2012 WAEC AGRICULTURAL
SCIENCE SPECIMENS
A= Organic manure
B= Inorganic manure
C= Sandy soil
D= Clay soil
E= Crucible
F= Source of heat/Bursen
Burner
G= Weighing Balance
H= Cultlass
I= Hoe
J= Shears
K= Rake
L= Watering can
M= Shovel
N= Groundnut seeds
O= Maize seeds
P= Guinea corn seeds
Q= Aphids
R= Lantern/Huricane lamp
S= Chicken egg
T= Tick
U= A chart showing a pig/Hand
drawing of a pig.
QUESTION AND ANSWER
(specimen A-organic
manure) USES
1.poultry
manure) USES
1.poultry
dr0pping 2.cow dung 3.farm
yard manure 4.compost
manure 5.ash
(SP B
INORGANIC MANURE) are
synthesised artificially USES:
1.N.P.K Fertilizer
2.Ammonium sulphate
3.sodium
4.urea
5.calcium
ammonium nitrate
6.super
phoshate
7.lime
ADVANTAGES
ND BENEFIT OF A
1.supplies
nutrient to crops
2.
increases soil fertility
3.binds soil particles 2gedar
4. Amproves soil structure
5.increases the yield of
crops 6.acts as a buffer in
the soil.
METHODS OF
APPLYING A.
Padcasting,spraying,side
dressing,band
methods...
EXPERIMENT TO
FIND THE PERCENTAGE OF
HUMUS CONTENT IN THE SOIL.
Mass of crucible=xg mass of
cruable +drysoil=yg mass of
drysoil=y-x=A(g),mass of
drysoil alterlating=z-x=B
(g),mass of humus=A-B % of
humus=A-B/A
X100....
EXPERIMENT TO FIND
THE % OF SOIL WATER.
METHOD=lnitial mass of the
soil is recorded and heated
in a crucible the mass is
recorded after heating nd
the mar7 of water is
recorded. Mass of crucible=X
(g),mass of cruable + fresh
soil=Y-X=A(g),mass of
crucible+heated soil=Z
(g),mass of dried soil=Z-X=B
(g),mass of water=(A-B) (g)
(SPECIMEN H-CUTLASS) LIST
eight uses,
(SEpCIMEN I-
HOE)list 5 uses
(SPECIMEN
J)list 5 uses
(SPECMEN K)list
5 uses
(SPECIMEN L)list 3
uses
(SPECIMEN M)list 5 uses
(MAINTANANCE OF H,I,J,K,L&
N)
1. Clean&dry after use
2.straighten bent blade
3.rub
the metal with oil
4.avoid
rough handling
5.keep in cool
dry place
(SPECIMEN N-
GROUNDNUT)botanical
name=ARACHIS
HYPOGEA,varieties=1.castle
carry 2.kano local 3.kano 50
4.samuru 38,soil
requirement=1.sandy,loamy
nd highly acidic to
neutra..
PROPAGATION=seed,PEST=aphid,rodent,weevil,
CONTROL
1.spray with insecticide
2.settin of traps 3.early
harvest ,
DISEASES
=>1.rosette
disease(virus)
=>2.tikka
disease
=>3. Aspergillosis
4.seed rot (fungus)
(SPECIMEN O)botanical
name=ZEA ..varieties=deut
maize,sweet,corn
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