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NECO 2018 Agricultural Science Answer – June/July Expo

 

National Examination Council – Agric Science Practical Solution Questions and Answer – June/July 2018 NECO Expo Runz

(1a)
A – Knapsack sprayer
B – Watering can

(1b)
(i) Carry out a pre-operation service and prepare the sprayer for the job.
(ii) Mark out a calibration plot in the area to be sprayed with a peg in each corner.
(iii) Fill the sprayer to a known level, or use a permanent marker to
mark the tank and fill it to that line.

(1c)
Early stage

(1d)
Knapsack sprayer

(1e)
Specimen A
(i) It has nozzle
(ii) It is calibrated

Specimen B:
(i) It has handle
(ii) It has a spout

(1f)
Herbicides

(1g)
(i) Store in a cool dry place
(ii) Clean and dry after use
(iii) Use silica gel packs or rust collector to prevent rusting

——————————————————————————

(2a)

Specimen C=Sandy soil
Specimen D=Loamy soil
Specimen E=Clay soil

(2b)
Specimen C
i)By mulching the soil
ii)By Application of farmyard manure

Specimen E
i)Addition of organic manure
ii)Addition of lime to reduce the acidity in the soil

(2c)

(Specimen E)
(Pick two)
i)it is fine grained
ii)it is plastic in nature
iii)clay soils are poorly drained and aerated
iv)it support water logging and erosion

2d)
i)Hand texture method
ii)Separation by sieving
iii)Separation by sedimentation

(2e)
(i) It is rich in organic matters
(ii) It’s dark nature brings about decaying of organic matters
(iii) It is contains high amount of soil micro organisms

—————————————————————
3a)
F: Yam tuber
G: Cassava Root
H: Ginger rhizome
3b)
F:root tuber
G:stem tuber
H:rhizomes
3c)
Spec F
I)yam mosaic disea
ii)yam rot
Spec G
I)cassava mosaic virus
ii)Bacteria blight
3d)
Spec F yam setts
Spec G stem cutting
Spec H rhizome
3e)
I)ginger drink
ii)ginger coffee
————————————————————–
(4a)
Specimen I- broiler
Specimen J- catfish
Specimen K – snail

(4b)
i)Gumboro disease
ii)Fowl pox disease
iii)Newcastle disease

(4c)
i)Scales
ii)Eyes
iii)Mouth
iv)Fins

(4d)
i)They are micro decomposers
ii)Source of food(protein)
iii)Source of income to the farmers.

(4e)
i)Dropping
ii)Feather
iii)Bones
iv)Blood

4f)
Specimen j
i) smoking
ii)drying
iii) cooking
iv) canning
v) freezing
vi) sun drying

Specimen K
I)Smoking
ii)Salting
iii)Cooking

GOODLUCK

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