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Aquaculture Fundamentals

Science

An overview of sustainable fish farming and aquatic resource management.

biology aquaculture sustainability marine science

12 Questions Medium Ages 11+ Apr 7, 2026

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This study set covers Science through 12 practice questions. An overview of sustainable fish farming and aquatic resource management. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 12 questions from the Aquaculture Fundamentals study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 Which term describes the process of farming aquatic organisms such as fish, crustaceans, and mollusks?

A Hydroponics
B Aquaculture
C Pisciculture
D Mariculture

2 What is the primary purpose of an 'aquaponics' system?

A To farm algae for biofuel
B To raise fish and grow plants together in a symbiotic environment
C To desalinate ocean water for irrigation
D To clean plastic waste from coral reefs

3 In aquaculture, what is meant by the term 'feed conversion ratio' (FCR)?

A The weight of feed given compared to the weight gained by the animal
B The speed at which fish consume their food
C The amount of protein in fish feed
D The frequency of feeding times per day

4 Which of the following is a common environmental concern associated with open-net pen aquaculture?

A Increased ocean depth
B The spread of parasites or disease to wild fish populations
C Reduction of water salinity
D Decreased oxygen levels in the atmosphere

5 Which shellfish is commonly grown on ropes or trestles in Australian coastal waters?

A Blue mussels
B Giant clams
C Mud crabs
D Sea urchins

6 What is a 'recirculating aquaculture system' (RAS) designed to do?

A Release fish into the wild
B Filter and reuse water within the farm
C Heat water using solar power
D Catch wild fish for human consumption

7 Which of these is a major input required to successfully farm carnivorous fish like salmon?

A Fishmeal and fish oil
B Only vegetable scraps
C Saltwater only
D Artificial sunlight

8 What is the role of an aerator in an aquaculture pond?

A To remove fish waste from the bottom
B To increase the concentration of dissolved oxygen in the water
C To lower the water temperature
D To act as a physical barrier against predators

9 Which of these aquatic organisms is an example of an 'extractive' species, often grown to improve water quality by filtering nutrients?

A Atlantic salmon
B Whiteleg shrimp
C Pacific oyster
D Barramundi

10 What defines 'mariculture' within the broader field of aquaculture?

A Farming species in freshwater lakes
B Farming species exclusively in the deep sea
C Farming marine organisms in seawater environments
D Farming organisms in laboratory settings only

11 In aquaculture, what does the term 'broodstock' refer to?

A Fish that are ready for market sale
B The adult fish used for breeding purposes
C The juvenile fish transferred to grow-out tanks
D The plant life used to filter the water

12 Why is water quality monitoring essential in fish farming?

A To ensure the fish reach market size faster
B To prevent the build-up of toxic ammonia and nitrites
C To make the fish meat taste like vegetables
D To keep the water clear for photography

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