WAEC

Free Waec Gce 2017 Agric Science Practical Answers – Nov/Dec Expo 

WAEC

Waec Gce 2017 Agric Science Practical Answers – Nov/Dec Expo 
AGRIC PRACTICAL SOLUTIONS
1a

Sieve

1bi

It is used to seperate sands from stones
1bii

It should be clean after used

It should be kept in a cool dry place

If it made up of metal, It should be grease before long time store 
1c

i Clay –  0.002mm

ii SIlt – 0.002mm – 0.02mm

iii Find sand 0.02mm – 0.2mm

iv Coarse sand – 0.2 – 2mm    

                    

1di

Acidic
1dii

Application of slake lime

Application of quick lime

Application of ash

Application of limestone

Application of organic manure
======================
2a)disc plough
2b)

I)furrow wheel

Il)beam

III)Standard

IV)disc scraper

V)-disc
2c)furrowwheel(function)

It provides a balancing effect for the plough as it support both vertical and side thrusts.

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II)beam(function)

It holds disc firmly to the beam

III)Standard (function)

It holds the disc firmly to the beam

IV)disc scraper(function)

It is a point of attachment to the tractor or work animal

V)disc(function)

it rotates and cut the soil into vertical and horizontal upside down for agricultural activities.
2d)this is a particular implement used for turning the soil upside down into lumps for farming purpose.
2e)-wash and clean after use

-store in a cool dry place

-always do periodic checks before and after use to increase life span.

-grease metal parts or joints to prevent excessive friction

-tighten all bolts and nuts in the machine
=======================
3a)

I-male(inflorescence (

II)style

III)cob

IV)leaf with parallel vein

V)steam
3b)propagated by seed

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-maybe planted manually
3c)the husks can be removed from the cobs

-shelling should be done to remove grains from the cobs.

-winnowing is done to remove dirt from the grain.
3d)use of corn-picker
3e)maize rust

-leaf blight
3f)breeding of resistant varieties.

-applying recommended fungicides.
========================
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.
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Adeyemo Adewale Ayomide is the founder and editor of MyEduJobNews. He loves to share education news from various sources to keep readers informed.

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About Author

Myedujobnews Official

Adeyemo Adewale Ayomide is the founder and editor of MyEduJobNews. He loves to share education news from various sources to keep readers informed.

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