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Polar Bears - Exam
Contributed by: Prior
  • 1. Polar bears primarily inhabit which region?
A) Sahara Desert
B) Amazon Rainforest
C) The Arctic
D) Antarctica
  • 2. What is the main diet of polar bears?
A) Grass
B) Berries
C) Fish
D) Seals
  • 3. How do polar bears stay warm in their cold environment?
A) Constantly moving
B) Thick fur and a layer of fat
C) Hibernating
D) Wearing clothes
  • 4. How many layers of fur do polar bears have?
A) One
B) Two
C) Three
D) Four
  • 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 20 miles (32 km)
B) Up to 5 miles (8 km)
C) Up to 100 miles (160 km)
D) Up to 50 miles (80 km)
  • 7. How do polar bears catch seals?
A) Climbing trees
B) By waiting near breathing holes in the ice
C) Using fishing nets
D) Chasing them on land
  • 8. Polar bear cubs usually stay with their mother for how long?
A) 6 months
B) 3 years
C) 2 years
D) 1 year
  • 9. What is the biggest threat to polar bears today?
A) Hunting by humans
B) Climate change
C) Predators like wolves
D) Lack of food
  • 10. What is the scientific name of the polar bear?
A) Ursus thibetanus
B) Ursus maritimus
C) Ursus americanus
D) Ursus arctos
  • 11. Which species is the polar bear closely related to?
A) Brown bear
B) Grizzly bear
C) Asiatic black bear
D) Sloth bear
  • 12. What is the conservation status of polar bears according to the IUCN?
A) Vulnerable
B) Endangered
C) Least Concern
D) Critically Endangered
  • 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) isbjørn
D) anguraq
  • 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) Carl Linnaeus
B) Thomas Pennant
C) Constantine John Phipps
D) Theodore Knottnerus-Meyer
  • 17. In which year did Carl Linnaeus first classify the polar bear?
A) 1774
B) 1773
C) 1758
D) 1964
  • 18. Who formally described the polar bear as a distinct species?
A) Thomas Pennant
B) Carl Linnaeus
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) Carl Linnaeus
C) Theodore Knottnerus-Meyer
D) Björn Kurtén
  • 20. What is the name of a proposed fossil subspecies of polar bear?
A) U. m. albus-major
B) U. m. maritimus
C) U. m. arctos
D) U. m. tyrannus
  • 21. Who posited the fossil subspecies U. m. tyrannus?
A) Theodore Knottnerus-Meyer
B) Constantine John Phipps
C) Carl Linnaeus
D) Björn Kurtén
  • 22. Is the polar bear considered monotypic?
A) Yes
B) Only in certain regions
C) No
D) Only when breeding with brown bears
  • 23. Which family does the polar bear belong to?
A) Felidae
B) Ursidae
C) Canidae
D) Mustelidae
  • 24. How many extant species are in the subfamily Ursinae, including polar bears?
A) Seven
B) Six
C) Eight
D) Five
  • 25. What type of study did Yu et al. (2007) use to propose a possible phylogeny for polar bears?
A) Complete mitochondrial DNA sequences
B) Genetic hybridization studies
C) Fossil records
D) Behavioral analysis
  • 26. Where was the oldest known polar bear fossil found?
A) Greenland
B) Prince Charles Foreland, Norway
C) Alaska, USA
D) Siberia, Russia
  • 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) 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) 50 percent
B) 100 percent
C) 70 percent
D) 30 percent
  • 30. How many teeth do polar bears have?
A) 30–38
B) 34–42
C) 40–48
D) 28–36
  • 31. What adaptation allows polar bear fur to trap heat in water?
A) Guard hairs are hollow
B) Fur has a scaly appearance
C) Outer surface forward scatters ultraviolet light
D) Dense underfur is long
  • 32. What is the function of polar bear's black skin?
A) Absorbs heat
B) Prevents overheating
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) In the spring
D) During the summer months
  • 35. What is the maximum area a polar bear may travel in a year?
A) 7.5 mi per day
B) 15,000 sq mi
C) 38,000 km2
D) 3,500 km2
  • 36. How many polar bear attacks on humans were recorded from 1870 to 2014?
A) 30 attacks
B) 50 attacks
C) 100 attacks
D) 73 attacks
  • 37. What is a rare but known behavior of polar bears regarding their prey?
A) Cannibalism
B) Eating only plant material
C) Avoiding all other bears
D) Hunting in packs
  • 38. Which circus director trained up to 75 polar bears for performances?
A) Wilhelm Hagenbeck
B) Circus Krone
C) Ursula Böttcher
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) on the floors
B) hanging on walls
C) as tapestries
D) in altars
  • 40. How long can polar bears typically swim without stopping?
A) 3.4 days
B) 95.8 mi
C) 6 km/h
D) 154.2 km
  • 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) Stealth and camouflage
B) Speed in water
C) Raw power
D) Pack coordination
  • 43. How do polar bears typically hunt walrus groups?
A) Digging underwater tunnels
B) Hunting in packs
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) Aurora
B) Torngarsuk
C) Carmichael
D) Nuliajuk
  • 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) There is no legal protection for polar bears in the US
C) They are protected only during certain seasons
D) Protection is limited to specific regions
  • 46. Which sound is produced by mother polar bears to communicate with their cubs?
A) Roaring
B) Humming
C) Chuffing
D) Growling
  • 47. How many subpopulations of polar bears have been identified?
A) 10
B) 25
C) At least 18
D) 5
  • 48. Which Norsemen activity involved trading polar bear furs in the Middle Ages?
A) hunting
B) exploring
C) farming
D) trading
  • 49. Which company sold an estimated 15,000 polar bear coats between the late 19th century and early 20th century?
A) British East India Company
B) Royal Dutch Shell
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) 7th-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) Terrestrial mammal
C) Aerial mammal
D) Marine 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) 1 kg (2.2 lb)
C) Around 600 g (21 oz)
D) 5 kg (11 lb)
  • 54. What did the Copenhagen ice statue of a polar bear symbolize in 2009?
A) Inuit culture
B) Climate change awareness
C) Polar bear conservation
D) Global warming
  • 55. What is the typical gender of polar bears that attack humans out of hunger?
A) Older males
B) Adult females
C) Hungry males, typically subadults
D) Females defending cubs
  • 56. What was considered too toxic to eat from polar bears?
A) meat
B) fat
C) liver
D) fur
  • 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) Vocal calls
B) Urine marks on trees
C) Scent secreted from foot pads into tracks
D) Visual signals
  • 59. Which explorer accompanied Constantine Phipps on his 1773 voyage to the Arctic?
A) Horatio Nelson
B) John Franklin
C) James Cook
D) Vitus Bering
  • 60. What medication was prescribed to a polar bear for stereotypical behavior?
A) Ibuprofen
B) Prozac
C) Aspirin
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) Nissan
D) Greenpeace
  • 62. Which of these regions is NOT part of the polar bear's range?
A) Russia
B) Alaska
C) Greenland
D) Iceland
  • 63. What do adult male polar bears sometimes form with each other outside the breeding season?
A) Dominance hierarchies
B) Stable alliances
C) Scavenger bands
D) Maternal groups
  • 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) 50–70%
D) 5–10%
  • 65. What is a characteristic of polar bear courtship?
A) It can be somewhat aggressive
B) It is always peaceful
C) It includes building nests
D) It involves singing
  • 66. What is a characteristic of polar bear maternity dens?
A) They have no ceiling
B) They are open to the sky
C) The temperature inside can be much higher than outside
D) They are always below freezing
  • 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) The Tale of Auðun of the West Fjords
B) Carta marina
C) An Inconvenient Truth
D) Hauksbók
  • 69. What innovative feature did Carl Hagenbeck introduce in polar bear exhibits?
A) Artificial snow and ice separated by moats
B) Large cages with glass walls
C) Concrete platforms
D) Settings that mimicked the animal's natural environment
  • 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) The Tale of Auðun of the West Fjords
B) The writings feature the bjarndýrakóngur
C) Carta marina
D) Hauksbók
  • 72. What did the Norwegian text Konungs skuggsjá describe polar bears as being skilled at?
A) digging
B) climbing
C) flying
D) swimming
  • 73. What type of predator is the polar bear in the Arctic ecosystem?
A) Prey
B) Scavenger
C) Herbivore
D) Apex predator
  • 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. What is the term used for polar bears' preference for sea ice?
A) Pagophilic
B) Terraphilic
C) Xerophilic
D) Aquaphilic
  • 76. What type of mating system do polar bears exhibit?
A) Strict monogamy
B) Hermaphroditism
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) A Voyage to Hudson's Bay
B) Konungs skuggsjá
C) Nihon Shoki
D) Histoire Naturelle
  • 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) Canadian Archipelago
B) Eastern Basin
C) Western Basin
D) Southern Canadian
  • 81. In Inuit astronomy, which star cluster is conceived as a polar bear trapped by dogs?
A) The Hyades
B) Aldebaran
C) The Pleiades
D) Orion's Belt
  • 82. Which explorer's account included a relatively accurate drawing of a polar bear?
A) Comte de Buffon
B) Henry Ellis
C) Horatio Nelson
D) Constantine Phipps
  • 83. Which star represents hunters in Inuit astronomy?
A) Aldebaran
B) The Hyades
C) Orion's Belt
D) The Pleiades
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