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.
At which of the following ages are gilts normally mated?
A8 - 12 months
B14 - 15 months
C15 - 20 months
D21 - 24 months
Eover 25 months
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Question 12
waec1989
The part of the ruminant stomach from which digestive juices secreted is the
Arumen
Breticulum
Comasum
Dpaunch
Eabomasum
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Question 13
waec1989
Contact insecticides are used to control
Apod borers of legumes
Bstem borers of cereal
Cleaf beetles of legumes
Dpeel worm of legumes
Ebollworms of cotton
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Question 14
waec1989
Vegetables propagation can be carried out through the following processes except
Aseedling
Bcutting
Clayering
Dgrafting
Ebudding
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Question 15
waec1989
The expression of a gene in the phenotype irrespective of whether the cell is homozygous or heterozygous is known as
Arecessive
Bpartial dominance
Ctest-cross
Dsegregation
Edominance
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Question 16
waec1989
Thrips cause serious mechanical damages to crops by their
Afeeding activities on flowers, leaves and fruits
Blaying eggs on plants
Csucking of the sap of crops
Dburrowing activities causing damping off in crops
Eactivities as vectors of bacterial diseases
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Question 17
waec1989
The average seed rate for maize is 25 kg per hectare. Allowing for a seed wastage of 5 per cent.How many kilogram of seeds would be required in planting 10 hectares of farmland?
A237.5
B238.0
C250.0
D255.0
E262.5
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Question 18
waec1989
Why should a seed-producing farmer spray an insecticide on his crops only when the bees are not around?
Athe bees would sting him and he therefore avoids them
Bthe farmer does not want to waste his chemicals
Cbees are important for pollination of his crops
Dbees produce honey for him in his farm
Ebees are harmless insects
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Question 19
waec1989
The process of meiosis in plants ensures the production of reproduction of reproductive cells with
Athe same number of chromosomes like the parent plant
Bhalf the number of chromosomes of the parent plant
Cno chromosomes like the parent plant
Dthrice the number of chromosomes of the parent plant
Etwice the number of chromosomes of the parent plant
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Question 20
waec1989
The disease which most attacks groundnut is called
Arosette
Bmosaic
Csoft rot
Dpowdery mildew
Ebrown rot
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Question 21
waec1989
A forest established for watershed management will perform the following functions except
Areducing water pollution
Bcontrolling fish population
Ccontrolling erosion
Dmaintaining a steady stream flow
Ereducing evaporation
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Question 22
waec1989
In the establishment of pastures, it is best to
Aplant only grasses
Bplant only legumes
Cplant a mixture of grasses and legumes
Dlet the natural grasses grow
Eallow weeds to mix with the forage crops
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Question 23
waec1989
Which of the following crops is a raw material for production of chocolate?
Akolanut
Bcoffee
Cbanana
Dcocoa
Eavocado pear
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Question 24
waec1989
The units of inheritance which determine the various characteristics of crop are called
Achromosomes
Bnuclei
Cgenes
Dcytoplasm
Emembranes
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Question 25
waec1989
Which of the following is not an effect on man of the various preventive and control measures of diseases and pests of crops?
Aair pollution
Bwater poisoning
Cfood contamination
Dpoor health
Epoor utilization
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Question 26
waec1989
The growing of both forest and agricultural crops on the same piece of land is termed
Amixed cropping
Bmixed farming
Cforestry
Dtaungya system
Epoor reproductive ability
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Question 27
waec1989
The desirable characteristics of forage crops include the following except
Apalatability
Bdependability
Chigh yield
Dresistance to trampling
Epoor reproductive ability
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Question 28
waec1989
The distance between two successive yam mounds should be about
A0.10 m
B1.00 m
C10.00 m
D100.00 m
E1000.00 m
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Question 29
waec1989
The best tool(s) a farmer should use to measure out a large farm accurately include(s) the
Agarden line and measuring tape
Bmeasuring tape and ranging poles
Cmeasuring tape only
Dgarden line only
Eranging poles and garden line
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Question 30
waec1989
The most important limitation of agricultural mechanization is
