1993 - WAEC Agriculture Past Questions and Answers - page 3
21
Which of the following is not a disadvantages of wind power?
A
its supply is sporadic
B
its source is the wind
C
it is very expensive
D
the supply is uncertain
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22
Which of the following is not an effect of badly arranged farm?
A
efficient management
B
time wastages
C
expensive labour
D
low output
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23
Which of the following should be checked daily before using a tractor?
A
engine oil
B
spark plug
C
distributor
D
air cleaner
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24
The botanical name of giant star grass is
A
andropogon tectorus
B
pennisetum purpureum
C
panicum maximum
D
cynodon plectostachyum
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25
Cassava mosaic virus can be controlled by
A
spraying of fungicides
B
inoculation of the plant
C
spraying with insecticides
D
treatment of stem cuttings
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26
Which of the following crops does not require nursery preparation?
A
rice
B
tobacco
C
tomato
D
okra
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27
To which of the following crops does the term ginning apply?
A
oil palm
B
cocoa
C
groundnut
D
cotton
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28
The symptoms of coffee leaf rust are
A
leaf spots, loss of vigour and death of the leaves
B
wilting and death of plant
C
damping off and etiolation
D
leaf spots and damping off
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29
Breeding in self-pollination crops can be regarded as
A
line breeding
B
cross-breeding
C
inbreeding
D
hybridization
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30
An effective control method of the citrus moth is
A
hand-picking of the moth
B
spraying with fungicide
C
use of predators
D
delayed planting
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