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.
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 13
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 14
waec2007
Golden brown lesions on peeled yam tuber indicate infection by
Abacteria
Bvirus
Cfungi
Dnamatode
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Question 15
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 16
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 17
waec2007
Which of the following crops does not require nursery?
Alycopersicon esculentum
Babelmuscus esculentus
Ctheobroma cacao
Dhevea braziliensis
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Question 18
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 19
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 20
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 21
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 22
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 23
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 24
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 25
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 26
waec2007
The standard length of a Gunter's chain is approximately
A20 m
B25 m
C35 m
D40 m
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Question 27
waec2007
Which of the following statement about the advantages of farm mechanization is not true? It
Asaves labour
Bimproves soil structure
Creduces drudgery
Dincreases output
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Question 28
waec2007
Silos ensure good storage because
Athey are made of stainless steel
Bof the air-tight environment created
Ca lot of produce can be stored at a time
Dthey have high relative humidity
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Question 29
waec2007
The most versatile source of farm power in West Africa is
Abiogas
Banimal
Cwind
Dwater
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Question 30
waec2007
I. Burning of trash II. Slashing of undergrowth III. Seed bed preparation IV. Soil tillage. Which of the following practices will enhance loss of soil water?
