2006 - WAEC Agriculture Past Questions and Answers - page 4
31
Which of the following will not be a reason for afforestation?
A
population pressure
B
soil fertility conservation
C
wildlife conservation
D
prevention of natural hazard
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32
Mosaic disease affects
A
cotton and cocoa
B
groundnut and tomato
C
cassava and tobacco
D
mango and orange
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33
Which of the following is a symptom of black-pod disease of cacao?
A
diseases leaves fall prematurely
B
characteristic swellings appear on young stems and roots
C
small brown spot first appears on the pod
D
veins of diseased leaves become red in colour
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34
Which of the following insect groups readily attacks dry grains?
A
boring insects
B
biting insects
C
sucking insects
D
piercing insects
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35
Rosette disease of groundnut is transmitted by
A
an eelworm
B
a grasshopper
C
a whitefly
D
an aphid
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36
The control of spear grass on the farm is difficult because
A
it produces a large quantity of seeds
B
it is easily propagated by suckers
C
it has a very persistent rhizome
D
seeds presist in the soil for a long time
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37
The use of fungal pathogens to control dodder weed is a
A
physical method
B
mechanical method
C
biological method
D
cultural method
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38
Hybrid vigour in crop improvement is brought about through
A
intorduction
B
mass selection
C
inbreeding
D
cross breeding
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39
Which of the following structures is not a part of the digestive tract of pigs?
A
oesophagus
B
proventriculus
C
duodenum
D
colon
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40
The urethra in the male animal is described as a urinogenital duct because it
A
opens to the outside through the penis
B
is attached to the accessory sex glands
C
is a common pathway for urine and sperms
D
is the site for the storage of sperms
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