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WAEC Agricultural Science 1991 (August) Question 50

Question 50

Fisheries and Aquaculture

Temperature is an important factor which is monitored in fish ponds because

  1. A.it determines the feeding rate of fishes
  2. B.its fluctuation retards fish reproduction
  3. C.it affects the metabolic processes in fish
  4. D.it decreases the reaction of fishes to other water organisms
  5. E.it reduces the effect of decaying materials in ponds.
Show the answer and explanation

Answer: C (it affects the metabolic processes in fish)

Explanation

Fish are cold-blooded, so water temperature controls their body processes (metabolism).