2009 - WAEC Agriculture Past Questions and Answers - page 4
31
Which of the following crops is bet harvested using a combine harvester?
A
maize
B
groundnut
C
cassava
D
cotton
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32
Which of the following crops produces latex?
A
mango
B
citrus
C
rubber
D
sisal
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33
What will be the following effect of establishing a grass with centrosema spp. in a pasture? The
A
grass will be suppressed
B
total yield of herbage will decrease
C
pests of centrosema will destroy the grass
D
forage yield will be high
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34
Which of the following is not an economic importance of forests? They serve as source of
A
medical plants
B
game animals
C
edible wild fruits
D
domestic animals
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35
The twisting, wrinkling and mottling of leaves are symptoms of
A
nematode attack
B
viral diseases
C
water deprivation
D
fungal attack
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36
An example of biological control of pests is
A
using lady bird beetles to feed on cytoplasm
B
early planting of maize
C
harvesting maize when properly dried
D
soaking bean seeds in bordeaux mixture
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37
Edible seeds with sticky covering and hooks are most likely to be dispersed by
A
wind
B
water
C
animal
D
explosion
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38
Hereditary characteristics are passed from parents to offspring through the
A
cytoplasm
B
placenta
C
gene
D
umbilical cord
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39
Embryonic membranes do not include
A
uterus
B
chorion
C
allantois
D
amnion
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40
The digestion of plant fibre is non-ruminant herbivores takes place in the
A
mouth and retum
B
caecum and colon
C
oesophagus and duodenum
D
stomach and rectum
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