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Polar Bears - Exam
Contributed by: Prior
  • 1. Polar bears primarily inhabit which region?
A) Amazon Rainforest
B) Sahara Desert
C) The Arctic
D) Antarctica
  • 2. What is the main diet of polar bears?
A) Seals
B) Berries
C) Grass
D) Fish
  • 3. How do polar bears stay warm in their cold environment?
A) Hibernating
B) Wearing clothes
C) Constantly moving
D) Thick fur and a layer of fat
  • 4. How many layers of fur do polar bears have?
A) Four
B) One
C) Two
D) Three
  • 5. What color is a polar bear's skin?
A) Black
B) Orange
C) Purple
D) White
  • 6. Polar bears have a keen sense of smell. How far away can they detect a seal?
A) Up to 20 miles (32 km)
B) Up to 100 miles (160 km)
C) Up to 5 miles (8 km)
D) Up to 50 miles (80 km)
  • 7. How do polar bears catch seals?
A) By waiting near breathing holes in the ice
B) Chasing them on land
C) Climbing trees
D) Using fishing nets
  • 8. Polar bear cubs usually stay with their mother for how long?
A) 6 months
B) 1 year
C) 2 years
D) 3 years
  • 9. What is the biggest threat to polar bears today?
A) Climate change
B) Predators like wolves
C) Lack of food
D) Hunting by humans
  • 10. What is the scientific name of the polar bear?
A) Ursus thibetanus
B) Ursus maritimus
C) Ursus arctos
D) Ursus americanus
  • 11. Which species is the polar bear closely related to?
A) Asiatic black bear
B) Brown bear
C) Grizzly bear
D) Sloth bear
  • 12. What is the conservation status of polar bears according to the IUCN?
A) Vulnerable
B) Critically Endangered
C) Least Concern
D) Endangered
  • 13. Who gave the polar bear its common name?
A) Thomas Pennant
B) Constantine John Phipps
C) Björn Kurtén
D) Carl Linnaeus
  • 14. What name do the Inuit use for the polar bear?
A) nanook
B) tattaq
C) anguraq
D) isbjørn
  • 15. Which culture has different names for bears based on sex and age?
A) European
B) Inuit
C) Netsilik cultures
D) Norse
  • 16. Who classified the polar bear as a type of brown bear?
A) Thomas Pennant
B) Constantine John Phipps
C) Theodore Knottnerus-Meyer
D) Carl Linnaeus
  • 17. In which year did Carl Linnaeus first classify the polar bear?
A) 1774
B) 1758
C) 1773
D) 1964
  • 18. Who formally described the polar bear as a distinct species?
A) Carl Linnaeus
B) Thomas Pennant
C) Björn Kurtén
D) Constantine John Phipps
  • 19. Which taxonomist has placed the polar bear in its own genus, Thalarctos?
A) Constantine John Phipps
B) Björn Kurtén
C) Carl Linnaeus
D) Theodore Knottnerus-Meyer
  • 20. What is the name of a proposed fossil subspecies of polar bear?
A) U. m. tyrannus
B) U. m. arctos
C) U. m. maritimus
D) U. m. albus-major
  • 21. Who posited the fossil subspecies U. m. tyrannus?
A) Constantine John Phipps
B) Björn Kurtén
C) Theodore Knottnerus-Meyer
D) Carl Linnaeus
  • 22. Is the polar bear considered monotypic?
A) Yes
B) No
C) Only in certain regions
D) Only when breeding with brown bears
  • 23. Which family does the polar bear belong to?
A) Mustelidae
B) Felidae
C) Ursidae
D) Canidae
  • 24. How many extant species are in the subfamily Ursinae, including polar bears?
A) Six
B) Five
C) Seven
D) Eight
  • 25. What type of study did Yu et al. (2007) use to propose a possible phylogeny for polar bears?
A) Genetic hybridization studies
B) Behavioral analysis
C) Complete mitochondrial DNA sequences
D) Fossil records
  • 26. Where was the oldest known polar bear fossil found?
A) Prince Charles Foreland, Norway
B) Alaska, USA
C) Greenland
D) Siberia, Russia
  • 27. What adaptation is associated with the fewer copies of amylase genes in polar bears?
A) Omnivorous diet
B) Herbivorous diet
C) Carnivorous, high-fat diet
D) Insectivorous diet
  • 28. What is the weight range for male polar bears?
A) 300–800 kg (660–1,760 lb)
B) 150–300 kg (330–660 lb)
C) 500–1,000 kg
D) 200–500 kg
  • 29. How much can a polar bear's mass increase due to fat?
A) 50 percent
B) 70 percent
C) 30 percent
D) 100 percent
  • 30. How many teeth do polar bears have?
A) 34–42
B) 40–48
C) 28–36
D) 30–38
  • 31. What adaptation allows polar bear fur to trap heat in water?
A) Fur has a scaly appearance
B) Guard hairs are hollow
C) Dense underfur is long
D) Outer surface forward scatters ultraviolet light
  • 32. What is the function of polar bear's black skin?
A) Absorbs heat
B) Provides camouflage
C) Prevents overheating
D) Traps warmth from fat layer
  • 33. What type of vision do polar bears have?
A) Monochromatic vision
B) Full UV spectrum vision
C) Dichromats, lacking cone cells for green wavelengths
D) Trichromats with full color vision
  • 34. Which of these regions is NOT part of the polar bear's range?
A) Alaska
B) Iceland
C) Russia
D) Greenland
  • 35. What type of mammal is a polar bear considered to be due to its dependence on the ocean?
A) Aerial mammal
B) Terrestrial mammal
C) Desert mammal
D) Marine mammal
  • 36. What is the term used for polar bears' preference for sea ice?
A) Pagophilic
B) Terraphilic
C) Aquaphilic
D) Xerophilic
  • 37. How many subpopulations of polar bears have been identified?
A) 5
B) At least 18
C) 10
D) 25
  • 38. What percentage of polar bears in the Chukchi and Beaufort seas now remain on land during summer?
A) 80–90%
B) 50–70%
C) 15–40%
D) 5–10%
  • 39. Which gene cluster includes polar bears from Greenland east to Siberia?
A) Eastern Basin
B) Canadian Archipelago
C) Southern Canadian
D) Western Basin
  • 40. What is the maximum area a polar bear may travel in a year?
A) 7.5 mi per day
B) 38,000 km2
C) 15,000 sq mi
D) 3,500 km2
  • 41. How long can polar bears typically swim without stopping?
A) 154.2 km
B) 95.8 mi
C) 6 km/h
D) 3.4 days
  • 42. What type of predator is the polar bear in the Arctic ecosystem?
A) Scavenger
B) Herbivore
C) Prey
D) Apex predator
  • 43. Which part of a seal do polar bears primarily consume for energy?
A) Blubber
B) Fins
C) Skin
D) Eggs
  • 44. How do polar bears typically hunt walrus groups?
A) Waiting for them to come ashore
B) Digging underwater tunnels
C) Provoking them into stampeding
D) Hunting in packs
  • 45. What type of social structure do polar bears typically exhibit?
A) Pack animals
B) Solitary
C) Colonial
D) Herding
  • 46. Which sound is produced by mother polar bears to communicate with their cubs?
A) Humming
B) Growling
C) Roaring
D) Chuffing
  • 47. What do adult male polar bears sometimes form with each other outside the breeding season?
A) Scavenger bands
B) Maternal groups
C) Dominance hierarchies
D) Stable alliances
  • 48. What do polar bears use to communicate chemically with each other?
A) Urine marks on trees
B) Vocal calls
C) Scent secreted from foot pads into tracks
D) Visual signals
  • 49. What is a rare but known behavior of polar bears regarding their prey?
A) Avoiding all other bears
B) Eating only plant material
C) Cannibalism
D) Hunting in packs
  • 50. What do polar bears primarily rely on for hunting success?
A) Stealth and camouflage
B) Speed in water
C) Raw power
D) Pack coordination
  • 51. What type of mating system do polar bears exhibit?
A) Hermaphroditism
B) Female-defence polygyny, serial monogamy or promiscuity
C) Polyandry
D) Strict monogamy
  • 52. What is a characteristic of polar bear courtship?
A) It is always peaceful
B) It involves singing
C) It can be somewhat aggressive
D) It includes building nests
  • 53. When do female polar bears build up fat reserves?
A) Before the mating season starts
B) After the mating season ends
C) During the summer months
D) In the spring
  • 54. What is a characteristic of polar bear maternity dens?
A) They have no ceiling
B) They are open to the sky
C) They are always below freezing
D) The temperature inside can be much higher than outside
  • 55. What is delayed implantation in polar bears?
A) Implantation happens during mating
B) No implantation occurs
C) Immediate implantation of the embryo
D) The fertilized embryo does not start development until fall
  • 56. How much do newborn polar bear cubs weigh?
A) Around 600 g (21 oz)
B) 10 kg (22 lb)
C) 5 kg (11 lb)
D) 1 kg (2.2 lb)
  • 57. When do polar bear cubs typically open their eyes?
A) Immediately after birth
B) After a month
C) After six months
D) They are born with open eyes
  • 58. What legal protection do polar bears receive in the United States?
A) They are protected only during certain seasons
B) There is no legal protection for polar bears in the US
C) They have been labelled as threatened under the US Endangered Species Act since 2008
D) Protection is limited to specific regions
  • 59. In which century is the first known written account of polar bears in their natural environment found?
A) 20th-century
B) 13th-century
C) 7th-century
D) 18th-century
  • 60. What did the Norwegian text Konungs skuggsjá describe polar bears as being skilled at?
A) flying
B) climbing
C) digging
D) swimming
  • 61. Which explorer accompanied Constantine Phipps on his 1773 voyage to the Arctic?
A) James Cook
B) Vitus Bering
C) John Franklin
D) Horatio Nelson
  • 62. Which publication by Comte de Buffon depicted a 'sea bear' and helped promote ideas about speciation?
A) A Voyage to Hudson's Bay
B) Histoire Naturelle
C) Konungs skuggsjá
D) Nihon Shoki
  • 63. Which Norsemen activity involved trading polar bear furs in the Middle Ages?
A) hunting
B) farming
C) trading
D) exploring
  • 64. What was considered too toxic to eat from polar bears?
A) meat
B) liver
C) fat
D) fur
  • 65. Which company sold an estimated 15,000 polar bear coats between the late 19th century and early 20th century?
A) Carnegie Steel Company
B) Royal Dutch Shell
C) Hudson's Bay Company
D) British East India Company
  • 66. What was a common depiction of polar bear rugs in Norwegian churches during the 13th and 14th centuries?
A) on the floors
B) hanging on walls
C) as tapestries
D) in altars
  • 67. Which explorer's account included a relatively accurate drawing of a polar bear?
A) Henry Ellis
B) Horatio Nelson
C) Comte de Buffon
D) Constantine Phipps
  • 68. How many polar bear attacks on humans were recorded from 1870 to 2014?
A) 100 attacks
B) 73 attacks
C) 30 attacks
D) 50 attacks
  • 69. What is the typical gender of polar bears that attack humans out of hunger?
A) Hungry males, typically subadults
B) Older males
C) Adult females
D) Females defending cubs
  • 70. Which bear species are more likely to attack humans near human settlements?
A) American black bears
B) Brown bears
C) Grizzly bears
D) Polar bears
  • 71. What innovative feature did Carl Hagenbeck introduce in polar bear exhibits?
A) Artificial snow and ice separated by moats
B) Settings that mimicked the animal's natural environment
C) Concrete platforms
D) Large cages with glass walls
  • 72. What medication was prescribed to a polar bear for stereotypical behavior?
A) Ibuprofen
B) Aspirin
C) Prozac
D) Melatonin
  • 73. Which circus director trained up to 75 polar bears for performances?
A) Circus Krone
B) Ursula Böttcher
C) Bostock and Wombwell Menagerie
D) Wilhelm Hagenbeck
  • 74. Which zoo exhibit was known as the 'Arctic Ring of Life'?
A) Philadelphia Zoo
B) Hellabrunn Zoo
C) Tierpark Hagenbeck
D) Detroit Zoo
  • 75. In Inuit culture, which deity is sometimes imagined as a giant polar bear?
A) Bjarndýrakóngur
B) Torngarsuk
C) Nuliajuk
D) Orion
  • 76. What is the name of the goddess associated with the creation of polar bears in Inuit culture?
A) Torngarsuk
B) Nuliajuk
C) Carmichael
D) Aurora
  • 77. In Inuit astronomy, which star cluster is conceived as a polar bear trapped by dogs?
A) Aldebaran
B) The Hyades
C) The Pleiades
D) Orion's Belt
  • 78. Which 14th-century manuscript features a man named Odd who kills and eats a polar bear?
A) Hauksbók
B) The Tale of Auðun of the West Fjords
C) An Inconvenient Truth
D) Carta marina
  • 79. Which 18th-century Icelandic writings mention the legend of a 'polar bear king'?
A) The writings feature the bjarndýrakóngur
B) Carta marina
C) Hauksbók
D) The Tale of Auðun of the West Fjords
  • 80. In which film was a simulated stabbing of a trained polar bear filmed for a scene?
A) His Dark Materials series
B) Igloo (1932)
C) The White Dawn (1974)
D) The Big Show (1961)
  • 81. Which organization created Aurora, a giant marionette polar bear for climate protests?
A) Greenpeace
B) World Wide Fund for Nature
C) National Geographic
D) Nissan
  • 82. What did the Copenhagen ice statue of a polar bear symbolize in 2009?
A) Global warming
B) Climate change awareness
C) Inuit culture
D) Polar bear conservation
  • 83. Which star represents hunters in Inuit astronomy?
A) The Pleiades
B) Aldebaran
C) The Hyades
D) Orion's Belt
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