- 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) Mining
B) Construction
C) Fish farming
D) Forestry
- 2. What is the process of breeding and rearing aquatic organisms in controlled environments known as?
A) Aquaculture
B) Horticulture
C) Entomology
D) Ornithology
- 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) Optimizes fish coloration
B) Maximizes water evaporation
C) Ensures fish health and growth
D) Minimizes energy consumption
- 5. Aerators are used in aquaculture for what purpose?
A) Enhancing fish growth
B) Improving oxygen levels in water
C) Increasing water turbidity
D) Lowering water temperature
- 6. Which environmental factor is critical for successful aquaculture production?
A) Solar radiation
B) Water quality
C) Air pressure
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) Savannah culture
B) Mariculture
C) Mountain culture
D) Jungle culture
- 9. Which species is commonly raised through aquaculture?
A) Giraffe
B) Elephant
C) Salmon
D) Lion
- 10. What is another term for aquaculture?
A) Algaculture
B) Pisciculture
C) Aquafarming
D) Mariculture
- 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) 50%
B) 0.13%
C) 0.08%
D) 97%
- 13. How long does it typically take to domesticate an aquatic species?
A) A few years
B) Over two decades
C) Several months
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) A decrease in aquaculture production
D) An increase in marine pollution
- 15. What is a potential future development in the field of aquaculture?
A) Elimination of all marine species farming
B) Complete automation of fish farms
C) Return to wild fisheries
D) Reliance on microorganisms
- 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) Data is too abundant
B) Due to lack of data
C) Because it is negligible
D) It contributes more than capture fisheries
- 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) 50
C) 106
D) 430
- 20. What is a challenge in producing new natural compounds for aquaculture on a large scale?
A) It is almost impossible
B) It is already fully achieved
C) It requires no research
D) It is very easy
- 21. What was the optimism at the outset of modern aquaculture?
A) The end of wild fisheries
B) No significant changes expected
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 took a large toll on human lives through diseases
B) No risks are involved in either
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) 10%
C) 50%
D) 0.17%
- 24. What percentage of total aquatic plant production was attributed to aquaculture in 2016?
A) 85.3 percent
B) 50.7 percent
C) 75.2 percent
D) 96.5 percent
- 25. Which type of algae constitutes the majority of cultivated algae?
A) Seaweed
B) Microalgae
C) Macroalgae
D) Kelp
- 26. Which fish species is most commonly farmed worldwide?
A) Carp
B) Catfish
C) Tilapia
D) Salmon
- 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) Sea ranching
D) Cage system
- 28. What is the primary method used in salmon-farming to aid maturation of juveniles?
A) Open ocean release
B) Netted cages with special food mixture
C) Landlocked tanks without feeding
D) Ponds with natural feed
- 29. In which region are young bluefin tuna netted at sea and towed towards the shore for farming?
A) Mediterranean
B) North Atlantic
C) Indian Ocean
D) South Pacific
- 30. What material is sometimes used to make offshore pens for bluefin tuna in the Mediterranean?
A) Wooden planks
B) Concrete blocks
C) Floating HDPE pipe
D) Steel wire mesh
- 31. Where were southern bluefin tuna first coaxed to breed in landlocked tanks?
A) Australia
B) Japan
C) South Africa
D) Norway
- 32. In which decade did commercial shrimp farming begin?
A) 1980s
B) 2000s
C) 1970s
D) 1990s
- 33. What percentage of farmed shrimp is produced in Asia?
A) 50%
B) 75%
C) 60%
D) 85%
- 34. Which country is the largest exporter of shrimp?
A) Brazil
B) Vietnam
C) China
D) Thailand
- 35. What program was initiated in 1999 to promote sustainable farming practices?
A) Seafood Watch program
B) Aquaculture Dialogues
C) Global Aquaculture Alliance
D) World Wildlife Fund
- 36. Why are copper alloy nets preferred over other materials?
A) They avoid costly net changes by preventing biofouling.
B) They are more transparent underwater.
C) They are lighter and easier to handle.
D) They allow for faster fish growth.
- 37. Which of the following species has increased in numbers due to ecosystem enrichment at Flinders Bay?
A) Dhufish
B) Grouper
C) Clownfish
D) Tuna
- 38. How many separate concrete units called abitats are used in the Flinders Bay ranch?
A) 3000
B) 10000
C) 5000
D) 7000
- 39. Which of these is NOT one of the Five Freedoms?
A) Freedom from fear and distress
B) Freedom to express normal behaviour
C) Freedom from hunger and thirst
D) Freedom from predators
- 40. Who is considered the founder of artificial fish-rearing?
A) Seth Green
B) Stephen Ainsworth
C) W. W. Fletcher
D) Stephan Ludwig Jacobi
- 41. What organization advises guidelines for animal welfare in farming?
A) Marine Conservation Society
B) International Fishery Organization
C) Aquatic Life Protection Agency
D) Farm Animal Welfare Council
- 42. Which type of injectable vaccine was more efficient than water-based ones for furunculosis?
A) Oil-based
B) Gel-based
C) Water-based
D) Saline-based
- 43. Which material is known for its antimicrobial properties in aquaculture?
A) Nylon
B) Polyester
C) Copper alloys
D) Rubber
- 44. In which year did global aquaculture production first surpass capture fisheries in aquatic animal production?
A) 2016
B) 2014
C) 2022
D) 2019
- 45. How many vaccines are currently available for aquaculture, excluding lobsters?
A) 24
B) 30
C) 19
D) 18
- 46. How many abalone can each abitat host in the Flinders Bay ranch?
A) 800
B) 400
C) 600
D) 200
- 47. What is a negative effect of high fish waste concentrations from in-ocean aquaculture?
A) Enhancing habitat niches
B) Increasing dissolved oxygen levels
C) Improving water quality
D) Damaging or eliminating bottom-dwelling life
- 48. In which city has salmon aquaculture become a major export in southern Chile?
A) Santiago
B) Puerto Montt
C) Valparaíso
D) Antofagasta
- 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) Aquaponics.
D) Traditional polyculture with no trophic level diversity.
- 50. How much water can a single oyster filter per day?
A) 10 gallons
B) 5 gallons
C) 15 gallons
D) 20 gallons
- 51. What type of fish did the ancient Egyptians farm around 1500 BCE?
A) Salmon
B) Trout
C) Gilt-head bream
D) Common carp
- 52. Which organization has experimented with grain-based feeds for farmed trout?
A) EPA
B) USDA
C) FDA
D) FAO
- 53. What is the term for freshwater farming of crayfish?
A) Ostraculture
B) Astaciculture
C) Pisciculture
D) Mollusciculture
- 54. Which country produced about 370,000 tonnes of Chinese river crab in 2007?
A) Brazil
B) China
C) Vietnam
D) Thailand
- 55. What is the focus of welfare efforts in aquaculture?
A) All marine organisms equally
B) Exclusively on marine plants
C) Only on shellfish
D) Vertebrates, particularly finfish
- 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) Bivalve molluscs
B) Echinoderms
C) Cephalopods
D) Crustaceans
- 58. What is the most cost-efficient method of preventing infectious diseases in aquaculture according to the text?
A) Antibiotics
B) DNA-vaccines
C) Chemotherapy
D) Traditional vaccines
- 59. When was the first vaccine used in the USA against enteric red mouth?
A) 1985
B) 1976
C) 2000
D) 1990
- 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) 2018
D) 2014
- 61. What was the estimated first-sale value of global aquaculture production in 2016?
A) $86 billion
B) $244 billion
C) $274 billion
D) $312.8 billion
- 62. What can aggravate the problem of sediment from abandoned aquaculture farms?
A) Covering with soil
B) Removing salt
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) Decreased by half
B) Halved annually
C) Fourfold annual increase
D) Remained stable
- 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 were completely incorrect.
C) The figures showed a decline in production.
D) The figures were not available.
- 66. What is the average annual growth rate of aquaculture?
A) 12.3%
B) 7.8%
C) 9.2%
D) 5.4%
- 67. What is the name of the artificial reef used in Flinders Bay, Western Australia for abalone ranching?
A) Aquabeds
B) Marine pods
C) Abitats
D) Ocean nests
- 68. What environmental issue can result from aquaculture in inland waters if not managed properly?
A) Less waste produced per kg on a global scale
B) More environmental damage than wild fisheries
C) No impact on local ecosystems
D) Introduction of beneficial species
- 69. What does the IPCC recommend regarding seaweed farming?
A) Complete abandonment of the practice
B) Reduction in research funding
C) Further research attention as a mitigation tactic
D) Immediate large-scale implementation
- 70. By what year did the FIFO ratio for salmon fall to 4.9?
A) 2012
B) 2020
C) 1995
D) 2006
- 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) Aesthetic appeal
C) Cost
D) Design feasibility
- 73. What can happen when escaped farmed fish become invasive?
A) Decreasing competition for resources
B) Increasing biodiversity
C) Out-competing native species
D) Improving local ecosystems
- 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) Increased fish populations
B) Reduced salinity levels
C) Decreased water temperature
D) Harmful algal blooms
- 76. What is the weight of each abitat used in the Flinders Bay ranch?
A) 1500 kg
B) 900 kg
C) 1200 kg
D) 500 kg
- 77. How many hectares of Indonesian mangroves have been converted to shrimp farms over four decades?
A) 500,000 hectares
B) 150,000 hectares
C) 300,000 hectares
D) 269,000 hectares
- 78. What is one of the societal expectations for cleaner fish in aquaculture?
A) Increased growth rates
B) Security
C) Higher reproduction rates
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) Subunit vaccines
C) DNA vaccines
D) Genetically modified vaccines
- 80. In which century did oyster-farming begin along the Atlantic Coast of North America?
A) 19th century
B) 20th century
C) 18th century
D) 17th century
- 81. Which country is known for the oldest aquaculture practice of Gim cultivation?
A) Japan
B) Egypt
C) Korea
D) China
- 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) Salmon
B) Oysters
C) Shrimp
D) Channel catfish
- 84. What is a potential benefit of IMTA for social acceptability?
A) Better management practices.
B) Exclusive focus on economic stability.
C) Increased reliance on chemical fertilizers.
D) Higher short-term production of individual species.
- 85. What is the primary feed source for abalone in the Flinders Bay ranch?
A) Seaweed
B) Grain-based feed
C) Fish meal
D) Algae pellets
- 86. What was the annual growth rate of aquaculture harvests in China between 1980 and 1997?
A) 10%
B) 8%
C) 5.8%
D) 16.7%
- 87. Which material is not mentioned as a netting material for aquaculture?
A) Silk
B) Copper
C) Nylon
D) Polyester
- 88. What type of plastic is most frequently documented as marine debris from aquaculture?
A) Polyethylene terephthalate
B) Expanded polystyrene (EPS)
C) Low-density polyethylene
D) High-density polyethylene
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