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Waec Gce Agricultural Science Practical Answers – Nov/Dec 2018 Expo
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chidusky (m)
0 year ago
^ MEANS "Raise To Power"
/ MEANS "Division"
* MEANS "Multiplication"

3a)
I - grasshopper
II - weevil
III - Beetle
=======================

4a)
I- Duct
II- Testis
III- Penis
VI- Seminal Viscule
V - penis coat
IV- epididemis

4b)
-Duct - it moves the sperm cell from testis, to penis
-Testis- It helps to store the sperm cells of spermatozoa.
-Penis- It is used to introduce the Sperm cell into the female
-Seminal Visicule- It helps to form a fluid in which the Sperm cells can move.
-Penis Coat: It protects the penis
-Epididemis: it produces the sperm calls.

4ci)
castration
4cii)
-Duct will be cut
-The epididemis will be removed
===============================

2a)
Area of farmland =1/2(70+90)40
=1/2(160)*40
=80*40=3200m^2

2b)
The spacing will take an area of 4*4 =16m^2
The number of banana plants in the farmland
=total area of farm land/area taken by each banana =3200m^2/16m^2=200

2ci)
I. Raging, pole
II. Pins, peg
2cii)
Uses of I
i)for making stating
ii)for making straight linea
Uses of II
i)for making off chain length as measured
ii)for making stating
2ciii)
All the equipment should be clean after use
================================

1a)
To determine the moisture content in the soil

1b)
I. evaporating disk
II. Garden soil
III. Tripod stand
IV. Bunsen's Burnes

1ci)
80-35=45g
1cii)
60-45=15g
1ciii)
=Mass of water/mass of fresh soil*1/100
=15/80*100/1=18.75%

1d)
i)rainfall
ii)condensation
iii)precipitation