Agricultural Science 2012 WAEC Past Questions

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Which of the following terms is not associated with surface irrigation?

A. tile
B. basin
C. dyke
D. furrow

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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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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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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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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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Agricultural Science 2012 WAEC Past Questions

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