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Growing fish is known as................

Growing fish is known as.............

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Aquaculture
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Fish oil is derived from the .............. of fish.

The breathing organ of a fish is known as____.

The breathing organ of a fish is known as____.

The growing of cells in vitro in liquid medium is known as

a. Growing fish or other aquatic animals and plants together in an integrated system. The fish wastes provides nutrients for the plants and the plants filter the water. Additionally bacteria break down by-products such as ammonia. b. Growing plants in a nutrient solution instead of soil. Fish kept in the water provide the required nutrients. Write the appropriate scientific terms for above (a) and (b) and differentiate between them.

Culturing of fishes is called

1. The plasme membrane of muscle cell is known as sarcolemma. 2. Hydrostatic skeleton is stiff bony stucture present in fishes. 3. The vertebral ribs are not connected to sternum.

Assertion: The technique of growing plants in a nutrient solution is known as hydroponics Reason: Hydroponics is used for commercial production of vegetables such as tomato, seedless cucumber and lettuce.

How fish meal is prepared?

FULL MARKS-TRENDS IN ECONOMIC ZOOLOGY-Additional Questions Solved ( Fill in the Blanks.)
  1. Lac cut from the host plant is called .............

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  2. The seed lac is sundried and then melted to produce ...........

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  3. Growing fish is known as.............

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  4. Chanos chanos are cultured in ............

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  5. Culturing of animals in the salinity ranges from 36-40% is called .......

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  6. Which is known as Brine shrimp?

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  7. Labeo and catla belong to......... fishes.

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  8. Fish oil is derived from the .............. of fish.

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  9. .......... is prepared from fish waste after extracting oil from the f...

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  10. .......... is a high grade collagen produced from dried air bladder of...

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  11. Prawn is rich in ......... protein with low fat content.

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  12. Most of the marine prawns caught along the Indian coast belongs to the...

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  13. Metapenaeus dobsoni is a species of ......

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  14. Fresh water bivalve .......... is used in artificial pearl culture.

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  15. The piece of tissue which is inserted inside the mantle of the oyster ...

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  16. 90% of pearl is ...........

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  17. The best quality of pearl is obtained from ............ oysters.

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  18. The practice of breeding and raising livestock is called as ..........

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  19. .......... increases homozygosity and exposes harmful recessive genes.

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  20. ........... helps to produce new and favourable traits, new breeds and...

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