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2025 WAEC Fisheries (Essay & OBJ) Answers [7th May]
Get Free Live 2025 WAEC May/June Fisheries (FISHERIES) Questions and Answers for School Candidates Free of Charge | WAEC May/June Free Fisheries Questions and Answers EXPO Room (7th May, 2025).
WAEC May/June 2025 FREE FISHERIES QUESTION AND ANSWER ROOM [School Candidates]

Wednesday, 7th May 2025
Fisheries (Alternative B) 2 (Essay) 9:30am – 11:30am
Fisheries (Alternative B) 1 (Objective) 11:30am – 12:10pm


2025 WAEC FISHERIES OBJECTIVES (OBJ) ANSWERS

1-10: AAAABDDBBD
11-20: BBAACBDBCD
21-30: ABCDDADBCB
31-40: CADCDDCCCB


2025 WAEC FISHERIES ESSAY (THEORY) ANSWERS:

(1ai) Fishing net
(PICK ANY THREE)

(i) Rinse the net with fresh water after each use to remove salt, dirt, and debris.
(ii) Inspect the net regularly for holes or fraying and repair them immediately.
(iii) Dry the net thoroughly before storage to prevent mold and rot.
(iv) Store the net in a cool, dry place away from direct sunlight to prevent degradation.
(v) Treat the net with antimicrobial solutions to prevent bacterial or fungal growth.

(1aii) Canoes
(PICK ANY THREE)
(i) Rinse the canoe with fresh water after each use to remove dirt, salt, or other contaminants.
(ii) Inspect the canoe for cracks, leaks, or damage and repair them promptly.
(iii) Store the canoe in a shaded, dry area to prevent sun damage and degradation of the material.
(iv) Apply a protective coating or paint to the hull to preserve its condition and prevent wear.
(v) Ensure the canoe’s hardware (like paddles, seats, or fittings) is well-maintained and tightened regularly.

(1bi)
(i) Sorting
(ii) Cleaning
(iii) Gutting
(iv) Smoking or drying
(v) Packaging

(1bii)
(PICK ANY FIVE)

(i) Smoking
(ii) Drying
(iii) Salting
(iv) Freezing
(v) Canning
(vi) Fermentation
(vii) Frying
(viii) Grilling

(1c)
(PICK ANY FOUR)
(i) To extend shelf life
(ii) To prevent spoilage
(iii) To reduce post-harvest losses
(iv) To maintain quality and freshness
(v) To ease transportation and storage
(vi) To ensure availability during off-seasons
(vii) To add value for better market price

(2a)
(PICK ANY FIVE)
(i) Select a suitable site with good water supply and proper drainage.
(ii) Clear the area of any vegetation, debris, or obstacles.
(iii) Mark the boundaries of the pond and determine the shape and size.
(iv) Excavate the pond to the desired depth, ensuring proper sloping.
(v) Construct an inlet and outlet for water flow, ensuring proper drainage.
(vi) Line the bottom with clay or compact soil to prevent water leakage.
(vii) Fill the pond with water and allow it to settle for a few days.
(viii) Install aeration systems or water fountains if necessary.
(ix) Check for any leaks or issues and make necessary adjustments.
(x) Add appropriate fish species and ensure regular maintenance.

(2bi)
(PICK ANY THREE)
(i) Clear the pond of debris, weeds, and any obstacles.
(ii) Level and shape the pond to ensure proper water distribution.
(iii) Fill the pond with water, ensuring a steady supply.
(iv) Test the water for quality, including pH, temperature, and oxygen levels.
(v) Apply lime to adjust pH levels if necessary.
(vi) Fertilize the pond to stimulate plankton growth for fish feed.
(vii) Install proper inlet and outlet systems for water flow and drainage.
(viii) Ensure the pond is free of predators and harmful organisms.
(ix) Allow the pond to settle for a few days before introducing fish.
(x) Stock the pond with appropriate fish species for the environment.

(2bii)
(PICK ANY FOUR)
(i) Agricultural lime (calcium carbonate)
(ii) Quicklime (calcium oxide)
(iii) Hydrated lime (calcium hydroxide)
(iv) Dolomitic lime (calcium magnesium carbonate)
(v) Burnt lime
(vi) Slaked lime

(2c)
(PICK ANY FOUR)
(i) Reduces light penetration, affecting the growth of aquatic plants and plankton.
(ii) Decreases oxygen levels in the water, which can stress fish.
(iii) Impairs fish feeding behavior, as they rely on clear water to locate food.
(iv) Increases the risk of disease by limiting water quality and increasing pathogens.
(v) Causes sedimentation, which can clog gills and harm fish.
(vi) Reduces the overall aesthetic and environmental quality of the pond.

(2d)
(PICK ANY FOUR)
(i) Provide a balanced and nutritious diet to promote health and reproductive performance.
(ii) Ensure proper water quality, including maintaining appropriate temperature, pH, and oxygen levels.
(iii) Regularly check for diseases and parasites, and treat them promptly.
(iv) Maintain a proper breeding environment, including suitable breeding tanks or ponds.
(ii) Perform periodic health checks and remove any sick or weak fish.
(vi) Rotate or rest broodstock periodically to prevent overuse and ensure continued fertility.
(vii) Provide ample space for movement and reduce stress by avoiding overcrowding.
(viii) Manage breeding cycles to ensure the right timing for reproduction.


(3ai)
(PICK ANY TWO)
(i) It is cost-effective or free compared to buying from hatcheries.
(ii) It provides genetic diversity in fish stock.
(iii) Wild fish seeds may be more resilient to diseases.
(iv) It supports local fish biodiversity.
(v) It reduces dependency on hatchery facilities.
(vi) It offers a natural selection of species suited to the local environment.

(3aii)
(i) Clarias gariepinus (African catfish)
(ii) Oreochromis niloticus (Nile tilapia)

(3bi)
(PICK ANY FOUR)
(i) Ensure good water quality (pH, oxygen level, clarity).
(ii) Maintain appropriate water temperature.
(iii) Acclimatize fish before releasing into the pond.
(iv) Check for the absence of predators in the pond.
(v) Stock at the recommended density.
(vi) Monitor fish health and behavior after stocking.

(3c)
Number of fish = 5,000
Average weight per fish = 200 g = 0.2 kg
Total weight = 5,000 × 0.2 = 1,000 kg
Feed rate = 4% of body weight = 4/100 × 1,000 = 40 kg
Since feeding is done twice daily, each feeding = 40/2 = 20 kg

Total daily feed required = 40 kg

(3d)
(PICK ANY FOUR)
(i) Water temperature
(ii) Fish species
(iii) Fish size and age
(iv) Water quality (e.g., dissolved oxygen, pH)
(v) Type and quality of feed
(vi) Fish health status


(4a)
(PICK ANY FIVE)
(i) Foul or unpleasant odor
(ii) Murky or discolored water
(iii) High mortality rate in fish
(iv) Presence of algae blooms
(v) Low dissolved oxygen levels
(vi) Unusual fish behavior

(4b)
(PICK ANY FOUR)
(i) Regular water change
(ii) Proper pond aeration
(iii) Avoid overfeeding
(iv) Proper waste management
(v) Use of water testing kits
(vi) Liming to stabilize pH
(vii) Filtration systems
(viii) Avoiding overcrowding of fish

(4ci)
(PICK ANY THREE)
(i) Algae
(ii) Insects
(iii) Worms
(iv) Plankton
(v) Detritus
(vi) Aquatic plants

(4cii)
(PICK ANY THREE)
(i) Pellets
(ii) Crumbles
(iii) Mash
(iv) Flakes
(v) Dough
(vi) Extruded feed

(4di)
(PICK ANY THREE)
(i) Broadcasting
(ii) Tray feeding
(iii) Hand feeding
(iv) Automated feeding
(v) Demand feeding
(vi) Feeding rings

(4dii)
35% to 45%



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TO SUBSCRIBE FOR FISHERIES ANSWERS
  1. JUST GO OUT AND BUY MTN CARDS OF N800 (400 + 400 = 800)
  2. GO TO YOUR MESSAGE, TYPE THE CARD PINS CORRECTLY AND SEND TO 08107431933.
  3. DON'T CALL, JUST TEXT, IF THE CARDS PINS ARE VALID, A REPLY WILL BE SENT TO YOU CONFIRMING THAT YOU HAVE BEEN SUBSCRIBED.
  4. RELAX AND WAIT FOR YOUR ANSWERS 30MINUTES BEFORE EXAM STARTS OR AFTER EXAM STARTS.
  5. NB: DO NOT SEND USED CARD PINS OR YOUR NUMBER WILL BE BLACKLISTED.