WAEC GCE 2018/2019 AGRIC ALTERNATIVE TO PRACTICAL Answers NOV/DEC

WAEC GCE 2018/2019 AGRIC ALTERNATIVE TO PRACTICAL Answers NOV/DEC

Here is the only place to get real free 2018 NOV/DEC WAEC GCE AGRIC SCIENCE PRACTICAL Paper (3) Questions and Answers , expo/runz.

(NUMBER 1)

(1a)
To determine the moisture content in the soil

(1b)
I=Evaporating dish
II=Garden soil
III=Tripod stand
IV=Bunsen burner

(1ci)

Weight of the water lost =original weight of sand and container - weight of container

80 - 35=45g

(1cii)
Weight of water lost=original weight of sand and container - Final weight

60 - 45 =15g

(1ciii)percentage of water lost from the soil=
Mass of water / mass of fresh soil × 100 / 1

=15/80 × 100/1
=18.75%

(1d)
(i)Rainfall
(ii)Condensation
(iii)percipitation

+++++++++++++++++++++++++++++

(2a)
Area of farmland = 1/2(70+90)40
=1/2(160)×40
80×40=3200m²

(2b)
The spacing will take an area of 4×4 = 16cm²
The number of banana plants in the farmland =
Total area of farmland/Area taken by each banana
=3200m²/16m²
=200

(2ci)
I - Raging pole
II - Survey Pin

(2cii)
Uses of I:
(i) For mark out area to be measured
(ii) It guides the surveyor

Uses of II:
(i) For marking out chain length as measured
(ii) For making out areas that are not straight

(2ciii)
(i) Rub oil on the metal surface before storage
(ii) Store in a dry place

+++++++++++++++++++++++++++

(3a)
I - Grasshopper
II - Weevil
III - Cotton stainer

(3b)
I - Grasshopper exhibits incomplete metamorphosis that is Egg-nymph-adult

(3c)
(i) Transmission of diseases which are harmful to crops.
(ii) It means to stunted growth of plants.
(iii) It leads to yellowing of leaves due to the absence of micro nutrients like phosphorous
(iv) It leads to death of plants

(3d)
(i) Setting traps like funnel entrance traps with trigger mechanism
(ii) Use of avicides
(iii) Use of fenced traps
(iv) Use of poison baits

 

WAEC GCE 2018 AGRIC ALTERNATIVE TO PRACTICAL QUESTIONS And ANSWERS/EXPO/DUBS/RUNZ,

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