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.
Ruminants do not normally show deficiency symptoms of vitamin B complex because
Athe grasses they consume are very rich in the vitamins
Bthey do not need the vitamins
Cthey tolerate the deficiency of these vitamins
Dthe bacteria in their rumen synthesize the vitamins
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Question 482
waec2007
Which of the following structures is not connected to the urethra of a bull?
Abladder
Bepididymis
Ctestis
Drectum
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Question 483
waec2007
Assuming that in sheep, the allele for black coat colour is dominant over that for brown coat colour. Crossing a heterzygote black with a homozygote brown will produce
A100% brown coat coloured offspring
B75% brown coat coloured offspring
C50% brown coat coloured offspring
D25% brown coat coloured offspring
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Question 484
waec2007
Assuming that in sheep, the allele for black coat colour is dominant over that for brown coat colour. What percentage of the F generation will have black colour when two heterozygotes are crossed?
A100%
B75%
C50%
D25%
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Question 485
waec2007
Biological methods of weed control do not include
Aintroducing insects to control weeds
Bplanting crops to compete with the weeds
Cplanting leguminous cover crops
Duprooting the weeds
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Question 486
waec2007
The side effects of the various preventive and control measures of pests and diseases of crops include the following except
Aimproved quality of farm produce
Benvironmental pollution
Cpoisoning of wildlife
Ddisruption of the ecosystem
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Question 487
waec2007
The eradication of mealy bugs is an effective control of
Acorn smut
Bswollen shoot of cocoa
Cgroundnut rosette
Drice blast
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Question 488
waec2007
Golden brown lesions on peeled yam tuber indicate infection by
Abacteria
Bvirus
Cfungi
Dnamatode
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Question 489
waec2007
Deforestation will eventually lead to
Aimprovement in soil fertility
Bimprovement of soil texture
Closs of soil organic matter
Dincrease in soil pH
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Question 490
waec2007
An erect tropical perennial grass which grows to 3 - 6 metres tall and has broad hairy leaves is the
Aelephant grass
Bgaint star grass
Cspear grass
Dgamba grass
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Question 491
waec2007
Which of the following crops does not require nursery?
Alycopersicon esculentum
Babelmuscus esculentus
Ctheobroma cacao
Dhevea braziliensis
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Question 492
waec2007
Tomato plants are primarily staked to
Aprevent birds from feeding on the fruits
Baccelerate fruits maturity
Craise fruits from the ground
Dincrease crop growth
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Question 493
waec2007
Delayed harvesting of maize may result in
Aimprovement in the quantity of grains
Bhigh incidence of pest infestation
Clow seed viability
Dyellow colouration of grains
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Question 494
waec2007
If the seed rate of guinea corn is 5.6 kg per hectare, what will be the amount of seed required for planting 35 acres of farm land?
A40.6 kg
B78.4 kg
C196.0 kg
D784.0 kg
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Question 495
waec2007
Which of the following factors will not influence the yield of crops?
Asoil depth and structure
Bsoil slope and texture
Catmospheric and soil temperature
Dwind direction and speed
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Question 496
waec2007
Drying of harvested crops is necessary because it
Ashortens the length of seed dormancy
Breduces moisture content and stores better
Ccannot bo sold to consumers when it is wet
Ddecreases the viability of the cross
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Question 497
waec2007
Layering is advantageous because
Aoffspring perform better than their parents
Bpollination agents abound to ensure its success
Cpossibl failure of fertgilization is avoided
Dvariability arises in propagates
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Question 498
waec2007
Which of the following processes in plants are directly affected by high temperature? I. Water absorption II. Photosynthesis III. Respiration IV. Photoperiodism
AI and II only
BI,II and III only
CI and IV only
DII,III and IV only
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Question 499
waec2007
A farmstead is best described as
Aanimal pens
Bcrop production centre
Cfarm equipment and storage facilities
Dfarmer's abode
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Question 500
waec2007
The standard length of a Gunter's chain is approximately
