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Food production

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Question 71

A cooperative of fish farmers has constructed several freshwater ponds to cultivate tilapia.

a.

Describe how the farmers can maintain optimum dissolved oxygen levels and prevent the pond water from becoming stagnant.

[2]
b.

Explain two different methods the farmers can use to protect the tilapia from being eaten by predators.

[2]
c.

Suggest two measures the farmers can take to prevent the outbreak and spread of diseases in the ponds.

[2]
d.

Explain how the farmers should manage the feeding of the tilapia to ensure rapid growth while preventing water pollution.

[2]

Food production Questions

  1. IGCSE
  2. /Biology
  3. /Food production