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