Give the economic importance of fishery. - Biology

Answer in Brief

Give the economic importance of fishery.



Economic importance of fishes:

  1. Fishes are caught, processed, raised, and marketed under fisheries. It provides good job opportunities and self-employment.
  2. Culturing fishes on a large scale in ponds, lakes, and reservoirs boost the productivity and economy of the nation.
  3. Fishes are a source of nutritious food as they are rich in proteins, vitamins (A, D, and K), carbohydrates, fats, and minerals.
  4. They also yield a number of by-products that hold commercial value.
  5. The by-products obtained from fishes include fish oil, fish meal, fertilizers, fish guano, fish glue, and isinglass, which are widely used in paints, soaps, oils, and medicines.
  6. Prawns and lobsters have a market value all over the world.
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Chapter 11: Enhancement of Food Production - Exercises [Page 270]


Balbharati Biology 12th Standard HSC for Maharashtra State Board
Chapter 11 Enhancement of Food Production
Exercises | Q 3.6 | Page 270


How are fish obtained?

What are the advantages of composite fish culture?

How do you differentiate between capture fishing, mariculture and aquaculture?

Mention four advantages of fishery.

What are the advantages of composite fish culture?

How do you differentiate between capture fisheries, inland fisheries and aquaculture?

Describe various methods of fish preservation.

The production and management of fish is called ______.

Give an account of different types of fish ponds used for rearing fishes.

All of the following are marine fish EXCEPT

Which one of the following fish is a surface feeder?

Preventive and control measures adopted for the storage of grains include

Give the merits and demerits of fish culture?

What do you understand by composite fish culture?

Management and rearing of fishes only is called as:

What type of cartilage forms the whole of the adult skeleton of cartilaginous fishes?

Which one is not produced in aquaculture?

Air-breathing fishes are cultured in ______ water.

Culture of fishes along with Agricultural crops is known as ______.

Earthworms are sacred – This statement was made by  ______.

The Central Institute of Brackish Water Aquaculture (CIBA) was established in ______.

Fish meal is used as feed for cattle and poultry farming animals.

Blue revolution is related with ______.

Differentiate Extensive and Intensive Fish culture.

Enumerate the nutritional values of prawns.

What is the nutritional importance of fish liver oils? Name any two marine fishes which yield these oils.

Which one of the following is a marine fish?

What is aquaculture? Give example of an animal that can be multiplied by aquaculture.

Differentiate between pisciculture and aquaculture.

Explain the concept of the Blue Revolution.

Name the following:

Transgenic fish.


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