» »

Agric Agricultural Science (Practical) Waec GCE 2016 Free Expo Answers


Agric Agricultural Science (Practical) Waec GCE 2016 Free Expo Answers
+++++++++++++++++++++++++++++++
Thursday, 22nd September, 2016
Agricultural Science (Alternative t
Practical Work) 9.30am -11.00am
+++++++++++++++++++++++++++++++

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
==================================


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 wapbaze.com not possible to control it
iii)only available during the day


2d
I)Electrical power
II)Solar power
III)Mechanical power
Iv)Human power
V)Water power
==================================



3a)
I-comb
II-wattle

3bi)
i)Intensive system
3bii)
i)there is considerable reduction in labour
ii)allow hen to stand and sit
3biii)
i)Ensure hen is confined which permit
limited movement.
ii)allowing hen to stand comfortably
3biv)
i)ensure hen stand and sit comfortably
ii)ensure tightening of the cage
iii)ensure confined of the cage
iv)ensure permit of limited movement

3c)
i)fowl cholera
ii)pollurium
iii)cocidiosis diseases
==================================


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






If you misbehave in our whatsapp group and you get removed, it's final, you won't be added again. So behave yourself
CLICK HERE TO JOIN OUR WHATSAPP GROUP 2 Sharp Sharp before it gets filled up







Related Article


Posted By KellyChi On 05:44 Wed, 21 Sep 2016

Comments:13 || Views:















[1]
Comment
Name






.....................

Please LOGIN or REGISTER To Gain Full Access To This Article