Agricultural Science Past Questions

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.

58 questions JAMB 628 WAEC 2054 CUSTOM 1
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Past Questions

58 questions
Question 1 of 18 58 total questions
Question 21
waec 1989
The instrument used to measure the relative humidity is
Athermometer
Banemometer
Chygrometer
Dhydrometer
Erain gauge
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Question 22
waec 1989
Which of the following sources of farm power cannot be effectively used for processing agricultural products?
Aanimals
Belectricity
Csun
Dmachines
Ewind
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Question 23
waec 1989
The advantage of providing drainage ditches in farms is that it
Arequires periodic clearing
Bis inconvenient for farm mechanization
Cis labour intensive
Dis unsuitable for draining basement of farm buildings
Eis easily adopted by samll scale farmers
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Question 24
waec 1989
Rhizobium supplies nitrogen to leguminous plants by
Achanging some mineral salts to sulphate of ammonia
Bincoporating urea into its body
Cfixing atmospheric nitrogen
Ddecomposing plant remains
Eincreasing the PH value of the soil
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Question 25
waec 1989
The following are advantages of the sprinkler method of irrigation except
Arate of application of irrigation water can be controlled
Bportable nature of many sprinkler system make them suitable for use
Cthe sprinkler system can be made automatic
Dmethod can be where topography affects horrowing of land
Emethod may be difficult for local farmers to use
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Question 26
waec 1989
Slate is derived from
Aschist
Bsandstone
Cshale
Dgneiss
Equartzite
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Question 27
waec 1989
The function of soil micro-organisms include the following except
Adecomposition of dead plant and animal remains
Brecycling of nutrients
Ccausing plant or animal diesases
Dliving as parasites on crop plants
Efiltration of soil water for plant use
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Question 28
waec 1989
Which of the following is not an effect of burning on the soil?
Aincreasing the organic matter in the soil
Bincreasing the soil nutrients
Cincreasing the acidity of the soil
Dexposing the soil to erosion
Esterilization of the soil
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Question 29
waec 1989
Nitrogen is made available to plants in the form of nitrates through the process of
Adeamination and nitrification
Bammonification and denitrification
Cdeamination and ammonification
Dnitrification and dentrification
Enitrification and ammonification
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Question 30
waec 1989
The parent material of a soil is formed from the disintegration of
Asand
Bgravel
Csilt
Drock
Eorganic matter
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Question 31
waec 1989
The process whereby rocks are broken down into small particles through both physical and chemical factors is known as
Arock hydration
Brock degradation
Coxidation
Derosion
Eweathering
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Question 32
waec 1989
Which of the following environmental factors is likely to have the greatest influence on crop production in Nigeria?
Atemperature
Bvegetation
Cair movement
Dmoisture
Epressure
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Question 33
waec 1989
The factor that does not influence land use is
Atoptgraphy
Bpopulation pressure
Cpopulation graph
Dforest establishment
Esoil type
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Question 34
waec 1989
If a crop requires 1.5 kg phosphorus per hectare, how many kg of manure will be required per hectare if 1 kg manure contains 0.49 kg of phosphorus?
A2.47
B2.97
C7.35
D12.39
E30.61
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Question 35
waec 1989
The cross-section of a segment of soil showing the horizons or layers is known as the soil
Astructure
Btexture
Csection
Ddepth
Eprofile
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Question 36
waec 1989
Which of the following constitutes a direct monetary cash assistance from government to farmers?
Aagricultural development programmes
Bextension services
Csupply of inputs
Dloans
Etractor hiring services
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Question 37
waec 1989
The commonest method of land tenure in Nigeria is
Alease
Binheritance
Coutright purchase
Dpledge
Estate allocation
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Question 38
waec 1989
Peasant farmers sell almost all their produce immediately after harvesting because
Astored produce would be lost to pests
Bthere are inadequate storage facilities
Cstored produce lose their quality
Dthe commonest method of land tenure in nigeria
Ethe prices offered for stored produce are low
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