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WAEC Agricultural Science 1998 Question 53

Question 53

Fisheries and Aquaculture

Cow dung is usually added to a fish pond in order to encourage the growth of

  1. A.lichen and mosses
  2. B.phytoplankton and zooplankton
  3. C.celosia and amaranthus
  4. D.shallot and lily
  5. E.lettuce and cabbage.
Show the answer and explanation

Answer: B (phytoplankton and zooplankton)

Explanation

Manure fertilises the pond, so plankton (fish food) grow.