2022 WAEC FISHERIES ESSAY AND OBJ ANSWERS - Verified 2022 WAEC EXAM Tourism Questions and Answers

Fishery OBJ

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(1a)

(i)plastic bags or 5-gallon buckets with water from the tank to transport your broodstock.

(ii)Make sure the bag/bucket has enough air for your brood stock .

(iii)Take any plants from the tank and place them in bags with water from the tank to keep good bacteria on them alive.

(iv)Try to save 80% of the water from your tank


(1b)

(i)to help reduce the level of shock

(ii)To help curtail harsh weather conditions

(iii)To reduce death rate and maximize survival


(1c)

(i)fertilization

(ii)Incubation

(iii)hatching of eggs

(iv)Overprim


(1d)

(i)Eradication of predatory animals

(ii)Eradication of insect

(iii)Eradication of aquatic weeds

(iv)Assessment of food in nursery


(1e)

(i)water level

(ii)Level of rainfall

(iii)Water temperature

(iv)Turbidity

(v)Ph level of the water


This is 2022 WAEC FISHERIES ESSAY AND OBJ ANSWERS No. 1
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(2ai)

Integrated fish farming is a system of producing fish in combination with other agricultural/livestock farming operations centered around the fish pond.


(2aii)

(i)Fish with pig

(ii)Fish with sugarcane

(iii)Fish with vegetables

(iv)Fish with snail


(2bi)

(i)selling fish to the processing industry,

(ii)grading of fish

(iii)processing fish themselves,

(iv)selling to the world


(2bii)

(i)jute bags

(ii)mat bags

(iii)cartons


(2ci)

(i)PREPARE THE SITE.

(ii)PEG OUT THE POND AREA.

(iii)CONSTRUCT CLAY CORES.

(iv)EXCAVATE THE POND AND CONSTRUCT DYKES.

(v)INSTALL DRAINAGE SYSTEM.


(2cii)

(i)Spade

(ii)Digger


This is 2022 WAEC FISHERIES ESSAY AND OBJ ANSWERS No. 2
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(4a) 

Stocking rate of a fish pond is the process of introducing selected, culturable, compatible, and fast-growing fish seed into ponds for growing.


(4b)

(i) Total removal of the polluted water.

(ii) Cleaning of the pond

(iii) Growing of water plants 

(iv) Control algae growth.

(v) Repair of leaks.


(4ci)

It shows that there is deficiency of oxygen and pollution of the water body due to algae bloom


(4cii)

(i) Increase in nutrient in the body of the water

(ii) Algae outgrowth

(iii) Oxygen deficiency

(iv) Low light penetration


(4ciii)

(i) It may lead to  death

(ii) It may lead to congenital disease of the Clarias spp

(iii) It leads restlessness of the fish due to oxygen deficiency

(iv) It can cause loss of weight


This is 2022 WAEC FISHERIES ESSAY AND OBJ ANSWERS No. 4
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(6a)

(i)Hatcheries can provide food sources to carnivorous fish, enabling their continued supply.

(ii)Hatcheries allow for the replenishment of fish in sea waters.

(iii)The process of running fish hatcheries is very labor-intensive. 

(iv) Hatcheries protect aquatic species from disappearing from ecosystems.


(6b)

(i)Raceways offer a much greater ability to observe the fish. 

(ii)Raceways can be easily built in series.

(iii)It is Less labour intensive to cleaning and feeding.

(iv)It allows for Easy monitoring of fish. 


(6ci)

Hatching trough; They are used for the hatching of channel catfish eggs and help in eggs adhering to nest material or adhering in a mass to each other.


(6cii)

Happa; they are use for generating fingerlings and also The mesh size is such that the fry or fish inside can not escape.


(6ciii)

syringe; It is use to deflate the swim bladder from a fish that's been brought quickly out of deep water and can't swim back down.


(6civ)

microscope; It is use to examine scrapes from the fish skin


(6cv)

aquarium tank; It is use to allow the fish culturist to easily manage stocks and to exert


(6d)

(i)Prawn shell waste

(ii)Groundnut oil cake

(iii)Wheat bran


(6e)

(i)phosphorus.

(ii)Nitrogen

(iii)Carbonaceou Biochemical 'copied from g i s t p o w e r . c o m free' Oxygen Demand

(iv)Die-off and decomposition


This is 2022 WAEC FISHERIES ESSAY AND OBJ ANSWERS No. 6
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WAEC Tourism Questions and Answers 2022. WAEC Tourism Expo for Theory & Objective (OBJ) PDF: verified & correct expo Solved Solutions, 2022 WAEC FISHERIES ESSAY AND OBJ ANSWERS. 2022 WAEC EXAM Tourism Questions and Answers

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