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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.

55 questions JAMB 628 WAEC 2054 CUSTOM 1
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Past Questions

55 questions
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Question 1 of 15 55 total questions
Question 21
waec 2004
Farm drainage does not lead to
Aimprovement in soil structure
Bimprovement of oil temperature
Cincreased soil aeration
Dreduction of soil alkalinity
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Question 22
waec 2004
Which of the following will not lead to loss of nitrogen compounds from the soil?
Acrop removal
Bburning
Clodging
Dleaching
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Question 23
waec 2004
In the nitrogen cycle, nitrite is oxidized to nitrate by
Anitrobacter
Bnitrosomonas
Cazotobacter
Drhizobium
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Question 24
waec 2004
Leguminous cover crops do not
Abind the soil particles together through their roots
Bincreaes the nitrogen content of soils
Caid in improving the soil organic matter content
Dreduce the soil microbial population
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Question 25
waec 2004
A disadvantage of using organic manure on the soil is that
Ait decreases the potassuim content of the soil
Bdiseases spread fast
Cit increases the humus content of the soil
Dit reduces the rate of soil water evaporation
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Question 26
waec 2004
Which of the following processes will not lead to the loss of nutrients from the soil?
Aerosion
Bmulching
Charvesting
Dleaching
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Question 27
waec 2004
Which of the following soil water is tightly held to the surface of soil particles?
Ahygroscopic water
Bgravitational water
Ccapillary water
Dsuperfluous water
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Question 28
waec 2004
The most important soil micro-organism causing decay and nutrient recycling are
Abacteria and fungi
Bfungi and algae
Calgae and actinomycetes
Dbacteria and algae
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Question 29
waec 2004

What is the percentage porosity of a soil sample whose volume is 250cm when the volume of air is 200cm?

A20
B25
C50
D80
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Question 30
waec 2004
Clay particles are able to attract cations in the soil because they
Aare positively charged
Bhave excess negative charges
Care sticky
Dcan be moulded
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Question 31
waec 2004
Igneous rocks formed within the crust are called
Aguartzite
Bvolcanic
Cplutonic
Dstratified
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Question 32
waec 2004
The use of land for agriculture is not influenced by
Alabour
Bclimate
Ctopography
Dpopulation
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Question 33
waec 2004
The land tenure system that results in fragmentation of land is
Afreehold
Bgovernment tenancy
Cinheritance
Dleasehold
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Question 34
waec 2004
Which of the following land tenure systems encourages the establishment of permanent crops?
Afreehold system
Btenancy
Cleasedhold system
Dpledging
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Question 35
waec 2004
One factor which differentiates a subsistence from a commercial farmer is that the former produces
Afor the benefit of his community
Bonly one type of crop
Cfor the benefit of his family
Draw materials for agro-based industries
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