VERIFIED FISHERY PRACTICAL NECO 2017

FISHERY LOADING....
Fishery-PrAct-Answers
1a)
A-is bagrus bajad (Bayad)
B- is oreochromes niloticus (Nile Tilapia)
C-is crayfish
D- is clarias gariepinus fingerlings
E- is tadpole

1aii
Click here for no.1aii Diagram

1aiii)
i)it has maxillipal that function as mouth part
ii)it has carapace which protect internal organ
iii)it has zalking legs.

1bi)
similarities
i)they both live in fresh water habitat
ii)their bodies is covered with sceals
iii)they have latel lins
iv)their body is segmented into three(head)

differences
specimenA
– the mouth is flat
– the body is fleshy
– it has no operculum
specimenB
– it has round mouth
– it is borny
– it has operculum .

1bii
– they are affected by the same fish parasite ( protozoa)
– they both have zills

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2aiii)
F-it is used for digging holes during pond preparation
G-it is used for evacuation of sand
I- it is used for making station
J- it is also used for measuring land volumity

2bi)
i)keep it away from rain
ii)store in a dry place
iii)sharpen the blade at regular interval
2bii)
i)you must have a starting point
ii)you must also observe your end point
2biii)
i)net
ii)basket
iii)happa
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3ai
– cow dung
– quick line
– plastic basim
– syringe and needle
– cutlass
3aii
advantage
– it produce plantton
disadvange
– it add acidity to the water
3aiii
– it functions to kill pathogens , parasites e . t . c
– it helps to remove carbordioxode from the fond
– it is used to reduce the acidicity of the pond
– it makes fertilizer treatment more effective
– it increase the level of calcuim in the pond
3iv
– ensure you know the alkalinity of the pond
– apply the quickline evenly

3av)
-hydrated lime
-ciround limestone line
-agricultural line
3bi)
sp-M
-it is used to carry harvest to the market
-it is used to transport fingetlings to nursety pon
sp-O
-it is used to cutting table fish
-cutting wood in fish pond preparation
3bii)
-keep in cool and dry place
-sharp the blade regulary
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completed
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