) 1990
C) 2000
D) 2008
  • 63. What was the name of the first Russian to explore Tungus country on the lower Angara?
A) Demid Pyanda
B) Vikhor Savin
C) Petr Beketov
D) Maksim Perfilyev
  • 64. Which river did Maksim Perfilyev cross in 1638 to reach the Lena River?
A) Uda River
B) Ilim portage
C) Selenga River
D) Barguzin River
  • 65. At what depths do the golomyanka species typically live in Lake Baikal?
A) 50–100 m
B) 100–500 m
C) 500–1000 m
D) 10–50 m
  • 66. Who holds the record for the deepest freshwater dive in Lake Baikal?
A) The crew of Mir-1 and Mir-2
B) Anatoly Sagalevich
C) Vladimir Putin
D) Artur Chilingarov
  • 67. How many endemic freshwater snail species are known from Lake Baikal?
A) 117
B) 150
C) 30
D) 200
  • 68. During which season can tourists safely drive on the ice cover of Lake Baikal?
A) Autumn season
B) Ice season
C) Summer season
D) Spring season
  • 69. Which endemic whitefish species is caught and smoked for sale around Lake Baikal?
A) Acipenser baerii baicalensis
B) Coregonus migratorius
C) Coregonus baicalensis
D) Thymallus baicalensis
  • 70. What name did the Buryats give to Lake Baikal?
A) Baygal nuur
B) North Sea
C) Much water
D) Rich lake
  • 71. How many foreign tourists visited Lake Baikal in 2014?
A) 146,937
B) 120,000
C) 200,000
D) 100,000
  • 72. What did Ivan Pokhabov explore in 1644?
A) The Khilok River
B) The upper Lena River
C) The Uda River
D) The lower Selenge River
  • 73. What culture is associated with the remains of Mal'ta Boy?
A) Mal'ta–Buret' culture
B) Xiongnu culture
C) Buryat culture
D) Kurykan culture
  • 74. Which amphipod species is known for living its entire life in the water column?
A) Garjajewia
B) Abyssogammarus
C) Macrohectopus branickii
D) Pachyschesis
  • 75. Which of the following is a common species of Baikal snails?
A) Baikalospongia bacillifera
B) Benedictia baicalensis
C) Megalovalvata baicalensis
D) Lubomirskia baikalensis
  • 76. How many species of birds inhabit Lake Baikal?
A) 300
B) 150
C) 236
D) 500
  • 77. What was the name of the first European to see Lake Baikal?
A) Petr Beketov
B) Kurbat Ivanov
C) Maksim Perfilyev
D) Demid Pyanda
  • 78. How many optical modules does the Baikal Neutrino Telescope NT-200 consist of?
A) 150
B) 192
C) 250
D) 200
  • 79. What was the name of the punitive expedition that restored Bratsk in 1635?
A) Beketov
B) Khripunov
C) Radukovskii
D) Perfilyev
  • 80. How many described species of aquatic freshwater oligochaetes are there in Lake Baikal?
A) 30
B) 150
C) Almost 200
D) 4
  • 81. What was the Russian expansion into the Buryat area around Lake Baikal part of?
A) The construction of the SS Baikal
B) The Great Siberian Ice March
C) The Russian conquest of Siberia
D) The establishment of the Trans-Siberian Railway
  • 82. What is the planned investment by Rosatom in the Baikal region?
A) $1.5 billion
B) $3 billion
C) $2 billion
D) $2.5 billion
  • 83. Which organization built the Frolikha Adventure Coastline Track?
A) Greenpeace
B) UNESCO
C) Baikalplan (a German NGO)
D) WWF
  • 84. What is the maximum thickness of the ice on the ice road to Olkhon Island?
A) 80 cm
B) 50 cm
C) 60 cm
D) 70 cm
  • 85. What percentage of the benthic animal biomass in Lake Baikal is made up by sponges?
A) Around 44%
B) 30%
C) 60%
D) 10%
  • 86. How many of the bird species at Lake Baikal are waterfowl?
A) 50
B) 100
C) 29
D) 200
  • 87. How many species of sponges are known to occur in Lake Baikal?
A) 30
B) At least 18
C) 200
D) 150
  • 88. Which family of ostracods in Lake Baikal has more than 100 described species?
A) Acanthogammaridae
B) Asellidae
C) Cytherideidae
D) Candonidae
  • 89. Which gulf in Lake Baikal can be comfortable for swimming?
A) Irkutskaya
B) Chivirkuy
C) Kurkut
D) Turka
  • 90. How many cubic kilometers of water do Epischurella baikalensis filter annually in Lake Baikal?
A) Ten thousand
B) Five hundred
C) A hundred
D) A thousand
  • 91. Which of the following is a type of bear found around Lake Baikal?
A) Both B and C
B) Black bear (Ursus americanus)
C) Brown bear (Ursus arctos)
D) Polar bear (Ursus maritimus)
  • 92. Which of the following is a type of deer found around Lake Baikal?
A) Mule deer (Odocoileus hemionus)
B) Both B and C
C) Siberian roe deer (Capreolus pygargus)
D) White-tailed deer (Odocoileus virginianus)
  • 93. Who is one of the investors planning to build hotels near Lake Baikal?
A) Viktor Grigorov
B) Viktor Putin
C) Viktor Yanukovych
D) Viktor Medvedev
  • 94. Which island is accessible via the ice route around Olkhon?
A) Listvyanka Island
B) Turka Island
C) Kotelnikovsky Island
D) Ogoy Island
  • 95. Which dynasty controlled Lake Baikal from 647 CE to 682 CE?
A) Han dynasty
B) Russian Empire
C) Xiongnu confederation
D) Tang dynasty
  • 96. What was Lake Baikal called by the Kurykans?
A) Natural lake
B) North Sea
C) Much water
D) Rich lake
  • 97. Which village is the starting point for the ice road to Olkhon Island?
A) Kurkut
B) Irkutsk
C) Turka
D) Listvyanka
  • 98. Which organization is an independent research entity working on Lake Baikal?
A) Baikal Submersible Operations
B) The Baikalian Research Centre
C) Russian Governmental Organization
D) Lake Baikal Environmental Agency
  • 99. What did the Russians hear about in 1609 at Tomsk?
A) The Buryats
B) The Amur country
C) The Trans-Siberian Railway
D) The Great Siberian Ice March
  • 100. Who headed the hydrogeographical expedition that produced the first detailed contour map of Lake Baikal's bed?
A) F.K. Drizhenko
B) Petr Beketov
C) Kurbat Ivanov
D) Maksim Perfilyev
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