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 diseases of crops is not caused by a fungus?
Apanama disease of banana
Bsmut of rice
Cmould of stored grain
Dstreak of maize
Eblack pod isease of cocoa
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Question 1112
waec1996
Rice blast is caused by
Aa bacterium
Ba nematode
Ca virus
Da fungus
Ean insect
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Question 1113
waec1996
A common disease of onion is
Aleaf spot
Broot knot
Cleaf blight
Dtwister
Emosaic
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Question 1114
waec1996
Which of the following is not a protective function of forests?
Asoil conservation
Bwind break
Cwildlife conservation
Dtourist attraction
Eerosion control
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Question 1115
waec1996
Which of the following statements represents the best reason for making access roads in a forest plantation?
Afire-fighting purposes
Bweeding
Cfertilizer application
Dmulching
Eerosion control
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Question 1116
waec1996
The process by which a forest is renewed artificially is known as
Aforest regeneration
Bforest plantation
Cselective exploitation
Ddeforestation
Etaungya
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Question 1117
waec1996
Which of the following is not a characteristic feature of giant-star grass?
Avigorous growth, spreading and perennial
Bpossession of long and rapidly growing stems
Cdrought resistant and ability to withstand continuous grazing
Deasy to eradicate once established
Eeasily propagated from young cuttings
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Question 1118
waec1996
Common management particles in pastures include the following except
Arotational grazing
Bweed and pest control
Cfertilizer application
Dpaddocking
Eoverstocking
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Question 1119
waec1996
A perennial is a crop which
Areaches maturity early and stops producing fruits before two years
Bcan grow and produce fruits for more than two years
Cstops producing fruit two years after planting
Dcannot flower during two consecutive growing seasons
Eproduces two harvests within a year
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Question 1120
waec1996
Tomato crops are usually staked to
Aaccelerate rate of ripening of the fruits
Baccelerate growth
Cprevent rotting of fruits
Dinduce flowering
Eexpose the leaves adequately
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Question 1121
waec1996
The maturity period of tomato in days is about
A40
B90
C140
D160
E180
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Question 1122
waec1996
A fruit with many seeds that has many joined cerpels and dehisces along all sutures from base to apex is referred to as a
Acereal
Blegume
Ccapsule
Dberry
Enut
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Question 1123
waec1996
Which of the following is not an advantage of farm mechanization?
Atimely farm operations
Bhigh operating cost
Cgreen-manuring
Dimprovement of yields
Erapid land clearing
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Question 1124
waec1996
Irrigation can be defined as
Ahigh water table for plants
Ba system of farming in whivh crops are provided with water artificially
Ca type of farming where crops depend mostly on rainfall
Da type of farming practised in the fprest zones
Ethe storage of water for future farm operation
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Question 1125
waec1996
Which of the following is not an effect of bush burning on the soil?
Asterilizing soil against some harmful soil micro-organisms
Bdestroying the structure of soil
Cincreasing rate of nitrogen mineralization
Dpredisposing soil erosion
Emaintaining high levels of soil nutrients reserves
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Question 1126
waec1996
Adoption of clean clearing of land in the tropical rain forest is not advisable because it
Aencourages erosion arid leaching
Bis very expensive
Cis very difficult to practise
Deprives the farmer of continous use of wood
Eencourages compaction of soil
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Question 1127
waec1996
Lodging in crops is caused by excess supply of
Apotassium
Bsulphur
Ciron
Dnitrogen
Esodium
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Question 1128
waec1996
Which of the following types of fertilizer is recommended for use in high quantities for groundnut production?
Anitrogen fertilizer
Bphosphorus fertilizer
Cpotassium fertilizer
Dcompost
Epotassium and calcium fertilizer
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Question 1129
waec1996
The texture and the mineral composition of soil depend mainly on
Atopography
Blight intensity
Corganic matter
Dparent material
Etemperature
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Question 1130
waec1996
In an experiment to determine the percentage of humus content in a soil, the following results were obtained:
mass of dish = 10 gm
mass of dish and oven-dry soil = 50 gm
mass of dish and soil after heating = 40 gm
Calculate the percentage of humus in the soil sample.
