2017/2018 WAEC GCE EXPO: AGRIC PRACTICAL QUESTIONS AND ANSWERS NOW AVAILABLE HERE

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 AGRIC PRACTICAL ANSWERS FROM EXAMCLASS.NET
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1) a. Sieve
b. (i) For the separation of different soil particles
(ii) ¶ store in cool dry place
¶ wash and clean after use
¶ oil or grease regularly

1(c) i) clay
ii) silt
iii) sand(fine)
iv) gravel(coarse sand)

d). (i) The soil is acidic
(ii) ¶ wood ash
¶ limestone
¶ slags
¶ water
¶ dolomite/calcite

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2)

a) Disc plough

b) I – Furrow wheel
II – Beam
IV – Disc Scraper
V – Disc

c) ¶ *Furrow wheel* – Used for stabilising the rear end of the plough and for guiding the direction of the plough.
¶ *Beam* – Used for holding discs in position or for attachment.
¶ *Standard*- It holds the disc firmly to the beam
¶ *Disc Scraper*- Used for removing mud from the disc
¶ *Disc*- For tilling the soil

d) For tilling the soil where crops are to be planted

e) ¶ clean or wash and dry after use
¶ repair or replace faulty parts
¶ grease joints and parts
¶ keep away from rain to avoid rusting

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3a)

I – Tassels (male flowering part)
II – Silk (female flowering part)
III – Ear/husk
IV – Leaf
V – Stem

b) Direct seeding

c) ¶ Threshing
¶ Winnowing
¶ Sieving

d) maize picker/harvester

e) ¶ Black bundle disease
¶ Black/brown spot disease

f) ¶ Use of tolerant/resistant varieties
¶ crop rotation

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4a)
I-liverfluke
II-fowl tick

4b)
-it leads to loss of blood.
-it causes liver rot
-it obstructs the bile duct
-it may result in death
-it lead to digestive disturbance

4c)
Cattle
Sheep
Goat

4d)
-tick fever
-heart water diseases
-anaemia

4e)dipping of the animal.
-animals should be kept in a clean surrounding.
-ticks should be hand picked from the body of the host animal
-practice rotational grazing or paddocking
-animal bedding should be changed regularly.

Mr class cares

 

 

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