2024 WAEC FISHERIES: 2025 WAEC Fisheries (Fishery) Verified Answers (6549)

(1a)

(i) Fishing Gear: Fishing gear refers to the equipment, tools, and devices used by fishermen to catch fish or other aquatic organisms, including nets, lines, hooks, traps, spears, harpoons, and dredges.

(ii) Fishing Craft: Fishing craft refers to the vessels or boats used by fishermen to conduct fishing operations, including trawlers, longliners, purse seiners, trollers, and dories.

(1b)

(i) Total or complete cropping: The pond is totally  drained and appropriate gear used  to harvest all fish.

(ii) Partial cropping: The pond may be partially drained and appropriate  gear used to harvest some of the fish

(1c)

(PICK ANY SIX)

(i) Selection of broodstock

(ii) Hormone injection

(iii) Hormonal induction

(iv) Spawning

(v) Egg collection

(vi) Egg disinfection

(vii) Fertilization

(viii) Incubation

(ix) Larval rearing

(x) Weaning

(xi) Pond or tank management

(PICK ANY THREE)

(i)  Male fish generally have brighter coloration than females.

(ii) Males have a more streamlined body shape compared to females.

(iii) Females usually have a larger and more rounded abdomen than males.

(iv) Male fish often develop specialized reproductive structures such as tubercles or breeding tubercles.

(v) The anal fin of males may be more elongated and pointed compared to 'copied from e x a m p l a z a . c o m free' females.

(vi) The genital papilla of males is typically more pronounced and pointed than that of females.

(2a) 

(PICK ANY FOUR)

(i) Proper transportation techniques to minimize stress.

(ii) Providing adequate oxygen during handling and transport.

(iii) Maintaining water temperature within suitable ranges.

(iv) Avoiding overcrowding to reduce aggression and injuries.

(v) -Handling with care to prevent damage to fins and scales.

(vi) Quarantining new brood stock to prevent introduction of diseases to existing populations.

(2bi)

(PICK ANY FOUR) 

(i) Water quality parameters such as pH, temperature, and dissolved oxygen levels.

(ii) Pond size and depth relative to the planned stocking density.

(iii) Availability of suitable fish species for stocking, considering market demand and compatibility.

(iv) Source and quality of fingerlings or juveniles to be stocked.

(iv) Predation risk from birds, mammals, or other aquatic species.

-Environmental conditions such as sunlight exposure and wind direction.

(2bii)

(PICK ANY FOUR. It should match what u picked in 2bi)

(i) Water quality parameters: Proper water quality ensures optimal conditions for fish growth, survival, and health.

(ii) Pond size and depth: Adequate space and depth prevent overcrowding and maintain sufficient oxygen levels for fish.

(iii) Availability of suitable fish species: Selecting appropriate species ensures compatibility with the pond environment and market 'copied from e x a m p l a z a . c o m free' demand.

(iv) Source and quality of fingerlings: High-quality fingerlings from reputable sources have better growth potential and disease resistance.

(v) Predation risk: Minimizing predation risk protects stocked fish from potential losses.

(vi) Environmental conditions: Considering environmental factors enhances the success of fish stocking and overall pond management.

(2c) 

(PICK ANY FOUR)

(i) Fishing rod and reel

(ii) Fishing net

(iii) Fish trap

(iv) Fishing line and hooks

(v) fishing swivel

(vi) bobbers

(2d)

Broadcasting:

(i) It ensures that feed is evenly distributed throughout the pond, maximizing access for all fish.

(ii) Fish have equal opportunity to access feed, minimizing aggressive behavior and competition for food.

(ii) Spot feeding:

(i) It allows for precise delivery of feed to specific areas where fish congregate, ensuring all fish receive adequate nutrition.

(ii) By observing feeding behavior at feeding spots, fish health and appetite can be monitored more effectively, enabling early detection of issues.

(6ai) 

Floats:

(PICK ONLY ONE)

(i) Floats provide buoyancy to keep the upper part of the net afloat in the water, ensuring that it remains at the desired depth.

(ii) Floats often come in bright colors or are equipped with flags to increase visibility, making it easier for fishermen to locate and retrieve the net.

(6aii)

Sinkers:

(PICK ONLY ONE)

(i) Sinkers help to keep the lower part of the net submerged at the desired depth in the water column, ensuring effective fishing.

(ii) Sinkers provide stability to the net, preventing it from drifting excessively in the water and maintaining its position.

(6aiii)

Netting:

(PICK ONLY ONE)

(i) The netting is the primary component of the gill net that captures fish by entangling them as they swim into it.

(ii) The size and structure of the netting can be adjusted to target specific sizes or species of fish, allowing for selective fishing practices.

(6aiv)

Foot Rope:

(PICK ONLY ONE)

(i) The foot rope runs along the bottom of the net, helping to maintain its shape and ensuring that the net remains spread out and functional.

(ii) The foot rope can be weighted to anchor the bottom of the net to the seabed, preventing it from drifting or moving excessively in strong currents.

(6av) 

Head Rope:

(i) The head rope runs along the top of the net, providing 'copied from e x a m p l a z a . c o m free' structural support and helping to maintain its shape and orientation in the water.

(ii) The head rope often serves as the attachment point for the mainline, connecting the gill net to the fishing vessel and allowing for deployment and retrieval.

(6bi)

Protein:

(PICK ANY THREE)

(i) Fish meal

(ii) Soybean meal

(iii) Shrimp meal

(iv) Krill meal

(v) Spirulina

(vi) Blood meal

(6bii)

Energy:

(PICK ANY THREE)

(i) Fish oil

(ii) Corn

(iii) Wheat

(iv) Rice bran

(v) Barley

(6biii)

Minerals and vitamins:

(PICK ANY THREE)

(i) Fish liver oil

(ii) Salt

(iii) Wheat germ

(iv) fish liver oil

(v) alfalfa meal

(6c)

(PICK ANY FOUR)

(i) Thorough drying methods

(ii) Hygiene maintenance

(iii) Temperature regulation

(iv) Food-grade equipment usage

(v) Pest control measures

(vi) Proper packaging

(vii) Clear labeling

(viii( Compliance with safety regulations

(6d)

(PICK ANY TWO)

(i) It extends shelf life

(ii) It reduces food waste

(iii) It facilitates transportation

(iv) It enhances food safety

(vi) It increases economic values.