Cambridge IGCSE · Marine Science (0697)

Aquaculture: Practice Questions

5 multiple-choice questions marked as you go, and 4 written questions with worked solutions. All on Aquaculture.

9 questions21 marksFree, no account

Question 1

1 mark

According to the syllabus, which group of marine organisms includes mussels and oysters that are produced through aquaculture as a source of food?

Question 2

1 mark

Which statement correctly compares the management of open aquaculture systems and closed aquaculture systems?

Question 3

1 mark

In large-scale open-cage salmon aquaculture, what is a primary environmental impact associated with the use of high-protein pelleted feed?

Question 4

1 mark

Which of the following is an example of an "open" aquaculture system used for producing fish?

Question 5

1 mark

Which management practice is most effective at reducing the risk of a rapid disease outbreak in a high-intensity shrimp aquaculture system?

Question 6

2 marks

Identify two specific groups of molluscs that are commonly produced through aquaculture for food.

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Question 7

3 marks

Why is maintaining a high water flow rate essential in a closed aquaculture tank system?

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Question 8

4 marks

Successful aquaculture requires the careful monitoring of various environmental factors to ensure the health and growth of the stock.

(a) List three abiotic (non-living) conditions that must be maintained at specific levels for the species being farmed. (3 marks)

(b) State one reason why fish farmers might use antibiotics in an aquaculture system. (1 mark)

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Question 9

7 marks

Aquaculture is often proposed as a solution to overfishing, but it requires careful management of biological and environmental factors.

(a) Compare open and closed aquaculture systems, providing an example of each. (3 marks)

(b) Describe two management techniques used in fish farms to improve productivity and prevent loss of stock. (2 marks)

(c) Explain how the selection of broodstock contributes to the efficiency of an aquaculture operation. (2 marks)

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