2012 - WAEC Agriculture Past Questions and Answers - page 2
11
Which of the following terms is not associated with surface irrigation?
A
tile
B
basin
C
dyke
D
furrow
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12
Loss of nitrogen from the soil through the removal of oxygen from nitrates by bacteria is known as
A
ammonification
B
dehydration
C
dentrification
D
nitrification
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13
Which of the following statement are advantages of mulching? It I. controls weeds II. conserves soil moisture III. increases soil temperature IV. reduces soil pH
A
I and II only
B
I and III only
C
II and IV only
D
III and IV only
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14
Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.
A
5.0 kg
B
7.0 kg
C
10.0 kg
D
20.0 kg
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15
The farm power which is most adaptable to farm operation in West Africa is
A
animal power
B
wind power
C
human power
D
solar power
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16
If grains are not properly dried before storage, they are likely to
A
lose viability at a fast rate
B
remain domant for a long time
C
synthesize carbohydrate during storage
D
germinate faster when planted in the field
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17
Which of the following combinations of activities gives the correct sequence of nursing seeds? I. watering of sown seeds II. making drills with a dibber III. covering seeds with palm fronds IV. sowing seeds in drills
A
II,IV,III and I
B
III,II,I and IV
C
III,IV,II and I
D
II,III,IV and I
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18
If the recommended spacing for a tree crop is 2.5m by 4.0m. How many seedlings are required to plant 2 hectares of farmland?
A
8,000 seedlings
B
3,000 seedlings
C
2,000 seedlings
D
1,000 seedlings
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19
Which of the following processes are associated with rubber production? I. coagulation II. fermentation III. tapping
A
I and II only
B
I and III only
C
II and III only
D
I,II and III
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20
The following crops require staking except
A
tomato
B
yam
C
pumpkin
D
guinea corn
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