WAEC GCE Nov/Dec 2018 Agric Science Practical Expo Answer

WELCOME TO AYOSTUFFS WACE GCE BEST EXAM EVER

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KEEP REFRESHING IN EVERY 5MIN 
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(1a)
To determine the water content of the soil sample.

(1b)
I - Crucible.
II - Soil sample.
III - Retort stand
IV - Bunsen burner

(1ci)
Water of dry sand = weight of sand and container - weight of container
= 80g - 32g
= 45g

(1cii)
Weight of water lost = original weight of sand and container - final weight
= 95g - 80g
=15g

(1ciii)
Percentage of water lost
= 15/80 x 100/1
= 18.66%

(1d)
(i) Capillary water
(ii) Hygroscopic water
(iii) Gravitational water

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(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
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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 stoxe 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


AGRIC PRACTICE ANSWER LOADING.............

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