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How to get Neco 2025 Fisheries Practical Question And Answer
NECO FISHERIES
1a)
A; Oreochromis niloticus
B; Heterobranchus longifilis
C; Lates niloticus
D; Bagrus bayad
(1aii)
Diagram coming soon!!!
(1aiii)
A;
(i)Oreochromis niloticus is herbivorous, feeding on plants, plant materials, and detritus,
(ii)Oreochromis niloticus has a more varied diet with a higher percentage of plant-based food
B;
(i)Bagrus bayad is carnivorous, preying on fishes, insects, and detritus.
(ii)Bagrus bayad has a diet rich in animal-based food sources
(1bi)
-UNDER Mouth Shape-
A: Terminal mouth, adapted for omnivorous feeding habits.
B: Inferior mouth, typical of catfish, suited for bottom-feeding.
C: Terminal mouth, suitable for carnivorous feeding habits.
D: Inferior mouth, adapted for carnivorous and bottom-feeding habits.
-UNDER-Caudal Fin Shape-
A: Truncate or slightly forked caudal fin.
B: Deeply forked caudal fin.
C: Forked caudal fin.
D: Slightly forked or truncate caudal fin.
(1bii)
A: Cichlidae family
B: Clariidae family
C: Latidae family
D: Bagridae family
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(2a)
E; Dogout canoe or model
F; Seine net
G; Funnel entrance trap
H; Gill net
(2aii)
Diagram
(2aiii)
(i)Both are fishing nets
(ii)Passive or active fishing
(iii)Mesh size importance
(2bi)
E;
A vessel used for fishing, transportation, or recreation on water bodies.
G;
A type of fishing trap that guides fish into a confined area, making it easier to catch them.
(2bii)
(i)Removing debris and fish remains to prevent damage and maintain effectiveness.
(ii) Fixing or replacing damaged components to ensure the trap remains functional.
(2biii)
E;
(i)Wood (e.g., mahogany or cedar)
(ii)Fiberglass or other durable materials for added strength and durability
Hi;
(i)Nylon or other synthetic materials for the netting
(ii)Ropes or cords for suspending and anchoring the net
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