GCE AGRIC SCIENCE PRACTICAL 2016 FREE ANSWERS HERE!!

1)

1a)Solar power (Sun)
1ai)
To determine d presence of micro Organism in a soil
1aii)
Lime water in flask. I will turned milky and lime water in
flas II will remain clear
1aiii)
Shows that there are presence of micro-organism in d soil
sample in flask I and there is respiration which turn lime
water milky
1bi)
i)Vegetative propagation
1bii)
i)cocoa
ii)Kola
iii)coffee
1biii)
i)pollination agent which can be fail to perform
successfully are not required
ii)the hazards of fertilizatiom are avoided
iii)the new plants mature fast because the offspring tend
to acquires the wapbase.org age of the parent
iv)the offspring are true to types because there is no
mixture of hereditary characters.
1c)
-advantage-
i)It increases photosynthesis activities
-disadvantages-
i)leads to high evaporation content in plant
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2a-Solar Power
 2b
I)for drying fishes
Ii)to produce electricity
Iii)heating farm steads
 2c
Advantages:
I)It is easily available
ii)It is a very neat source of power
iii)it is very useful in farm photosynthesis
 Disadvantages
I)it is expensive to store and harness
ii)The energy from the sun can be erratic.its not possible
to control naijahud.com
 it
iii)only available during the day
2d
I)Electrical power
II)Solar power
III)Mechanical power
Iv)Human power
V)Water power
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3a)
I-comb
II-wattle
3bi)
i)Intensive system
3bii)
i)there is considerable reduction in labour
ii)allow hen to stand and sit
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4ai)
A:Green manure composting
B:Farmyard manure composting
4aii)
Fermentation
4aiii)
-It requires moisture for activities of microbes to take
place
4aiv)
Sun
4bi)
-To introduce microbes
4bii)
-To produce organic matter for composting
4biii)
-To provide moisture for microbial activities
4c
-To increase random/general microbial activities
-To improve uniform mixture of water and animal dung
-To ensure proper/maximum microbial activities
4di)
Mixer
4dii)
For mixing compost component
4e)
To avoid activities of other microbes that can cause
damage to the crops
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Thursday, 22nd September, 2016

Agricultural Science (Alternative t

Practical Work) 9.30am -11.00am

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