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.
Fruits should be harvested at the appropriate time in order to
Aprevent them from brusing
Bminimize their sugar content
Creap increased fruiting
Densure good quality produce
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Question 12
waec2012
The first activity to undertake before establishing a plantation is to
Asurvey the land
Bclear the land
Cprepare the seed beds
Draise seedlings
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Question 13
waec2012
Striga spp. is a parasitic weed of
Acotton
Borange
Cgroundnut
Dsorghum
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Question 14
waec2012
Which of the following insect-pests possesses biting and chewing mouthparts?
Agrasshopper
Bweevil
Caphid
Dcotton stainer
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Question 15
waec2012
Which of the following statement about the effects of diseases on crops are true? Reduction in I. quality of products II. photosynthetic ability III. cost of production IV. yield of the produce
AI and II only
BI and III only
CI,II and III only
DI,II and IV only
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Question 16
waec2012
Ornamental plants reduce noise pollution in the environment by
Ascattering sound energy
Breflecting sound waves
Cdispersing sound waves
Dabsorbing sound energy
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Question 17
waec2012
The botanical name of groundnut is
Avigna unguiculata
Barachis hypogaea
Cphaseolus vulgaris
Dglycine max.
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Question 18
waec2012
Citrus is usually propagated by
Abudding
Blayering
Cuse of stem cuttings
Duse of bulbs
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Question 19
waec2012
The frequency of weed control on a tomato farm does not depend on
Arainfall
Bsoil fertility
Cnearness to homestead
Dplanting distance of crops
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Question 20
waec2012
The following crops require staking except
Atomato
Byam
Cpumpkin
Dguinea corn
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Question 21
waec2012
Which of the following processes are associated with rubber production? I. coagulation II. fermentation III. tapping
AI and II only
BI and III only
CII and III only
DI,II and III
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Question 22
waec2012
If the recommended spacing for a tree crop is 2.5m by 4.0m. How many seedlings are required to plant 2 hectares of farmland?
A8,000 seedlings
B3,000 seedlings
C2,000 seedlings
D1,000 seedlings
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Question 23
waec2012
Which of the following combinations of activities gives the correct sequence of nursing seeds? I. watering of sown seeds II. making drills with a dibber III. covering seeds with palm fronds IV. sowing seeds in drills
AII,IV,III and I
BIII,II,I and IV
CIII,IV,II and I
DII,III,IV and I
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Question 24
waec2012
If grains are not properly dried before storage, they are likely to
Alose viability at a fast rate
Bremain domant for a long time
Csynthesize carbohydrate during storage
Dgerminate faster when planted in the field
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Question 25
waec2012
The farm power which is most adaptable to farm operation in West Africa is
Aanimal power
Bwind power
Chuman power
Dsolar power
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Question 26
waec2012
Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.
A5.0 kg
B7.0 kg
C10.0 kg
D20.0 kg
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Question 27
waec2012
Which of the following statement are advantages of mulching? It I. controls weeds II. conserves soil moisture III. increases soil temperature IV. reduces soil pH
AI and II only
BI and III only
CII and IV only
DIII and IV only
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Question 28
waec2012
Loss of nitrogen from the soil through the removal of oxygen from nitrates by bacteria is known as
Aammonification
Bdehydration
Cdentrification
Dnitrification
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Question 29
waec2012
Which of the following terms is not associated with surface irrigation?
Atile
Bbasin
Cdyke
Dfurrow
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Question 30
waec2012
Which of the following factors should be considered in selecting cover crops? The cover crops must I. be easy to propagate II. compete with the main crops III. have roots capable of binding soils IV. be slow growing
