9th Class Science Improvement in food resources Question Bank 9th CBSE Science Improvement in food resources

  • question_answer
      Give the merits and demerits of fish culture.

    Answer:

                      Demerits: (i) Threat to biodiversity, (ii) only economically important and valued fishes will be cultured. Merits: (ii) Large amount of desired fishes can be obtained in small area, (ii) improvement can be done.


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