WAEC Fisheries Questions and Answers 2024

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WAEC 2024 Fisheries OBJ QUESTIONS

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ESSAY

FISHERY

(1ai)
A feeding regime is a plan that specifies a diet, amount and schedule of nutritional intake.

(1aii)
– By hand
– By automatic feeders
– By demand feeders

(1aiii)
– It is possible to adjust the feed requirements of the fish.
– You don’t have to be present to feed your fish.
– The level of the feed in the container is a good indication of the condition of the fish.

(1bi)
Monoculture is the cultivation or growth of a single crop or organism especially on agricultural or forest land

(1bii)
Polyculture is the practice of growing more than one crop species in the same space, at the same time.

(1biii)
Integrated fish farming systems refer to the production, integrated management and comprehensive use of aquaculture, agriculture and livestock, with an emphasis on aquaculture.

FISHERY

(1ai)
A feeding regime is a plan that specifies a diet, amount and schedule of nutritional intake.

(1aii)
– By hand
– By automatic feeders
– By demand feeders

(1aiii)
– It is possible to adjust the feed requirements of the fish.
– You don’t have to be present to feed your fish.
– The level of the feed in the container is a good indication of the condition of the fish.

(1bi)
Monoculture is the cultivation or growth of a single crop or organism especially on agricultural or forest land

(1bii)
Polyculture is the practice of growing more than one crop species in the same space, at the same time.

(1biii)
Integrated fish farming systems refer to the production, integrated management and comprehensive use of aquaculture, agriculture and livestock, with an emphasis on aquaculture.

(1ci)
– Easy to feeding.
– Permits great control over size, age and sex.

(1cii)
– Intensive polyculture of fish is fully controlled by the farmer.
– More fish can be cultivated and produced from short place

(1ciii)
– By reducing the cost of fertilizers and feedstuffs.
– It serves the major purpose of providing cheap feedstuffs and organic manure for the fish ponds.

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(2ai)
– Trawls and dredges
– Seine nets

(2aii)
– longlines
– Traps and pots.

(2b)
– Use mesh rod covers when transporting your fishing rods.
– Keep your rods straight and together while on the boat.
– Remove any hooks or lures after fishing

(2c)
– The possibility of fishing in all available depths.
– The possibility of fishing on any slope of the bottom.
– The possibility of fishing in almost all habitats – in lake/ reservoir.

(2d)
– Handline
– Yoke
– Mesh
– Braille lines
– Lead lines

*FISHERIES*

(4a)
(i) Light penetrates only a short distance, and photosynthesis is reduced
(ii) Oxygen production during the daytime is relatively small.
(iii) Both the growth of the fish and of their natural food organisms can be badly affected.
(iv) It can affect fish directly by injuring their breathing organs
(v) It lowers production rate

(4bi)
Inbreeding is the mating of fish more closely related than the population average.

(4bii)
(i) Rrapid growth potential
(ii) Higher resistance to dissolved oxygen deficiency and adverse water quality
(iii) Strong appetite
(iv) Omnivorous feeding regime.

(4c)
DRAW CROSS SECTION OF A TYPICAL FISH POND
(https://i.imgur.com/F9j2T1w.jpg)

(4di)
Partial harvesting: This can be done when bigger fish are removed to allow smaller ones space to grow before total harvesting.

(4dii)
Total harvesting: This is carried out at the end of a production cycle or in cases of emergency like diseases outbreak.

(6a)
(i)Too many fish will use up all the dissolved oxygen in the water.
(ii)Too many fish will produce too much ammonia.
(iii)Too much nitrate might lower fish immune system.
(iv)Algae boom from too many nutrients
(v)Fish might get stressed when there is not enough swimming room
(vi)Fish might get aggressive if there are too many fish in one tank.
(vii)An overstocked fish tank will cost more to maintain

(6bi)
Capture fisheries is exploitation of aquatic organisms without stocking the seed.

(6bii)
Culture fisheries is the cultivation of selected fishes in confined areas with utmost care to get maximum yield.

(6bii)
(i)rapid growth potential,
(ii)higher resistance to dissolved oxygen deficiency and adverse water quality,
(iii)strong appetite,
(iv)omnivorous feeding regime.

(6c)
(i)Fish net
(ii)Hooks
(iii)Traps
(iv)Spears
(v)Sinkers
(vi)Fishing rods

(6d)
(i)Healthy source of protein ·
(ii)Used for non-food products ·
(iii)Jobs creation
(iv)Development of the agricultural part of the economy.

(6e)
(i)poor fish farming methods,
(ii)inadequate technical capabilities and skills,
(iii)high cost of fish feeds,
(iv)low financing of fish farming projects by deposit money banks,
(v)inadequate storage and processing facilities,
(vi)poor quality of brood stock,
flooding and.
(vii)market failures.

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