Home
Class 9
BIOLOGY
(a) What are the two ways of obtaining f...

(a) What are the two ways of obtaining fish ?
(b) What is the major problem faced in fish farming ? How can it be overcome.

Text Solution

Verified by Experts

The correct Answer is:
N/a

(a) The two ways of obtaining fish are
(i) Capture fishery. Fish is caught from natural waters both marine as well as inland (freshwater bodies).
(ii) Culture fishery. Fish is grown in water bodies through human efforts. The mature fish is harvested.
(b) Major problem of fishery (or fish farming). It is procurement of pure seeds of high quality fish. This problem has been solved through hypophysation or hormonal treatment of selected fishes in breeding hapas.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • IMPROVEMENTS IN FOOD RESOURCES

    LAKHMIR SINGH & MANJIT KAUR|Exercise VERY SHORT ANSWER QUESTIONS|28 Videos
  • IMPROVEMENTS IN FOOD RESOURCES

    LAKHMIR SINGH & MANJIT KAUR|Exercise NCERT|6 Videos
  • DIVERSITY IN LIVING ORGANISMS

    LAKHMIR SINGH & MANJIT KAUR|Exercise Value Based|5 Videos
  • MODEL TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise SECTION B|1 Videos

Similar Questions

Explore conceptually related problems

What are the methods of capturing fish?

What is the importance of fins in fish?

Knowledge Check

  • What is the role of air bladder in fishes ?

    A
    acts as a reserviour of fresh air
    B
    to maintain buoyancy in water
    C
    reserve food material is stored in it
    D
    acts as lungs when a fish jumps to the surface of water
  • Similar Questions

    Explore conceptually related problems

    What is fish meal?

    What is the role of swim bladder in fishes.

    What is the popular name of Trygon fish ?

    What are the respiratory organs of fishes.

    What is the function of operculum in fishes ?

    What is meant by problem of double counting ? How can this problem be avoided ?

    What are the advantages of composite fish culture?