2002 - WAEC Agriculture Past Questions and Answers - page 3
21
The daily maintenance practice carried out on a disc harrow is
A
changing the disc
B
cleaning the soil off the disc
C
smearing the disc with oil
D
sharpening the edges of its scraper
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22
Which of the following is an advantage of mechanization?
A
carrying out many farm operations with ease
B
displacing many farm workers
C
exposing soil to direct effect of sunlight and erosion
D
polluting the environment with industrial gases and wastes
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23
Sexual propagation involves the use of
A
buds
B
seeds
C
cuttings
D
vines
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24
The process of inducing root development on portions of stems still attached to the parent plant is known as
A
budding
B
grafting
C
layering
D
tillering
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25
Which of the following crops requires shade in the early stages of its growth in the field?
A
coconut
B
banana
C
cotton
D
cocoa
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26
Which of the following groups of crops is widely frown in areas with high rainfall?
A
cocoa,oilpalm,rubber and kola
B
millet,onoin,cotton and sorghum
C
coffee,cocoa,cotton and millet
D
rubber,onion,oil palm and cotton
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27
An important forage crop in West Africa is
A
maize
B
rice
C
giant star grass
D
guinea corn
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28
The most important reason for encouraging afforestation in the arid regions of West Africa is to
A
provide timber for building purposes
B
provide shelter for wildlife
C
produce medical plants
D
serve as wind break
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29
The growing of both forest trees and arable crops simultaneously on the same piece of land is termed
A
mixed cropping
B
mixed farming
C
pastoral farming
D
taungya system
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30
Which of the following plant diseases is not caused by fungi?
A
rice blast
B
maize streak
C
cassava leaf-spot
D
maize rust
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