Gharial
Gharial
  • 1. What is the scientific name of the Gharial?
A) Gavialis gangeticus
B) Alligator mississippiensis
C) Crocodylus acutus
D) Melanosuchus niger
  • 2. Where is the natural habitat of the Gharial primarily located?
A) India
B) Kenya
C) Brazil
D) Australia
  • 3. What type of diet does the Gharial primarily have?
A) Meat
B) Insects
C) Fish
D) Fruits
  • 4. How many species of Gharial exist in the wild today?
A) 2
B) 3
C) 4
D) 1
  • 5. What is the population status of Gharials in the wild?
A) Vulnerable
B) Endangered
C) Least Concern
D) Critically Endangered
  • 6. How long can Gharials remain submerged underwater?
A) Up to 2 hours
B) Up to 45 minutes
C) Up to an hour
D) Up to 30 minutes
  • 7. How does the Gharial maintain body temperature?
A) Underwater breathing
B) Burrowing underground
C) Basking in sun
D) Hibernating
  • 8. How does the Gharial hunt for its prey?
A) Scavenging
B) Ambush hunting
C) Chase and catch
D) Eagle swoop
  • 9. How does the Gharial communicate with other Gharials?
A) Telepathy
B) Vocalization and body language
C) Pheromones
D) Mimicking calls of other species
  • 10. What is the Gharial's preferred choice of basking sites?
A) Tree branches
B) Rocky outcrops
C) Grassy fields
D) Sandbanks
  • 11. To which family does the gharial belong?
A) Crocodylidae
B) Alligatoridae
C) Varanidae
D) Gavialidae
  • 12. How many sharp teeth do gharials have?
A) 50
B) 110
C) 80
D) 150
  • 13. Where did the gharial probably evolve?
A) Southern African region
B) Amazon Basin
C) Northern Indian subcontinent
D) Southeast Asia
  • 14. When do gharials mate?
A) At the end of the cold season
B) During the monsoon
C) Throughout the year
D) In spring
  • 15. How many eggs can a female gharial lay in her nest?
A) 20–95 eggs
B) 50–70 eggs
C) 5–10 eggs
D) 100–150 eggs
  • 16. When were the oldest known depictions of the gharial found?
A) About 500 years old
B) About 1,000 years old
C) About 10,000 years old
D) About 4,000 years old
  • 17. In which ancient civilization were the oldest depictions of the gharial found?
A) Egyptian
B) Mesopotamian
C) Minoan
D) Indus Valley
  • 18. Which deity's vehicle is the gharial considered to be in Hinduism?
A) Wind god Vayu
B) River deity Gaṅgā
C) Sun god Surya
D) War god Kṛṣṇa
  • 19. What percentage of its historical range does the gharial population currently occupy?
A) 50%
B) Only 2%
C) 90%
D) 75%
  • 20. Who proposed the scientific name Lacerta gangetica in 1789?
A) Georges Cuvier
B) Pierre Joseph Bonnaterre
C) Johann Friedrich Gmelin
D) Carl Linnaeus
  • 21. Which genus did Johann Gottlob Theaenus Schneider propose for the gharial in 1801?
A) Gavialis
B) Crocodilus arctirostris
C) Rhamphostoma
D) Crocodilus longirostris
  • 22. Who proposed the genus Gavialis in 1811?
A) François Marie Daudin
B) Johann Georg Wagler
C) Arthur Adams
D) Nicolaus Michael Oppel
  • 23. In which year did Georges Cuvier propose the subgroup Longirostres?
A) 1807
B) 1830
C) 1789
D) 1811
  • 24. Who proposed the family name Gavialidae in 1854?
A) Arthur Adams
B) Richard Lydekker
C) John Edward Gray
D) Albert Günther
  • 25. Which naturalist considered the gharial monotypic in 1869?
A) Nicolaus Michael Oppel
B) Richard Lydekker
C) Johann Friedrich Gmelin
D) John Edward Gray
  • 26. What was the name proposed by Richard Lydekker in 1886 based on a fossil skull from the Sivalik Hills?
A) Tomistoma schlegelii
B) Crocodilus gangeticus
C) Gharialis hysudricus
D) Rhamphostoma
  • 27. Which genus did Johann Georg Wagler propose in 1830?
A) Gavialis
B) Rhamphostoma
C) Crocodilus
D) Longirostres
  • 28. What route did the Gavialis use to disperse to Java during the Quaternary?
A) An overland migration path
B) The Himalayan route
C) A saltwater crossing route
D) The Siva–Malayan route
  • 29. Which period do fossil gharial remains in the Ayeyarwady River valley date to?
A) The Eocene
B) The Late Pleistocene
C) The Pliocene
D) The Early Miocene
  • 30. What percentage of similarity in mitochondrial DNA sequences supports the sister taxa view for gharial and false gharial?
A) 80%
B) 94%
C) 100%
D) 60%
  • 31. Which group is the gharial most closely related to according to molecular studies?
A) Alligatoroids
B) The false gharial
C) Nile crocodile
D) American alligator
  • 32. What unique feature do male gharials develop upon reaching sexual maturity?
A) Brightly colored scales
B) Longer tails
C) Webbed feet
D) A hollow bulbous nasal protuberance
  • 33. What is the average weight range for a mature male gharial?
A) 977 kg (2,154 lb)
B) 160 kg (350 lb)
C) 560 kg (1,230 lb)
D) 600–750 kg (1,320–1,650 lb)
  • 34. What sound can male gharials emit using their nasal protuberance?
A) A roaring sound
B) A hissing sound
C) A croaking sound
D) A whistling sound
  • 35. How does the weight of a 4.9 m long gharial compare to a 4.8 m long Nile crocodile?
A) The gharial weighs about 700 kg
B) The gharial weighs less, around 560 kg
C) The gharial weighs more, about 680 kg
D) Both weigh the same
  • 36. What is the length ratio of the adult gharial's snout to the width of its skull base?
A) 4 times longer
B) Equal in length
C) 3.5 times longer
D) 2 times longer
  • 37. What is the color of a gharial's belly?
A) Black
B) Dark brown
C) Yellowish-white
D) Olive-colored
  • 38. By what year was the gharial considered extinct in the Koshi River?
A) 1988
B) 1970
C) 2007
D) 2019
  • 39. What is the estimated global population of gharials as of 2019?
A) 500 individuals
B) 600 individuals
C) 900 individuals
D) 1000 individuals
  • 40. Which sanctuary in Nepal has a small recovering population of gharials?
A) Valmiki Tiger Reserve
B) Chitwan National Park
C) Corbett National Park
D) Bardia National Park
  • 41. How many gharials were released in the Ganges between 2009 and 2012?
A) 494
B) 700
C) 600
D) 300
  • 42. What was the estimated number of mature adults in the Gandaki River section from the Triveni barrage to the confluence with the Ganges?
A) 100 adults
B) 196 adults
C) 300 adults
D) 400 adults
  • 43. How many gharials were recorded in the National Chambal Sanctuary in 1974?
A) 150
B) 50
C) 200
D) 107
  • 44. How many gharials were released in the Son River between 1981 and 2011?
A) 164 captive-reared gharials
B) 250 captive-reared gharials
C) 200 captive-reared gharials
D) 100 captive-reared gharials
  • 45. How many hatchlings were counted at two nesting sites in the Parbati River in 2017?
A) 300
B) 150
C) 400
D) 251
  • 46. What is unique about the gharial's aquatic behavior compared to other crocodilians?
A) It spends more time on land than in water.
B) It can stay underwater for extended periods without surfacing.
C) It primarily hunts in saltwater environments.
D) It is the most thoroughly aquatic crocodilian.
  • 47. When do adult male and female gharials typically associate?
A) By mid February.
B) In the early spring.
C) Throughout the year without specific timing.
D) During the rainy season.
  • 48. Which other crocodilian shares riverine habitat with the gharial?
A) Nile crocodile.
B) American alligator.
C) Saltwater crocodile.
D) The mugger crocodile (Crocodylus palustris).
  • 49. What type of soil do gharials use to lay their eggs?
A) Grassy fields.
B) Rocky crevices in riverbanks.
C) Clayey soil away from water.
D) Sandy soil near water.
  • 50. What do juvenile gharials use to maneuver fish into their gullets?
A) Jerk their heads back
B) Bite and tear pieces
C) Swim in circles around the prey
D) Use their tails
  • 51. What unusual items have been found in gharial stomachs?
A) Jewellery
B) Fruits
C) Seeds
D) Plastic waste
  • 52. How far do reproductive female gharials move to join breeding groups?
A) 10–20 km (6–12 mi)
B) 80–120 km (50–75 mi)
C) 200–300 km (125–186 mi)
D) 500–600 km (310–373 mi)
  • 53. What triggers female gharials to dig up hatchlings?
A) Sight of predators
B) Temperature change
C) Hatching chirps
D) Rainfall
  • 54. Do captive male gharials participate in guarding nests?
A) Only during mating season
B) Yes, they always guard the nests
C) No, they generally do not
D) They only guard if there are no females present
  • 55. At what age do young gharials change to an adult pattern of locomotion?
A) 36 months
B) 8–9 months
C) 24 months
D) 12 months
  • 56. What is the body length range of gharials at three years?
A) 80–116 cm
B) 34–39.2 cm
C) 169–229 cm
D) 130–158 cm
  • 57. What is the body length range of gharials at 75 months?
A) 80–116 cm
B) 140–167 cm
C) 34–39.2 cm
D) 169–229 cm
  • 58. By how much did the gharial population decline from 1946 to 2006?
A) 50–60%
B) 85–90%
C) 75–80%
D) 96–98%
  • 59. Under which international agreement is the gharial listed?
A) IUCN Red List of Threatened Species
B) Montreal Protocol
C) Bonn Convention on Migratory Species
D) CITES Appendix I
  • 60. In which year was the Indian Crocodile Conservation Project established?
A) 2004
B) 1982
C) 1991
D) 1975
  • 61. From which zoo was a male gharial flown in to become part of the breeding program?
A) San Diego Zoo
B) London Zoo
C) Frankfurt Zoological Garden
D) Berlin Zoo
  • 62. What was the primary focus of gharial conservation since the late 1970s?
A) Legal protection
B) Pollution control
C) Habitat destruction
D) Reintroduction
  • 63. Which year marked the first confirmed sighting of gharials in Pakistan after a presumed absence?
A) 2004
B) 2023
C) 1998
D) 2017
  • 64. In which year were riverbanks of Girwa river cleared from woody vegetation?
A) 2018
B) 2020
C) 2021
D) 2019
  • 65. How many gharial nests were recorded on the Girwa river stretch in 2020?
A) 40
B) 30
C) 25
D) 36
  • 66. Where were gharial depictions found that date back to the 3rd century BC?
A) Pyramids of Giza
B) Sanchi Stupa
C) Great Wall of China
D) Stonehenge
  • 67. Which book by Zahir-ud-din Muhammad Babur mentions a gharial sighting?
A) Baburnama
B) Ramayana
C) Arthashastra
D) Mahabharata
  • 68. What local name is given to the gharial in Odia?
A) 'Nakar'
B) 'Susar'
C) 'Thantia kumhira'
D) 'Ghadiala'
  • 69. What does 'thantia' mean in Sanskrit, related to the Odia name for gharial?
A) Beak, snout, elephant's trunk
B) River, water, flow
C) Sun, light, warmth
D) Tree, leaf, branch
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