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