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Agricultural Science
JAMB 2015
Agricultural Science 2015 JAMB Past Questions
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31
The instrument which enables a surveyor to find the direction of a base line is
A.
Abney level
B.
ranging pole
C.
plumb bob
D.
magnetic compass
View Answer & Discuss
JAMB 2015
32
In crop production, ginger is propagated by
A.
seeds
B.
bulbs
C.
rhizome
D.
corn
View Answer & Discuss
JAMB 2015
33
Tomatoes are staked in order to
A.
accelerate their growth
B.
induce flowering
C.
accelerate fruit ripening
D.
prevents rotting of fruits
View Answer & Discuss (3)
JAMB 2015
34
Crop rotation decreases the incidence of pests by
A.
breaking life cycles of pests
B.
attracting pest predators
C.
Sterilizing the soil
D.
maintaining soil fertility.
View Answer & Discuss
JAMB 2015
35
The following are advantages of sub-surface irrigation except that
A.
it is suitable for soils with low water holding capacity
B.
it can be used only for specific types of crops
C.
the rate of evaporation is greatly reduced
D.
it reduces the incidence of pests
View Answer & Discuss (1)
JAMB 2015
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