FREE Waec Gce 2017 Agricultural Science Practical Answers Now Available

FREE Waec Gce 2017 Agricultural Science Practical Answers Now Available

FREE WAEC GCE 2017 AGRICULTURAL SCIENCE PRACTICAL ANSWERS NOW AVAILABLE


1a)
i)sieve

1bi) i)to determine the
particles sizes of the soil
1bii) i)not leaving them on the floor
ii)use it for the right purpose
iii)not using large stones on it

1c)
Tabulate And Fill It.

i)clay
ii)0.02 — 0.002
iii)fine sand
iv)coarse stone
1d)
i)acidity
1dii)
i)lime stone (CaCO3)
ii)slaked lime (Ca(OH)2)
iii)quick lime (CaO)

2a)
i)disc plough

2b)
I)furrow wheel
II)beam
III)Standard
IV)disc scraper
V)-disc

2c) I)furrowwheel (function) It provides a balancing effect for the plough as it support both vertical and side thrusts. 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)
i)this is a particular
implement used for turning the soil upside down into lumps for farming purpose.

2e)
i)wash and clean after use ii)store in a cool dry place
iii)always do periodic checks before and after use to increase life span.
iv)grease metal parts or joints to prevent excessive friction v)tighten all bolts and nuts in the machine

3a)
I- male(inflorescence)
II- style
III- cob
IV- leaf with parallel vein V- steam

3b) i)by seed
3c)
i)perboling
ii)miking
iii)supplying
iv)thuming

3d)
combined harvester

3e)
i)leaf spot
ii)corn smut

3f)
i)distroy diseased plant
ii)apply appropriate fungicide

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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