Lemur - Test
Lemur
  • 1. What type of animal is a Lemur?
A) Reptile
B) Mammal
C) Bird
D) Primate
  • 2. Where are lemurs native to?
A) Brazil
B) Japan
C) Madagascar
D) Australia
  • 3. What is the typical diet of a lemur?
A) Fish
B) Fruits and leaves
C) Seeds and nuts
D) Meat
  • 4. Which type of lemurs are known for their distinctive black and white tails?
A) Indri Lemurs
B) Ring-tailed Lemurs
C) Red Ruffed Lemurs
D) Aye-aye Lemurs
  • 5. Which is the largest living lemur species?
A) Aye-aye
B) Sifaka
C) Indri
D) Ruffed Lemur
  • 6. Lemurs are diurnal, meaning they are most active during?
A) Dawn and Dusk
B) Nighttime
C) Twilight
D) Daytime
  • 7. What is the main threat to lemurs in the wild?
A) Predators
B) Climate change
C) Disease
D) Habitat loss
  • 8. What is a group of lemurs called?
A) Flock
B) Troop
C) Herd
D) Pod
  • 9. What is the origin of the name 'lemur'?
A) From Latin 'lemures', meaning 'ghosts, spirits of the dead'
B) Derived from Malagasy language, meaning 'tree climber'
C) From Greek 'lemuros', meaning 'forest dweller'
D) Named after a famous explorer named Lemur
  • 10. What is a common trait of extinct 'giant lemurs'?
A) They were larger than living lemur species, with some as large as gorillas.
B) All giant lemurs lived in water.
C) Giant lemurs had no tails.
D) Giant lemurs could fly.
  • 11. What type of metabolic rate do lemurs have?
A) Lemurs lack a basal metabolic rate.
B) Their metabolic rate is variable and unpredictable.
C) Lemurs have a high basal metabolic rate.
D) They have a relatively low basal metabolic rate.
  • 12. What type of breeding do lemurs exhibit?
A) Breeding occurs year-round without any specific pattern.
B) Males dominate during the breeding season.
C) Lemurs breed only once in their lifetime.
D) They exhibit seasonal breeding with female social dominance.
  • 13. How many species of lemurs can coexist in the same forest?
A) All lemur species can coexist without conflict.
B) Only one species can live in a given forest.
C) Two species may coexist due to different diets.
D) No two species of lemurs can share the same habitat.
  • 14. Who is credited with giving lemurs their name?
A) Gregor Mendel
B) Carl Linnaeus
C) Louis Pasteur
D) Charles Darwin
  • 15. What is the current name for Lemur volans?
A) Cynocephalus volans
B) Lemur catta
C) Daubentonia madagascariensis
D) Indri indri
  • 16. To which suborder do lemurs belong?
A) Haplorhini
B) Strepsirrhini
C) Tarsiiformes
D) Simiiformes
  • 17. From which early primates are modern strepsirrhines traditionally thought to have evolved?
A) Adapiforms
B) Simians
C) Tarsiers
D) Lorisoids
  • 18. What specialized arrangement of teeth do nearly all living strepsirrhines possess that adapiforms lack?
A) Bilophodont molars
B) Honing complex
C) Canine tusks
D) Toothcomb
  • 19. What is the name of the hypothesis that explains the colonization of Madagascar by lemurs through random rafting events?
A) Sweepstakes hypothesis
B) Continental drift hypothesis
C) Land bridge theory
D) Island hopping hypothesis
  • 20. What was the minimum width of the Mozambique Channel that ancestral lemurs had to cross?
A) 750 km (466 mi)
B) 1000 km (620 mi)
C) 560 km (350 mi)
D) 300 km (186 mi)
  • 21. Who first noted that the mammalian biodiversity on Madagascar could be accounted for by random rafting events?
A) William Diller Matthew
B) Charles Darwin
C) Richard Owen
D) George Gaylord Simpson
  • 22. What was the estimated duration of the rafting trip from Africa to Madagascar around 60 million years ago?
A) 6 months
B) 1 year
C) 30 days or less
D) 100 days
  • 23. By what time had the window for oceanic dispersal of lemurs to Madagascar closed?
A) 10 million years ago
B) 5 million years ago
C) 20 million years ago
D) 50 million years ago
  • 24. Which of the following traits is NOT mentioned as an adaptation to Madagascar's climate?
A) Cathemerality
B) Hypometabolism
C) Nocturnal vision enhancement
D) Seasonal fat storage
  • 25. What agricultural practice contributed to habitat destruction for lemurs?
A) Aquaculture
B) Shifting cultivation
C) Terrace farming
D) Slash-and-burn agriculture (tavy)
  • 26. How much of Madagascar's area do lemurs now inhabit?
A) 75%
B) 25%
C) 50%
D) ~10%
  • 27. Which lemur trait is associated with female social dominance?
A) Nocturnal activity
B) Sexual monomorphism
C) High encephalization
D) Large group sizes
  • 28. Which infraorder contains all living strepsirrhines in one taxonomy?
A) Lorisiformes
B) Strepsirrhini
C) Lemuriformes
D) Chiromyiformes
  • 29. Which genus was once debated as a primate, rodent, or marsupial?
A) Indri
B) Daubentonia
C) Propithecus
D) Lemur
  • 30. What is the relationship between sportive lemurs and koala lemurs according to genetic studies?
A) Not closely related
B) Closely related
C) Subspecies of each other
D) Identical
  • 31. What is the main reason for critics of increasing lemur species numbers?
A) Ecological stability
B) Genetic uniformity
C) Morphological similarity
D) Taxonomic inflation
  • 32. Which lemur is known for having continuously growing, rodent-like front teeth?
A) The sportive lemur
B) The aye-aye
C) The indri
D) The red-bellied lemur
  • 33. What unique feature does the aye-aye use to extract food from tiny holes?
A) A long tongue
B) Large ears
C) Toilet-claw
D) A highly mobile, filiform middle finger
  • 34. Which lemur species has a specialized digestive system for folivory?
A) Hairy-eared dwarf lemurs
B) Mouse lemurs
C) Sportive lemurs
D) Indriids
  • 35. Which trait is common among lemurs but not found in New World monkeys?
A) A laterally compressed, elongated nail called a toilet-claw on the second toe
B) Prehensile tail
C) Fully fused mandible bones
D) Postorbital closure
  • 36. Which organ do lemurs use to detect pheromones?
A) The auditory canal
B) The olfactory bulb
C) The vomeronasal organ
D) The rhinarium
  • 37. What is the function of the hairy-eared dwarf lemur's long tongue?
A) Detecting hollow spaces within trees
B) Gnawing through wood
C) Feeding on nectar
D) Extracting food from tiny holes
  • 38. Which extinct lemur species rivaled the gorilla in size?
A) The diademed sifaka
B) Archaeoindris fontoynonti
C) The indri
D) The aye-aye
  • 39. What is the term for the two-horned uterus found in lemurs?
A) Monocorneate
B) Tricornuate
C) Multicornuate
D) Bicornuate
  • 40. What is the brain-to-body mass ratio of lemurs compared to other primates?
A) Average
B) Large
C) Small
D) Variable
  • 41. What is a characteristic feature of lemur enamel compared to anthropoid primates?
A) Same thickness as anthropoids
B) No enamel
C) Thinner tooth enamel
D) Thicker tooth enamel
  • 42. What dietary habit is linked to the low metabolic rate of the red-tailed sportive lemur?
A) Generally folivorous diet.
B) Carnivorous diet.
C) Frugivorous diet.
D) Insectivorous diet.
  • 43. Which behavioral adaptation do lemurs use to reduce heat loss?
A) Increased nocturnal activity.
B) Isolation from group members.
C) Reduced movement during the day.
D) Sunning behaviors.
  • 44. What aspect of lemur behavior is as variable as their morphology?
A) Metabolic rate.
B) Behavior.
C) Diet.
D) Habitat preference.
  • 45. Which type of diet is least common among lemurs?
A) Granivory (seed predation)
B) Frugivory (fruit consumption)
C) Folivory (leaf eating)
D) Omnivory (eating both plants and animals)
  • 46. Which type of plant material do lemurs rarely consume due to high tannin content?
A) Ferns
B) Bamboo
C) Grasses
D) Mangroves
  • 47. Which lemur species is known to eat soil from termite mounds?
A) Coquerel's giant mouse lemurs
B) Golden bamboo lemurs
C) Ring-tailed lemurs
D) Sifakas
  • 48. Which social organization pattern is most common among diurnal lemurs?
A) Fission-fusion
B) Solitary but social
C) Multi-male groups
D) Pair bonds
  • 49. What type of social system do ruffed lemurs exhibit?
A) Fission-fusion societies
B) Multi-male groups
C) Solitary but social
D) Pair bonds
  • 50. What behavior is associated with female social dominance in lemurs?
A) Male migration upon maturity
B) Increased maternal investment
C) Decreased grooming frequency
D) Solitary foraging at night
  • 51. How do male crowned lemurs act when females are aggressive?
A) Become more aggressive
B) Act submissively
C) Leave the group
D) Ignore the aggression
  • 52. What is a passive form of mate guarding used by male lemurs?
A) Territorial marking
B) Copulatory plugs
C) Vocal challenges
D) Physical combat
  • 53. Which behavior is part of ritualized defense in sifakas?
A) Vocalizing during the day
B) Scent-marking
C) Foraging alone at night
D) Sharing nests with other females
  • 54. What is female philopatry in the context of lemurs?
A) Neither sex migrates.
B) Both sexes migrate to new areas.
C) Females stay within their natal range while males migrate upon reaching maturity.
D) Males stay within their natal range while females migrate.
  • 55. Which hypothesis explains female dominance in lemurs by linking it to high reproductive costs?
A) The dominant view in the literature
B) Hypothesis based on male aggression
C) A new hypothesis using simple game theory
D) Hypothesis explaining monomorphism
  • 56. What is a characteristic of nocturnal lemurs' social behavior?
A) Exhibiting pair bonds
B) Living in large, cohesive groups
C) Foraging alone at night but often nesting in groups during the day.
D) Migrating seasonally
  • 57. Which activity pattern is unique to larger lemurs?
A) Hibernation
B) Diurnality
C) Nocturnality
D) Cathemerality
  • 58. What term was initially used to describe the activity of true lemurs?
A) Crepuscular
B) Cathemeral
C) Nocturnal
D) Diurnal
  • 59. Which anthropologist coined the term 'cathemeral'?
A) Ian Tattersall
B) Charles Darwin
C) Dian Fossey
D) Jane Goodall
  • 60. How long can dwarf lemurs hibernate continuously?
A) Five months
B) Six to eight days
C) One month
D) Two weeks
  • 61. Which lemur species is known for its 'dance-hop' movement when crossing large distances on the ground?
A) Indriids
B) Ruffed lemurs
C) Verreaux's sifaka
D) Ring-tailed lemur
  • 62. What type of communication is least used by lemurs due to their limited facial muscles?
A) Visual signals
B) Olfactory signals
C) Tactile communication
D) Vocalizations
  • 63. What is the term used for when one individual or group starts a loud call and others join in?
A) Alarm calling
B) Contagious calling
C) Mating calls
D) Territorial marking
  • 64. What type of communication involves reaching out and touching another individual as a submissive behavior?
A) Tactile communication
B) Olfactory communication
C) Visual communication
D) Vocal communication
  • 65. What is the name of the locomotor behavior where lemurs leap rapidly from tree trunk to tree trunk?
A) Partially terrestrial quadrupedal locomotion
B) Ricochetal leaping
C) Slow arboreal quadrupedal locomotion
D) Sloth-like suspensory locomotion
  • 66. Which type of lemur communication is particularly important for species that rarely encounter each other?
A) Tactile communication
B) Olfaction
C) Vocalizations
D) Visual signals
  • 67. What type of locomotion was once exhibited by sloth lemurs such as Palaeopropithecus?
A) Vertical clinging and leaping
B) Highly terrestrial quadrupedal locomotion
C) Fast arboreal quadrupedal locomotion
D) Sloth-like suspensory locomotion
  • 68. What type of locomotion is exhibited by the ring-tailed lemur?
A) Partially terrestrial quadrupedal locomotion
B) Sloth-like suspensory locomotion
C) Vertical clinging and leaping
D) Slow arboreal quadrupedal locomotion
  • 69. What is the primary purpose of allogrooming among higher ranking individuals?
A) Attracting mates
B) Managing agonistic interactions
C) Avoiding predators
D) Finding food sources
  • 70. What type of locomotion is exhibited by Mesopropithecus?
A) Vertical clinging and leaping
B) Slow (loris-like) arboreal quadrupedal locomotion
C) Fast arboreal quadrupedal locomotion
D) Sloth-like suspensory locomotion
  • 71. Which type of mating system is indicated by males developing enlarged testes and sperm plugs in mouse lemurs?
A) Scramble competition polygyny
B) Monogamy
C) Promiscuity
D) Pair bonding
  • 72. What is the gestation period range for most lemurs?
A) 3 months
B) 18–24 weeks
C) 9 weeks
D) 6 months
  • 73. Which predator is known to prey on smaller lemurs, usually 100 g or less?
A) Owls
B) Fossa
C) Crocodiles
D) Madagascar harrier-hawk
  • 74. Which extinct predator is known to have preyed on lemurs?
A) The Madagascar buzzard
B) The ring-tailed lemur
C) The golden bamboo lemur
D) The giant Malagasy crowned eagle (Stephanoaetus mahery)
  • 75. Who was the first westerner known to describe a giant (now extinct) lemur?
A) Philibert Commerçon
B) George Edwards
C) Étienne de Flacourt
D) James Petiver
  • 76. In which year did Étienne de Flacourt describe at least seven lemur species?
A) 1771
B) 1658
C) 1751
D) 1608
  • 77. Which French merchant is credited with describing and illustrating the mongoose lemur in London?
A) Alfred Grandidier
B) Étienne de Flacourt
C) George Edwards
D) James Petiver
  • 78. Who was responsible for standardizing the modern form of lemur taxonomic nomenclature in 1931?
A) John Edward Gray
B) Alphonse Milne-Edwards
C) Ernst Schwarz
D) Albert Günther
  • 79. What year marked the beginning of Jean-Jacques Petter and Arlette Petter-Rousseaux's survey of Madagascar's lemur species?
A) 1975
B) 1956
C) 1962
D) 1980
  • 80. Which naturalist founded the Duke Lemur Center in 1966?
A) Elwyn L. Simons
B) Alison Jolly
C) John Buettner-Janusch
D) David Attenborough
  • 81. Who introduced lemurs to the West with a commercial film in 1960?
A) David Attenborough
B) John Buettner-Janusch
C) Jean-Jacques Petter
D) Alison Jolly
  • 82. What type of research involves studying lemurs in their natural habitats?
A) Genomic research
B) Laboratory research
C) In-situ research
D) Ex situ research
  • 83. What is one of the research topics studied at the Duke Lemur Center involving lemur cognition?
A) Tool preference based on functional qualities
B) Diet and social behavior
C) Social groupings and reproduction
D) Transitive reasoning
  • 84. Which century saw an explosion of new lemur descriptions and names?
A) 18th century
B) 19th century
C) 17th century
D) 20th century
  • 85. What percentage of lemur species were listed as critically endangered by the IUCN as of 2005?
A) 8%
B) 16%
C) 25%
D) 23%
  • 86. Which organization lists lemurs on Appendix I, prohibiting trade except for scientific purposes?
A) IUCN
B) WWF
C) Conservation International
D) CITES
  • 87. What percentage of Madagascar's population lives in poverty?
A) 90%
B) Nearly 70%
C) 30%
D) 50%
  • 88. What is the estimated percentage of lemur species that should be listed as threatened on the IUCN Red List?
A) 50%
B) 90%
C) 70%
D) 30%
  • 89. What is the estimated percentage of Madagascar's land area that is protected?
A) 30%
B) 3%
C) 10%
D) 20%
  • 90. Which lemur species does not survive well in captivity, making them rare in zoos?
A) Ring-tailed lemurs
B) Mouse lemurs
C) Sikafas
D) Indris
  • 91. Which facility is a free-range, private lemur exhibit southwest of Antananarivo?
A) Duke Lemur Center
B) Lemurs' Park
C) Myakka City Lemur Reserve
D) Parc Ivoloina
  • 92. What is the term used in Malagasy culture for taboos related to lemurs?
A) Babakoto
B) Fady
C) Ambiroa
D) Ancestor
  • 93. How is the aye-aye generally viewed across Madagascar?
A) As a symbol of good luck.
B) Almost universally unfavorably.
C) As a beloved pet.
D) With indifference.
  • 94. What is believed to happen if a pregnant woman eats a dwarf lemur?
A) Her baby will get its beautiful, round eyes.
B) She will become ill.
C) The baby will be born with wings.
D) The baby will have no eyes.
  • 95. On which network did the children's television series Zoboomafoo air?
A) National Geographic
B) Animal Planet
C) Discovery Channel
D) Public Broadcasting Service (PBS)
  • 96. In which year did 'Lemur Kingdom' first air on Animal Planet?
A) 2005
B) 2010
C) 2008
D) 2006
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