1998 - WAEC Agriculture Past Questions and Answers - page 3
21
Which of the following crops is propagated by suckers?
A
pineapple
B
citrus
C
tobacco
D
mango
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22
Which of the following is obtained from rubber tree?
A
fibre
B
latex
C
sisal
D
silk
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23
If cassava is planted at a spacing of 1m x 1m, what will be the plant population on 1 hectare of land?
A
10,000
B
5,000
C
1,000
D
500
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24
What is the main difference between forage and fodder crops? Forage crops are
A
fresh while fodder crops are dry
B
grasses and legumes while fodder crops are legumes only
C
preserved forms of grasses and legumes
D
more nutritious than fodder crops
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25
Which of the following pasture grasses can be propagated mainly by roots and seeds?
A
spear grass
B
gaint star grass
C
bahama grass
D
gamba grass
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26
A stoloniferous grass which spreads rapidly and forms a good ground cover is
A
andropogon gayanus
B
andropogon tectorum
C
cynodon plectostachyus
D
panicum maximum
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27
The act of clearing forests is termed
A
regeneration
B
afforestation
C
deforestation
D
silviculture
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28
A major raw material of the paper industry is
A
pulp
B
gum
C
latex
D
bark
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29
The system of growing arable crops at the early stage of forest establishment is referred to as
A
selective exploitation
B
regeneration
C
afforestation
D
taungya system
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30
The physiological changes that show up during disease attack on crop plants are referred to as
A
signs
B
symptoms
C
necrosis
D
deformations
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