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