June/ July 2024 NECO Fisheries Practical Questions and Answers

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This is to notify all those writing NECO 2024 that:

NECO 2024 Fisheries Practical Questions Papers and Answers for Thursday 18th July, 2024 are now Available with us;

June/July 2024 NECO Fisheries Practical Questions and Answers (100%) Verified Solution:

NUMBER ONE

(1ai)
A – Heterobranchus longifilis (Catfish)
B – Tilapia zilli (Red-bellied tilapia)
C – Hydrocynus forskalii (Tiger fish)
D – Hepsetus odoe (African pike)

(1aii)
Draw the diagram below

(1aiii)
-Similarities-
(PICK ANY SIX)
(i) Both are fish species.
(ii) Both have gills for respiration.
(iii) Both have scales on their bodies.
(iv) Both have anal and dorsal fins.
(v) Both have a lateral line.
(vi) Both are found in freshwater environments.
(vii) Both have a streamlined body shape.
(viii) Both are important food sources.

DIFFERENCES

-Specimen A-
(PICK ANY TWO)
(i) Has a flat, smooth skin with no scales.
(ii) Has a long, narrow body.
(iii) Has a large, bony head.
(iv) Has barbels (sensory whiskers) around its mouth.
(v) Feed omnivorously.

-Specimen B-
(PICK ANY TWO)
(i) Has small, round scales covering its body.
(ii) Has a shorter, more rounded body.
(iii) Has a small, rounded head.
(iv) Has no barbels around its mouth.
(v) Feed herbrivorously.

(1bi)
-Types of scale possessed-
B – Ctenoid scales
C – Cycloid scales

-Shape of tail fin possessed-
B – Rounded tail fin
C – Forked tail fin

(1bii)
(PICK ANY TWO)
(i) Formalin preservation
(ii) Glycerol preservation
(iii) Freezing
(iv) Drying
(v) Salting
(vi) Alcohol preservation