NECO FISHERIES PRACTICAL ANSWERS 

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✅ EXAM SECRET SOLUTION TEAM

✅ Subject: FISHERIES 

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QUESTION 1

1ai

A- Gold fish

B- Tilapia fish

C- silver fish

D-Cat fish

1aiii

Similarities

i. Both are fish.

ii. Edible and consumed by humans.

iii. Aquatic habitat.

iv. Freshwater species.

v. Used in culinary dishes.

Differences:

i. Tilapia is larger.

Silver fish is slender.

ii. Tilapia fish has distinct colour pattern

Silver fish is silver in colour

(1aiv) PICK ANY FOUR

I. Channel catfish

ii. Wels catfish

iii. Retail catfish

iv. Tigrinus catfish

v. Picture catfish

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QUESTION 3

3a)

(i)

Specimen I- Digger 

Specimen J- Hoe

Specimen K is a cutlass

Specimen L is an axe

(ii) 

The digger (Specimen I) is used for digging and breaking up soil

The hoe (Specimen J) is used for removing weeds and shaping soil

The cutlass (Specimen K) is used for cutting down vegetation

The axe (Specimen L) is used for chopping wood.

3b)

(i) 

Maintenance practices for Specimen I (digger):

Check the blade regularly and sharpen it as needed.

Wipe the blade clean after each use and store it in a dry place.

Inspect the handle for cracks or damage and replace it if necessary.

Maintenance practices for Specimen L (axe):

Sharpen the blade regularly to maintain its cutting edge.

Clean and oil the handle to prevent it from drying out and splitting.

Store the axe in a dry place to prevent rust and damage.

(ii) Two similarities between Specimen K (cutlass) and Specimen L (axe) are:

1. They both have a sharp blade for cutting vegetation or wood.

2. They both have a long handle for leverage and control.

(iii) Two instruments that can be used in place of Specimen K (cutlass) for fish processing are a fillet knife and a cleaver.

(iv) Three precautions to be taken when using Specimen K (cutlass) for weed control are:

1. Wear protective clothing, including gloves, long sleeves, and pants.

2. Watch for rocks or other hard objects that may damage the blade.

3. Make sure the blade is sharp and in good condition to prevent injury.

3c. Two differences between Specimen I (digger) and Specimen K (cutlass) are:

1. The digger is designed for digging and breaking up soil while the cutlass is designed for cutting down vegetation.

2. The digger has a flat, broad blade while the cutlass has a curved blade with a sharper edge.

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FISHERY SPECIMEN

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