WAEC GCE Agricultural Science Practical Questions 2019 : Current School News


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WAEC GCE Agricultural Science Practical Questions 2019 | Check Answers Here.

WAEC GCE Agricultural Science Practical Questions 2019… In this article, I will be showing you past WAEC GCE Agric Practical random repeated questions for  free. You will also understand how WAEC Agric Practical questions are set and many other examination details. stay focus and read through.


WAEC GCE Agricultural Science Practical Questions 2018

The West African Examinations Council (WAEC) is an examination board that conducts the West African Senior School Certificate Examination, for University and Jamb entry examination in West Africa countries. … In a year, over three million candidates registered for the exams coordinated by WAEC.

WAEC GCE Agricultural Science Practical Questions

1ai)

To determine the presence of microorganisms in a soil sample
1aii)

Conical flask I : At the end of the Experiment , the lime water in Conical flask I will turn milky

Conical flask II : At the end of the experiment, the lime water in Conical flask II will remain clear
1aiii)

Fresh soil contains living organisms
1aiv)

-They improve soil structure

-They improve soil aeration

1b)This Experiment is Artificial Propagation by Growth
1biii.
– pollination agent which can be fail to perform successfully are not required
– the hazards of fertilizatiom are avoided
– the new plants mature fast because the offspring tend to acquires the age of the parent
– the offspring are true to types because there is no mixture of hereditary characters.

1c)There is increase in photosynthesis activities

DISADVANTAGES
-Leads to high evaporation content in plant.

2a-Solar Power(Sun)

2b
I)it is used in drying process
Ii)it can produce electricity
Iii)it is used in 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
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)-Fowl colera
ii)- Pollurium
iii)-Cocialiosis
iv)-Disease

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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