Posted on: 04:47 Sun, 10 Jun 2018



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Exam Time: Monday 11th June 2018
Practical – Agricultural Science – 10: 00am – 11: 30am
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AGRIC PRACTICAL ANSWER:-

(1a)
Specimen A: is knapsack sprayer
Specimen 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)
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

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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)
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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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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(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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