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