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Fisheries
(5a)
(i) Angling
(ii) Noodling
(iii) Flounder tramping
(iv) Spearfishing
(5b)
(i)Epsom salts (Magnesium sulfate)
(ii) Limestone (Calcium carbonate)
(iii)Use of chemical additives
(iv)Pond filtration
(5c)
(i)Open pond method
(ii) The 'Hapa' Method
(iii)Production of All-Male Fingerlings
(iv)Hormonal Sex Reversal
(5di)
(i) Fish Liver Oil
(ii) Fish Body Oil
(iii) Fish Silage
(5dii)
(i) It prevent the blood from clotting.
(ii)Slow the development of plaque in the arteries
(iii)It's used as an ingredient in animal feed, and is treated separately from fish meal due mainly to differences in the production process.
(5e)
(i) Needles
(ii) Fishing Twine
=============================
(4a)
(i)It reduces food supplies
(ii)Degrading spawning beds
(iii)Affecting gill function.
(iv)It increases predators effect.
(v)It reduces feeding efficiency
(4bi)
Inbreeding of fish is the mating of relatives, or the mating of fish more closely related than the population average (which is another way of defining relatives).
(4c)
[img]https://i.imgur.com/vbUET6g.jpg[/img]
(4di)
Partial harvesting can be done when bigger fish are removed to allow smaller ones space to grow before total harvesting.
(4dii)
Total harvesting is when all the fish present are removed from it, being harvested either inside the pond or outside.
Fisheries remaining
(1ci)
Monoculture:
(PICK ANY TWO)
(i) It leads to specialization in the production of a specie
(ii) It is easy to monitor individual fish species performance/growth
(iii) There is no undue competition among the fish for space and feed
(iv) Fish of different ages can be stocked and harvested at different times
(1cii)
Polyculture:
(PICK ANY TWO)
(i) It is suitable for extensive fish culture systems
(ii) It is easy to raise many fish species
(iii) It is less labour intensive
(iv) farmer is insured against total loss of fish stocked
(v) It is used to control prolific breeding habits
(vi) It allows for higher fish production
(vii) It reduces pollution as different fish species feed on waste and algae
(viii) It allows for better utilization of space
(1ciii)
Integrated fish farming:
(PICK ANY TWO)
(i) Provides multiple sources of income
(ii) Minimizes cost of production
(iii) esults in optimum utilization of resources such as labour, capital and farmland
(iv) Provides multiple food products from the same farm
(v) It helps in energy conservation by utilizing waste from other enterprises
(vi) Farmer is insured against total loss of income/resources
OFFICE PRACTICE
(5a)
Span of control is the term used in business management, particularly human resource management.It refers to the number of subordinates or direct reports a supervisor is responsible for.
(5b)
(i) Productivity: specialism means that staff are skilled in the task they do
(ii) specialization: department focuses on a particular area of work in the functional organisation
(iii) Accountability: There are clear lines of management in functional organisation structure
(iv)Clarity: employees understand their own and others role in a functional organisation structure
(5c)
(i)Navigation and Space : A good floor plan will ensure your office layout is efficient and serves its purpose
(ii)Storage Facilities:They help free up a lot of space improving navigation within the office
(iii)Square Footage: Smaller offices require you to make smart choices in the size and shape of the furniture.
(iv)Employee Privacy: Different people employ varied work styles, and some employees need privacy
(v)Flow in the Office: People move in and out of the space all day long. That makes it important to create walkways in the space so people have a direct path.
*FISHERY ANSWERS*
(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
====================================
(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
====================================
(6ai)
(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.
(6aii) Culture fisheries is the cultivation of selected fishes in confined areas with utmost care to get maximum yield. The seed is stocked, nursed and reared in confined waters, then the crop is harvested.
(6bi) Capture Fisheries is the Harvesting is the process of gathering and removing fish from the place in which it has grown, and refers therefore to fishing and catching wild fish and shellfish.
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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.
( 5ai )
Salary ; A salary is the money paid each month by their
employer , especially when the are in a profession such as
teaching , law or medicine .
( 5aii )
Wages ; Wages are form of monetary compensation for
employees . They are paid according to the amount of time
worked by the employee
( 5aiii )
Time rate ; Time rates are use when employees are paid for
the amount of time they spend at work
( 5aiv )
Piece rate ; Piece rate gives a payment for each item
produced . It is therefore the easiest way for a business to
ensure that employees are paid for the amount of work done
( 5av )
Commission : Commission is a service charge assessed by a broker
or investment advisor for providing advice or handling purchases
or sales of security for a client.
( 5b )
( i) An office procedure reduces then general cost of operation .
( ii) It allows for effective training of new staff
( iii) It enhances performance of old staff
( iv ) A good office procedure facilitates better flow of work in
the office and between department
