- 1. Aquaculture, also known as aquafarming, is the farming of aquatic organisms such as fish, crustaceans, mollusks, and aquatic plants. It involves cultivating freshwater and saltwater populations under controlled conditions for commercial purposes. Aquaculture plays a crucial role in meeting the increasing global demand for seafood, as wild fish stocks are being depleted. By raising and harvesting aquatic species in sustainable and responsible ways, aquaculture helps ensure food security, creates employment opportunities, and supports economic development in various regions around the world. Additionally, aquaculture can provide a more environmentally friendly alternative to traditional fishing practices, as it can reduce the pressure on wild fish populations and minimize habitat destruction. However, aquaculture operations must be managed carefully to prevent negative impacts on the environment, such as water pollution and disease transmission. With proper planning, regulation, and technological advancements, aquaculture can continue to play a significant role in contributing to the global food supply while promoting environmental sustainability.
Which of the following is a form of aquaculture?
A) Forestry
B) Fish farming
C) Mining
D) Construction
- 2. What is the process of breeding and rearing aquatic organisms in controlled environments known as?
A) Ornithology
B) Horticulture
C) Entomology
D) Aquaculture
- 3. Which type of water system is commonly used in aquaculture to control water quality parameters?
A) Open water system
B) Recirculating aquaculture system
C) Hydroponic system
D) Desalination system
- 4. Why is the proper management of feed crucial in aquaculture?
A) Minimizes energy consumption
B) Maximizes water evaporation
C) Optimizes fish coloration
D) Ensures fish health and growth
- 5. Aerators are used in aquaculture for what purpose?
A) Improving oxygen levels in water
B) Enhancing fish growth
C) Increasing water turbidity
D) Lowering water temperature
- 6. Which environmental factor is critical for successful aquaculture production?
A) Solar radiation
B) Air pressure
C) Water quality
D) Soil composition
- 7. What role does genetics play in modern aquaculture practices?
A) Increasing waste production
B) Improving growth rates and disease resistance
C) Enhancing visual appeal
D) Reducing water consumption
- 8. What is the term for the practice of raising marine species in tanks or enclosures?
A) Mountain culture
B) Savannah culture
C) Jungle culture
D) Mariculture
- 9. Which species is commonly raised through aquaculture?
A) Lion
B) Elephant
C) Giraffe
D) Salmon
- 10. What is another term for aquaculture?
A) Mariculture
B) Pisciculture
C) Aquafarming
D) Algaculture
- 11. What is the reported global aquaculture output in tonnes for 2019?
A) 50 million tonnes
B) 200 million tonnes
C) Over 120 million tonnes
D) 75 million tonnes
- 12. What percentage of marine animal species have been domesticated as of 2007?
A) 0.08%
B) 0.13%
C) 97%
D) 50%
- 13. How long does it typically take to domesticate an aquatic species?
A) A few years
B) About a decade
C) Over two decades
D) Several months
- 14. What was the impact of banning organotins by the International Maritime Organization in 2008?
A) A decrease in aquaculture production
B) An increase in marine pollution
C) The end of aquaculture
D) The need to find environmentally friendly antifouling compounds
- 15. What is a potential future development in the field of aquaculture?
A) Elimination of all marine species farming
B) Return to wild fisheries
C) Reliance on microorganisms
D) Complete automation of fish farms
- 16. What is the relative GDP contribution range of aquaculture and capture fisheries combined?
A) 0.01 to 10%
B) 1 to 5%
C) 20 to 30%
D) 50%
- 17. Why is singling out aquaculture's GDP contribution difficult?
A) It contributes more than capture fisheries
B) Due to lack of data
C) Because it is negligible
D) Data is too abundant
- 18. What percentage of known land plant species have been domesticated?
A) 0.08%
B) 10%
C) 97%
D) 50%
- 19. How many marine species were domesticated in the decade to 2007?
A) 1000
B) 430
C) 106
D) 50
- 20. What is a challenge in producing new natural compounds for aquaculture on a large scale?
A) It is almost impossible
B) It requires no research
C) It is already fully achieved
D) It is very easy
- 21. What was the optimism at the outset of modern aquaculture?
A) No significant changes expected
B) The end of wild fisheries
C) A 'Blue Revolution' similar to the Green Revolution
D) A decline in seafood demand
- 22. What is a risk associated with domesticating land animals compared to marine species?
A) Land animals are easier to domesticate
B) No risks are involved in either
C) Land animals took a large toll on human lives through diseases
D) Marine species are more dangerous
- 23. What is the estimated percentage of known marine plant species that have been domesticated?
A) 50%
B) 10%
C) 0.17%
D) 97%
- 24. What percentage of total aquatic plant production was attributed to aquaculture in 2016?
A) 50.7 percent
B) 96.5 percent
C) 85.3 percent
D) 75.2 percent
- 25. Which type of algae constitutes the majority of cultivated algae?
A) Microalgae
B) Seaweed
C) Macroalgae
D) Kelp
- 26. Which fish species is most commonly farmed worldwide?
A) Carp
B) Tilapia
C) Salmon
D) Catfish
- 27. Which method involves raising fish in a hatchery and then releasing them into marine waters for further development?
A) Sea ranching
B) Cage system
C) Fish farming
D) Aquaculture
- 28. What is the primary method used in salmon-farming to aid maturation of juveniles?
A) Ponds with natural feed
B) Landlocked tanks without feeding
C) Open ocean release
D) Netted cages with special food mixture
- 29. In which region are young bluefin tuna netted at sea and towed towards the shore for farming?
A) Indian Ocean
B) Mediterranean
C) South Pacific
D) North Atlantic
- 30. What material is sometimes used to make offshore pens for bluefin tuna in the Mediterranean?
A) Wooden planks
B) Steel wire mesh
C) Floating HDPE pipe
D) Concrete blocks
- 31. Where were southern bluefin tuna first coaxed to breed in landlocked tanks?
A) Japan
B) South Africa
C) Norway
D) Australia
- 32. In which decade did commercial shrimp farming begin?
A) 1990s
B) 1970s
C) 1980s
D) 2000s
- 33. What percentage of farmed shrimp is produced in Asia?
A) 60%
B) 50%
C) 75%
D) 85%
- 34. Which country is the largest exporter of shrimp?
A) Thailand
B) Brazil
C) China
D) Vietnam
- 35. What program was initiated in 1999 to promote sustainable farming practices?
A) World Wildlife Fund
B) Global Aquaculture Alliance
C) Aquaculture Dialogues
D) Seafood Watch program
- 36. Why are copper alloy nets preferred over other materials?
A) They are lighter and easier to handle.
B) They avoid costly net changes by preventing biofouling.
C) They allow for faster fish growth.
D) They are more transparent underwater.
- 37. Which of the following species has increased in numbers due to ecosystem enrichment at Flinders Bay?
A) Clownfish
B) Grouper
C) Tuna
D) Dhufish
- 38. How many separate concrete units called abitats are used in the Flinders Bay ranch?
A) 3000
B) 5000
C) 7000
D) 10000
- 39. Which of these is NOT one of the Five Freedoms?
A) Freedom from predators
B) Freedom to express normal behaviour
C) Freedom from fear and distress
D) Freedom from hunger and thirst
- 40. Who is considered the founder of artificial fish-rearing?
A) Stephan Ludwig Jacobi
B) Stephen Ainsworth
C) W. W. Fletcher
D) Seth Green
- 41. What organization advises guidelines for animal welfare in farming?
A) Marine Conservation Society
B) Aquatic Life Protection Agency
C) International Fishery Organization
D) Farm Animal Welfare Council
- 42. Which type of injectable vaccine was more efficient than water-based ones for furunculosis?
A) Gel-based
B) Water-based
C) Saline-based
D) Oil-based
- 43. Which material is known for its antimicrobial properties in aquaculture?
A) Copper alloys
B) Polyester
C) Nylon
D) Rubber
- 44. In which year did global aquaculture production first surpass capture fisheries in aquatic animal production?
A) 2022
B) 2016
C) 2014
D) 2019
- 45. How many vaccines are currently available for aquaculture, excluding lobsters?
A) 30
B) 18
C) 24
D) 19
- 46. How many abalone can each abitat host in the Flinders Bay ranch?
A) 200
B) 400
C) 600
D) 800
- 47. What is a negative effect of high fish waste concentrations from in-ocean aquaculture?
A) Damaging or eliminating bottom-dwelling life
B) Improving water quality
C) Enhancing habitat niches
D) Increasing dissolved oxygen levels
- 48. In which city has salmon aquaculture become a major export in southern Chile?
A) Puerto Montt
B) Valparaíso
C) Santiago
D) Antofagasta
- 49. Which of the following is a variation of the IMTA concept?
A) Systems that do not use water transfer.
B) Aquaponics.
C) Monoculture systems without any integration.
D) Traditional polyculture with no trophic level diversity.
- 50. How much water can a single oyster filter per day?
A) 15 gallons
B) 5 gallons
C) 10 gallons
D) 20 gallons
- 51. What type of fish did the ancient Egyptians farm around 1500 BCE?
A) Common carp
B) Salmon
C) Gilt-head bream
D) Trout
- 52. Which organization has experimented with grain-based feeds for farmed trout?
A) USDA
B) FAO
C) EPA
D) FDA
- 53. What is the term for freshwater farming of crayfish?
A) Mollusciculture
B) Pisciculture
C) Astaciculture
D) Ostraculture
- 54. Which country produced about 370,000 tonnes of Chinese river crab in 2007?
A) Brazil
B) Vietnam
C) Thailand
D) China
- 55. What is the focus of welfare efforts in aquaculture?
A) Vertebrates, particularly finfish
B) Only on shellfish
C) Exclusively on marine plants
D) All marine organisms equally
- 56. Which country uses a subunit vaccine (VP2 peptide) against infectious pancreatic necrosis?
A) Norway
B) Canada
C) Japan
D) USA
- 57. Which type of shellfish aquaculture is considered benign or beneficial?
A) Cephalopods
B) Bivalve molluscs
C) Crustaceans
D) Echinoderms
- 58. What is the most cost-efficient method of preventing infectious diseases in aquaculture according to the text?
A) Chemotherapy
B) Antibiotics
C) DNA-vaccines
D) Traditional vaccines
- 59. When was the first vaccine used in the USA against enteric red mouth?
A) 1976
B) 2000
C) 1990
D) 1985
- 60. In which year did the United Nations release a report titled 'The State of the World Fisheries and Aquaculture'?
A) 2016
B) 2020
C) 2014
D) 2018
- 61. What was the estimated first-sale value of global aquaculture production in 2016?
A) $312.8 billion
B) $244 billion
C) $274 billion
D) $86 billion
- 62. What can aggravate the problem of sediment from abandoned aquaculture farms?
A) Removing salt
B) Covering with soil
C) Diluting with water
D) Adding lime
- 63. What was the value of the aquaculture market in 2009?
A) $274 billion
B) $244 billion
C) $312.8 billion
D) $86 billion
- 64. What was the effect on phytoplankton biomass following the initiation of the experimental farm?
A) Fourfold annual increase
B) Halved annually
C) Remained stable
D) Decreased by half
- 65. What did China's Agriculture Ministry's Bureau of Fisheries claim about their aquaculture figures?
A) The figures were not available.
B) The figures were completely incorrect.
C) The figures showed a decline in production.
D) The figures were 'basically correct'.
- 66. What is the average annual growth rate of aquaculture?
A) 9.2%
B) 7.8%
C) 5.4%
D) 12.3%
- 67. What is the name of the artificial reef used in Flinders Bay, Western Australia for abalone ranching?
A) Marine pods
B) Abitats
C) Aquabeds
D) Ocean nests
- 68. What environmental issue can result from aquaculture in inland waters if not managed properly?
A) More environmental damage than wild fisheries
B) No impact on local ecosystems
C) Introduction of beneficial species
D) Less waste produced per kg on a global scale
- 69. What does the IPCC recommend regarding seaweed farming?
A) Further research attention as a mitigation tactic
B) Immediate large-scale implementation
C) Reduction in research funding
D) Complete abandonment of the practice
- 70. By what year did the FIFO ratio for salmon fall to 4.9?
A) 2020
B) 2012
C) 2006
D) 1995
- 71. What is a benefit of product diversification in IMTA?
A) Increased reliance on single species production.
B) Risk reduction.
C) Higher short-term individual species yield.
D) Decreased economic stability.
- 72. Which of the following is not a reason for selecting netting materials?
A) Material strength
B) Design feasibility
C) Aesthetic appeal
D) Cost
- 73. What can happen when escaped farmed fish become invasive?
A) Decreasing competition for resources
B) Improving local ecosystems
C) Out-competing native species
D) Increasing biodiversity
- 74. What percentage of aquaculture workers were in Asia in 2022?
A) 75%
B) 65%
C) 95%
D) 85%
- 75. What is a harmful consequence of nutrient enrichment from sea cage aquaculture?
A) Decreased water temperature
B) Harmful algal blooms
C) Increased fish populations
D) Reduced salinity levels
- 76. What is the weight of each abitat used in the Flinders Bay ranch?
A) 1200 kg
B) 500 kg
C) 1500 kg
D) 900 kg
- 77. How many hectares of Indonesian mangroves have been converted to shrimp farms over four decades?
A) 150,000 hectares
B) 500,000 hectares
C) 300,000 hectares
D) 269,000 hectares
- 78. What is one of the societal expectations for cleaner fish in aquaculture?
A) Higher reproduction rates
B) Security
C) Reduced feed consumption
D) Increased growth rates
- 79. Which type of vaccine is authorized in the EU but not used due to societal concerns and regulations?
A) DNA vaccines
B) Subunit vaccines
C) Genetically modified vaccines
D) mRNA vaccines
- 80. In which century did oyster-farming begin along the Atlantic Coast of North America?
A) 19th century
B) 17th century
C) 20th century
D) 18th century
- 81. Which country is known for the oldest aquaculture practice of Gim cultivation?
A) Egypt
B) Korea
C) China
D) Japan
- 82. What organization co-founded the Aquaculture Stewardship Council with the Dutch Sustainable Trade Initiative in 2009?
A) Global Aquaculture Alliance
B) World Wildlife Fund (WWF)
C) Seafood Watch
D) Aquaculture Dialogues
- 83. Which of the following is not a farmed species in mariculture?
A) Channel catfish
B) Shrimp
C) Salmon
D) Oysters
- 84. What is a potential benefit of IMTA for social acceptability?
A) Increased reliance on chemical fertilizers.
B) Higher short-term production of individual species.
C) Better management practices.
D) Exclusive focus on economic stability.
- 85. What is the primary feed source for abalone in the Flinders Bay ranch?
A) Grain-based feed
B) Algae pellets
C) Seaweed
D) Fish meal
- 86. What was the annual growth rate of aquaculture harvests in China between 1980 and 1997?
A) 16.7%
B) 8%
C) 5.8%
D) 10%
- 87. Which material is not mentioned as a netting material for aquaculture?
A) Polyester
B) Copper
C) Silk
D) Nylon
- 88. What type of plastic is most frequently documented as marine debris from aquaculture?
A) Low-density polyethylene
B) Expanded polystyrene (EPS)
C) High-density polyethylene
D) Polyethylene terephthalate
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