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.
Which of the following characteristics is not true of tree species used in alley cropping?
AShallow rooting system
BRegenerate rapidly after pruning
CExcellent canopy formation
DCapable of fixing atmospheric nitrogen
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Question 612
waec2013
Pruning is carried out to 1. control the size of the plants ll. obtain clean and attractive fruits III. ensure correct spacing of trees
Al and ll only
Bl and lll only
Cll and lll only
Dl, ll and lll
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Question 613
waec2013
The branch of horticulture that deals with the production of vegetables is called
Apathology
Bolericulture
Cfloriculture
Dpomology
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Question 614
waec2013
The characteristic of draught animals which does not influence traction effort is
Aage
Bsex
Cbreed of animal
Dmeat quality
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Question 615
waec2013
WHICH OF THE FOLLOWING STEPS GIVES A CORRECT SEQUENCE FOR SURVEYING A FARMSTEAD?
AReconnaissance → preliminary survey → mapping
Bmapping → reconnaissance → preliminary survey
Cpreliminary survey → reconnaissance → mapping
Dpreliminary survey → mapping → reconnaissance
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Question 616
waec2013
Which of the following features could lead to wrong reading on a prismatic compass?
AA BIG TREE
BWIND DIRECTION
CA POND
DMAGNETIC ATTRACTION
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Question 617
waec2013
Which of the following factors affect the work rate of draught animals? l. Feed intake ll. Breed of animal III. Harness for hitching. IV. Height of animal
Al, ll and lll only
Bl, ll and IV only
Cll, lll and IV only
Dl, ll, lll and IV
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Question 618
waec2013
One of the main disadvantages of mechanical tillage is the
Alow intial cost of equipment
Bneed for special training before machines can be used
Cuse of heavy equipment leading to soil compaction
Duse of foreign exchange to purchase machine parts
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Question 619
waec2013
a 100kg NPK 15: 15: 15 compound fertilizer has a filler make -up weight of
A30kg
B40kg
C45kg
D55kg
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Question 620
waec2013
Which of the following practices leads to land degradation in the savanna zones of West Africa? l. Constant annual bushfire ll. Overgrazing of grassland lll. Application of cattle manure. IV. Cutting of woody species for fuel wood
Al,ll and lll only
Bl, ll and lV only
Cll, lll, and IV only
Dl, ll, lll and lV
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Question 621
waec2013
The processes by which animals release carbon dioxide into the air are
Arespiration and decay
Brespiration and ammonification
Cnitrification and decay
Ddenitriflcatin and ammonification
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Question 622
waec2013
Plant nutrients are restored during the fallow period through
Areduced soil erosion
Baccumulation of soil organic matter
Creduced evaporation from the soil
Daccumulation of farmyard manure
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Question 623
waec2013
Which of the following species of bacteria lives symbiotically in root nodules of legumes?
AAzotobacter
BClostridium
CNitrobacter
DRhizobium
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Question 624
waec2013
Soils can become acidic as a result of the continuous application of
Asingle superphosphate
Bsulphate of ammonia
Cmuriate of potash
DNPK 15: 15: 15
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Question 625
waec2013
When compost is added to said, it
Areduces the activities of living organisms
Bincreases the porosity of the soil
Cincreases water-holding capacity of the soil
Ddecreases the soil acidity
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Question 626
waec2013
The rock weathering process involving the equation; CaCO3 + H2CO3 → Ca(HCO3)2 is called
Acarbonation
Bhydration
Chydrolysis
Doxidation
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Question 627
waec2013
Which of the following statements best describes sediment rocks?
Apre-existing rocks in which the original mineral has undergone change
Bweathered rock transported by wind to other places
Cmolten magma which has cooled down and solified
Drocks formed from breaking deposition and re-cementation of pre-existing rocks
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Question 628
waec2013
Marble is a metamorphic rock formed from
Alimestone
Bquartzite
Cshale
Dschist
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Question 629
waec2013
Which of the following factors affects the onset of flowering in crops?
AAtmospheric pressure
BWind
CDay length
DRainfall
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Question 630
waec2013
A socio-economic factor which affects the availability of land for agricultural use in West Africa is
