2017/2018 WAEC May/June Fisheries Questions And Answers Posted For Free

2017/2018 WAEC MaY/June Thursday, 23rd March, 2017
Fisheries (Alternative B) 2(Essay)
Fisheries (Alternative B) 1 (Objective) Questions And Answers Posted For Free

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[lock]…Click here to load more answers now. Fisheries is now available, WAEC FISHERY ANSWERS Essay. *Dr.Abdul*
1a)
specimen A is greenish in colour due to the presence of algae while specimen is colourless
1b)
the green colour observed is specimen A is due to presence of planktonic algae which is absent in specimen B
1c)
specimen B is more suitable for table fish
1di)
the presence of planktonic algae will deplete valuable from getting to the water
1dii)
specimen B contains harmful algae blooms,bacterial, and virus which can kill the fishes.
1e)
i)by attacking the food source of the algae to reduce its breading
ii)by treating the water to be used for the table fish before using it
iii)by filtering the water before use.
iv)by sterilizing the water
v)by the use of herbicides to kill the algae
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2bi)
-Handle
-Hook keeper
2bii)
-Throw line
-Loop
2c)
i)Rinse your cast nets with fresh water and hang until your entire net is completely dry, do not use any soap, detergents or chemicals to clean your cast nets.
ii)For your drying period, drape your net over something or hang it up slightly but “do not” hang the net up completely so that the weights leave the ground.
iii)Never store your net wet, when moisture and fish slime mix together for any length of time, ammonia settles in and you’ll be amazed at how quickly your cast net will disintegrate if you store your bucket unrinsed and wet.
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4a)
Uses of mattock
i)a mattock is a versatile hand tool, used for digging and chopping grounds for pond construction.
Uses of shovel
i)a shovel is a tool for digging, lifting, and moving bulk materials, such as soil, coal, gravel, snow, sand, or ore for d construction of fishponds
4b)
-Digging blade
-Chain saw
-Flat boat
-Plumbing tools

READ  Weac 2017/2018 Physics/Agricultural/Chemistry/Biology Practical Specimens Questions And Answers

ESSAY
1a list ten examples of ornamental fishes
1b what are the marketing channels for fish (6)
1c differentiate between extensive and intensive fish culture
===================================
5a list and explains the following
(i)de gulting
(ii)de gilling
5b draw the side view of an concrete pond
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ANSWERS
Ans Q1-
-Livebearears
-Anabantoids
– Loaches
-carp Family
-Cichlids
-Characins
-Corydoras
– Arowanas
-Catfish
====================================
Q1b
1-Product flow
Fish product flow can follow various channels from the fish producer including fisherfolk and aquaculturalist to the final consumer and can involve varying number of stages. Therefore, the fish market was divided into four main stages: the producer stage, the wholesaler stage including processing, the retailer stage, and the consumer stage including the export and institutional consumer markets.
2-Money flows
The above sections examined the product channels from fish producers to fish consumers in terms of sales. The following paragraphs discuses the method of payment to the fish producfers.
3-Sales systems
In this section, examines how fish was traded in the market and how market operators could come together for fish trading.
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Chinonso Ibeh
About Chinonso Ibeh 2847 Articles

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