Chinese Water Dragon - Test
  • 1. What is the scientific name of the Chinese Water Dragon?
A) Physignathus cocincinus
B) Varanus salvator
C) Chameleo calyptratus
D) Anolis carolinensis
  • 2. What do Chinese Water Dragons primarily eat in the wild?
A) Seeds
B) Meat
C) Insects and small fish
D) Fruits and vegetables
  • 3. What is the typical lifespan of a Chinese Water Dragon in captivity?
A) Over 30 years
B) 5-8 years
C) 10-15 years
D) 20-25 years
  • 4. What is the predominant color of a Chinese Water Dragon's body?
A) Green
B) Red
C) Blue
D) Brown
  • 5. How do Chinese Water Dragons shed their skin?
A) All at once
B) By molting
C) Not at all
D) In pieces
  • 6. Which of the following is a common health issue in Chinese Water Dragons?
A) Vision loss
B) Respiratory infection
C) Metabolic bone disease
D) Heart attack
  • 7. Which of the following is a sign of a healthy Chinese Water Dragon?
A) Lethargy
B) Dull scales
C) Clear eyes
D) Overgrown claws
  • 8. How many toes do Chinese Water Dragons have on each foot?
A) 3
B) 6
C) 4
D) 5
  • 9. What should be included in a Chinese Water Dragon's diet to prevent nutritional deficiencies?
A) High protein only
B) Variety of insects and greens
C) Just fruits
D) Vegetables only
  • 10. What is a potential consequence of improper humidity levels for Chinese Water Dragons?
A) Respiratory problems
B) Brighter coloration
C) Increased appetite
D) Fast growth
  • 11. What are some common names for Physignathus cocincinus?
A) Chinese water dragon
B) Thai forest gecko
C) Australian water lizard
D) Vietnamese tree snake
  • 12. How are Chinese water dragons adapted for their environment?
A) They are semi-arboreal, roosting at night on branches overlooking streams.
B) They burrow underground to escape predators.
C) They swim in open oceans.
D) They live exclusively on the forest floor.
  • 13. What is a primary source of food for Chinese water dragons?
A) Fruits and berries
B) Fish
C) Mammals
D) Arthropods
  • 14. How do female Chinese water dragons typically reproduce?
A) By laying unfertilized eggs
B) Through external fertilization
C) Sexually
D) Asexually through budding
  • 15. What is a known method of reproduction in captive Chinese water dragons?
A) Fragmentation
B) Binary fission
C) Spore formation
D) Parthenogenesis
  • 16. Which lizard is anatomically and ecologically similar to Physignathus cocincinus?
A) The Komodo dragon
B) The chameleon
C) The Australian water dragon (Intellagama lesueurii)
D) The green iguana
  • 17. Why are Chinese water dragons sold as pets?
A) They have medicinal properties
B) Because they are easy to breed in captivity
C) Due to their charismatic appearance.
D) They can mimic human speech
  • 18. What is another threat to Chinese water dragons besides overharvesting?
A) Competition with invasive plant species
B) Habitat loss due to conversion into cropland or illegal logging.
C) Pollution from industrial waste
D) Increased predation by domestic animals
  • 19. What is the conservation status of Chinese water dragons?
A) Endangered
B) Vulnerable
C) Least Concern
D) Extinct in the Wild
  • 20. Who first described the species and genus Physignathus cocincinus?
A) Charles Darwin
B) Georges Cuvier
C) Carl Linnaeus
D) Gregor Mendel
  • 21. What is the average number of live Chinese water dragons exported annually to the European Union from 2010 to 2018?
A) Around 15,000
B) Around 10,000
C) Around 7,000
D) Around 5,000
  • 22. What is the behavior of captive male water dragons towards each other?
A) Friendly
B) Very tolerant
C) Very aggressive
D) Indifferent
  • 23. What percentage decline did the species experience in Cambodia over 18 years?
A) 30%
B) 40%
C) 20%
D) 50%
  • 24. What was the estimated decline rate for the species as a whole every 18 years based on given estimates?
A) 50%
B) 40%
C) 30%
D) 20%
  • 25. Which gender of Chinese water dragons is more territorial?
A) Juveniles
B) Males
C) Both equally
D) Females
  • 26. What feature is absent in Chinese water dragons unlike anoles and iguanas?
A) Dewlap
B) Femoral pores
C) Enlarged scales
D) Tympanum
  • 27. Where is the Chinese water dragon exceedingly rare despite its name?
A) Laos
B) China
C) Vietnam
D) Cambodia
  • 28. What is the maximum weight of male Chinese water dragons?
A) 1 kg
B) 0.6 kg (1.3 lbs)
C) 0.8 kg
D) 0.4 kg
  • 29. What was the original spelling error for Physignathus cocincinus?
A) 'Physignatus cocincinus'
B) 'Physignathus cochinensis'
C) 'Phyhignat,us cocincinus'
D) 'Physhignathus cocincinus'
  • 30. Where was the first reported introduced population of Chinese water dragons in Hong Kong?
A) Lantau Island
B) Kowloon Peninsula
C) Tsing Yi Island
D) Hong Kong Island
  • 31. Which district experiences less population decline of water dragons due to lesser habitat pressures?
A) Nam Dong district
B) Phong Dien district
C) A Luoi district
D) Thua Thien Hue district
  • 32. What is the average humidity level suitable for Chinese water dragons?
A) 50–70%
B) 40–80%
C) 20–50%
D) 30–60%
  • 33. When did exports of Chinese water dragons to Europe begin?
A) 2000
B) 1990
C) 1980
D) 1975
  • 34. In which city in Taiwan has a breeding population of Chinese water dragons been established since 2010?
A) New Taipei City
B) Kaohsiung City
C) Taichung City
D) Taipei City
  • 35. Where are water dragon skins and leather traded?
A) Exported
B) Disposed of as waste
C) Used exclusively for traditional medicine
D) Only sold locally
  • 36. In which month were juveniles most common in Thua Thien Hue?
A) April
B) June
C) August
D) July
  • 37. By what percentage is the entire Vietnamese population estimated to have declined over a decade as of 2007?
A) 50%
B) 30%
C) 10%
D) 20%
  • 38. What is the maximum total length that male Chinese water dragons can grow to?
A) 100 cm
B) 90 cm (3.0 ft)
C) 120 cm
D) 70 cm
  • 39. What is the conservation status of the Chinese water dragon in Thailand?
A) Endangered
B) Vulnerable
C) Critically Endangered
D) Least Concern
  • 40. How long can the tail of a Chinese water dragon be in relation to its total body length?
A) 60%
B) 50% or less
C) Exceeding 70%
D) 80%
  • 41. What is the origin of the epithet 'cocincinus'?
A) It was named after a famous herpetologist.
B) It refers to a region in Australia.
C) It is derived from a Latin word meaning 'green lizard'.
D) It comes from the French term Cocincine, for Cochin-china (Vietnam).
  • 42. What happened to other species that were once placed in the genus Physignathus?
A) They became extinct.
B) They have been reclassified into separate genera.
C) They evolved into new species.
D) They remained unchanged.
  • 43. In which year was the Chinese water dragon listed on CITES Appendix II?
A) 2017
B) 2022
C) 2023
D) 2020
  • 44. What proportion of the population do adults make up in disturbed areas of Northern Vietnam?
A) Less than 10%
B) All
C) As much as a third
D) Half
  • 45. What percentage of Chinese water dragons exported to the European Union came from Vietnam between 2010 and 2018?
A) Approximately 89%
B) 75%
C) 50%
D) 100%
  • 46. Is Physignathus cocincinus the only agamid known to reproduce via parthenogenesis?
A) It's a common trait
B) Only in captivity
C) No, many do
D) Yes
  • 47. Is there direct evidence that captive breeding programs for Chinese water dragons are operational in Vietnam?
A) No
B) Yes, they are widely documented.
C) Only partially, with some documentation.
D) They exist but are not effective.
  • 48. What type of areas do Chinese water dragons avoid?
A) Urban parks
B) Forests
C) Streams
D) Orchards
  • 49. What threatens Chinese water dragons in China?
A) Dam construction
B) Predation by large mammals
C) Disease outbreaks
D) Urban development only
  • 50. What type of diet do Chinese water dragons have?
A) Insectivorous
B) Omnivorous
C) Carnivorous
D) Herbivorous
  • 51. What is the average territory size of Chinese water dragons in Hong Kong?
A) About 2500 m²
B) About 1000 m²
C) About 3000 m²
D) About 1800 m²
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