question_answer 65)

  Give the merits and demerits of fish culture?

Answer:

  Merits of Fish Culture (i) Quality and quantity of desired fishes can be increased. (ii) Fishes are cheap source of animal protein thus increases quality of food. (iii) Export of fishes bring foreign currency. Demerits of Fish Culture  (i) It is a threat to biodiversity. (ii) Only economically important and valued fishes will be cultured,