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