1) give the economic importance of silkworm. 2) give the economic importance of prawn fishery
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Answer:
Economic importance of silkworm
1. Rearing of silkworm on a commercial scale is called sericultre.
2. It is an agro-based industry comprising of
1. – Cultivation of food plants for the silkworms.
2. – Rearing of silkworms.
3. – Reeling and spinning of silk.
3. Silk fibres are utilized in preparing silk clothes.
4. Silk is used in industries and for military purposes.
5. Silk is used in the manufacture of fishing fibres, parachutes, cartridge bags, insulation coils for telephone, wireless receivers, tyres of racing cars, filter fibres, in medical dressings and as suture materials.
Economic importance of prawn fishery:
1.Prawn is a very tasty proteinaceous food.
2. Economic growth can be achieved by pran culture.
3. It is profitable to cultivate prawns in fresh water at a low cost.
4. A lot of scientific techniques have now been found which helps to get a good yield of prawns.
5. The export of prawn can also bring a lot of foreign currency to the country.
I hope it is helpful
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