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