NECO 2018 Agric Science Practical Answer – June/July Expo

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Agric science practices

1a)

A: is knapsack sprayer

B: is watering can

1b)

i)Carry out a pre-operation service and prepare the sprayer for

the job.

ii)Mark out a 25m2 calibration plot in the area to be sprayed

with a peg in each corner (the 25m2 can be any configuration

– e.g. 5m x 5m, 12.5m x 2m, 25m x 1m or 16.6m x 1.5m, or

any other combination to give 25m2).

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)

Spec A

i)it has nozzle

IiIt is calibrated

Spec B

i)It has handle

ii)It has a spout

1f)

Fertilizer

1g)

i)Store I cold dry place

ii)Clean and dry after use

iii)Use silica gel packs or rust collector to prevent rusting

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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

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(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)​

(Pick three)

i)it provides good aeration

ii)it is rich in organic matters

iii)it is well drained and has a neutral or near neutral PH

iv)it is dark nature brings about decaying of organic matter

v)it contains high amount of soil micro organisms

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(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

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COMPLETED

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