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