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