NECO 2018 Agricultural Science Answer – June/July Expo

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

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(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

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NECO 2018 Agricultural Science Answer – June/July Expo

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