Study and practice Agricultural Science past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.
The greatest disadvantage of using a bulldozer in land clearing is that it
Aremoves the fertile top soil along with the vegetation
Bmakes the soil lose its texture
Callows the fast growth of weeds after clearing
Dincreases the incidence of pests
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Question 23
waec2009
The best source of farm power for agricultural production is
Ahuman power
Banimal power
Cmechanical power
Dsolar power
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Question 24
waec2009
The removal of excess water from the sub-soil is known as
Airrigation
Bdrainage
Cevaporations
Ddehydration
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Question 25
waec2009
Which of the following statements indicate advantages of sub-surface irrigation? I. Low operation cost once established II. Does not disturb the movement of implements III. Permits efficient use of water IV. easily floods the field
AI,II and III only
BII,III and IV only
CI,II and IV only
DI,II,III and IV
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Question 26
waec2009
Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?
Aammonium nitrate
Blime
Curea
Dsingle superphosphate
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Question 27
waec2009
Controlled burning has the advantage of
Aincreasing the number of soil organisms
Binducing re-growth of pasture grasses
Cincreasing the amount of nutrients in the soil
Dimproving soil structure
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Question 28
waec2009
The atmosphere gains carbon dioxide through the following ways except
Aburning of fuel such as coal and wood
Brespiration by plants and animals
Cphotosynthesis in plants
Ddeath and decay of plants and animals
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Question 29
waec2009
Magnesium deficiency in crops can be corrected by the application of
Adolomite
Blimestone
Cquicklime
Durea
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Question 30
waec2009
It is not advisable to apply fresh farmyard manure because
Aits heat of decomposition may cause scorching of plants
Bsome microorganisms in the manure may die
Cthe manure may increase soil acidity
Dthe manure may increase soil alkalinity
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Question 31
waec2009
Chemical weathering is fastest in
Acool weather
Bhot weather
Chigh altitudes
Dlow altitudes
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Question 32
waec2009
Which of the following rocks is not formed from pre-existing rocks?
Alimestone
Bgranite
Cshale
Dmarble
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Question 33
waec2009
The following processes in soil formation are caused by biotic factors except
Abacterial decomposition of plants
Bsoil mixing and turning by earthworms
Cburrowing of rodents
Dsoil disintegration by dehydration
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Question 34
waec2009
The natural grasslands of West Africa are generally located in the
Arain forest
Bguinea savanna
Cmangroves
Dequatorial belts
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Question 35
waec2009
The use of land for agricultural purpose involves the following except
Alivestock grazing
Bfish farming
Croad construction
Dcrop production
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Question 36
waec2009
The practice of growth both food and forage crops simultaneously on the same piece of land is called
Apastoral farming
Bley farming
Ccrop rotation
Dcontinuous cropping
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Question 37
waec2009
Agricultural land use is negatively affected by
Atype of soil
Bclimatic factors
Cincrease in population
Dincrease in soil micro-organisms
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Question 38
waec2009
Which of the following statements about communal land tenure system is true?
Ait gives the owner complete freedom on the land
Bthe land can be used as collateral for agricultural loans
Cthe land can be shared by the owner's children
Dmechanical agriculture can be profitably practised
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Question 39
waec2009
An advantage of commercial agriculture is that it
Arequires small space
Brequires skilled labour
Cproduces high returns
Dinvolves low capital
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Question 40
waec2009
The most important contribution of agriculture to mankind is the provision of
